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Core i5-10400T vs i7-8650U


Description
The i5-10400T is based on Comet Lake architecture while the i7-8650U is based on Kaby Lake.

Using the multithread performance as a reference, the i5-10400T gets a score of 307.2 k points while the i7-8650U gets 173.5 k points.

Summarizing, the i5-10400T is 1.8 times faster than the i7-8650U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
a0653
806ea
Core
Comet Lake-S
Kaby Lake-R
Architecture
Base frecuency
2 GHz
1.9 GHz
Boost frecuency
3.6 GHz
4.2 GHz
Socket
FC-LGA 1200
BGA 1356
Cores/Threads
6/12
4/8
TDP
35 W
15 W
Cache L1 (d+i)
6x32+6x32 kB
4x32+4x32 kB
Cache L2
6x256 kB
4x256 kB
Cache L3
12288 kB
8192 kB
Date
April 2020
August 2017

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
i7-8650U
Test#1 (Integers)
21999
21611 (-1.76%)
Test#2 (FP)
19977
19692 (-1.42%)
Test#3 (Generic, ZIP)
4566
4609 (0.94%)
Test#1 (Memory)
11306
9947 (-12.02%)
TOTAL
57847
55859 (-3.44%)

Multithread

i5-10400T

i7-8650U
Test#1 (Integers)
136687
78378 (-42.66%)
Test#2 (FP)
135254
72024 (-46.75%)
Test#3 (Generic, ZIP)
32756
16945 (-48.27%)
Test#1 (Memory)
2478
6146 (148.00%)
TOTAL
307175
173493 (-43.52%)

Performance/W
i5-10400T
i7-8650U
Test#1 (Integers)
3905 points/W
5225 points/W
Test#2 (FP)
3864 points/W
4802 points/W
Test#3 (Generic, ZIP)
936 points/W
1130 points/W
Test#1 (Memory)
71 points/W
410 points/W
TOTAL
8776 points/W
11566 points/W

Performance/GHz
i5-10400T
i7-8650U
Test#1 (Integers)
6111 points/GHz
5146 points/GHz
Test#2 (FP)
5549 points/GHz
4689 points/GHz
Test#3 (Generic, ZIP)
1268 points/GHz
1097 points/GHz
Test#1 (Memory)
3141 points/GHz
2368 points/GHz
TOTAL
16069 points/GHz
13300 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