GeekRadar / The comparison desk
COMPARE.
CPU
Intel

Intel Xeon CPU E5-2666 v3

Processor Released

CPU cores
10
CPU threads
20*
Maximum boost clock
3.5 GHz*
Thermal design power
135 W

Rendering performance

Median score · higher is better

Three-scene Blender rendering throughput. Versions, operating systems and rendering backends remain separate. This is not a gaming score.

Blender 4.5.0 / Linux / CPU
Intel Xeon CPU E5-2666 v3 158.26 samples/min 3 complete runs · Middle 50%: 157.28 - 160.59 · 10 core / 20 thread · Latest: 2026-03-09

Community submissions; cooling, power limits and system configuration can affect results.

Recorded results

Only the same benchmark, version, workload, scenario and unit share a row. Missing results are not zero. System results include the full submitted hardware and software configuration.

Blender Cycles / classroomCPU / Linux · 4.5.0 · samples/min

Intel Xeon CPU E5-2666 v3

35.57 samples/min

3 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Linux
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / Complete suiteCPU / Linux · 4.5.0 · samples/min

Intel Xeon CPU E5-2666 v3

158.26 samples/min

3 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Linux
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
25th percentile
157.27994493456
75th percentile
160.5917619683
Blender Cycles / junkshopCPU / Linux · 4.5.0 · samples/min

Intel Xeon CPU E5-2666 v3

50.20 samples/min

3 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Linux
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / monsterCPU / Linux · 4.5.0 · samples/min

Intel Xeon CPU E5-2666 v3

72.49 samples/min

3 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Linux
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / classroomCPU / Windows · 4.3.0 · samples/min

Intel Xeon CPU E5-2666 v3

30.30 samples/min

7 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / Complete suiteCPU / Windows · 4.3.0 · samples/min

Intel Xeon CPU E5-2666 v3

138.02 samples/min

7 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
25th percentile
133.78438614841
75th percentile
142.53827785542
Blender Cycles / junkshopCPU / Windows · 4.3.0 · samples/min

Intel Xeon CPU E5-2666 v3

46.10 samples/min

7 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / monsterCPU / Windows · 4.3.0 · samples/min

Intel Xeon CPU E5-2666 v3

61.63 samples/min

7 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / classroomCPU / Windows · 4.2.0 · samples/min

Intel Xeon CPU E5-2666 v3

29.78 samples/min

9 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / Complete suiteCPU / Windows · 4.2.0 · samples/min

Intel Xeon CPU E5-2666 v3

137.44 samples/min

9 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
25th percentile
135.52915828689
75th percentile
139.13063583132
Blender Cycles / junkshopCPU / Windows · 4.2.0 · samples/min

Intel Xeon CPU E5-2666 v3

46.36 samples/min

9 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / monsterCPU / Windows · 4.2.0 · samples/min

Intel Xeon CPU E5-2666 v3

61.18 samples/min

9 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / classroomCPU / Windows · 4.1.0 · samples/min

Intel Xeon CPU E5-2666 v3

31.22 samples/min

6 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / classroomCPU / Linux · 4.1.0 · samples/min

Intel Xeon CPU E5-2666 v3

42.89 samples/min

4 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Linux
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / Complete suiteCPU / Windows · 4.1.0 · samples/min

Intel Xeon CPU E5-2666 v3

137.38 samples/min

6 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
25th percentile
136.39909315185
75th percentile
149.86957367308
Blender Cycles / Complete suiteCPU / Linux · 4.1.0 · samples/min

Intel Xeon CPU E5-2666 v3

193.82 samples/min

4 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Linux
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
25th percentile
184.11499314817
75th percentile
196.02220175221
Blender Cycles / junkshopCPU / Windows · 4.1.0 · samples/min

Intel Xeon CPU E5-2666 v3

44.11 samples/min

6 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / junkshopCPU / Linux · 4.1.0 · samples/min

Intel Xeon CPU E5-2666 v3

60.77 samples/min

4 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Linux
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / monsterCPU / Windows · 4.1.0 · samples/min

Intel Xeon CPU E5-2666 v3

62.25 samples/min

6 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / monsterCPU / Linux · 4.1.0 · samples/min

Intel Xeon CPU E5-2666 v3

89.73 samples/min

4 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Linux
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / classroomCPU / Linux · 4.0.0 · samples/min

Intel Xeon CPU E5-2666 v3

42.25 samples/min

4 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Linux
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / classroomCPU / Windows · 4.0.0 · samples/min

Intel Xeon CPU E5-2666 v3

33.23 samples/min

4 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / Complete suiteCPU / Linux · 4.0.0 · samples/min

Intel Xeon CPU E5-2666 v3

188.09 samples/min

4 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Linux
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
25th percentile
179.67400740741
75th percentile
191.32357118755
Blender Cycles / Complete suiteCPU / Windows · 4.0.0 · samples/min

Intel Xeon CPU E5-2666 v3

146.77 samples/min

4 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
25th percentile
139.87822203012
75th percentile
154.02685822914
Blender Cycles / junkshopCPU / Linux · 4.0.0 · samples/min

Intel Xeon CPU E5-2666 v3

58.50 samples/min

4 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Linux
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / junkshopCPU / Windows · 4.0.0 · samples/min

Intel Xeon CPU E5-2666 v3

47.23 samples/min

4 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / monsterCPU / Linux · 4.0.0 · samples/min

Intel Xeon CPU E5-2666 v3

87.31 samples/min

4 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Linux
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / monsterCPU / Windows · 4.0.0 · samples/min

Intel Xeon CPU E5-2666 v3

66.31 samples/min

4 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / classroomCPU / Windows · 3.6.0 · samples/min

Intel Xeon CPU E5-2666 v3

31.84 samples/min

5 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / Complete suiteCPU / Windows · 3.6.0 · samples/min

Intel Xeon CPU E5-2666 v3

143.17 samples/min

5 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
25th percentile
142.98565559857
75th percentile
158.21535886003
Blender Cycles / junkshopCPU / Windows · 3.6.0 · samples/min

Intel Xeon CPU E5-2666 v3

44.01 samples/min

5 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / monsterCPU / Windows · 3.6.0 · samples/min

Intel Xeon CPU E5-2666 v3

67.93 samples/min

5 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / classroomCPU / Linux · 3.5.0 · samples/min

Intel Xeon CPU E5-2666 v3

43.54 samples/min

30 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Linux
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / classroomCPU / Windows · 3.5.0 · samples/min

Intel Xeon CPU E5-2666 v3

36.10 samples/min

6 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / Complete suiteCPU / Linux · 3.5.0 · samples/min

Intel Xeon CPU E5-2666 v3

200.22 samples/min

30 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Linux
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
25th percentile
193.2555981342
75th percentile
202.51316986606
Blender Cycles / Complete suiteCPU / Windows · 3.5.0 · samples/min

Intel Xeon CPU E5-2666 v3

161.77 samples/min

6 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
25th percentile
148.83624887033
75th percentile
163.03414711522
Blender Cycles / junkshopCPU / Linux · 3.5.0 · samples/min

Intel Xeon CPU E5-2666 v3

59.49 samples/min

30 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Linux
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / junkshopCPU / Windows · 3.5.0 · samples/min

Intel Xeon CPU E5-2666 v3

49.73 samples/min

6 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / monsterCPU / Linux · 3.5.0 · samples/min

Intel Xeon CPU E5-2666 v3

96.75 samples/min

30 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Linux
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / monsterCPU / Windows · 3.5.0 · samples/min

Intel Xeon CPU E5-2666 v3

75.90 samples/min

6 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / classroomCPU / Windows · 3.4.0 · samples/min

Intel Xeon CPU E5-2666 v3

32.24 samples/min

8 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / Complete suiteCPU / Windows · 3.4.0 · samples/min

Intel Xeon CPU E5-2666 v3

143.73 samples/min

8 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
25th percentile
142.26571589075
75th percentile
147.15011235497
Blender Cycles / junkshopCPU / Windows · 3.4.0 · samples/min

Intel Xeon CPU E5-2666 v3

43.47 samples/min

8 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / monsterCPU / Windows · 3.4.0 · samples/min

Intel Xeon CPU E5-2666 v3

68.58 samples/min

8 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / classroomCPU / Windows · 3.3.0 · samples/min

Intel Xeon CPU E5-2666 v3

33.55 samples/min

9 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / Complete suiteCPU / Windows · 3.3.0 · samples/min

Intel Xeon CPU E5-2666 v3

149.48 samples/min

9 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
25th percentile
145.13240608958
75th percentile
154.62267346962
Blender Cycles / junkshopCPU / Windows · 3.3.0 · samples/min

Intel Xeon CPU E5-2666 v3

43.51 samples/min

9 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / monsterCPU / Windows · 3.3.0 · samples/min

Intel Xeon CPU E5-2666 v3

72.71 samples/min

9 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / classroomCPU / Windows · 3.2.1 · samples/min

Intel Xeon CPU E5-2666 v3

31.37 samples/min

3 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / Complete suiteCPU / Windows · 3.2.1 · samples/min

Intel Xeon CPU E5-2666 v3

139.79 samples/min

3 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
25th percentile
138.04634871853
75th percentile
143.71535795341
Blender Cycles / junkshopCPU / Windows · 3.2.1 · samples/min

Intel Xeon CPU E5-2666 v3

40.92 samples/min

3 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / monsterCPU / Windows · 3.2.1 · samples/min

Intel Xeon CPU E5-2666 v3

67.50 samples/min

3 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / classroomCPU / Windows · 3.1.0 · samples/min

Intel Xeon CPU E5-2666 v3

33.24 samples/min

6 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / Complete suiteCPU / Windows · 3.1.0 · samples/min

Intel Xeon CPU E5-2666 v3

147.81 samples/min

6 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
25th percentile
146.50405356388
75th percentile
155.26621211993
Blender Cycles / junkshopCPU / Windows · 3.1.0 · samples/min

Intel Xeon CPU E5-2666 v3

43.05 samples/min

6 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1
Blender Cycles / monsterCPU / Windows · 3.1.0 · samples/min

Intel Xeon CPU E5-2666 v3

71.52 samples/min

6 submissions · median result

Latest submission:
Rendering backend
CPU
Operating system
Windows
Statistic
Median
Evaluation type
community rendering submissions
CPU cores
10
CPU threads
20
CPU sockets
1

Processing & platform

CPU cores
10
CPU threads
20*
Base clock
2.9 GHz
CPU reference clock
100 MHz*
Maximum boost clock
3.5 GHz*
L3 cache
25 MB
Socket / package
LGA 2011-3

Cache hierarchy

  • L3 / total
    Level
    L3
    Scope
    total
    Size
    25 MB

Compatible sockets

  • LGA 2011-3

Memory & storage

Rated memory bandwidth
68.30 GB/s*

Supported memory

  • DDR3-1866
    Technology
    DDR3
    Transfer rate
    1,866 MT/s
  • DDR4-2133
    Technology
    DDR4
    Transfer rate
    2,133 MT/s

Power specifications

Thermal design power
135 W

System configuration

Detailed specifications

Specifications 1 · 9 fields
Release
Nov 13th, 2014*
Name
Xeon E5-2666 V3*
Codename
Haswell-EP*
Cores
10 / 20*
Clock
2.9 to 3.5 GHz*
Socket
Socket 2011-3*
Process
22* nm
L3 Cache
25MB*
TDP
135* W
Specifications 2 · 24 fields
name
Intel Xeon E5-2666 v3 @ 2.90GHz*
name
Intel Xeon E5-2666 v3 @ 2.90GHz*
cores
10*
cores
10*
logicals
2*
logicals
2*
samples
128*
samples
17*
price
0*
price
0*
tdp
135*
tdp
135*
date
2015-01-01*
date
2015-01-01*
socket
LGA2011-v3*
socket
LGA2011-v3*
category
Server*
category
Server*
speed
2,900*
speed
2,900*
turbo
3,500*
turbo
3,500*
cpuCount
2*
cpuCount
1*
Specifications 3 · 35 fields
name
Xeon E5-2666 v3*
Release Date
Nov 13th, 2014*
Part#
SR1Y7*
Frequency
2.9* GHz
Turbo Clock
up to 3.5 GHz*
Base Clock
100* MHz
Multiplier
29.0x*
QPI Links
2x 9600MT/s*
Multiplier Unlocked
No*
Codename
Haswell-EP*
Socket
Intel Socket 2011-3*
Generation
Xeon E5 (Haswell-EP)*
Memory Support
DDR3, DDR4*
ECC Memory
Yes*
# of Cores
10*
# of Threads
20*
SMP # CPUs
2*
Cache L1
64 KB (per core)*
Cache L2
256 KB (per core)*
Features
MMX, SSE, SSE2, SSE3, SSSE3, SSE4.2, AVX, AVX2, EIST, HTT, Intel 64, XD bit, VT-x, VT-d, AES-NI, TSX, TXT, CLMUL, FMA3, F16C, BMI1, BMI2, Boost 2.0, vPro*
Foundry
Intel*
Rated Speed
2,133* MT/s
Memory Bus
Quad-channel*
Memory Bandwidth
68.3* GB/s
tJMax
79°C*
PCI-Express
Gen 3, 40 Lanes (CPU only)*
Process Size
22* nm
Cache L3
25 MB (shared)*
Chipsets
C612, X99*
Transistors
2,600 million*
Die Size
356* mm²
Package
FC-LGA12A*
Market
Server/Workstation*
All Core Turbo
3.2* GHz
Production Status
End-of-life*
Specifications 4 · 4 fields
brand
Intel*
brand
Intel*
name
Intel Xeon E5-2666 v3 @ 2.90GHz*
name
Intel Xeon E5-2666 v3 @ 2.90GHz*

* Provisional data