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CPU

Intel

Intel Xeon E5-2640

Processor Released Mar 6, 2012

CPU cores: 6
CPU threads: 12
Maximum boost clock: 3 GHz
Thermal design power: 95 W

Benchmark results

PassMark · version unreported · cpuMark6,321^*Platform unreported Compare results
PassMark · version unreported · threadMark1,348^*Platform unreported Compare results
Reported score · version unreported · mark9,485^*Platform unreported Compare results

Processing & platform

CPU cores: 6
CPU threads: 12
Base clock: 2.5 GHz
CPU reference clock: 100 MHz^*
Maximum supported memory bandwidth: 42.60 GB/s^*
Maximum boost clock: 3 GHz
L3 cache: 15 MB
Architecture: Sandy Bridge^*
Socket / package: LGA 2011
Process node: 32 nm
Hardware threads per core: 2^*

Cache hierarchy

L3 / total
Level
L3
Scope
total
Size
15 MB
Reported cache^*
Size
15 MB^*
Level
Reported cache (level unstated)^*
Scope
Intel® Smart Cache^*

Compatible sockets

LGA 2011

Memory & storage

Memory channels: 4
Video memory type: DDR3 800/1066/1333^*

Supported memory

DDR3-1333
Technology
DDR3
Transfer rate
1,333 MT/s
DDR3 800/1066/1333^*

CPU memory support

DDR3-800
Variant / details
Manufacturer CPU memory-controller support; system and module configuration may limit operation.
Technology
DDR3
Transfer rate
800 MT/s
DDR3-1066
Variant / details
Manufacturer CPU memory-controller support; system and module configuration may limit operation.
Technology
DDR3
Transfer rate
1,066 MT/s
DDR3-1333
Variant / details
Manufacturer CPU memory-controller support; system and module configuration may limit operation.
Technology
DDR3
Transfer rate
1,333 MT/s

Power specifications

Thermal design power: 95 W

System configuration

Detailed specifications

Specifications 1 · 11 fields

Maximum turbo frequency

3^* GHz

Scope and conditions

native_context

Clock scope: Maximum turbo declaration; not measured or sustained all-core frequency^*

Codename

Sandy Bridge-EP^*

Processor model

E5-2640 0^*

Full processor designation

Intel(R) Xeon(R) CPU E5-2640 @ 2.50^*

Processor family

Intel Xeon E5/E3^*

Launch year

precision: year^*
text: 2012^*

Declared memory capacity

0.384^* TB

Scope and conditions

native_context

Capacity unit base: Not independently established^*

CPU cores

6^*

L3 cache

15^* MB

Scope and conditions

native_context

Capacity unit base: Not independently established^*

Thermal design power declaration

95^* W

CPU threads

12^*

Specifications 2 · 31 fields

Product Collection: Intel® Xeon® Processor E5 Family^*
Processor Base Frequency: 2.5^* GHz
Max Turbo Frequency: 3^* GHz
Cache: 15 MB SmartCache^*
Bus Speed: 7.2 GT/s QPI^*
TDP: 95^* W
Embedded Options Available: No^*
Max Memory Size: 384^* GB
Memory Types: DDR3 800/1066/1333^*
Max nb of Memory Channels: 4^*
Vertical Segment: Server^*
Max Memory Bandwidth: 42.6^* GB/s
ECC Memory Supported: Yes^*
Processor Number: E5-2640^*
PCI Express Revision: 3^*
Max nb of PCI Express Lanes: 40^*
T: 73^* °C
Intel Hyper Threading Technology: Yes^*
Intel Virtualization Technology VTx: Yes^*
Intel 64: Yes^*
Status: End of Life^*
Instruction Set: 64-bit^*
Instruction Set Extensions: AVX^*
Idle States: Yes^*
Thermal Monitoring Technologies: Yes^*
Execute Disable Bit: Yes^*
Launch Date: Q1'12^*
Lithography: 32^* nm
Recommended Customer Price: $885.00 - $889.00^*
nb of Cores: 6^*
nb of Threads: 12^*

Specifications 3 · 9 fields

Release: Mar 6th, 2012^*
Name: Xeon E5-2640^*
Codename: Sandy Bridge-EP^*
Cores: 6 / 12^*
Clock: 2.5 to 3 GHz^*
Socket: Socket 2011^*
Process: 32^* nm
L3 Cache: 15MB^*
TDP: 95^* W

Specifications 4 · 11 fields

model: E5-2640^*
date: 2012-01-01^*
clock: 2,500^*
max clock: 3,000^*
hw nthreadspercore: 2^*
hw ncores: 6^*
tdp: 95^*
vdd low: 0.6^*
vdd high: 1.35^*
name Processor code name: Sandy Bridge EP^*
name Processor family: Xeon^*

Specifications 5 · 24 fields

name: Intel Xeon E5-2640 @ 2.50GHz^*
name: Intel Xeon E5-2640 @ 2.50GHz^*
cores: 6^*
cores: 6^*
logicals: 2^*
logicals: 2^*
samples: 42^*
samples: 216^*
price: 67.56^*
price: 135.12^*
tdp: 95^*
tdp: 95^*
date: 2012-04-01^*
date: 2012-04-01^*
socket: LGA2011^*
socket: LGA2011^*
category: Server^*
category: Server^*
speed: 2,500^*
speed: 2,500^*
turbo: 3,000^*
turbo: 3,000^*
cpuCount: 1^*
cpuCount: 2^*

Specifications 6 · 29 fields

name: Xeon E5-2640^*
Release Date: Mar 6th, 2012^*
Part#: SR0H5 SR0KR^*
Frequency: 2.5^* GHz
Turbo Clock: up to 3 GHz^*
Base Clock: 100^* MHz
Multiplier: 25.0x^*
Multiplier Unlocked: No^*
Voltage: 1.35^* V
Codename: Sandy Bridge-EP^*
Socket: Intel Socket 2011^*
Generation: Xeon E5 (Sandy Bridge-EP)^*
Memory Support: DDR3^*
ECC Memory: Yes^*
# of Cores: 6^*
# of Threads: 12^*
SMP # CPUs: 2^*
Cache L1: 64 KB (per core)^*
Cache L2: 256 KB (per core)^*
Features: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.2, AVX, EIST, Intel 64, XD bit, TXT, VT-x, VT-d, HTT, AES-NI, 7.2GT/s QPI^*
Foundry: Intel^*
Memory Bus: Quad-channel^*
PCI-Express: Gen 3^*
Process Size: 32^* nm
Cache L3: 15 MB (shared)^*
Transistors: 2,270 million^*
Die Size: 435^* mm²
Package: FC-LGA10^*
Market: Server/Workstation^*

Specifications 7 · 4 fields

brand: Intel^*
brand: Intel^*
name: Intel Xeon E5-2640 @ 2.50GHz^*
name: Intel Xeon E5-2640 @ 2.50GHz^*

Specifications 8 · 18 fields

turbo frequency: 3,000^*
cache size: 15,360^*
tdp: 95^*
socket: FCLGA2011^*
memory type: DDR3 800/1066/1333^*
cores: 6^*
vertical segment: Server^*
max memory size: 402,653,184^*
status: Discontinued^*
max temp: 73^*
package size: 52.5mm x 45.0mm^*
threads: 12^*
name: Intel Xeon E5-2640^*
processor number: E5-2640^*
launch date: 2012-02-01^*
lithography: 32^*
bus speed: 7.2^*
base frequency: 2,500^*

Specifications 9 · 49 fields

Recommended Customer Price

$885.00-$889.00^*

Scope and conditions

source_native_row_context

Price scope: Historical source recommendation; not a current retail offer. The original currency notation is retained.^*

Intel® AES New Instructions

Yes^*

Intel® Trusted Execution Technology ‡

Yes^*

Execute Disable Bit ‡

Yes^*

Intel® Virtualization Technology (VT-x) ‡

Yes^*

Intel® Virtualization Technology for Directed I/O (VT-d) ‡

Yes^*

Intel® VT-x with Extended Page Tables (EPT) ‡

Yes^*

Intel vPro® Eligibility ‡

Intel vPro® Platform^*

Total Cores

6^*

Total Threads

12^*

Processor Base Frequency

2.5^* GHz

Cache

15.0^* MB

Scope and conditions

source_native_row_context

Cache description: Intel® Smart Cache^*
Original declaration: 15 MB Intel® Smart Cache^*

Bus Speed

7.2^* GT/s

TDP

95^* W

Max Turbo Frequency

3.0^* GHz

# of QPI Links

2^*

Marketing Status

Discontinued^*

Launch Date

Q1'12^*

Servicing Status

End of Servicing Lifetime^*

Embedded Options Available

No^*

End of Servicing Updates Date

Tuesday | June 30 | 2020^*

Expected Discontinuance

Q2'15^*

Max Memory Size (dependent on memory type)

384^* GB

Memory Types

DDR3 800/1066/1333^*

Max # of Memory Channels

4^*

Max Memory Bandwidth

42.6^* GB/s

ECC Memory Supported ‡

Yes^*

Product Collection

Intel® Xeon® Processor E5 Family^*

Vertical Segment

Server^*

PCI Express Revision

3.0^*

Max # of PCI Express Lanes

40^*

Scalability

2S Only^*

Sockets Supported

FCLGA2011^*

Max CPU Configuration

2^*

Processor Number

E5-2640^*

TCASE

73^* °C

Package Size

52.5mm x 45.0mm^*

Intel® Turbo Boost Technology ‡

1.0^*

Intel® Hyper-Threading Technology ‡

Yes^*

Lithography

32^* nm

Intel® 64 ‡

Yes^*

Instruction Set

64-bit^*

Idle States

Yes^*

Enhanced Intel SpeedStep® Technology

Yes^*

Intel® Demand Based Switching

Yes^*

Thermal Monitoring Technologies

Yes^*

Instruction Set Extensions

Intel® AVX^*

Intel® Flex Memory Access

No^*

Intel® Identity Protection Technology ‡

No^*

Specifications 10 · 11 fields

name: Intel Xeon E5-2640 @ 2.50GHz^*
socket: LGA2011^*
category: Server^*
price: $107.29^*
mark: 9,485^*
value: 88.41^*
single thread: 1,463^*
single thread value: 13.64^*
tdp: 95^*
powerperf: 99^*
testdate: Apr 2012^*

Specifications 11 · 6 fields

microarchitecture

Sandy Bridge^*

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Xeon E5-2640^*
catalogue_reference: Intel Xeon E5-2640^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Historical publisher declaration. Missing or conflicting observations remain unverified; no benchmark or tested performance inferred.^*

boost clock

3^* GHz

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Xeon E5-2640^*
catalogue_reference: Intel Xeon E5-2640^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Historical publisher declaration. Missing or conflicting observations remain unverified; no benchmark or tested performance inferred.^*

Reported core clock

2.5^* GHz

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Xeon E5-2640^*
catalogue_reference: Intel Xeon E5-2640^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Source calls this core clock; it is not relabelled as base, sustained or gaming clock.^*

core count

6^*

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Xeon E5-2640^*
catalogue_reference: Intel Xeon E5-2640^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Historical publisher declaration. Missing or conflicting observations remain unverified; no benchmark or tested performance inferred.^*

name

Intel Xeon E5-2640^*

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Xeon E5-2640^*
catalogue_reference: Intel Xeon E5-2640^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Historical publisher declaration. Missing or conflicting observations remain unverified; no benchmark or tested performance inferred.^*

tdp

95^* W

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Xeon E5-2640^*
catalogue_reference: Intel Xeon E5-2640^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Historical publisher declaration. Missing or conflicting observations remain unverified; no benchmark or tested performance inferred.^*

Specifications 12 · 12 fields

cpuName

Intel Xeon E5-2640 @ 2.50GHz^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*

testDate

2,012^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*

socket

LGA2011^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*

Benchmark results

Processing & platform

Cache hierarchy

Compatible sockets

Memory & storage

Supported memory

CPU memory support

Power specifications

System configuration

Detailed specifications

Devices using this component