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Core i5-8300H vs i5-7400T


Description
The i5-8300H is based on Coffee Lake architecture while the i5-7400T is based on Kaby Lake.

Using the multithread performance as a reference, the i5-8300H gets a score of 182.5 k points while the i5-7400T gets 163.4 k points.

Summarizing, the i5-8300H is 1.1 times faster than the i5-7400T. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ea
906e9
Core
Coffee Lake-H
Kaby Lake-S
Architecture
Base frecuency
2.3 GHz
2.4 GHz
Boost frecuency
4 GHz
3 GHz
Socket
BGA 1440
LGA 1151
Cores/Threads
4/8
4/4
TDP
45 W
35 W
Cache L1 (d+i)
4x32+x4x32 kB
4x32+4x32 kB
Cache L2
4x256 kB
4x256 kB
Cache L3
8192 kB
6144 kB
Date
April 2018
January 2017
Mean monothread perf.
56.72k points
49.16k points
Mean multithread perf.
182.47k points
163.4k 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
i5-8300H
i5-7400T
Test#1 (Integers)
23.6k
19.7k (x0.84)
Test#2 (FP)
21.72k
17.29k (x0.8)
Test#3 (Generic, ZIP)
4.61k
4.07k (x0.88)
Test#1 (Memory)
6.8k
8.1k (x1.19)
TOTAL
56.72k
49.16k (x0.87)

Multithread

i5-8300H

i5-7400T
Test#1 (Integers)
79.12k
75.27k (x0.95)
Test#2 (FP)
81.27k
66.24k (x0.82)
Test#3 (Generic, ZIP)
17.46k
13.93k (x0.8)
Test#1 (Memory)
4.62k
7.95k (x1.72)
TOTAL
182.47k
163.4k (x0.9)

Performance/W
i5-8300H
i5-7400T
Test#1 (Integers)
1758 points/W
2151 points/W
Test#2 (FP)
1806 points/W
1893 points/W
Test#3 (Generic, ZIP)
388 points/W
398 points/W
Test#1 (Memory)
103 points/W
227 points/W
TOTAL
4055 points/W
4669 points/W

Performance/GHz
i5-8300H
i5-7400T
Test#1 (Integers)
5899 points/GHz
6568 points/GHz
Test#2 (FP)
5431 points/GHz
5764 points/GHz
Test#3 (Generic, ZIP)
1152 points/GHz
1356 points/GHz
Test#1 (Memory)
1699 points/GHz
2700 points/GHz
TOTAL
14181 points/GHz
16388 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