Intel Xeon X5675 vs Intel Core i7-950

Comparative analysis of Intel Xeon X5675 and Intel Core i7-950 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

 

Differences

Reasons to consider the Intel Xeon X5675

  • CPU is newer: launch date 1 year(s) 8 month(s) later
  • 2 more cores, run more applications at once: 6 vs 4
  • 4 more threads: 12 vs 8
  • Around 4% higher clock speed: 3.46 GHz vs 3.33 GHz
  • Around 20% higher maximum core temperature: 81.3°C vs 67.9°C
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
  • Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
  • Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
  • Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
  • 12x more maximum memory size: 288 GB vs 24 GB
  • Around 37% lower typical power consumption: 95 Watt vs 130 Watt
  • Around 9% better performance in PassMark - Single thread mark: 1512 vs 1383
  • 3.6x better performance in PassMark - CPU mark: 11633 vs 3238
  • Around 10% better performance in Geekbench 4 - Single Core: 588 vs 535
  • Around 65% better performance in Geekbench 4 - Multi-Core: 3454 vs 2092
  • Around 88% better performance in 3DMark Fire Strike - Physics Score: 4712 vs 2502
  • 2.9x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 2.995 vs 1.028
  • 2.5x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.923 vs 0.376
  • 2.2x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 3.77 vs 1.712
  • 2.8x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 14.068 vs 5.077
Specifications (specs)
Launch date February 2011 vs June 2009
Number of cores 6 vs 4
Number of threads 12 vs 8
Maximum frequency 3.46 GHz vs 3.33 GHz
Maximum core temperature 81.3°C vs 67.9°C
Manufacturing process technology 32 nm vs 45 nm
L1 cache 64 KB (per core) vs 64 KB (per core)
L2 cache 256 KB (per core) vs 256 KB (per core)
L3 cache 12288 KB (shared) vs 8192 KB (shared)
Maximum memory size 288 GB vs 24 GB
Max number of CPUs in a configuration 2 vs 1
Thermal Design Power (TDP) 95 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark 1512 vs 1383
PassMark - CPU mark 11633 vs 3238
Geekbench 4 - Single Core 588 vs 535
Geekbench 4 - Multi-Core 3454 vs 2092
3DMark Fire Strike - Physics Score 4712 vs 2502
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 2.995 vs 1.028
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.923 vs 0.376
CompuBench 1.5 Desktop - Video Composition (Frames/s) 3.77 vs 1.712
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 14.068 vs 5.077

Reasons to consider the Intel Core i7-950

  • Around 5% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 61.244 vs 58.16
Benchmarks
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 61.244 vs 58.16

Compare benchmarks

CPU 1: Intel Xeon X5675
CPU 2: Intel Core i7-950

PassMark - Single thread mark
CPU 1
CPU 2
1512
1383
PassMark - CPU mark
CPU 1
CPU 2
11633
3238
Geekbench 4 - Single Core
CPU 1
CPU 2
588
535
Geekbench 4 - Multi-Core
CPU 1
CPU 2
3454
2092
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
4712
2502
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
2.995
1.028
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
CPU 1
CPU 2
58.16
61.244
CompuBench 1.5 Desktop - T-Rex (Frames/s)
CPU 1
CPU 2
0.923
0.376
CompuBench 1.5 Desktop - Video Composition (Frames/s)
CPU 1
CPU 2
3.77
1.712
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
CPU 1
CPU 2
14.068
5.077
Name Intel Xeon X5675 Intel Core i7-950
PassMark - Single thread mark 1512 1383
PassMark - CPU mark 11633 3238
Geekbench 4 - Single Core 588 535
Geekbench 4 - Multi-Core 3454 2092
3DMark Fire Strike - Physics Score 4712 2502
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 2.995 1.028
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 58.16 61.244
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.923 0.376
CompuBench 1.5 Desktop - Video Composition (Frames/s) 3.77 1.712
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 14.068 5.077

Compare specifications (specs)

Intel Xeon X5675 Intel Core i7-950

Essentials

Architecture codename Westmere EP Bloomfield
Launch date February 2011 June 2009
Launch price (MSRP) $162 $290
Place in performance rating 2125 2648
Price now $79.99 $329.99
Processor Number X5675 i7-950
Series Legacy Intel® Xeon® Processors Legacy Intel® Core™ Processors
Status Discontinued Discontinued
Value for money (0-100) 30.70 4.96
Vertical segment Server Desktop

Performance

64 bit support
Base frequency 3.06 GHz 3.06 GHz
Bus Speed 6.4 GT/s QPI 4.8 GT/s QPI
Die size 239 mm 263 mm2
L1 cache 64 KB (per core) 64 KB (per core)
L2 cache 256 KB (per core) 256 KB (per core)
L3 cache 12288 KB (shared) 8192 KB (shared)
Manufacturing process technology 32 nm 45 nm
Maximum core temperature 81.3°C 67.9°C
Maximum frequency 3.46 GHz 3.33 GHz
Number of cores 6 4
Number of QPI Links 2 1
Number of threads 12 8
Transistor count 1170 million 731 million
VID voltage range 0.750V-1.350V 0.800V-1.375V
Front-side bus (FSB) 1333 MHz

Memory

ECC memory support
Max memory channels 3 3
Maximum memory bandwidth 32 GB/s 25.6 GB/s
Maximum memory size 288 GB 24 GB
Supported memory types DDR3 800/1066/1333 DDR3 800/1066

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 2 1
Package Size 42.5mm X 45mm 42.5mm x 45.0mm
Sockets supported FCLGA1366 FCLGA1366
Thermal Design Power (TDP) 95 Watt 130 Watt

Security & Reliability

Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® SSE4.2 Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE) 40-bit 36-bit
Thermal Monitoring

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)