CPUBoss Review Our evaluation of X5570 vs E5640 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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Higher turbo clock speed 3.33 GHz vs 2.93 GHz Around 15% higher turbo clock speed
Higher clock speed 2.93 GHz vs 2.66 GHz More than 10% higher clock speed
Better PassMark (Single core) score 1,357 vs 1,134 Around 20% better PassMark (Single core) score
Better overclocked clock speed (Water) 4.58 GHz vs 4.41 GHz Around 5% better overclocked clock speed (Water)
Front view of Intel Xeon E5640

Reasons to consider the
Intel Xeon E5640

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Much better performance per dollar 8.44 pt/$ vs 4.66 pt/$ More than 80% better performance per dollar
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much better performance per watt 7.33 pt/W vs 2.61 pt/W More than 2.8x better performance per watt
Significantly lower typical power consumption 65W vs 77.19W More than 15% lower typical power consumption
Newer Mar, 2010 vs Mar, 2009 Release date 11 months later
Supports more RAM 294,912 MB vs 147,456 MB Supports 2x more RAM
Better overclocked clock speed (Air) 4.12 GHz vs 3.77 GHz Around 10% better overclocked clock speed (Air)
Significantly lower annual commercial energy cost 70.08 $/year vs 83.22 $/year More than 15% lower annual commercial energy cost
Significantly lower annual home energy cost 19.27 $/year vs 22.89 $/year More than 15% lower annual home energy cost

Benchmarks Real world tests of Xeon X5570 vs E5640

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X5570
15,935
Xeon E5640
8,170

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X5570
2,152
Xeon E5640
2,008

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X5570
134,400 MB/s
Xeon E5640
1,300,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon X5570
9,326
Xeon E5640
8,314

GeekBench

Xeon X5570
9,326
Xeon E5640
8,314

PassMark Data courtesy Passmark

Xeon X5570
5,679
Xeon E5640
5,311

PassMark (Single Core)

Xeon X5570
1,357
Xeon E5640
1,134

Specifications Full list of technical specs

summary

Xeon X5570  vs
E5640 
Clock speed 2.93 GHz 2.66 GHz
Turbo clock speed 3.33 GHz 2.93 GHz
Cores Quad core Quad core
Socket type
LGA 1366

features

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

power consumption

TDP 95W 80W
Annual home energy cost 22.89 $/year 19.27 $/year
Annual commercial energy cost 83.22 $/year 70.08 $/year
Performance per watt 2.61 pt/W 7.33 pt/W
Typical power consumption 77.19W 65W

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 Yes
Maximum bandwidth 31,999.98 MB/s 25,599.99 MB/s
Maximum memory size 147,456 MB 294,912 MB

details

Xeon X5570  vs
E5640 
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 12 MB
L3 cache per core 2 MB/core 3 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 2 2
Clock multiplier 22 20
Voltage range 0.75 - 1.35V 0.75 - 1.35V
Operating temperature Unknown - 75°C Unknown - 77.6°C

overclocking

Overclocked clock speed 3.77 GHz 4.12 GHz
Overclocked clock speed (Water) 4.58 GHz 4.41 GHz
Overclocked clock speed (Air) 3.77 GHz 4.12 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 2
Data rate 51,200 MB/s 46,928 MB/s
Transfer rate 6,400 MT/s 5,860 MT/s
Clock speed 3,200 MHz 2,930 MHz
Intel Xeon X5570
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Intel Xeon E5640
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