CPUBoss Review Our evaluation of E5620 vs E5-2407 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 E5620

CPUBoss Winner
Front view of Intel Xeon E5620

Differences What are the advantages of each

Front view of Intel Xeon E5620

Reasons to consider the
Intel Xeon E5620

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Significantly higher clock speed 2.4 GHz vs 2.2 GHz Around 10% higher clock speed
Much better overclocked clock speed (Air) 3.75 GHz vs 2.35 GHz Around 60% better overclocked clock speed (Air)
More l3 cache 12 MB vs 10 MB 20% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 8 vs 4 Twice as many threads
Much better overclocked clock speed (Water) 4.33 GHz vs 2.2 GHz More than 95% better overclocked clock speed (Water)
More l3 cache per core 3 MB/core vs 2.5 MB/core 20% more l3 cache per core
Front view of Intel Xeon E5-2407

Reasons to consider the
Intel Xeon E5-2407

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Supports more RAM 393,216 MB vs 294,912 MB Supports around 35% more RAM
Newer May, 2012 vs Mar, 2010 Release date over 2 years later

Benchmarks Real world tests of Xeon E5620 vs E5-2407

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5620
14,086
Xeon E5-2407
6,112

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5620
1,898
Xeon E5-2407
1,652

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5620
1,280,000 MB/s
Xeon E5-2407
1,385,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5620
8,737
Xeon E5-2407
5,868

GeekBench

Xeon E5620
11,417
Xeon E5-2407
5,868

PassMark Data courtesy Passmark

Xeon E5620
4,873
Xeon E5-2407
3,795

PassMark (Single Core)

Xeon E5620
1,059
Xeon E5-2407
1,139

Specifications Full list of technical specs

summary

Xeon E5620  vs
E5-2407 
Clock speed 2.4 GHz 2.2 GHz
Cores Quad core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 80W
Annual home energy cost 19.27 $/year 19.27 $/year
Annual commercial energy cost 70.08 $/year 70.08 $/year
Performance per watt 7.59 pt/W 7.31 pt/W
Typical power consumption 65W 65W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3-800
DDR3
Channels Triple Channel Triple Channel
Supports ECC Yes Yes
Maximum bandwidth 25,599.99 MB/s 25,599.99 MB/s
Maximum memory size 294,912 MB 393,216 MB

details

Xeon E5620  vs
E5-2407 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 12 MB 10 MB
L3 cache per core 3 MB/core 2.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 2
Voltage range 0.75 - 1.35V 0.6 - 1.35V

overclocking

Overclock popularity 12 0
Overclocked clock speed 3.75 GHz 2.35 GHz
Overclocked clock speed (Water) 4.33 GHz 2.2 GHz
Overclocked clock speed (Air) 3.75 GHz 2.35 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 46,928 MB/s 25,600 MB/s
Transfer rate 5,860 MT/s 6,400 MT/s
Clock speed 2,930 MHz 3,200 MHz
Intel Xeon E5620
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Intel Xeon E5-2407
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