CPUBoss Review Our evaluation of 4790K vs 8370 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

9.9

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 4790K 

CPUBoss recommends the Intel Core i7 4790K  based on its power consumption.

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Differences What are the advantages of each

Front view of Intel Core i7 4790K

Reasons to consider the
Intel Core i7 4790K

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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 71.5W vs 101.56W Around 30% lower typical power consumption
Much lower annual home energy cost 21.2 $/year vs 30.11 $/year Around 30% lower annual home energy cost
Much lower annual commercial energy cost 77.09 $/year vs 109.5 $/year Around 30% lower annual commercial energy cost
Front view of AMD FX 8370

Reasons to consider the
AMD FX 8370

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Much more l2 cache 8 MB vs 1 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 8 vs 4 Twice as many cores; run more applications at once
Much better performance per dollar 9.66 pt/$ vs 3.69 pt/$ More than 2.5x better performance per dollar
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core

Benchmarks Real world tests of Core i7 4790K vs FX 8370

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 4790K
15,490
FX 8370
11,583

GeekBench 3 (Single core) Data courtesy Primate Labs

FX 8370
2,186

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 4790K
5,140,000 MB/s
FX 8370
2,450,000 MB/s

Cinebench R10 32-Bit

Core i7 4790K
33,538
FX 8370
23,394

Cinebench R10 32-Bit (Single Core)

FX 8370
4,436

Specifications Full list of technical specs

summary

Core i7 4790K  vs
FX 8370 
Clock speed 4 GHz 4 GHz
Turbo clock speed 4.4 GHz 4.3 GHz
Cores Quad core Octa core
Is unlocked Yes Yes

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
SSE4
XOP
AVX
SSE3
EM64T
SSE
ABM
BMI1
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
TBM
AVX 2.0
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1600
DDR3L-1600
DDR3-1333
Channels Dual Channel Dual Channel
Supports ECC No Yes
Maximum bandwidth 25,600 MB/s 29,866.66 MB/s

details

Core i7 4790K  vs
FX 8370 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 8 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 8 MB 0 MB
L3 cache per core 2 MB/core 0 MB/core
Manufacture process 22 nm 32 nm
Operating temperature Unknown - 74.04°C Unknown - 61°C

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

power consumption

TDP 88W 125W
Annual home energy cost 21.2 $/year 30.11 $/year
Annual commercial energy cost 77.09 $/year 109.5 $/year
Performance per watt 11.4 pt/W 12.28 pt/W
Typical power consumption 71.5W 101.56W
Intel Core i7 4790K
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AMD FX 8370
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