CPUBoss Review Our evaluation of X5570 vs 950 among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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VS

Intel Xeon X5570

CPUBoss Winner
Front view of Intel Xeon X5570

Differences What are the advantages of each

Front view of Intel Xeon X5570

Reasons to consider the
Intel Xeon X5570

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Much better geekbench 3 Multi-Core score 15,935 vs 8,385 More than 90% better geekbench 3 Multi-Core score
Significantly lower typical power consumption 77.19W vs 105.63W More than 25% lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Better performance per dollar 0.17 pt/$ vs 0.01 pt/$ More than 14.5x better performance per dollar
Higher Maximum operating temperature 75 °C vs 67.9 °C More than 10% higher Maximum operating temperature
Better performance per watt 2.61 pt/W vs 1.55 pt/W Around 70% better performance per watt
Supports more RAM 147,456 MB vs 24,576 MB Supports 6x more RAM
Significantly lower annual home energy cost 22.89 $/year vs 31.32 $/year More than 25% lower annual home energy cost
Significantly lower annual commercial energy cost 83.22 $/year vs 113.88 $/year More than 25% lower annual commercial energy cost
Better overclocked clock speed (Water) 4.58 GHz vs 4.2 GHz Around 10% better overclocked clock speed (Water)
Front view of Intel Core i7 950

Reasons to consider the
Intel Core i7 950

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Better overclocked clock speed (Air) 4.25 GHz vs 3.75 GHz Around 15% better overclocked clock speed (Air)
Newer Jun, 2009 vs Mar, 2009 Release date 2 months later

Benchmarks Real world tests of Xeon X5570 vs Core i7 950

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X5570
15,935
Core i7 950
8,385

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X5570
2,152
Core i7 950
2,085

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X5570
134,400 MB/s
Core i7 950
137,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon X5570
9,326
Core i7 950
8,066

GeekBench

Xeon X5570
9,326
Core i7 950
9,995

PassMark Data courtesy Passmark

Xeon X5570
5,679
Core i7 950
5,595

PassMark (Single Core)

Xeon X5570
1,357
Core i7 950
1,324

Specifications Full list of technical specs

summary

Xeon X5570  vs
Core i7 950 
Clock speed 2.93 GHz 3.06 GHz
Turbo clock speed 3.33 GHz 3.33 GHz
Cores Quad core Quad core
Socket type
LGA 1366

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 130W
Annual home energy cost 22.89 $/year 31.32 $/year
Annual commercial energy cost 83.22 $/year 113.88 $/year
Performance per watt 2.61 pt/W 1.55 pt/W
Typical power consumption 77.19W 105.63W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels Triple Channel Triple Channel
Supports ECC Yes No
Maximum bandwidth 31,999.98 MB/s 25,599.99 MB/s
Maximum memory size 147,456 MB 24,576 MB

details

Xeon X5570  vs
Core i7 950 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 45 nm 45 nm
Transistor count 731,000,000 731,000,000
Max CPUs 2 1
Clock multiplier 22 23
Voltage range 0.75 - 1.35V 0.8 - 1.38V
Operating temperature Unknown - 75°C Unknown - 67.9°C

overclocking

Overclocked clock speed 3.75 GHz 4.25 GHz
Overclocked clock speed (Water) 4.58 GHz 4.2 GHz
Overclocked clock speed (Air) 3.75 GHz 4.25 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

bus

Architecture QPI QPI
Number of links 2 1
Data rate 51,200 MB/s 19,200 MB/s
Transfer rate 6,400 MT/s 4,800 MT/s
Clock speed 3,200 MHz 2,400 MHz
Intel Xeon X5570
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Intel Core i7 950
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