CPUBoss Review Our evaluation of E5620 vs E5504 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 and value.

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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 more l3 cache 12 MB vs 4 MB 3x more l3 cache; more data can be stored in the l3 cache for quick access later
Much higher clock speed 2.4 GHz vs 2 GHz Around 20% higher clock speed
Much better performance per watt 7.59 pt/W vs 1.49 pt/W More than 5x better performance per watt
Much better performance per dollar 2.18 pt/$ vs 0.51 pt/$ More than 4.2x better performance per dollar
Much better overclocked clock speed (Air) 3.75 GHz vs 2.82 GHz Around 35% better overclocked clock speed (Air)
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More threads 8 vs 4 Twice as many threads
Much more l3 cache per core 3 MB/core vs 1 MB/core 3x more l3 cache per core
Supports more RAM 294,912 MB vs 147,456 MB Supports 2x more RAM
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Water) 4.33 GHz vs 3.43 GHz More than 25% better overclocked clock speed (Water)
Newer Mar, 2010 vs Mar, 2009 Release date 11 months later
Front view of Intel Xeon E5504

Reasons to consider the
Intel Xeon E5504

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CPUBoss is not aware of any important advantages of the E5504 vs the E5620.

Benchmarks Real world tests of Xeon E5620 vs E5504

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5620
14,086
Xeon E5504
4,940

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5620
1,898
Xeon E5504
1,357

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5620
1,280,000 MB/s
Xeon E5504
86,200 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5620
8,737
Xeon E5504
4,158

GeekBench

Xeon E5620
11,417
Xeon E5504
4,158

x264 HD 4.0

Xeon E5620
66.94 fps
Xeon E5504
45.9 fps

PassMark Data courtesy Passmark

Xeon E5620
4,873
Xeon E5504
2,732

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5620  vs
E5504 
Clock speed 2.4 GHz 2 GHz
Cores Quad core Quad core
Socket type
LGA 1366

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
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 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 1.49 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 19,200 MB/s
Maximum memory size 294,912 MB 147,456 MB

details

Xeon E5620  vs
E5504 
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 4 MB
L3 cache per core 3 MB/core 1 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 2 2
Clock multiplier 18 15
Voltage range 0.75 - 1.35V 0.75 - 1.35V
Operating temperature Unknown - 77.6°C Unknown - 76°C

overclocking

Overclocked clock speed 3.75 GHz 2.82 GHz
Overclocked clock speed (Water) 4.33 GHz 3.43 GHz
Overclocked clock speed (Air) 3.75 GHz 2.82 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 E5620
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Intel Xeon E5504
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