Intel Xeon E5645: CPU Specs and Performance, Benchmarks
The Intel Xeon E5645 is a 6-core and 12-thread processor configuration with a base clock speed of 2400 MHz. The CPU specifications and performance tests (benchmarks) are listed below.
Performance (Benchmarks)
- Geekbench 5 Single-Core Score
- 469
- Geekbench 5 Multi-Core Score
- 3075
- PassMark CPU Mark Rating
- 4915
- PassMark Single Thread Rating
- 1139
Processor Specs
- Processor
- Intel Xeon E5645
- Frequency
- 2400 MHz
- Maximum Frequency
- 2670 MHz
- Cores
- 6
- Threads
- 12
- TDP
- 80 W
- Codename
- Westmere-EP
- Package
- Socket 1366 LGA

Geekbench 5 Benchmark
- Single-Core Score
- 465
- Multi-Core Score
- 4878
- Benchmark
- Geekbench 5.4.1 Tryout for macOS x86 (64-bit)
System Information
- Operating System
- macOS 10.14.6 (Build 18G9323)
- Model
- Mac Pro (Mid 2012)
- Model ID
- MacPro5,1
- Motherboard
- Apple Inc. Mac-F221BEC8
CPU Specifications
- Name
- Intel Xeon E5645
- Topology
- 2 Processors, 12 Cores, 24 Threads
- Identifier
- GenuineIntel Family 6 Model 44 Stepping 2
- Base Frequency
- 2.40 GHz
- L1 Instruction Cache
- 32.0 KB x 6
- L1 Data Cache
- 32.0 KB x 6
- L2 Cache
- 256 KB x 6
- L3 Cache
- 12.0 MB x 1
Memory Information
- Size
- 32.00 GB
- Transfer Rate
- 1333 MT/s
- Type
- DDR3
Geekbench 5 result (single)
| Single-Core Score | 465 |
|---|---|
| Crypto Score | 435 |
| Integer Score | 445 |
| Floating Point Score | 514 |
| AES-XTS | 435 759.2 MB/sec |
| Text Compression (LZMA) | 587 2.97 MB/sec |
| Image Compression | 463 21.9 Mpixels/sec |
| Navigation (using Dijkstra's algorithm) | 487 1.37 MTE/sec |
| HTML5 | 379 444.6 KElements/sec |
| SQLite | 426 133.5 Krows/sec |
| PDF Rendering | 458 24.9 Mpixels/sec |
| Text Rendering | 371 118.2 KB/sec |
| Clang | 426 3.32 Klines/sec |
| Camera | 443 5.14 images/sec |
| N-Body Physics | 395 494.1 Kpairs/sec |
| Rigid Body Physics | 614 3806.3 FPS |
| Gaussian Blur | 413 22.7 Mpixels/sec |
| Face Detection | 520 4.01 images/sec |
| Horizon Detection | 509 12.5 Mpixels/sec |
| Image Inpainting | 929 45.6 Mpixels/sec |
| HDR | 886 12.1 Mpixels/sec |
| Ray Tracing | 554 445.0 Kpixels/sec |
| Structure from Motion | 380 3.40 Kpixels/sec |
| Speech Recognition | 596 19.1 Words/sec |
| Machine Learning | 242 9.34 images/sec |
Geekbench 5 result (multi)
| Multi-Core Score | 4878 |
|---|---|
| Crypto Score | 4585 |
| Integer Score | 4754 |
| Floating Point Score | 5194 |
| AES-XTS | 4585 7.82 GB/sec |
| Text Compression (LZMA) | 7731 39.1 MB/sec |
| Image Compression | 5649 267.2 Mpixels/sec |
| Navigation (using Dijkstra's algorithm) | 3699 10.4 MTE/sec |
| HTML5 | 4660 5.47 MElements/sec |
| SQLite | 5022 1.57 Mrows/sec |
| PDF Rendering | 3867 209.9 Mpixels/sec |
| Text Rendering | 3786 1.18 MB/sec |
| Clang | 5354 41.7 Klines/sec |
| Camera | 4189 48.6 images/sec |
| N-Body Physics | 3920 4.90 Mpairs/sec |
| Rigid Body Physics | 8293 51379.5 FPS |
| Gaussian Blur | 4657 256.0 Mpixels/sec |
| Face Detection | 6324 48.7 images/sec |
| Horizon Detection | 6103 150.4 Mpixels/sec |
| Image Inpainting | 7571 371.4 Mpixels/sec |
| HDR | 9977 135.9 Mpixels/sec |
| Ray Tracing | 6823 5.48 Mpixels/sec |
| Structure from Motion | 4079 36.5 Kpixels/sec |
| Speech Recognition | 3555 113.7 Words/sec |
| Machine Learning | 1699 65.6 images/sec |