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Core i5-9600KF vs Ryzen 9 3950X


Description
The i5-9600KF is based on Coffee Lake architecture while the 3950X is based on Zen 2.

Using the multithread performance as a reference, the i5-9600KF gets a score of 371.1 k points while the 3950X gets 959.8 k points.

Summarizing, the 3950X is 2.6 times faster than the i5-9600KF. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ec
870f10
Core
Coffee Lake-S
Matisse
Architecture
Base frecuency
3.7 GHz
3.5 GHz
Boost frecuency
4.6 GHz
4.7 GHz
Socket
LGA 1151
AM4
Cores/Threads
6/6
16/32
TDP
95 W
105 W
Cache L1 (d+i)
6x32+6x32 kB
16x32+16x32 kB
Cache L2
6x256 kB
16x512 kB
Cache L3
9216 kB
4x16384 kB
Date
January 2019
November 2019
Mean monothread perf.
77.34k points
72.95k points
Mean multithread perf.
371.08k points
959.77k 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
i5-9600KF
3950X
Test#1 (Integers)
30.52k
16.49k (x0.54)
Test#2 (FP)
26.54k
26.16k (x0.99)
Test#3 (Generic, ZIP)
6.41k
7.9k (x1.23)
Test#1 (Memory)
13.87k
22.4k (x1.61)
TOTAL
77.34k
72.95k (x0.94)

Multithread

i5-9600KF

3950X
Test#1 (Integers)
174.66k
334.49k (x1.92)
Test#2 (FP)
154.06k
423.74k (x2.75)
Test#3 (Generic, ZIP)
34.11k
187.85k (x5.51)
Test#1 (Memory)
8.24k
13.69k (x1.66)
TOTAL
371.08k
959.77k (x2.59)

Performance/W
i5-9600KF
3950X
Test#1 (Integers)
1839 points/W
3186 points/W
Test#2 (FP)
1622 points/W
4036 points/W
Test#3 (Generic, ZIP)
359 points/W
1789 points/W
Test#1 (Memory)
87 points/W
130 points/W
TOTAL
3906 points/W
9141 points/W

Performance/GHz
i5-9600KF
3950X
Test#1 (Integers)
6635 points/GHz
3509 points/GHz
Test#2 (FP)
5769 points/GHz
5566 points/GHz
Test#3 (Generic, ZIP)
1394 points/GHz
1681 points/GHz
Test#1 (Memory)
3015 points/GHz
4765 points/GHz
TOTAL
16813 points/GHz
15522 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