CPUBoss Review Our evaluation of 6700T vs 6700K among all CPUs

Performance

Benchmark performance using all cores
Core i7 6700T
6.2
Core i7 6700K
6.5
Core i7 4790K
7.7
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
Core i7 6700T
7.3
Core i7 6700K
8.0
Core i7 4790K
9.6
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
Core i7 6700T
n.d.
Core i7 6700K
n.d.
Core i7 4790K
9.8
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
Core i7 6700T
7.5
Core i7 6700K
8.0
Core i7 4790K
7.3
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
Core i7 6700T
5.6
Core i7 6700K
5.2
Core i7 4790K
5.3
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
Core i7 6700T
n.d.
Core i7 6700K
5.8
Core i7 4790K
6.3
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more
8.6

CPUBoss Score

Combination of all six facets
Core i7 6700T
8.6
Core i7 6700K
8.2
Core i7 4790K
8.8

Winner
Intel Core i7 6700K 

CPUBoss recommends the Intel Core i7 6700K  based on its performance, single-core performance and value.

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VS

Intel Core i7 6700T

Front view of Intel Core i7 6700T
Front view of Intel Core i7 6700K

Intel Core i7 6700K

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Differences What are the advantages of each

Front view of Intel Core i7 6700T

Reasons to consider the
Intel Core i7 6700T

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Much lower typical power consumption 28.44W vs 73.94W 2.6x lower typical power consumption
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly better performance per watt 7.07 pt/W vs 3.49 pt/W More than 2x better performance per watt
Much lower annual home energy cost 8.43 $/year vs 21.92 $/year 2.6x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 79.72 $/year 2.6x lower annual commercial energy cost
Front view of Intel Core i7 6700K

Reasons to consider the
Intel Core i7 6700K

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Much better 3DMark06 CPU score 80.5 vs 67.5 Around 20% better 3DMark06 CPU score
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Significantly higher clock speed 4 GHz vs 2.8 GHz Around 45% higher clock speed
Higher turbo clock speed 4.2 GHz vs 3.6 GHz More than 15% higher turbo clock speed
Better PassMark (Single core) score 2,349 vs 1,970 Around 20% better PassMark (Single core) score
Better turbo clock speed 1,150 MHz vs 1,100 MHz Around 5% better turbo clock speed
Better PassMark score 11,109 vs 9,050 Around 25% better PassMark score
Better CompuBench 1.5 video composition score 13.68 fps vs 11.18 fps More than 20% better CompuBench 1.5 video composition score
Better performance per dollar 0.91 pt/$ vs 0.82 pt/$ More than 10% better performance per dollar
Better overclocked clock speed (Air) 4.61 GHz vs 4.35 GHz More than 5% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 4.77 GHz vs 4 GHz Around 20% better overclocked clock speed (Water)

Benchmarks Real world tests of Core i7 6700T vs 6700K

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 6700T
28.32 mHash/s
Core i7 6700K
35.02 mHash/s

CompuBench 1.5 (Face detection)

Core i7 6700T
25.06 mPixels/s
Core i7 6700K
26.72 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 6700T
1.49 fps
Core i7 6700K
1.82 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 6700T
12,839
Core i7 6700K
17,583

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 6700T
3,330
Core i7 6700K
4,510

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 6700T
4,210 MB/s
Core i7 6700K
6,010 MB/s

PassMark Data courtesy Passmark

Core i7 6700T
9,050
Core i7 6700K
11,109

PassMark (Single Core)

Core i7 6700T
1,970
Core i7 6700K
2,349

Specifications Full list of technical specs

summary

 Core i7 6700T  vs
6700K 
Clock speed 2.8 GHz 4 GHz
Turbo clock speed 3.6 GHz 4.2 GHz
Cores Quad core Quad core
Is unlocked No Yes

features
Has a NX bit Yes Yes
Supports trusted computing Yes 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 35W 91W
Annual home energy cost 8.43 $/year 21.92 $/year
Annual commercial energy cost 30.66 $/year 79.72 $/year
Performance per watt 7.07 pt/W 3.49 pt/W
Typical power consumption 28.44W 73.94W

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

details

 Core i7 6700T  vs
6700K 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 14 nm 14 nm
Max CPUs 1 1
Operating temperature Unknown - 66°C Unknown - 64°C

overclocking
Overclocked clock speed 4.35 GHz 4.61 GHz
Overclocked clock speed (Water) 4 GHz 4.77 GHz
Overclocked clock speed (Air) 4.35 GHz 4.61 GHz

integrated graphics
GPU GPU GPU
Label Intel® HD Graphics 530 Intel® HD Graphics 530
Number of displays supported 3 3
GPU clock speed 350 MHz 350 MHz
Turbo clock speed 1,100 MHz 1,150 MHz

memory controller
Memory controller Built-in Built-in
Memory type
DDR3L-1600
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 65,536 MB 65,536 MB
Intel Core i7 6700T
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Intel Core i7 6700K
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