Core i7-6700K vs i7-6900K
Description
The i7-6700K is based on Skylake architecture while the i7-6900K is based on Broadwell.
Using the multithread performance as a reference, the i7-6700K gets a score of 254.6 k points while the i7-6900K gets 427.5 k points.
Summarizing, the i7-6900K is 1.7 times faster than the i7-6700K . To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i7-6700K gets a score of 254.6 k points while the i7-6900K gets 427.5 k points.
Summarizing, the i7-6900K is 1.7 times faster than the i7-6700K . To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
506e3
406f1
Core
Skylake-S
Broadwell-E
Base frecuency
4 GHz
3.2 GHz
Boost frecuency
4.2 GHz
3.7 GHz
Socket
LGA 1151
LGA 2011-3
Cores/Threads
4/8
8/16
TDP
95 W
140 W
Cache L1 (d+i)
4x32+4x32 kB
8x32+8x32 kB
Cache L2
256 kB
8x256 kB
Cache L3
8192 kB
20480 kB
Date
May 2015
September 2016
Mean monothread perf.
63.22k points
49.76k points
Mean multithread perf.
254.56k 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
i7-6700K
i7-6900K
Test#1 (Integers)
25.78k
23.11k (x0.9)
Test#2 (FP)
23.08k
17.84k (x0.77)
Test#3 (Generic, ZIP)
5.32k
5.34k (x1)
Test#1 (Memory)
9.03k
3.47k (x0.38)
TOTAL
63.22k
49.76k (x0.79)
Multithread
i7-6700K
i7-6900K
Test#1 (Integers)
112.83k
184.19k (x1.63)
Test#2 (FP)
106.86k
181.2k (x1.7)
Test#3 (Generic, ZIP)
25.76k
47.44k (x1.84)
Test#1 (Memory)
9.12k
14.69k (x1.61)
TOTAL
254.56k
427.51k (x1.68)
Performance/W
i7-6700K
i7-6900K
Test#1 (Integers)
1188 points/W
1316 points/W
Test#2 (FP)
1125 points/W
1294 points/W
Test#3 (Generic, ZIP)
271 points/W
339 points/W
Test#1 (Memory)
96 points/W
105 points/W
TOTAL
2680 points/W
3054 points/W
Performance/GHz
i7-6700K
i7-6900K
Test#1 (Integers)
6139 points/GHz
6247 points/GHz
Test#2 (FP)
5495 points/GHz
4822 points/GHz
Test#3 (Generic, ZIP)
1268 points/GHz
1444 points/GHz
Test#1 (Memory)
2150 points/GHz
938 points/GHz
TOTAL
15052 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.
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]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
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.
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]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
Hardlimit Benchmark Central - Ver. 3.11.4