CPUBoss Review Our evaluation of 4960X vs 3970X among desktop CPUs (over 75W)

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

Fire Strike

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?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

6

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 4960X 

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

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VS

Differences What are the advantages of each

Front view of Intel Core i7 4960X

Reasons to consider the
Intel Core i7 4960X

Report a correction

CPUBoss is not aware of any important advantages of the 4960X Extreme Edition vs the 3970X Extreme Edition.

Front view of Intel Core i7 3970X

Reasons to consider the
Intel Core i7 3970X

Report a correction

CPUBoss is not aware of any important advantages of the 3970X Extreme Edition vs the 4960X Extreme Edition.

Benchmarks Real world tests of Core i7 4960X vs 3970X

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

Core i7 4960X
2,560,000 MB/s
Core i7 3970X
2,690,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 4960X  vs
3970X 
Clock speed 3.6 GHz 3.5 GHz
Turbo clock speed 4 GHz 4 GHz
Cores Hexa core Hexa core
Is unlocked Yes Yes

features

Has a NX bit Yes Yes
Supports trusted computing No 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 150W
Annual home energy cost 31.32 $/year 36.14 $/year
Annual commercial energy cost 113.88 $/year 131.4 $/year
Performance per watt 8.29 pt/W 8.45 pt/W
Typical power consumption 105.63W 121.88W

bus

Architecture DMI 2.0 DMI 2.0
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

Core i7 4960X  vs
3970X 
Architecture x86-64 x86-64
Threads 12 12
L2 cache 2 MB 2 MB
L2 cache per core 0.33 MB/core 0.33 MB/core
L3 cache 15 MB 15 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 66.8°C Unknown - 66.8°C

overclocking

Overclocked clock speed 4.51 GHz 4.57 GHz
Overclocked clock speed (Water) 4.28 GHz 4.43 GHz
Overclocked clock speed (Air) 4.51 GHz 4.57 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
DDR3-1866
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Quad Channel Quad Channel
Supports ECC No No
Maximum bandwidth 59,733.32 MB/s 51,200 MB/s
Maximum memory size 65,536 MB 65,996.8 MB
Intel Core i7 4960X
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Intel Core i7 3970X
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