Ryzen 7 3900X vs Core i7-8700
Both Ryzen 7 3900X and Core i7-8700 have an identical monothread performance although their multithread performance are quite different. These two models were released just two years apart which could explain their performance similarity in monothread performance.
Comparison
Specs
Ryzen 7 3900X
Core i7-8700
Base frequency
3800 MHz
3200 MHz
Boost frequency
4600 MHz
4600 MHz
Half load boost frequency
-
4500 MHz
Socket
AM4
LGA 1151
Cores
12
6
Threads
24
12
TDP
105 W
65 W
L1 cache
12x32+12x32 kb
6x32+6x32 kb
L2 cache
12x512 kb
6x256 kb
L3 cache
4x16384 kb
12288 kb
Proccess
0,007 um
0,014 um
Core
Matisse
Coffee Lake-S
Architecture
Zen 2
Coffee Lake
Release date
7/2019
10/2017
Monothread performance
Mode 0 [FPU]
N/A
42444 [+100%]
Mode III [AVX2]
75814
75476 [-0.45%]
Mode II [AVX]
N/A
61291 [+100%]
Mode I [SSE3]
N/A
60250 [+100%]
Multithread performance
Mode 0 [FPU]
N/A
209719 [+100%]
Mode III [AVX2]
868316
406447 [-113.64%]
Mode II [AVX]
N/A
331768 [+100%]
Mode I [SSE3]
N/A
319662 [+100%]
Stats
Perf per MHz Mode 0
N/A
9.23
Perf per MHz Mode III
16.48
16.41 [-0.43%]
Perf per watt Mode 0
N/A
3226.45
Perf per watt Mode III
8269.68
6253.03 [-32.25%]
Hardlimit Benchmark Central - Ver. 2.4.5