CPUBoss Review Our evaluation of E5520 vs 1352 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

Differences What are the advantages of each

Front view of Intel Xeon E5520

Reasons to consider the
Intel Xeon E5520

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Much more l3 cache 8 MB vs 2 MB 4x more l3 cache; more data can be stored in the l3 cache for quick access later
Higher clock speed 2.26 GHz vs 2.1 GHz Around 10% higher clock speed
More threads 8 vs 4 Twice as many threads
Much better overclocked clock speed (Air) 3.28 GHz vs 2.55 GHz Around 30% better overclocked clock speed (Air)
Newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l3 cache per core 2 MB/core vs 0.5 MB/core 4x more l3 cache per core
Much better overclocked clock speed (Water) 4.27 GHz vs 2.77 GHz Around 55% better overclocked clock speed (Water)
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Newer Mar, 2009 vs Apr, 2008 Release date 11 months later
Front view of AMD Opteron 1352

Reasons to consider the
AMD Opteron 1352

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Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core

Benchmarks Real world tests of Xeon E5520 vs Opteron 1352

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5520
12,384
Opteron 1352
3,759

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5520
1,701
Opteron 1352
1,033

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5520
102,200 MB/s
Opteron 1352
82.1 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5520
7,188
Opteron 1352
3,553

GeekBench

Xeon E5520
8,874
Opteron 1352
3,723

PassMark Data courtesy Passmark

Xeon E5520
4,453
Opteron 1352
2,368

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5520  vs
Opteron 1352 
Clock speed 2.26 GHz 2.1 GHz
Cores Quad core Quad core
Socket type
LGA 1366
AM2
AM2+

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 75W
Annual home energy cost 19.27 $/year 18.07 $/year
Annual commercial energy cost 70.08 $/year 65.7 $/year
Performance per watt 2.4 pt/W 0.98 pt/W
Typical power consumption 65W 60.94W

bus

Clock speed 2,930 MHz 1,800 MHz

details

Xeon E5520  vs
Opteron 1352 
Threads 8 4
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 2 MB
L3 cache per core 2 MB/core 0.5 MB/core
Manufacture process 45 nm 65 nm
Max CPUs 2 1
Clock multiplier 17 10
Voltage range 0.75 - 1.35V 1.2 - UnknownV

overclocking

Overclocked clock speed 3.28 GHz 2.55 GHz
Overclocked clock speed (Water) 4.27 GHz 2.77 GHz
Overclocked clock speed (Air) 3.28 GHz 2.55 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
Intel Xeon E5520
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AMD Opteron 1352
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