Intel Xeon E5645
Processor Released
- CPU cores
- 6
- CPU threads
- 12
- Maximum boost clock
- 2.67 GHz
- Thermal design power
- 80 W
Graphics & compute benchmarks
GFXBench, GLBenchmark and CompuBench results retain the tested system, API, operating system and resolution. Offscreen tests fix the render resolution; onscreen results also reflect the display workload. These historical submissions do not establish performance in current games.
Bitcoin MiningOS X / OpenCL / compute · mHash/s
Higher is better.
Intel Xeon E5645
11.09* mHash/s
Intel(R) Xeon(R) CPU E5645
Host configuration not reported.
11.11* mHash/s
Apple Mac Pro (Mid 2012)
Intel(R) Xeon(R) CPU E5645
Bitcoin MiningWindows / OpenCL / compute · mHash/s
Higher is better.
Intel Xeon E5645
28.29* mHash/s
Intel(R) Xeon(R) CPU E5645
Host configuration not reported.
Face DetectionOS X / OpenCL / compute · mPixels/s
Higher is better.
Intel Xeon E5645
2.31* mPixels/s
Intel(R) Xeon(R) CPU E5645
Host configuration not reported.
2.36* mPixels/s
Apple Mac Pro (Mid 2012)
Intel(R) Xeon(R) CPU E5645
Face DetectionWindows / OpenCL / compute · mPixels/s
Higher is better.
Intel Xeon E5645
22.49* mPixels/s
Intel(R) Xeon(R) CPU E5645
Host configuration not reported.
Ocean Surface SimulationOS X / OpenCL / compute · fps
Higher is better.
Intel Xeon E5645
49.22* fps
Intel(R) Xeon(R) CPU E5645
Host configuration not reported.
48.89* fps
Apple Mac Pro (Mid 2012)
Intel(R) Xeon(R) CPU E5645
Ocean Surface SimulationWindows / OpenCL / compute · fps
Higher is better.
Intel Xeon E5645
118.32* fps
Intel(R) Xeon(R) CPU E5645
Host configuration not reported.
Particle Simulation - 64kOS X / OpenCL / compute · mInteraction/s
Higher is better.
Intel Xeon E5645
68.52* mInteraction/s
Intel(R) Xeon(R) CPU E5645
Host configuration not reported.
68.09* mInteraction/s
Apple Mac Pro (Mid 2012)
Intel(R) Xeon(R) CPU E5645
Particle Simulation - 64kWindows / OpenCL / compute · mInteraction/s
Higher is better.
Intel Xeon E5645
56.18* mInteraction/s
Intel(R) Xeon(R) CPU E5645
Host configuration not reported.
T-RexOS X / OpenCL / compute · fps
Higher is better.
Intel Xeon E5645
0.62* fps
Intel(R) Xeon(R) CPU E5645
Host configuration not reported.
0.64* fps
Apple Mac Pro (Mid 2012)
Intel(R) Xeon(R) CPU E5645
T-RexWindows / OpenCL / compute · fps
Higher is better.
Intel Xeon E5645
1.12* fps
Intel(R) Xeon(R) CPU E5645
Host configuration not reported.
TV-L1 Optical FlowOS X / OpenCL / compute · mPixels/s
Higher is better.
Intel Xeon E5645
1.20* mPixels/s
Intel(R) Xeon(R) CPU E5645
Host configuration not reported.
1.25* mPixels/s
Apple Mac Pro (Mid 2012)
Intel(R) Xeon(R) CPU E5645
TV-L1 Optical FlowWindows / OpenCL / compute · mPixels/s
Higher is better.
Intel Xeon E5645
1.54* mPixels/s
Intel(R) Xeon(R) CPU E5645
Host configuration not reported.
Video CompositionOS X / OpenCL / compute · fps
Higher is better.
Intel Xeon E5645
3.66* fps
Intel(R) Xeon(R) CPU E5645
Host configuration not reported.
3.64* fps
Apple Mac Pro (Mid 2012)
Intel(R) Xeon(R) CPU E5645
Video CompositionWindows / OpenCL / compute · fps
Higher is better.
Intel Xeon E5645
4.91* fps
Intel(R) Xeon(R) CPU E5645
Host configuration not reported.
Median results, not the best run. Sample counts and individual test dates are unreported. Different systems using the same GPU remain separate configurations.
Benchmark results
- PassMark · version unreported · cpuMark4,955*Platform unreported Compare results
- PassMark · version unreported · threadMark1,147*Platform unreported Compare results
- PassMark CPU Mark · version unreported · CPU Mark4,915* pointsPlatform unreported Compare results
- Reported score · version unreported · mark6,477*Platform unreported Compare results
Processing & platform
- CPU cores
- 6
- CPU threads
- 12
- Base clock
- 2.4 GHz
- CPU reference clock
- 133 MHz*
- Maximum supported memory bandwidth
- 32 GB/s*
- Reported CPU clock
- 2.4 GHz*
- Maximum boost clock
- 2.67 GHz
- L3 cache
- 12 MB
- Socket / package
- LGA 1366
- Process node
- 32 nm
- Reported chip die area
- 239 mm²*
- Chip/package TDP
- 80 W*
- Transistors
- 1,170 million*
Cache hierarchy
- L3 / total
- Level
- L3
- Scope
- total
- Size
- 12 MB
- Reported cache*
- Size
- 12 MB*
- Level
- Reported cache (level unstated)*
- Scope
- Intel® Smart Cache*
Compatible sockets
- LGA 1366
Memory & storage
- Memory channels
- 3
- 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
- 80 W
System configuration
Detailed specifications
Specifications 1 · 11 fields
- Maximum turbo frequency
- 2.67* GHz
Scope and conditions
- native_context
- Clock scope
- Maximum turbo declaration; not measured or sustained all-core frequency*
- Codename
- Westmere-EP*
- Processor model
- E5645*
- Full processor designation
- Intel(R) Xeon(R) CPU E5645 @ 2.40*
- Processor family
- Intel Xeon E5/E3*
- Launch year
- precision
- year*
- text
- 2010*
- Declared memory capacity
- 0.288* TB
Scope and conditions
- native_context
- Capacity unit base
- Not independently established*
- CPU cores
- 6*
- L3 cache
- 12* MB
Scope and conditions
- native_context
- Capacity unit base
- Not independently established*
- Thermal design power declaration
- 80* W
- CPU threads
- 12*
Specifications 2 · 30 fields
- Product Collection
- Legacy Intel® Xeon® Processors*
- Processor Base Frequency
- 2.4* GHz
- Max Turbo Frequency
- 2.67* GHz
- Cache
- 12 MB SmartCache*
- Bus Speed
- 5.86 GT/s QPI*
- TDP
- 80* W
- Embedded Options Available
- Yes*
- Conflict Free
- Yes*
- Max Memory Size
- 288* GB
- Memory Types
- DDR3 800/1066/1333*
- Max nb of Memory Channels
- 3*
- Vertical Segment
- Server*
- Max Memory Bandwidth
- 32* GB/s
- ECC Memory Supported
- Yes*
- Processor Number
- E5645*
- T
- 76.2°C*
- Intel Hyper Threading Technology
- Yes*
- Intel Virtualization Technology VTx
- Yes*
- Intel 64
- Yes*
- Status
- Launched*
- Instruction Set
- 64-bit*
- Instruction Set Extensions
- SSE4.2*
- Idle States
- Yes*
- Thermal Monitoring Technologies
- No*
- Execute Disable Bit
- Yes*
- Launch Date
- Q1'10*
- Lithography
- 32* nm
- Recommended Customer Price
- $525.00 - $554.00*
- nb of Cores
- 6*
- nb of Threads
- 12*
Specifications 3 · 9 fields
- Release
- Mar 16th, 2010*
- Name
- Xeon E5645*
- Codename
- Westmere-EP*
- Cores
- 6 / 12*
- Clock
- 2.4 to 2.666 GHz*
- Socket
- Socket 1366*
- Process
- 32* nm
- L3 Cache
- 12MB*
- TDP
- 80* W
Specifications 4 · 24 fields
- name
- Intel Xeon E5645 @ 2.40GHz*
- name
- Intel Xeon E5645 @ 2.40GHz*
- cores
- 6*
- cores
- 6*
- logicals
- 2*
- logicals
- 2*
- samples
- 56*
- samples
- 84*
- price
- 104*
- price
- 52*
- tdp
- 80*
- tdp
- 80*
- date
- 2011-04-01*
- date
- 2011-04-01*
- socket
- LGA1366*
- socket
- LGA1366*
- category
- Server*
- category
- Server*
- speed
- 2,400*
- speed
- 2,400*
- turbo
- 2,670*
- turbo
- 2,670*
- cpuCount
- 1*
- cpuCount
- 2*
Specifications 5 · 30 fields
- name
- Xeon E5645*
- Release Date
- Mar 16th, 2010*
- Part#
- SLBWZ*
- Frequency
- 2.4* GHz
- Turbo Clock
- up to 2.666 GHz*
- Base Clock
- 133* MHz
- Multiplier
- 18.0x*
- Multiplier Unlocked
- No*
- Voltage
- 1.35* V
- Codename
- Westmere-EP*
- Socket
- Intel Socket 1366*
- Generation
- Xeon (Westmere-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, Intel 64, HTT, EIST, XD-Bit, VT-x, TXT, AES-NI, 5.86GT/s QPI*
- Foundry
- Intel*
- Memory Bus
- Triple-channel*
- PCI-Express
- Gen 2*
- Process Size
- 32* nm
- Cache L3
- 12 MB (shared)*
- Transistors
- 1,170 million*
- Die Size
- 239* mm²
- Package
- FC-LGA10*
- Market
- Server/Workstation*
- Production Status
- End-of-life*
Specifications 6 · 4 fields
- brand
- Intel*
- brand
- Intel*
- name
- Intel Xeon E5645 @ 2.40GHz*
- name
- Intel Xeon E5645 @ 2.40GHz*
Specifications 7 · 10 fields
- Foundry
- Intel*
- Vendor
- Intel*
- Product
- Intel Xeon E5645*
- Type
- CPU*
- Release Date
- 2010-03-16*
- Process Size (nm)
- 32* nm
- TDP (W)
- 80* W
- Die Size (mm^2)
- 239* mm²
- Transistors (million)
- 1,170*
- Freq (MHz)
- 2,400* MHz
Specifications 8 · 20 fields
- turbo frequency
- 2,670*
- cache size
- 12,288*
- tdp
- 80*
- socket
- FCLGA1366*
- memory type
- DDR3 800/1066/1333*
- cores
- 6*
- manufacturer Processor benchmark result
- intel*
- vertical segment
- Server*
- max memory size
- 301,989,888*
- status
- Discontinued*
- max temp
- 76.2*
- package size
- 42.5mm X 45mm*
- threads
- 12*
- name
- Intel Xeon E5645*
- rating Processor benchmark result
- 4,915*
- processor number
- E5645*
- launch date
- 2010-02-01*
- lithography
- 32*
- bus speed
- 5.86*
- base frequency
- 2,400*
Specifications 9 · 43 fields
- Recommended Customer Price
- $554.00*
Scope and conditions
- source_native_row_context
- Price scope
- Historical source recommendation; not a current retail offer. The original currency notation is retained.*
- Total Cores
- 6*
- Total Threads
- 12*
- Max Turbo Frequency
- 2.67* GHz
- Processor Base Frequency
- 2.4* GHz
- Cache
- 12.0* MB
Scope and conditions
- source_native_row_context
- Cache description
- Intel® Smart Cache*
- Original declaration
- 12 MB Intel® Smart Cache*
- Bus Speed
- 5.86* GT/s
- TDP
- 80* W
- # of QPI Links
- 2*
- Marketing Status
- Discontinued*
- Launch Date
- Q1'10*
- Servicing Status
- End of Servicing Lifetime*
- Embedded Options Available
- Yes*
- Max Memory Size (dependent on memory type)
- 288* GB
- Memory Types
- DDR3 800/1066/1333*
- Max # of Memory Channels
- 3*
- Max Memory Bandwidth
- 32* GB/s
- Physical Address Extensions
- 40-bit*
- ECC Memory Supported ‡
- Yes*
- Sockets Supported
- FCLGA1366 | LGA1366*
- Max CPU Configuration
- 2*
- Package Size
- 42.5mm X 45mm*
- Product Collection
- Legacy Intel® Xeon® Processors*
- TCASE
- 76.2* °C
- Intel® Turbo Boost Technology ‡
- 1.0*
- Intel® Hyper-Threading Technology ‡
- Yes*
- Intel® 64 ‡
- Yes*
- Instruction Set
- 64-bit*
- Vertical Segment
- Server*
- Instruction Set Extensions
- Intel® SSE4.2*
- Idle States
- Yes*
- Enhanced Intel SpeedStep® Technology
- Yes*
- Intel® Demand Based Switching
- Yes*
- Thermal Monitoring Technologies
- No*
- Processor Number
- E5645*
- Intel® AES New Instructions
- Yes*
- Intel® Trusted Execution Technology ‡
- Yes*
- Execute Disable Bit ‡
- Yes*
- Intel® Virtualization Technology (VT-x) ‡
- Yes*
- Lithography
- 32* nm
- Intel® Virtualization Technology for Directed I/O (VT-d) ‡
- Yes*
- Intel® VT-x with Extended Page Tables (EPT) ‡
- Yes*
- Use Conditions
- Communications*
Specifications 10 · 11 fields
- name
- Intel Xeon E5645 @ 2.40GHz*
- socket
- LGA1366*
- category
- Server*
- price
- $239.95*
- mark
- 6,477*
- value
- 27*
- single thread
- 1,104*
- single thread value
- 4.6*
- tdp
- 80*
- powerperf
- 80*
- testdate
- Apr 2011*
Specifications 11 · 12 fields
- cpuName
- Intel Xeon E5645 @ 2.40GHz*
Scope and conditions
- benchmark_context
- suite
- PassMark*
- test_configuration_verified
- No*
- comparable
- No*
- testDate
- 2,011*
Scope and conditions
- benchmark_context
- suite
- PassMark*
- test_configuration_verified
- No*
- comparable
- No*
- socket
- LGA1366*
Scope and conditions
- benchmark_context
- suite
- PassMark*
- test_configuration_verified
- No*
- comparable
- No*
- category
- Server*
Scope and conditions
- benchmark_context
- suite
- PassMark*
- test_configuration_verified
- No*
- comparable
- No*
- price
- 52*
Scope and conditions
- benchmark_context
- suite
- PassMark*
- test_configuration_verified
- No*
- comparable
- No*
- cpuMark
- 4,955*
Scope and conditions
- benchmark_context
- suite
- PassMark*
- test_configuration_verified
- No*
- comparable
- No*
- cpuValue
- 95.29*
Scope and conditions
- benchmark_context
- suite
- PassMark*
- test_configuration_verified
- No*
- comparable
- No*
- threadMark
- 1,147*
Scope and conditions
- benchmark_context
- suite
- PassMark*
- test_configuration_verified
- No*
- comparable
- No*
- threadValue
- 22.06*
Scope and conditions
- benchmark_context
- suite
- PassMark*
- test_configuration_verified
- No*
- comparable
- No*
- TDP
- 80*
Scope and conditions
- benchmark_context
- suite
- PassMark*
- test_configuration_verified
- No*
- comparable
- No*
- powerPerf
- 61.94*
Scope and conditions
- benchmark_context
- suite
- PassMark*
- test_configuration_verified
- No*
- comparable
- No*
- cores
- 6*
Scope and conditions
- benchmark_context
- suite
- PassMark*
- test_configuration_verified
- No*
- comparable
- No*
Specifications 12 · 8 fields
- product
- Xeon E5645*
- status
- Discontinued*
- releaseDate
- 2,010*
- cores
- 6*
- maxTurboClock
- 2.67*
- baseClock
- 2.4*
- cache
- 12*
- cacheInfo
- Intel Smart Cache*
* Provisional data