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Core i5-8500 vs i5-10400


Description
The i5-8500 is based on Coffee Lake architecture while the i5-10400 is based on Comet Lake.

Using the multithread performance as a reference, the i5-8500 gets a score of 307.5 k points while the i5-10400 gets 372.2 k points.

Summarizing, the i5-10400 is 1.2 times faster than the i5-8500. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ea
a0655
Core
Coffee Lake-S
Comet Lake-S
Architecture
Base frecuency
3 GHz
2.9 GHz
Boost frecuency
4.1 GHz
4.3 GHz
Socket
LGA 1151
LGA 1200
Cores/Threads
6/6
6/12
TDP
65 W
65 W
Cache L1 (d+i)
6x32+6x32 kB
6x32+6x32 kB
Cache L2
6x256 kB
6x256 kB
Cache L3
9216 kB
12288 kB
Date
March 2018
April 2020
Mean monothread perf.
69.09k points
68.04k points
Mean multithread perf.
307.52k points
372.19k 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
i5-8500
i5-10400
Test#1 (Integers)
27.36k
26.43k (x0.97)
Test#2 (FP)
24.27k
23.89k (x0.98)
Test#3 (Generic, ZIP)
5.69k
5.63k (x0.99)
Test#1 (Memory)
11.77k
12.1k (x1.03)
TOTAL
69.09k
68.04k (x0.98)

Multithread

i5-8500

i5-10400
Test#1 (Integers)
144.77k
163.14k (x1.13)
Test#2 (FP)
129.04k
161.5k (x1.25)
Test#3 (Generic, ZIP)
29.53k
39.94k (x1.35)
Test#1 (Memory)
4.18k
7.6k (x1.82)
TOTAL
307.52k
372.19k (x1.21)

Performance/W
i5-8500
i5-10400
Test#1 (Integers)
2227 points/W
2510 points/W
Test#2 (FP)
1985 points/W
2485 points/W
Test#3 (Generic, ZIP)
454 points/W
615 points/W
Test#1 (Memory)
64 points/W
117 points/W
TOTAL
4731 points/W
5726 points/W

Performance/GHz
i5-8500
i5-10400
Test#1 (Integers)
6673 points/GHz
6146 points/GHz
Test#2 (FP)
5920 points/GHz
5555 points/GHz
Test#3 (Generic, ZIP)
1388 points/GHz
1309 points/GHz
Test#1 (Memory)
2870 points/GHz
2814 points/GHz
TOTAL
16850 points/GHz
15824 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