CPUBoss Review Our evaluation of E7-8857 v2 vs 4960X 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 Core i7 4960X 

CPUBoss recommends the Intel Core i7 4960X  based on its value.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E7-8857 v2

Reasons to consider the
Intel Xeon E7-8857 v2

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Significantly more l2 cache 3 MB vs 2 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 30 MB vs 15 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more RAM 1,572,864 MB vs 65,536 MB Supports 24x more RAM
More cores 12 vs 6 Twice as many cores; run more applications at once
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Higher Maximum operating temperature 73 °C vs 66.8 °C Around 10% higher Maximum operating temperature
Newer Feb, 2014 vs Sep, 2013 Release date 5 months later
Front view of Intel Core i7 4960X

Reasons to consider the
Intel Core i7 4960X

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Higher clock speed 3.6 GHz vs 3 GHz More than 20% higher clock speed
Higher turbo clock speed 4 GHz vs 3.6 GHz More than 10% higher turbo clock speed
Much better geekbench 3 Multi-Core score 20,658 vs 16,475 More than 25% better geekbench 3 Multi-Core score
Much better performance per dollar 0.88 pt/$ vs 0.06 pt/$ More than 15.2x better performance per dollar
Significantly better geekbench 3 single core score 3,479 vs 2,391 More than 45% better geekbench 3 single core score
Much better performance per watt 7.85 pt/W vs 1.7 pt/W More than 4.5x better performance per watt
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core

Benchmarks Real world tests of Xeon E7-8857 v2 vs Core i7 4960X

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 E7-8857 v2
871.2 MB/s
Core i7 4960X
2,560,000 MB/s

Specifications Full list of technical specs

summary

Xeon E7-8857 v2  vs
Core i7 4960X 
Clock speed 3 GHz 3.6 GHz
Turbo clock speed 3.6 GHz 4 GHz
Cores Duodeca core Hexa core
Is unlocked No Yes

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
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 1.7 pt/W 7.85 pt/W
Typical power consumption 105.63W 105.63W

bus

Architecture QPI DMI 2.0
Number of links 3 1
Data rate 96,000 MB/s 20,000 MB/s
Transfer rate 8,000 MT/s 5,000 MT/s
Clock speed 4,000 MHz 2,500 MHz

details

Xeon E7-8857 v2  vs
Core i7 4960X 
Architecture x86-64 x86-64
Threads 12 12
L2 cache 3 MB 2 MB
L2 cache per core 0.25 MB/core 0.33 MB/core
L3 cache 30 MB 15 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 8 1
Operating temperature Unknown - 73°C Unknown - 66.8°C

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
DDR3-1866
DDR3-1600
DDR3-1333
DDR3
Channels Quad Channel Quad Channel
Supports ECC Yes No
Maximum bandwidth 42,666.64 MB/s 59,733.32 MB/s
Maximum memory size 1,572,864 MB 65,536 MB
Intel Xeon E7-8857 v2
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Intel Core i7 4960X
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