CPUBoss Review Our evaluation of 2643 v2 vs 2637 v2 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

5.4

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E5 2643 v2 

CPUBoss recommends the Intel Xeon E5 2643 v2  based on its value.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E5 2643 v2

Reasons to consider the
Intel Xeon E5 2643 v2

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Much more l3 cache 25 MB vs 15 MB More than 65% more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l2 cache 2.5 MB vs 1 MB 2.5x more l2 cache; more data can be stored in the l2 cache for quick access later
More threads 20 vs 8 12 more threads
More cores 6 vs 4 2 more cores; run more applications at once
Much better performance per watt 10.7 pt/W vs 4.36 pt/W Around 2.5x better performance per watt
Significantly more l2 cache per core 0.42 MB/core vs 0.25 MB/core More than 65% more l2 cache per core
More l3 cache per core 4.17 MB/core vs 3.75 MB/core More than 10% more l3 cache per core
Much better overclocked clock speed (Water) 4.07 GHz vs 3.5 GHz More than 15% better overclocked clock speed (Water)
Front view of Intel Xeon E5 2637 v2

Reasons to consider the
Intel Xeon E5 2637 v2

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Slightly better overclocked clock speed (Air) 3.6 GHz vs 3.57 GHz Almost the same

Benchmarks Real world tests of Xeon E5 2643 v2 vs 2637 v2

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5 2643 v2
2,060,000 MB/s
Xeon E5 2637 v2
804,100 MB/s

Specifications Full list of technical specs

summary

Xeon E5 2643 v2  vs
2637 v2 
Clock speed 3.5 GHz 3.5 GHz
Turbo clock speed 3.8 GHz 3.8 GHz
Cores Hexa core Quad core
Socket type
LGA 2011
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 130W
Annual home energy cost 31.32 $/year 31.32 $/year
Annual commercial energy cost 113.88 $/year 113.88 $/year
Performance per watt 10.7 pt/W 4.36 pt/W
Typical power consumption 105.63W 105.63W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 64,000 MB/s 64,000 MB/s
Transfer rate 8,000 MT/s 8,000 MT/s
Clock speed 4,000 MHz 4,000 MHz

details

Xeon E5 2643 v2  vs
2637 v2 
Architecture x86-64 x86-64
Threads 20 8
L2 cache 2.5 MB 1 MB
L2 cache per core 0.42 MB/core 0.25 MB/core
L3 cache 25 MB 15 MB
L3 cache per core 4.17 MB/core 3.75 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 2 2
Clock multiplier 35 35
Operating temperature Unknown - 74°C Unknown - 76°C

overclocking

Overclocked clock speed 3.57 GHz 3.6 GHz
Overclocked clock speed (Water) 4.07 GHz 3.5 GHz
Overclocked clock speed (Air) 3.57 GHz 3.6 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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 786,432 MB 786,432 MB
Intel Xeon E5 2643 v2
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Intel Xeon E5 2637 v2
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Comments

Showing 1 comment.
your information don't match to the intel spactification
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