CPUBoss Review Our evaluation of E5520 vs E5502 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 E5520

CPUBoss Winner
Front view of Intel Xeon E5520

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 higher clock speed 2.26 GHz vs 1.86 GHz More than 20% higher clock speed
Much more l3 cache 8 MB vs 4 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 8 vs 2 6 more threads
Significantly better overclocked clock speed (Air) 3.28 GHz vs 3.02 GHz Around 10% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.27 GHz vs 3.42 GHz More than 25% better overclocked clock speed (Water)
Front view of Intel Xeon E5502

Reasons to consider the
Intel Xeon E5502

Report a correction
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 E5502

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5520
12,384
Xeon E5502
3,872

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5520
1,701
Xeon E5502
2,161

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5520
102,200 MB/s
Xeon E5502
133.1 MB/s

PassMark Data courtesy Passmark

Xeon E5520
4,453
Xeon E5502
1,381

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5520  vs
E5502 
Clock speed 2.26 GHz 1.86 GHz
Cores Quad core Dual core
Socket type
LGA 1366

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
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 2.4 pt/W 1.04 pt/W
Typical power consumption 65W 65W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Triple Channel
Supports ECC Yes Yes
Maximum bandwidth 25,599.99 MB/s 19,200 MB/s
Maximum memory size 147,456 MB 147,456 MB

details

Xeon E5520  vs
E5502 
Architecture x86-64 x86-64
Threads 8 2
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 4 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 2 2
Clock multiplier 17 14
Voltage range 0.75 - 1.35V 0.75 - 1.35V
Operating temperature Unknown - 72°C Unknown - 76°C

overclocking

Overclocked clock speed 3.28 GHz 3.02 GHz
Overclocked clock speed (Water) 4.27 GHz 3.42 GHz
Overclocked clock speed (Air) 3.28 GHz 3.02 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 46,928 MB/s 38,400 MB/s
Transfer rate 5,860 MT/s 4,800 MT/s
Clock speed 2,930 MHz 2,400 MHz
Intel Xeon E5520
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Intel Xeon E5502
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