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Core i5-10400T vs i5-9400F


Description
The i5-10400T is based on Comet Lake architecture while the i5-9400F is based on Coffee Lake.

Using the multithread performance as a reference, the i5-10400T gets a score of 307.2 k points while the i5-9400F gets 332.1 k points.

Summarizing, the i5-9400F is 1.1 times faster than the i5-10400T. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
a0653
906ea
Core
Comet Lake-S
Coffee Lake-S
Architecture
Base frecuency
2 GHz
2.9 GHz
Boost frecuency
3.6 GHz
4.1 GHz
Socket
FC-LGA 1200
LGA 1151
Cores/Threads
6/12
6/6
TDP
35 W
65 W
Cache L1 (d+i)
6x32+6x32 kB
6x32+6x32 kB
Cache L2
6x256 kB
6x256 kB
Cache L3
12288 kB
9216 kB
Date
April 2020
January 2019

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
i5-10400T
i5-9400F
Test#1 (Integers)
21999
27249 (23.87%)
Test#2 (FP)
19977
23812 (19.20%)
Test#3 (Generic, ZIP)
4566
5460 (19.59%)
Test#1 (Memory)
11306
12017 (6.29%)
TOTAL
57847
68539 (18.48%)

Multithread

i5-10400T

i5-9400F
Test#1 (Integers)
136687
156443 (14.45%)
Test#2 (FP)
135254
138866 (2.67%)
Test#3 (Generic, ZIP)
32756
30349 (-7.35%)
Test#1 (Memory)
2478
6435 (159.67%)
TOTAL
307175
332093 (8.11%)

Performance/W
i5-10400T
i5-9400F
Test#1 (Integers)
3905 points/W
2407 points/W
Test#2 (FP)
3864 points/W
2136 points/W
Test#3 (Generic, ZIP)
936 points/W
467 points/W
Test#1 (Memory)
71 points/W
99 points/W
TOTAL
8776 points/W
5109 points/W

Performance/GHz
i5-10400T
i5-9400F
Test#1 (Integers)
6111 points/GHz
6646 points/GHz
Test#2 (FP)
5549 points/GHz
5808 points/GHz
Test#3 (Generic, ZIP)
1268 points/GHz
1332 points/GHz
Test#1 (Memory)
3141 points/GHz
2931 points/GHz
TOTAL
16069 points/GHz
16717 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. 3.7.9