CPUBoss Review Our evaluation of 4790K vs 4400M 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

8.6

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 4790K 

CPUBoss recommends the Intel Core i7 4790K  based on its performance and single-core performance.

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VS

Intel Core i7 4790K

CPUBoss Winner
Front view of Intel Core i7 4790K

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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Significantly higher clock speed 4 GHz vs 2.7 GHz Around 50% higher clock speed
Significantly higher turbo clock speed 4.4 GHz vs 3.2 GHz Around 40% higher turbo clock speed
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better turbo clock speed 1,250 MHz vs 685 MHz More than 80% better turbo clock speed
Much better 3DMark06 CPU score 79 vs 27.6 More than 2.8x better 3DMark06 CPU score
Much better geekbench 3 single core score 4,004 vs 1,434 More than 2.8x better geekbench 3 single core score
More l3 cache 8 MB vs 0.5 MB 16x more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l3 cache per core 2 MB/core vs 0.25 MB/core 8x more l3 cache per core
Better CompuBench 1.5 video composition score 12.09 fps vs 4.61 fps More than 2.5x better CompuBench 1.5 video composition score
Better geekbench 3 Multi-Core score 15,490 vs 2,091 Around 7.5x better geekbench 3 Multi-Core score
More threads 8 vs 2 6 more threads
Newer Apr, 2014 vs May, 2012 Release date over 1 years later
More cores 4 vs 2 Twice as many cores; run more applications at once
Better performance per watt 11.42 pt/W vs 9.6 pt/W Around 20% better performance per watt
Better overclocked clock speed (Air) 4.64 GHz vs 3.2 GHz More than 45% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 4.79 GHz vs 2.7 GHz Around 80% better overclocked clock speed (Water)
Front view of AMD A6 4400M

Reasons to consider the
AMD A6 4400M

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Much better performance per dollar 11.25 pt/$ vs 3.7 pt/$ More than 3x better performance per dollar
Much higher Maximum operating temperature 100 °C vs 74.04 °C More than 35% higher Maximum operating temperature
Significantly higher GPU clock speed 496 MHz vs 350 MHz More than 40% higher GPU clock speed
Lower typical power consumption 28.44W vs 71.5W 2.5x lower typical power consumption
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Lower annual home energy cost 8.43 $/year vs 21.2 $/year 2.5x lower annual home energy cost
Lower annual commercial energy cost 30.66 $/year vs 77.09 $/year 2.5x lower annual commercial energy cost

Benchmarks Real world tests of Core i7 4790K vs A6 4400M

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 4790K
16.1 mHash/s
A6 4400M
29.02 mHash/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 4790K
1.79 fps
A6 4400M
0.34 fps

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

A6 4400M
2,155

Sky Diver Data courtesy FutureMark

A6 4400M
1,674

Cloud Gate Data courtesy FutureMark

A6 4400M
2,119

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 4790K
15,490
A6 4400M
2,091

GeekBench 3 (Single core) Data courtesy Primate Labs

A6 4400M
1,434

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 4790K
5,140,000 MB/s
A6 4400M
1,680,000 MB/s

Specifications Full list of technical specs

summary

Core i7 4790K  vs
A6 4400M 
Clock speed 4 GHz 2.7 GHz
Turbo clock speed 4.4 GHz 3.2 GHz
Cores Quad core Dual core
Is unlocked Yes No

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
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 88W 35W
Annual home energy cost 21.2 $/year 8.43 $/year
Annual commercial energy cost 77.09 $/year 30.66 $/year
Performance per watt 11.42 pt/W 9.6 pt/W
Typical power consumption 71.5W 28.44W

details

Core i7 4790K  vs
A6 4400M 
Threads 8 2
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 0.5 MB
L3 cache per core 2 MB/core 0.25 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 74.04°C Unknown - 100°C

overclocking

Overclocked clock speed 4.64 GHz 3.2 GHz
Overclocked clock speed (Water) 4.79 GHz 2.7 GHz
PassMark (Overclocked) 6,925.3 982.4
Overclocked clock speed (Air) 4.64 GHz 3.2 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 4600 Radeon™ HD 7520G
GPU clock speed 350 MHz 496 MHz
Turbo clock speed 1,250 MHz 685 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
Channels Dual Channel Dual Channel
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Intel Core i7 4790K
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AMD A6 4400M
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