CPUBoss Review Our evaluation of X3220 vs E5620 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

5.2

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E5620 

CPUBoss recommends the Intel Xeon E5620  based on its performance, single-core performance, cost to run and value.

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VS
Front view of Intel Xeon E5620

Intel Xeon E5620

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Xeon X3220

Reasons to consider the
Intel Xeon X3220

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Much more l2 cache 8 MB vs 1 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 2 MB/core vs 0.25 MB/core 8x more l2 cache per core
Front view of Intel Xeon E5620

Reasons to consider the
Intel Xeon E5620

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Much better performance per watt 7.59 pt/W vs 1.21 pt/W More than 6.2x better performance per watt
Much better performance per dollar 2.18 pt/$ vs 0.63 pt/$ Around 3.5x better performance per dollar
Significantly newer manufacturing process 32 nm vs 65 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
More threads 8 vs 4 Twice as many threads
Lower typical power consumption 65W vs 85.31W Around 25% lower typical power consumption
Significantly better overclocked clock speed (Air) 3.75 GHz vs 3.52 GHz More than 5% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.33 GHz vs 3.67 GHz Around 20% better overclocked clock speed (Water)
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Newer Mar, 2010 vs Jan, 2007 Release date over 3 years later
Lower annual commercial energy cost 70.08 $/year vs 91.98 $/year Around 25% lower annual commercial energy cost
Lower annual home energy cost 19.27 $/year vs 25.29 $/year Around 25% lower annual home energy cost

Benchmarks Real world tests of Xeon X3220 vs E5620

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X3220
4,507
Xeon E5620
14,086

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon X3220
1,296
Xeon E5620
1,898

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X3220
103,100 MB/s
Xeon E5620
1,280,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon X3220
4,365
Xeon E5620
8,737

GeekBench (64-bit) Data courtesy Primate Labs

Xeon X3220
4,757
Xeon E5620
11,417

GeekBench

Xeon X3220
4,757
Xeon E5620
11,417

PassMark Data courtesy Passmark

Xeon X3220
3,107
Xeon E5620
4,873

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon X3220  vs
E5620 
Clock speed 2.4 GHz 2.4 GHz
Cores Quad core Quad core
Socket type
LGA 775
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 105W 80W
Annual home energy cost 25.29 $/year 19.27 $/year
Annual commercial energy cost 91.98 $/year 70.08 $/year
Performance per watt 1.21 pt/W 7.59 pt/W
Typical power consumption 85.31W 65W

bus

Architecture FSB QPI
Number of links 1 2
Clock speed 1,066 MHz 2,930 MHz

details

Xeon X3220  vs
E5620 
Architecture x86-64 x86-64
Threads 4 8
L2 cache 8 MB 1 MB
L2 cache per core 2 MB/core 0.25 MB/core
Manufacture process 65 nm 32 nm
Max CPUs 1 2
Clock multiplier 9 18
Voltage range 0.85 - 1.5V 0.75 - 1.35V
Operating temperature Unknown - 62.2°C Unknown - 77.6°C

overclocking

Overclocked clock speed 3.52 GHz 3.75 GHz
Overclocked clock speed (Water) 3.67 GHz 4.33 GHz
Overclocked clock speed (Air) 3.52 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

memory controller

Memory controller Built-in Built-in
Supports ECC No Yes
Intel Xeon X3220
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Intel Xeon E5620
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