CPUBoss Review Our evaluation of E5345 vs 2356 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

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E5345 

CPUBoss recommends the Intel Xeon E5345  based on its performance and single-core performance.

See full details

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VS

Intel Xeon E5345

CPUBoss Winner
Front view of Intel Xeon E5345

Differences What are the advantages of each

Front view of Intel Xeon E5345

Reasons to consider the
Intel Xeon E5345

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Much more l2 cache 8 MB vs 2 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 2 MB/core vs 0.5 MB/core 4x more l2 cache per core
Significantly better overclocked clock speed (Air) 2.7 GHz vs 2.43 GHz More than 10% better overclocked clock speed (Air)
Front view of AMD Opteron 2356

Reasons to consider the
AMD Opteron 2356

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Newer Apr, 2008 vs Nov, 2006 Release date over 1 years later

Benchmarks Real world tests of Xeon E5345 vs Opteron 2356

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5345
8,389
Opteron 2356
7,681

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5345
1,242
Opteron 2356
1,090

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5345
94,300 MB/s
Opteron 2356
86.9 MB/s

PassMark Data courtesy Passmark

Xeon E5345
2,958
Opteron 2356
2,814

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5345  vs
Opteron 2356 
Clock speed 2.33 GHz 2.3 GHz
Cores Quad core Quad core
Socket type
LGA 771
F

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
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 1.81 pt/W 1.36 pt/W
Typical power consumption 65W 60.94W

details

Xeon E5345  vs
Opteron 2356 
Threads 4 4
L2 cache 8 MB 2 MB
L2 cache per core 2 MB/core 0.5 MB/core
Manufacture process 65 nm 65 nm
Max CPUs 2 2
Clock multiplier 7 11
Voltage range 1 - 1.5V 1 - UnknownV
Operating temperature Unknown - 66°C 0 - 55°C

overclocking

Overclocked clock speed 2.7 GHz 2.43 GHz
Overclocked clock speed (Water) 2.33 GHz 2.3 GHz
Overclocked clock speed (Air) 2.7 GHz 2.43 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

Clock speed 1,333 MHz 2,000 MHz
Intel Xeon E5345
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AMD Opteron 2356
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