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Core i5-8400H vs Ryzen 3 5300U


Description
The i5-8400H is based on Coffee Lake architecture while the 5300U is based on Zen 2.

Using the multithread performance as a reference, the i5-8400H gets a score of 195.9 k points while the 5300U gets 198.4 k points.

Summarizing, the 5300U is 1 times faster than the i5-8400H. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ea
860f81
Core
Coffee Lake-H
Lucienne
Architecture
Base frecuency
2.5 GHz
2.6 GHz
Boost frecuency
4.2 GHz
3.8 GHz
Socket
BGA 1440
BGA-FP6
Cores/Threads
4/8
4/8
TDP
45 W
15 W
Cache L1 (d+i)
4x32+4x32 kB
4x32+4x32 kB
Cache L2
4x256 kB
4x512 kB
Cache L3
8192 kB
4096 kB
Date
April 2018
January 2021
Mean monothread perf.
67.06k points
52.35k points
Mean multithread perf.
195.94k points
198.38k 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
i5-8400H
5300U
Test#1 (Integers)
26.51k
15.09k (x0.57)
Test#2 (FP)
23.61k
23.74k (x1.01)
Test#3 (Generic, ZIP)
5.17k
8.32k (x1.61)
Test#1 (Memory)
11.76k
5.19k (x0.44)
TOTAL
67.06k
52.35k (x0.78)

Multithread

i5-8400H

5300U
Test#1 (Integers)
85.52k
67k (x0.78)
Test#2 (FP)
84.4k
89.94k (x1.07)
Test#3 (Generic, ZIP)
19.19k
36.84k (x1.92)
Test#1 (Memory)
6.83k
4.6k (x0.67)
TOTAL
195.94k
198.38k (x1.01)

Performance/W
i5-8400H
5300U
Test#1 (Integers)
1901 points/W
4467 points/W
Test#2 (FP)
1875 points/W
5996 points/W
Test#3 (Generic, ZIP)
426 points/W
2456 points/W
Test#1 (Memory)
152 points/W
307 points/W
TOTAL
4354 points/W
13226 points/W

Performance/GHz
i5-8400H
5300U
Test#1 (Integers)
6313 points/GHz
3972 points/GHz
Test#2 (FP)
5622 points/GHz
6246 points/GHz
Test#3 (Generic, ZIP)
1232 points/GHz
2190 points/GHz
Test#1 (Memory)
2800 points/GHz
1367 points/GHz
TOTAL
15967 points/GHz
13775 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