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Core i5-10400F vs Ryzen 7 3800X


Description
The i5-10400F is based on Comet Lake architecture while the 3800X is based on Zen 2.

Using the multithread performance as a reference, the i5-10400F gets a score of 369 k points while the 3800X gets 497.7 k points.

Summarizing, the 3800X is 1.3 times faster than the i5-10400F. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
a0653
870f10
Core
Comet Lake-S
Matisse
Architecture
Base frecuency
2.9 GHz
3.9 GHz
Boost frecuency
4.3 GHz
4.5 GHz
Socket
LGA 1200
AM4
Cores/Threads
6/12
8/16
TDP
65 W
105 W
Cache L1 (d+i)
6x32+6x32 kB
8x32+8x32 kB
Cache L2
6x256 kB
8x512 kB
Cache L3
12288 kB
32768 kB
Date
April 2020
July 2019
Mean monothread perf.
68.02k points
75.81k points
Mean multithread perf.
369.01k points
497.74k 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
i5-10400F
3800X
Test#1 (Integers)
4.3k
4.47k (x1.04)
Test#2 (FP)
16.56k
17.41k (x1.05)
Test#3 (Generic, ZIP)
5.25k
8.23k (x1.57)
Test#1 (Memory)
12.61k
25.15k (x1.99)
TOTAL
38.72k
55.26k (x1.43)

Multithread

i5-10400F

3800X
Test#1 (Integers)
18.1k
36.1k (x1.99)
Test#2 (FP)
79.16k
178.65k (x2.26)
Test#3 (Generic, ZIP)
26.75k
95.98k (x3.59)
Test#1 (Memory)
13.81k
16.03k (x1.16)
TOTAL
137.82k
326.76k (x2.37)

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
i5-10400F
3800X
Test#1 (Integers)
26.29k
17.1k (x0.65)
Test#2 (FP)
23.38k
26.59k (x1.14)
Test#3 (Generic, ZIP)
5.51k
8.91k (x1.62)
Test#1 (Memory)
12.84k
23.21k (x1.81)
TOTAL
68.02k
75.81k (x1.11)

Multithread

i5-10400F

3800X
Test#1 (Integers)
163.37k
172.04k (x1.05)
Test#2 (FP)
159.38k
214.03k (x1.34)
Test#3 (Generic, ZIP)
38.87k
97.1k (x2.5)
Test#1 (Memory)
7.39k
14.57k (x1.97)
TOTAL
369.01k
497.74k (x1.35)

Performance/W
i5-10400F
3800X
Test#1 (Integers)
2513 points/W
1638 points/W
Test#2 (FP)
2452 points/W
2038 points/W
Test#3 (Generic, ZIP)
598 points/W
925 points/W
Test#1 (Memory)
114 points/W
139 points/W
TOTAL
5677 points/W
4740 points/W

Performance/GHz
i5-10400F
3800X
Test#1 (Integers)
6113 points/GHz
3799 points/GHz
Test#2 (FP)
5437 points/GHz
5909 points/GHz
Test#3 (Generic, ZIP)
1282 points/GHz
1981 points/GHz
Test#1 (Memory)
2987 points/GHz
5158 points/GHz
TOTAL
15819 points/GHz
16847 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