CPUBoss Review Our evaluation of X5570 vs E5620 among all CPUs

Performance

Benchmark performance using all cores
Xeon X5570
6.5
Xeon E5620
6.3
Core i7 3770K
6.9
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
Xeon X5570
8.1
Xeon E5620
7.6
Core i7 3770K
9.5
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
Xeon X5570
n.d.
Xeon E5620
n.d.
Core i7 3770K
n.d.
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
Xeon X5570
0.0
Xeon E5620
0.0
Core i7 3770K
7.6
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
Xeon X5570
5.1
Xeon E5620
5.1
Core i7 3770K
5.4
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
Xeon X5570
n.d.
Xeon E5620
n.d.
Core i7 3770K
n.d.
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more
4.9

CPUBoss Score

Combination of all six facets
Xeon X5570
4.9
Xeon E5620
4.8
Core i7 3770K
8.7

Winner
Intel Xeon X5570 

CPUBoss recommends the Intel Xeon X5570  based on its performance and single-core performance.

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VS

Intel Xeon X5570

Front view of Intel Xeon X5570
Front view of Intel Xeon E5620

Intel Xeon E5620

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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 higher clock speed 2.93 GHz vs 2.4 GHz More than 20% higher clock speed
Much higher turbo clock speed 3.33 GHz vs 2.66 GHz More than 25% higher turbo clock speed
Significantly better overclocked clock speed (Water) 4.58 GHz vs 4.33 GHz More than 5% better overclocked clock speed (Water)
Front view of Intel Xeon E5620

Reasons to consider the
Intel Xeon E5620

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Much more l3 cache 12 MB vs 8 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
Much better performance per watt 7.59 pt/W vs 2.61 pt/W Around 3x better performance per watt
Much better performance per dollar 2.18 pt/$ vs 0.17 pt/$ Around 12.8x better performance per dollar
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Supports more RAM 294,912 MB vs 147,456 MB Supports 2x more RAM
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l3 cache per core 3 MB/core vs 2 MB/core 50% more l3 cache per core
Lower typical power consumption 65W vs 77.19W More than 15% lower typical power consumption
Lower annual commercial energy cost 70.08 $/year vs 83.22 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 19.27 $/year vs 22.89 $/year More than 15% lower annual home energy cost
Newer Mar, 2010 vs Mar, 2009 Release date 11 months later

Benchmarks Real world tests of Xeon X5570 vs E5620

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X5570
15,935
Xeon E5620
14,086

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X5570
2,152
Xeon E5620
1,898

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X5570
134,400 MB/s
Xeon E5620
1,280,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon X5570
9,326
Xeon E5620
8,737

GeekBench

Xeon X5570
9,326
Xeon E5620
11,417

PassMark Data courtesy Passmark

Xeon X5570
5,679
Xeon E5620
4,873

PassMark (Single Core)

Xeon X5570
1,357
Xeon E5620
1,059

Specifications Full list of technical specs

summary

 Xeon X5570  vs
E5620 
Clock speed 2.93 GHz 2.4 GHz
Turbo clock speed 3.33 GHz 2.66 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 7.59 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
E5620 
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 18
Voltage range 0.75 - 1.35V 0.75 - 1.35V
Operating temperature Unknown - 75°C Unknown - 77.6°C

overclocking
Overclocked clock speed 3.75 GHz 3.75 GHz
Overclocked clock speed (Water) 4.58 GHz 4.33 GHz
Overclocked clock speed (Air) 3.75 GHz 3.75 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 E5620
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