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Core i9-9900KF vs Ryzen 7 5800X


Description
The i9-9900KF is based on Coffee Lake architecture while the 5800X is based on Zen 3.

Using the multithread performance as a reference, the i9-9900KF gets a score of 592.9 k points while the 5800X gets 558.4 k points.

Summarizing, the i9-9900KF is 1.1 times faster than the 5800X. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ed
a20f10
Core
Coffee Lake-S
Vermeer
Architecture
Base frecuency
3.6 GHz
3.8 GHz
Boost frecuency
5 GHz
4.7 GHz
Socket
LGA 1151
AM4
Cores/Threads
8/16
8/16
TDP
95 W
105 W
Cache L1 (d+i)
8x32+8x32 kB
8x32+8x32 kB
Cache L2
8x256 kB
8x512 kB
Cache L3
16386 kB
32768 kB
Date
January 2019
November 2020
Mean monothread perf.
84.54k points
89.07k points
Mean multithread perf.
592.86k points
558.42k 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
i9-9900KF
5800X
Test#1 (Integers)
33.03k
24.14k (x0.73)
Test#2 (FP)
29.52k
26.3k (x0.89)
Test#3 (Generic, ZIP)
6.55k
12.09k (x1.85)
Test#1 (Memory)
15.45k
26.54k (x1.72)
TOTAL
84.54k
89.07k (x1.05)

Multithread

i9-9900KF

5800X
Test#1 (Integers)
276.22k
183.54k (x0.66)
Test#2 (FP)
250.61k
237.27k (x0.95)
Test#3 (Generic, ZIP)
57.2k
107.95k (x1.89)
Test#1 (Memory)
8.84k
29.66k (x3.36)
TOTAL
592.86k
558.42k (x0.94)

Performance/W
i9-9900KF
5800X
Test#1 (Integers)
2908 points/W
1748 points/W
Test#2 (FP)
2638 points/W
2260 points/W
Test#3 (Generic, ZIP)
602 points/W
1028 points/W
Test#1 (Memory)
93 points/W
282 points/W
TOTAL
6241 points/W
5318 points/W

Performance/GHz
i9-9900KF
5800X
Test#1 (Integers)
6605 points/GHz
5137 points/GHz
Test#2 (FP)
5904 points/GHz
5596 points/GHz
Test#3 (Generic, ZIP)
1309 points/GHz
2571 points/GHz
Test#1 (Memory)
3090 points/GHz
5646 points/GHz
TOTAL
16909 points/GHz
18951 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