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Core i5-8400 vs Ryzen 5 3400G


Description
The i5-8400 is based on Coffee Lake architecture while the 3400G is based on Zen+.

Using the multithread performance as a reference, the i5-8400 gets a score of 289.6 k points while the 3400G gets 200.3 k points.

Summarizing, the i5-8400 is 1.4 times faster than the 3400G. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ea
810f81
Core
Coffee Lake-S
Picasso
Architecture
Base frecuency
2.8 GHz
3.7 GHz
Boost frecuency
4 GHz
4.2 GHz
Socket
LGA 1151
AM4
Cores/Threads
6/6
4/8
TDP
65 W
65 W
Cache L1 (d+i)
6x32+6x32 kB
4x64+4x32 kB
Cache L2
6x256 kB
4x512 kB
Cache L3
9216 kB
4096 kB
Date
September 2017
July 2019
Mean monothread perf.
64.98k points
50.25k points
Mean multithread perf.
289.61k points
200.34k 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
i5-8400
3400G
Test#1 (Integers)
26.5k
14.58k (x0.55)
Test#2 (FP)
23.11k
23.98k (x1.04)
Test#3 (Generic, ZIP)
5.2k
5.35k (x1.03)
Test#1 (Memory)
10.16k
6.34k (x0.62)
TOTAL
64.98k
50.25k (x0.77)

Multithread

i5-8400

3400G
Test#1 (Integers)
135.08k
57.37k (x0.42)
Test#2 (FP)
121.49k
107.03k (x0.88)
Test#3 (Generic, ZIP)
27.53k
28.9k (x1.05)
Test#1 (Memory)
5.5k
7.05k (x1.28)
TOTAL
289.61k
200.34k (x0.69)

Performance/W
i5-8400
3400G
Test#1 (Integers)
2078 points/W
883 points/W
Test#2 (FP)
1869 points/W
1647 points/W
Test#3 (Generic, ZIP)
424 points/W
445 points/W
Test#1 (Memory)
85 points/W
108 points/W
TOTAL
4455 points/W
3082 points/W

Performance/GHz
i5-8400
3400G
Test#1 (Integers)
6626 points/GHz
3471 points/GHz
Test#2 (FP)
5778 points/GHz
5710 points/GHz
Test#3 (Generic, ZIP)
1300 points/GHz
1275 points/GHz
Test#1 (Memory)
2541 points/GHz
1509 points/GHz
TOTAL
16245 points/GHz
11965 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