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Core i7-8700k vs Ryzen 5 2600X


Description
The i7-8700k is based on Coffee Lake architecture while the 2600X is based on Zen+.

Using the multithread performance as a reference, the i7-8700k gets a score of 443.8 k points while the 2600X gets 337.3 k points.

Summarizing, the i7-8700k is 1.3 times faster than the 2600X. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ea
800f82
Core
Coffee Lake-S
Pinnacle Ridge
Architecture
Base frecuency
3.7 GHz
3.6 GHz
Boost frecuency
4.7 GHz
4.2 GHz
Socket
LGA 1151
AM4
Cores/Threads
6/12
6/12
TDP
95 W
95 W
Cache L1 (d+i)
6x32+6x32 kB
6x64+6x32 kB
Cache L2
6x256 kB
6x512 kB
Cache L3
12288 kB
2x8192 kB
Date
October 2017
April 2018

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
2600X
Test#1 (Integers)
31204
15854 (-49.19%)
Test#2 (FP)
27821
26405 (-5.09%)
Test#3 (Generic, ZIP)
6568
5936 (-9.62%)
Test#1 (Memory)
15004
18923 (26.11%)
TOTAL
80598
67117 (-16.73%)

Multithread

i7-8700k

2600X
Test#1 (Integers)
202422
95525 (-52.81%)
Test#2 (FP)
186332
184495 (-0.99%)
Test#3 (Generic, ZIP)
44958
46582 (3.61%)
Test#1 (Memory)
10054
10675 (6.18%)
TOTAL
443765
337277 (-24.00%)

Performance/W
i7-8700k
2600X
Test#1 (Integers)
2131 points/W
1006 points/W
Test#2 (FP)
1961 points/W
1942 points/W
Test#3 (Generic, ZIP)
473 points/W
490 points/W
Test#1 (Memory)
106 points/W
112 points/W
TOTAL
4671 points/W
3550 points/W

Performance/GHz
i7-8700k
2600X
Test#1 (Integers)
6639 points/GHz
3775 points/GHz
Test#2 (FP)
5919 points/GHz
6287 points/GHz
Test#3 (Generic, ZIP)
1397 points/GHz
1413 points/GHz
Test#1 (Memory)
3192 points/GHz
4505 points/GHz
TOTAL
17148 points/GHz
15980 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. 3.7.9