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Core i5-10400 vs i3-1215U


Description
The i5-10400 is based on Comet Lake architecture while the i3-1215U is based on Alder Lake.

Using the multithread performance as a reference, the i5-10400 gets a score of 372.2 k points while the i3-1215U gets 185.6 k points.

Summarizing, the i5-10400 is 2 times faster than the i3-1215U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
a0655
906a4
Core
Comet Lake-S
Alder Lake-H
Architecture
Base frecuency
2.9 GHz
0.9 GHz
Boost frecuency
4.3 GHz
4.4 GHz
Socket
LGA 1200
BGA 1744
Cores/Threads
6/12
6/8
TDP
65 W
15 W
Cache L1 (d+i)
6x32+6x32 kB
2x32/4x64+2x48/4x32 kB
Cache L2
6x256 kB
2x1280+2x2048 kB
Cache L3
12288 kB
10240 kB
Date
April 2020
April 2022
Mean monothread perf.
68.04k points
80.34k points
Mean multithread perf.
372.19k points
185.6k 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
i5-10400
i3-1215U
Test#1 (Integers)
26.43k
37.56k (x1.42)
Test#2 (FP)
23.89k
21.13k (x0.88)
Test#3 (Generic, ZIP)
5.63k
11.35k (x2.02)
Test#1 (Memory)
12.1k
10.31k (x0.85)
TOTAL
68.04k
80.34k (x1.18)

Multithread

i5-10400

i3-1215U
Test#1 (Integers)
163.14k
73.97k (x0.45)
Test#2 (FP)
161.5k
72.37k (x0.45)
Test#3 (Generic, ZIP)
39.94k
29.61k (x0.74)
Test#1 (Memory)
7.6k
9.65k (x1.27)
TOTAL
372.19k
185.6k (x0.5)

Performance/W
i5-10400
i3-1215U
Test#1 (Integers)
2510 points/W
4931 points/W
Test#2 (FP)
2485 points/W
4825 points/W
Test#3 (Generic, ZIP)
615 points/W
1974 points/W
Test#1 (Memory)
117 points/W
643 points/W
TOTAL
5726 points/W
12374 points/W

Performance/GHz
i5-10400
i3-1215U
Test#1 (Integers)
6146 points/GHz
8535 points/GHz
Test#2 (FP)
5555 points/GHz
4802 points/GHz
Test#3 (Generic, ZIP)
1309 points/GHz
2579 points/GHz
Test#1 (Memory)
2814 points/GHz
2343 points/GHz
TOTAL
15824 points/GHz
18258 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