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Ryzen 9 3900X vs Core i5-9300H


Description
The 3900X is based on Zen 2 architecture while the i5-9300H is based on Coffee Lake.

Using the multithread performance as a reference, the 3900X gets a score of 756.3 k points while the i5-9300H gets 244.1 k points.

Summarizing, the 3900X is 3.1 times faster than the i5-9300H. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
870f10
906ea
Core
Matisse
Coffee Lake-H
Architecture
Base frecuency
3.8 GHz
2.4 GHz
Boost frecuency
4.6 GHz
4.1 GHz
Socket
AM4
FCBGA1440
Cores/Threads
12/24
4/8
TDP
105 W
45 W
Cache L1 (d+i)
12x32+12x32 kB
4x32+4x32 kB
Cache L2
12x512 kB
4x256 kB
Cache L3
4x16384 kB
8192 kB
Date
July 2019
April 2019
Mean monothread perf.
72.51k points
67.57k points
Mean multithread perf.
756.3k points
244.1k points

Non-optimized benchmark
The benchmark in Mode 0 (FPU) measures cpu performance with non-optimized software. It uses the basic µinstructions from the i386 architecture with the i387 floating point unit. This mode is compatible with all CPUs so it's practical to compare very different CPUs
Monothread
3900X
i5-9300H
Test#1 (Integers)
4.46k
3.38k (x0.76)
Test#2 (FP)
18.46k
12.84k (x0.7)
Test#3 (Generic, ZIP)
8.05k
4.6k (x0.57)
Test#1 (Memory)
23.71k
6.23k (x0.26)
TOTAL
54.68k
27.05k (x0.49)

Multithread

3900X

i5-9300H
Test#1 (Integers)
52.65k
11.6k (x0.22)
Test#2 (FP)
265.41k
48.01k (x0.18)
Test#3 (Generic, ZIP)
140.78k
17.05k (x0.12)
Test#1 (Memory)
46.91k
3.88k (x0.08)
TOTAL
505.76k
80.54k (x0.16)

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
3900X
i5-9300H
Test#1 (Integers)
16.73k
26.62k (x1.59)
Test#2 (FP)
24.74k
23.38k (x0.95)
Test#3 (Generic, ZIP)
8.82k
5.52k (x0.63)
Test#1 (Memory)
22.22k
12.05k (x0.54)
TOTAL
72.51k
67.57k (x0.93)

Multithread

3900X

i5-9300H
Test#1 (Integers)
248.24k
107.95k (x0.43)
Test#2 (FP)
309.66k
104.02k (x0.34)
Test#3 (Generic, ZIP)
140.01k
24.4k (x0.17)
Test#1 (Memory)
58.39k
7.74k (x0.13)
TOTAL
756.3k
244.1k (x0.32)

Performance/W
3900X
i5-9300H
Test#1 (Integers)
2364 points/W
2399 points/W
Test#2 (FP)
2949 points/W
2312 points/W
Test#3 (Generic, ZIP)
1333 points/W
542 points/W
Test#1 (Memory)
556 points/W
172 points/W
TOTAL
7203 points/W
5424 points/W

Performance/GHz
3900X
i5-9300H
Test#1 (Integers)
3638 points/GHz
6493 points/GHz
Test#2 (FP)
5377 points/GHz
5703 points/GHz
Test#3 (Generic, ZIP)
1917 points/GHz
1346 points/GHz
Test#1 (Memory)
4831 points/GHz
2938 points/GHz
TOTAL
15763 points/GHz
16480 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