Core i7-8700k vs i5-6600K
Description
The i7-8700k is based on Coffee Lake architecture while the i5-6600K is based on Skylake.
Using the multithread performance as a reference, the i7-8700k gets a score of 443.8 k points while the i5-6600K gets 199.9 k points.
Summarizing, the i7-8700k is 2.2 times faster than the i5-6600K . To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i7-8700k gets a score of 443.8 k points while the i5-6600K gets 199.9 k points.
Summarizing, the i7-8700k is 2.2 times faster than the i5-6600K . To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
906ea
506e3
Core
Coffee Lake-S
Skylake-S
Base frecuency
3.7 GHz
3.5 GHz
Boost frecuency
4.7 GHz
3.9 GHz
Socket
LGA 1151
LGA 1151
Cores/Threads
6/12
4/4
TDP
95 W
95 W
Cache L1 (d+i)
6x32+6x32 kB
4x32+4x32 kB
Cache L2
6x256 kB
4x256 kB
Cache L3
12288 kB
6144 kB
Date
October 2017
May 2015
Mean monothread perf.
80.6k points
56.21k points
Mean multithread perf.
443.77k points
199.91k points
AVX optimized benchmark
The benchmark in mode II (AVX) is optimized to used 256 bits registers beside the first version of the Advanced Vector Extensions (AVX). The first AVX compatible CPU was released in 2011.
Monothread
i7-8700k
i5-6600K
Test#1 (Integers)
16.87k
17.24k (x1.02)
Test#2 (FP)
26.12k
26.5k (x1.01)
Test#3 (Generic, ZIP)
6.33k
6.45k (x1.02)
Test#1 (Memory)
13.71k
9.09k (x0.66)
TOTAL
63.03k
59.28k (x0.94)
Multithread
i7-8700k
i5-6600K
Test#1 (Integers)
105.74k
68.47k (x0.65)
Test#2 (FP)
180.52k
105.05k (x0.58)
Test#3 (Generic, ZIP)
44.99k
25.24k (x0.56)
Test#1 (Memory)
8.51k
10.5k (x1.23)
TOTAL
339.77k
209.28k (x0.62)
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
i7-8700k
i5-6600K
Test#1 (Integers)
31.2k
24.19k (x0.78)
Test#2 (FP)
27.82k
21.31k (x0.77)
Test#3 (Generic, ZIP)
6.57k
4.95k (x0.75)
Test#1 (Memory)
15k
5.75k (x0.38)
TOTAL
80.6k
56.21k (x0.7)
Multithread
i7-8700k
i5-6600K
Test#1 (Integers)
202.42k
93.15k (x0.46)
Test#2 (FP)
186.33k
81.18k (x0.44)
Test#3 (Generic, ZIP)
44.96k
18.29k (x0.41)
Test#1 (Memory)
10.05k
7.29k (x0.72)
TOTAL
443.77k
199.91k (x0.45)
Performance/W
i7-8700k
i5-6600K
Test#1 (Integers)
2131 points/W
981 points/W
Test#2 (FP)
1961 points/W
855 points/W
Test#3 (Generic, ZIP)
473 points/W
193 points/W
Test#1 (Memory)
106 points/W
77 points/W
TOTAL
4671 points/W
2104 points/W
Performance/GHz
i7-8700k
i5-6600K
Test#1 (Integers)
6639 points/GHz
6203 points/GHz
Test#2 (FP)
5919 points/GHz
5463 points/GHz
Test#3 (Generic, ZIP)
1397 points/GHz
1270 points/GHz
Test#1 (Memory)
3192 points/GHz
1475 points/GHz
TOTAL
17148 points/GHz
14412 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