CPUBoss Review Our evaluation of 4770K 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

9.8

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 4770K 

CPUBoss recommends the Intel Core i7 4770K  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 4770K

Reasons to consider the
Intel Core i7 4770K

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 68.25W vs 121.88W Around 45% lower typical power consumption
Much better overclocked clock speed (Water) 4.53 GHz vs 4.43 GHz Almost the same
Much lower annual home energy cost 20.24 $/year vs 36.14 $/year Around 45% lower annual home energy cost
Much lower annual commercial energy cost 73.58 $/year vs 131.4 $/year Around 45% lower annual commercial energy cost
Front view of Intel Core i7 3970X

Reasons to consider the
Intel Core i7 3970X

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More cores 6 vs 4 2 more cores; run more applications at once

Benchmarks Real world tests of Core i7 4770K 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 4770K
4,810,000 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)

Reviews Word on the street

Core i7 4770K  vs 3970X 

7.0
7.0
Intel's Core, er, cores are fantastic.
Core i7 4770K

Specifications Full list of technical specs

summary

Core i7 4770K  vs
3970X 
Clock speed 3.5 GHz 3.5 GHz
Turbo clock speed 3.9 GHz 4 GHz
Cores Quad 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
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 84W 150W
Annual home energy cost 20.24 $/year 36.14 $/year
Annual commercial energy cost 73.58 $/year 131.4 $/year
Performance per watt 11.29 pt/W 8.16 pt/W
Typical power consumption 68.25W 121.88W

bus

Architecture DMI 2.0 DMI 2.0
Number of links 0 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

Core i7 4770K  vs
3970X 
Architecture x86-64 x86-64
Threads 8 12
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 0.33 MB/core
L3 cache 8 MB 15 MB
L3 cache per core 2 MB/core 2.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 72.72°C Unknown - 66.8°C

overclocking

Overclock popularity 205 28
Overclock review score 1 0.2
Overclocked clock speed 4.48 GHz 4.57 GHz
Overclocked clock speed (Water) 4.53 GHz 4.43 GHz
PassMark (Overclocked) 6,694.4 7,133.8
Overclocked clock speed (Air) 4.48 GHz 4.57 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 4600 N/A
Number of displays supported 3 N/A
GPU clock speed 350 MHz N/A
Turbo clock speed 1,250 MHz N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Quad Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 51,200 MB/s
Maximum memory size 32,768 MB 65,996.8 MB
Intel Core i7 4770K
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Intel Core i7 3970X
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