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Core i5-7400 vs i3-9100T


Description
The i5-7400 is based on Kaby Lake architecture while the i3-9100T is based on Coffee Lake.

Using the multithread performance as a reference, the i5-7400 gets a score of 173.7 k points while the i3-9100T gets 192.9 k points.

Summarizing, the i3-9100T is 1.1 times faster than the i5-7400 . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906e9
906eb
Core
Kaby Lake-S
Coffee Lake-S
Architecture
Base frecuency
3 GHz
3.1 GHz
Boost frecuency
3.5 GHz
3.7 GHz
Socket
LGA 1151
LGA 1151
Cores/Threads
4/4
4/4
TDP
65 W
35 W
Cache L1 (d+i)
4x32+4x32 kB
4x32+4x32 kB
Cache L2
4x256 kB
4x256 kB
Cache L3
6144 kB
6144 kB
Date
September 2016
June 2019
Mean monothread perf.
52.69k points
60.16k points
Mean multithread perf.
173.7k points
192.88k points

AVX optimized benchmark
The benchmark in mode II (AVX) is optimized to used 256 bits registers beside the first version of the Advanced Vector Extensions (AVX). The first AVX compatible CPU was released in 2011.
Monothread
i5-7400
i3-9100T
Test#1 (Integers)
12.72k
13.6k (x1.07)
Test#2 (FP)
19.3k
20.58k (x1.07)
Test#3 (Generic, ZIP)
4.76k
4.76k (x1)
Test#1 (Memory)
8.73k
8.8k (x1.01)
TOTAL
45.52k
47.74k (x1.05)

Multithread

i5-7400

i3-9100T
Test#1 (Integers)
47.95k
50.18k (x1.05)
Test#2 (FP)
71.98k
75.99k (x1.06)
Test#3 (Generic, ZIP)
17.22k
17.66k (x1.03)
Test#1 (Memory)
8.03k
4.12k (x0.51)
TOTAL
145.18k
147.95k (x1.02)

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
i5-7400
i3-9100T
Test#1 (Integers)
22.37k
24.89k (x1.11)
Test#2 (FP)
19.46k
21.82k (x1.12)
Test#3 (Generic, ZIP)
4.44k
4.83k (x1.09)
Test#1 (Memory)
6.41k
8.63k (x1.35)
TOTAL
52.69k
60.16k (x1.14)

Multithread

i5-7400

i3-9100T
Test#1 (Integers)
79.57k
89.4k (x1.12)
Test#2 (FP)
71.41k
81.19k (x1.14)
Test#3 (Generic, ZIP)
16.44k
18.06k (x1.1)
Test#1 (Memory)
6.27k
4.24k (x0.68)
TOTAL
173.7k
192.88k (x1.11)

Performance/W
i5-7400
i3-9100T
Test#1 (Integers)
1224 points/W
2554 points/W
Test#2 (FP)
1099 points/W
2320 points/W
Test#3 (Generic, ZIP)
253 points/W
516 points/W
Test#1 (Memory)
96 points/W
121 points/W
TOTAL
2672 points/W
5511 points/W

Performance/GHz
i5-7400
i3-9100T
Test#1 (Integers)
6392 points/GHz
6727 points/GHz
Test#2 (FP)
5561 points/GHz
5897 points/GHz
Test#3 (Generic, ZIP)
1267 points/GHz
1304 points/GHz
Test#1 (Memory)
1832 points/GHz
2331 points/GHz
TOTAL
15053 points/GHz
16260 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