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Ryzen 5 5500U vs Ryzen 9 5900X


Description
The 5500U is based on Zen 2 architecture while the 5900X is based on Zen 3.

Using the multithread performance as a reference, the 5500U gets a score of 261.9 k points while the 5900X gets 814.7 k points.

Summarizing, the 5900X is 3.1 times faster than the 5500U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
860f81
a20f12
Core
Lucienne
Vermeer
Architecture
Base frecuency
2.1 GHz
3.7 GHz
Boost frecuency
4 GHz
4.8 GHz
Socket
BGA 1140
AM4
Cores/Threads
6/12
12/24
TDP
15 W
105 W
Cache L1 (d+i)
6x32+6x32 kB
12x32+12x32 kB
Cache L2
6x512 kB
12x512 kB
Cache L3
2x4096 kB
2x32768 kB
Date
March 2021
November 2020
Mean monothread perf.
53.76k points
83.5k points
Mean multithread perf.
261.91k points
814.74k 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
5500U
5900X
Test#1 (Integers)
15.63k
22.6k (x1.45)
Test#2 (FP)
23k
24.85k (x1.08)
Test#3 (Generic, ZIP)
8.62k
11.25k (x1.3)
Test#1 (Memory)
6.51k
24.8k (x3.81)
TOTAL
53.76k
83.5k (x1.55)

Multithread

5500U

5900X
Test#1 (Integers)
90.38k
258.21k (x2.86)
Test#2 (FP)
118.74k
342.24k (x2.88)
Test#3 (Generic, ZIP)
48.39k
155.3k (x3.21)
Test#1 (Memory)
4.4k
59k (x13.4)
TOTAL
261.91k
814.74k (x3.11)

Performance/W
5500U
5900X
Test#1 (Integers)
6025 points/W
2459 points/W
Test#2 (FP)
7916 points/W
3259 points/W
Test#3 (Generic, ZIP)
3226 points/W
1479 points/W
Test#1 (Memory)
294 points/W
562 points/W
TOTAL
17461 points/W
7759 points/W

Performance/GHz
5500U
5900X
Test#1 (Integers)
3908 points/GHz
4709 points/GHz
Test#2 (FP)
5750 points/GHz
5177 points/GHz
Test#3 (Generic, ZIP)
2156 points/GHz
2343 points/GHz
Test#1 (Memory)
1628 points/GHz
5167 points/GHz
TOTAL
13441 points/GHz
17396 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