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Ryzen 9 3900 vs Core i9-10900X


Description
The 3900 is based on Zen 2 architecture while the i9-10900X is based on Cascade Lake.

Using the multithread performance as a reference, the 3900 gets a score of 687.5 k points while the i9-10900X gets 632.4 k points.

Summarizing, the 3900 is 1.1 times faster than the i9-10900X. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
870f10
50657
Core
Matisse
Cascade Lake-X
Architecture
Base frecuency
3.1 GHz
3.7 GHz
Boost frecuency
4.3 GHz
4.7 GHz
Socket
AM4
LGA 2066
Cores/Threads
12/24
10/20
TDP
65 W
165 W
Cache L1 (d+i)
12x32+12x32 kB
10x32+10x32 kB
Cache L2
12x512 kB
10x1024 kB
Cache L3
4x16384 kB
19712 kB
Date
September 2019
November 2019
Mean monothread perf.
74.97k points
62.28k points
Mean multithread perf.
687.5k points
632.35k 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
3900
i9-10900X
Test#1 (Integers)
16.85k
25.97k (x1.54)
Test#2 (FP)
26.03k
22.37k (x0.86)
Test#3 (Generic, ZIP)
9.54k
5.3k (x0.56)
Test#1 (Memory)
22.55k
8.63k (x0.38)
TOTAL
74.97k
62.28k (x0.83)

Multithread

3900

i9-10900X
Test#1 (Integers)
229.41k
281.98k (x1.23)
Test#2 (FP)
292.81k
259.01k (x0.88)
Test#3 (Generic, ZIP)
128.48k
64.87k (x0.5)
Test#1 (Memory)
36.8k
26.5k (x0.72)
TOTAL
687.5k
632.35k (x0.92)

Performance/W
3900
i9-10900X
Test#1 (Integers)
3529 points/W
1709 points/W
Test#2 (FP)
4505 points/W
1570 points/W
Test#3 (Generic, ZIP)
1977 points/W
393 points/W
Test#1 (Memory)
566 points/W
161 points/W
TOTAL
10577 points/W
3832 points/W

Performance/GHz
3900
i9-10900X
Test#1 (Integers)
3920 points/GHz
5526 points/GHz
Test#2 (FP)
6054 points/GHz
4760 points/GHz
Test#3 (Generic, ZIP)
2218 points/GHz
1128 points/GHz
Test#1 (Memory)
5243 points/GHz
1835 points/GHz
TOTAL
17435 points/GHz
13250 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