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Core i7-7700HQ vs i7-6900K


Description
The i7-7700HQ is based on Kaby Lake architecture while the i7-6900K is based on Broadwell.

Using the multithread performance as a reference, the i7-7700HQ gets a score of 208.3 k points while the i7-6900K gets 427.5 k points.

Summarizing, the i7-6900K is 2.1 times faster than the i7-7700HQ. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906e9
406f1
Core
Kaby Lake-H
Broadwell-E
Architecture
Base frecuency
2.8 GHz
3.2 GHz
Boost frecuency
3.8 GHz
3.7 GHz
Socket
BGA1440
LGA 2011-3
Cores/Threads
4/8
8/16
TDP
45 W
140 W
Cache L1 (d+i)
4x32+4x32 kB
8x32+8x32 kB
Cache L2
4x256 kB
8x256 kB
Cache L3
6144 kB
20480 kB
Date
January 2017
September 2016
Mean monothread perf.
56.29k points
49.76k points
Mean multithread perf.
208.33k points
427.51k points

AVX2 optimized benchmark
The benchmark in mode III (AVX2), like AVX1, is optimized to used 256 bits registers beside the second version of the Advanced Vector Extensions (AVX). The first AVX2 compatible CPU was released in 2013.
Monothread
i7-7700HQ
i7-6900K
Test#1 (Integers)
23.27k
23.11k (x0.99)
Test#2 (FP)
20.35k
17.84k (x0.88)
Test#3 (Generic, ZIP)
4.76k
5.34k (x1.12)
Test#1 (Memory)
7.92k
3.47k (x0.44)
TOTAL
56.29k
49.76k (x0.88)

Multithread

i7-7700HQ

i7-6900K
Test#1 (Integers)
93.11k
184.19k (x1.98)
Test#2 (FP)
89.03k
181.2k (x2.04)
Test#3 (Generic, ZIP)
21.29k
47.44k (x2.23)
Test#1 (Memory)
4.9k
14.69k (x3)
TOTAL
208.33k
427.51k (x2.05)

Performance/W
i7-7700HQ
i7-6900K
Test#1 (Integers)
2069 points/W
1316 points/W
Test#2 (FP)
1978 points/W
1294 points/W
Test#3 (Generic, ZIP)
473 points/W
339 points/W
Test#1 (Memory)
109 points/W
105 points/W
TOTAL
4629 points/W
3054 points/W

Performance/GHz
i7-7700HQ
i7-6900K
Test#1 (Integers)
6124 points/GHz
6247 points/GHz
Test#2 (FP)
5354 points/GHz
4822 points/GHz
Test#3 (Generic, ZIP)
1251 points/GHz
1444 points/GHz
Test#1 (Memory)
2083 points/GHz
938 points/GHz
TOTAL
14813 points/GHz
13450 points/GHz

Monothread performance graph
Monothread performance graphics gives the performance vs time. They are useful to measure the time it takes to the CPU to reach the maximum performance.

Usually, CPU's performance will be steady during these tests but if it has a slow frequency strategy, the first samples will show a lower score.


Test#1 (Integers) [points vs time]

grafica bm.hardlimit.com


Test#2 (FP) [points vs time]

grafica bm.hardlimit.com


Test#3 (Generic, ZIP) [points vs time]

grafica bm.hardlimit.com


Test#1 (Memory) [points vs time]

grafica bm.hardlimit.com

Multithread performance graph
Multithread graphs measure the performance against a heavy load during certain time.

If CPU's TDP doesn't limit the frequency and the machine is properly cooled, performance should remain steady vs time. Otherwise, the performance score will oscillate or decrease over time.


Test#1 (Integers) [points vs time]

grafica bm.hardlimit.com


Test#2 (FP) [points vs time]

grafica bm.hardlimit.com


Test#3 (Generic, ZIP) [points vs time]

grafica bm.hardlimit.com


Test#1 (Memory) [points vs time]

grafica bm.hardlimit.com

Hardlimit Benchmark Central - Ver. 3.11.4