CPUBoss Review Our evaluation of E5620 vs 6204 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 cost to run.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E5620

Reasons to consider the
Intel Xeon E5620

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Much higher turbo clock speed 2.66 GHz vs 0 GHz Compared to all cpus, 2.66 GHz turbo clock speed is just OK
Much better performance per watt 7.59 pt/W vs 0.62 pt/W Around 12.2x better performance per watt
More threads 8 vs 4 Twice as many threads
Significantly lower typical power consumption 65W vs 93.44W More than 30% lower typical power consumption
Much better overclocked clock speed (Air) 3.75 GHz vs 3.3 GHz Around 15% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.33 GHz vs 3.3 GHz More than 30% better overclocked clock speed (Water)
Significantly lower annual commercial energy cost 70.08 $/year vs 100.74 $/year More than 30% lower annual commercial energy cost
Significantly lower annual home energy cost 19.27 $/year vs 27.7 $/year More than 30% lower annual home energy cost
Front view of AMD Opteron 6204

Reasons to consider the
AMD Opteron 6204

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Much higher clock speed 3.3 GHz vs 2.4 GHz Around 40% higher clock speed
Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 16 MB vs 12 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Much more l3 cache per core 4 MB/core vs 3 MB/core Around 35% more l3 cache per core
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Newer Nov, 2011 vs Mar, 2010 Release date over 1 years later

Benchmarks Real world tests of Xeon E5620 vs Opteron 6204

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5620
14,086
Opteron 6204
3,779.5

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5620
1,898
Opteron 6204
1,410.5

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5620
1,280,000 MB/s
Opteron 6204
114.35 MB/s

Specifications Full list of technical specs

summary

Xeon E5620  vs
Opteron 6204 
Clock speed 2.4 GHz 3.3 GHz
Turbo clock speed 2.66 GHz 0 GHz
Cores Quad core Quad core
Socket type
LGA 1366
G34

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES

power consumption

TDP 80W 115W
Annual home energy cost 19.27 $/year 27.7 $/year
Annual commercial energy cost 70.08 $/year 100.74 $/year
Performance per watt 7.59 pt/W 0.62 pt/W
Typical power consumption 65W 93.44W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3-800
DDR3

details

Xeon E5620  vs
Opteron 6204 
Threads 8 4
L2 cache 1 MB 4 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 12 MB 16 MB
L3 cache per core 3 MB/core 4 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 4
Clock multiplier 18 16
Operating temperature Unknown - 77.6°C Unknown - 55°C

overclocking

Overclocked clock speed 3.75 GHz 3.3 GHz
Overclocked clock speed (Water) 4.33 GHz 3.3 GHz
Overclocked clock speed (Air) 3.75 GHz 3.3 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 HyperTransport 3.0
Number of links 2 4
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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AMD Opteron 6204
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