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Ryzen 7 5800X vs 3800XT


Description
The 5800X is based on Zen 3 architecture while the 3800XT is based on Zen 2.

Using the multithread performance as a reference, the 5800X gets a score of 558.4 k points while the 3800XT gets 508.9 k points.

Summarizing, the 5800X is 1.1 times faster than the 3800XT. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
a20f10
870f10
Core
Vermeer
Matisse
Architecture
Base frecuency
3.8 GHz
3.9 GHz
Boost frecuency
4.7 GHz
4.7 GHz
Socket
AM4
AM4
Cores/Threads
8/16
8/16
TDP
105 W
105 W
Cache L1 (d+i)
8x32+8x32 kB
8x32+8x32 kB
Cache L2
8x512 kB
8x512 kB
Cache L3
32768 kB
2x16384 kB
Date
November 2020
July 2020
Mean monothread perf.
89.07k points
78.2k points
Mean multithread perf.
558.42k points
508.89k 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
5800X
3800XT
Test#1 (Integers)
24.14k
17.57k (x0.73)
Test#2 (FP)
26.3k
27.38k (x1.04)
Test#3 (Generic, ZIP)
12.09k
9.35k (x0.77)
Test#1 (Memory)
26.54k
23.9k (x0.9)
TOTAL
89.07k
78.2k (x0.88)

Multithread

5800X

3800XT
Test#1 (Integers)
183.54k
176.08k (x0.96)
Test#2 (FP)
237.27k
219.88k (x0.93)
Test#3 (Generic, ZIP)
107.95k
100k (x0.93)
Test#1 (Memory)
29.66k
12.93k (x0.44)
TOTAL
558.42k
508.89k (x0.91)

Performance/W
5800X
3800XT
Test#1 (Integers)
1748 points/W
1677 points/W
Test#2 (FP)
2260 points/W
2094 points/W
Test#3 (Generic, ZIP)
1028 points/W
952 points/W
Test#1 (Memory)
282 points/W
123 points/W
TOTAL
5318 points/W
4847 points/W

Performance/GHz
5800X
3800XT
Test#1 (Integers)
5137 points/GHz
3738 points/GHz
Test#2 (FP)
5596 points/GHz
5827 points/GHz
Test#3 (Generic, ZIP)
2571 points/GHz
1989 points/GHz
Test#1 (Memory)
5646 points/GHz
5085 points/GHz
TOTAL
18951 points/GHz
16638 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