CPUBoss Review Our evaluation of 6700HQ vs 6500U among all CPUs

Performance

Benchmark performance using all cores
Core i7 6700HQ
6.1
Core i7 6500U
5.4
Core i7 4720HQ
6.1
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
Core i7 6700HQ
8.6
Core i7 6500U
7.7
Core i7 4720HQ
9.2
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
Core i7 6700HQ
n.d.
Core i7 6500U
n.d.
Core i7 4720HQ
n.d.
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
Core i7 6700HQ
6.9
Core i7 6500U
6.6
Core i7 4720HQ
6.0
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
Core i7 6700HQ
5.5
Core i7 6500U
6.6
Core i7 4720HQ
5.5
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
Core i7 6700HQ
n.d.
Core i7 6500U
n.d.
Core i7 4720HQ
n.d.
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more
8.8

CPUBoss Score

Combination of all six facets
Core i7 6700HQ
8.8
Core i7 6500U
8.6
Core i7 4720HQ
8.4

Winner
Intel Core i7 6700HQ 

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

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VS

Intel Core i7 6700HQ

CPUBoss Winner
 Front view of Intel Core i7 6700HQ
Front view of Intel Core i7 6500U

Intel Core i7 6500U

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Differences What are the advantages of each

Front view of Intel Core i7 6700HQ

Reasons to consider the
Intel Core i7 6700HQ

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Much better 3DMark06 CPU score 66 vs 48.4 More than 35% better 3DMark06 CPU score
More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Higher turbo clock speed 3.5 GHz vs 3.1 GHz Around 15% higher turbo clock speed
Significantly better CompuBench 1.5 ocean surface simulation score 226.21 fps vs 156.25 fps Around 45% better CompuBench 1.5 ocean surface simulation score
Slightly more l3 cache 6 MB vs 4 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
Better PassMark score 8,134 vs 4,428 Around 85% better PassMark score
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 8 vs 4 Twice as many threads
Better performance per dollar 0.62 pt/$ vs 0.38 pt/$ Around 65% better performance per dollar
Higher GPU clock speed 350 MHz vs 300 MHz More than 15% higher GPU clock speed
Better overclocked clock speed (Air) 3.51 GHz vs 3.11 GHz Around 15% better overclocked clock speed (Air)
Better PassMark (Single core) score 1,802 vs 1,637 More than 10% better PassMark (Single core) score
Better overclocked clock speed (Water) 3.5 GHz vs 3.1 GHz Around 15% better overclocked clock speed (Water)
Front view of Intel Core i7 6500U

Reasons to consider the
Intel Core i7 6500U

Report a correction
Significantly lower typical power consumption 12.19W vs 36.56W 3x lower typical power consumption
Much better performance per watt 9.95 pt/W vs 5.19 pt/W More than 90% better performance per watt
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Significantly lower annual home energy cost 3.61 $/year vs 10.84 $/year 3x lower annual home energy cost
Significantly lower annual commercial energy cost 13.14 $/year vs 39.42 $/year 3x lower annual commercial energy cost

Benchmarks Real world tests of Core i7 6700HQ vs 6500U

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 6700HQ
27.32 mHash/s
Core i7 6500U
26.91 mHash/s

CompuBench 1.5 (Face detection)

Core i7 6700HQ
21.48 mPixels/s
Core i7 6500U
21.23 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 6700HQ
1.48 fps
Core i7 6500U
1.29 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 6700HQ
11,926
Core i7 6500U
2,357

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 6700HQ
3,066
Core i7 6500U
1,910

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 6700HQ
4,040 MB/s
Core i7 6500U
3,265 MB/s

PassMark Data courtesy Passmark

Core i7 6700HQ
8,134
Core i7 6500U
4,428

PassMark (Single Core)

Core i7 6700HQ
1,802
Core i7 6500U
1,637

Specifications Full list of technical specs

summary

 Core i7 6700HQ  vs
6500U 
Clock speed 2.6 GHz 2.5 GHz
Turbo clock speed 3.5 GHz 3.1 GHz
Cores Quad core Dual core
Is unlocked No No

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 45W 15W
Annual home energy cost 10.84 $/year 3.61 $/year
Annual commercial energy cost 39.42 $/year 13.14 $/year
Performance per watt 5.19 pt/W 9.95 pt/W
Typical power consumption 36.56W 12.19W

bus
Architecture FSB FSB
Number of links 1 1
Transfer rate 8,000 MT/s 4,000 MT/s

details

 Core i7 6700HQ  vs
6500U 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 6 MB 4 MB
L3 cache per core 1.5 MB/core 2 MB/core
Manufacture process 14 nm 14 nm
Max CPUs 1 1

overclocking
Overclocked clock speed 3.51 GHz 3.11 GHz
Overclocked clock speed (Water) 3.5 GHz 3.1 GHz
Overclocked clock speed (Air) 3.51 GHz 3.11 GHz

integrated graphics
GPU GPU GPU
Label Intel® HD Graphics 530 Intel® HD Graphics 520
Number of displays supported 3 3
GPU clock speed 350 MHz 300 MHz
Turbo clock speed 1,050 MHz 1,050 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 32,768 MB
Intel Core i7 6700HQ
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Intel Core i7 6500U
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Comments

Showing 2 comments.
Guest (10:42 AM, September 26, 2016)
HQ has 100% more power. In VR CPU and GPU are very important. The different is huge. 6500U is better for battery life. Even an A12-9700 from AMD outperforms your 6500U.
James (05:08 AM, September 19, 2016)
Nvidia recommends the i7 6700HQ for VR and I have the 6500U, I'm just wondering whether it would make that big of a difference in VR performance?
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