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Ryzen 3 5300U vs Ryzen 9 3950X


Description
Both models 5300U and 3950X are based on Zen 2 architecture.

Zen 2 is fabricated on the 7nm process from TSMC and it’s the third generation of Zen CPUs. It comes with 64kB of L1 cache and 512kB of L2 cache per core. Zen 2 CPUs are divided into 3 categories: Matisse (desktop), Rome (Server) and Castle Peak (high-end desktop).

Using the multithread performance as a reference, the 5300U gets a score of 198.4 k points while the 3950X gets 959.8 k points.

Summarizing, the 3950X is 4.8 times faster than the 5300U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
860f81
870f10
Core
Lucienne
Matisse
Architecture
Base frecuency
2.6 GHz
3.5 GHz
Boost frecuency
3.8 GHz
4.7 GHz
Socket
BGA-FP6
AM4
Cores/Threads
4/8
16/32
TDP
15 W
105 W
Cache L1 (d+i)
4x32+4x32 kB
16x32+16x32 kB
Cache L2
4x512 kB
16x512 kB
Cache L3
4096 kB
4x16384 kB
Date
January 2021
November 2019
Mean monothread perf.
52.35k points
72.95k points
Mean multithread perf.
198.38k 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
5300U
3950X
Test#1 (Integers)
15.09k
16.49k (x1.09)
Test#2 (FP)
23.74k
26.16k (x1.1)
Test#3 (Generic, ZIP)
8.32k
7.9k (x0.95)
Test#1 (Memory)
5.19k
22.4k (x4.31)
TOTAL
52.35k
72.95k (x1.39)

Multithread

5300U

3950X
Test#1 (Integers)
67k
334.49k (x4.99)
Test#2 (FP)
89.94k
423.74k (x4.71)
Test#3 (Generic, ZIP)
36.84k
187.85k (x5.1)
Test#1 (Memory)
4.6k
13.69k (x2.98)
TOTAL
198.38k
959.77k (x4.84)

Performance/W
5300U
3950X
Test#1 (Integers)
4467 points/W
3186 points/W
Test#2 (FP)
5996 points/W
4036 points/W
Test#3 (Generic, ZIP)
2456 points/W
1789 points/W
Test#1 (Memory)
307 points/W
130 points/W
TOTAL
13226 points/W
9141 points/W

Performance/GHz
5300U
3950X
Test#1 (Integers)
3972 points/GHz
3509 points/GHz
Test#2 (FP)
6246 points/GHz
5566 points/GHz
Test#3 (Generic, ZIP)
2190 points/GHz
1681 points/GHz
Test#1 (Memory)
1367 points/GHz
4765 points/GHz
TOTAL
13775 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