CPUBoss Review Our evaluation of G4400 vs 6600K 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

8.8

CPUBoss Score

Combination of all six facets

Winner
Intel Core i5 6600K 

CPUBoss recommends the Intel Core i5 6600K  based on its performance and single-core performance.

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VS
Front view of Intel Core i5 6600K

Intel Core i5 6600K

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Pentium G4400

Reasons to consider the
Intel Pentium G4400

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Much better performance per dollar 2.8 pt/$ vs 0.89 pt/$ Around 3.2x better performance per dollar
Significantly lower typical power consumption 43.88W vs 73.94W More than 40% lower typical power consumption
Significantly lower annual home energy cost 13.01 $/year vs 21.92 $/year More than 40% lower annual home energy cost
Significantly lower annual commercial energy cost 47.3 $/year vs 79.72 $/year More than 40% lower annual commercial energy cost
Better performance per watt 3.28 pt/W vs 2.45 pt/W Around 35% better performance per watt
Front view of Intel Core i5 6600K

Reasons to consider the
Intel Core i5 6600K

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Higher clock speed 3.5 GHz vs 3.3 GHz More than 5% higher clock speed
Significantly better turbo clock speed 1,150 MHz vs 1,000 MHz 15% better turbo clock speed
More l3 cache 6 MB vs 3 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly better PassMark score 8,012 vs 3,597 Around 2.2x better PassMark score
More cores 4 vs 2 Twice as many cores; run more applications at once
Better CompuBench 1.5 video composition score 14.26 fps vs 10.58 fps Around 35% better CompuBench 1.5 video composition score
Better PassMark (Single core) score 2,148 vs 1,879 Around 15% better PassMark (Single core) score
Better overclocked clock speed (Air) 4.54 GHz vs 3.99 GHz Around 15% better overclocked clock speed (Air)
More threads 4 vs 2 Twice as many threads
Better overclocked clock speed (Water) 4.57 GHz vs 4.19 GHz Around 10% better overclocked clock speed (Water)

Benchmarks Real world tests of Pentium G4400 vs Core i5 6600K

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Pentium G4400
14.45 mHash/s
Core i5 6600K
35.25 mHash/s

CompuBench 1.5 (Face detection)

Pentium G4400
14.46 mPixels/s
Core i5 6600K
28.75 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Pentium G4400
0.98 fps
Core i5 6600K
1.91 fps

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

Pentium G4400
5,770 MB/s
Core i5 6600K
209.7 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium G4400  vs
Core i5 6600K 
Clock speed 3.3 GHz 3.5 GHz
Cores Dual core Quad core

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
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 54W 91W
Annual home energy cost 13.01 $/year 21.92 $/year
Annual commercial energy cost 47.3 $/year 79.72 $/year
Performance per watt 3.28 pt/W 2.45 pt/W
Typical power consumption 43.88W 73.94W

bus

Architecture FSB FSB
Number of links 1 0
Transfer rate 8,000 MT/s 8,000 MT/s

details

Pentium G4400  vs
Core i5 6600K 
Architecture x86-64 x86-64
Threads 2 4
L3 cache 3 MB 6 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 14 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.99 GHz 4.54 GHz
Overclocked clock speed (Water) 4.19 GHz 4.57 GHz
Overclocked clock speed (Air) 3.99 GHz 4.54 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 510 Intel® HD Graphics 530
Number of displays supported 3 3
GPU clock speed 350 MHz 350 MHz
Turbo clock speed 1,000 MHz 1,150 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 65,536 MB 65,536 MB
Intel Pentium G4400
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Intel Core i5 6600K
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