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Core i5-9500T vs i5-7400


Description
The i5-9500T is based on Coffee Lake architecture while the i5-7400 is based on Kaby Lake.

Using the multithread performance as a reference, the i5-9500T gets a score of 274 k points while the i5-7400 gets 173.7 k points.

Summarizing, the i5-9500T is 1.6 times faster than the i5-7400 . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ea
906e9
Core
Coffee Lake-S
Kaby Lake-S
Architecture
Base frecuency
2.2 GHz
3 GHz
Boost frecuency
3.7 GHz
3.5 GHz
Socket
LGA 1151
LGA 1151
Cores/Threads
6/6
4/4
TDP
35 W
65 W
Cache L1 (d+i)
6x32+6x32 kB
4x32+4x32 kB
Cache L2
6x256 kB
4x256 kB
Cache L3
9216 kB
6144 kB
Date
July 2019
September 2016
Mean monothread perf.
61.46k points
52.69k points
Mean multithread perf.
274.02k points
173.7k 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
i5-9500T
i5-7400
Test#1 (Integers)
13.46k
12.72k (x0.95)
Test#2 (FP)
20.21k
19.3k (x0.96)
Test#3 (Generic, ZIP)
4.72k
4.76k (x1.01)
Test#1 (Memory)
10.25k
8.73k (x0.85)
TOTAL
48.64k
45.52k (x0.94)

Multithread

i5-9500T

i5-7400
Test#1 (Integers)
74.65k
47.95k (x0.64)
Test#2 (FP)
110.86k
71.98k (x0.65)
Test#3 (Generic, ZIP)
22.08k
17.22k (x0.78)
Test#1 (Memory)
4.12k
8.03k (x1.95)
TOTAL
211.7k
145.18k (x0.69)

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
i5-9500T
i5-7400
Test#1 (Integers)
24.5k
22.37k (x0.91)
Test#2 (FP)
21.41k
19.46k (x0.91)
Test#3 (Generic, ZIP)
4.82k
4.44k (x0.92)
Test#1 (Memory)
10.73k
6.41k (x0.6)
TOTAL
61.46k
52.69k (x0.86)

Multithread

i5-9500T

i5-7400
Test#1 (Integers)
134.63k
79.57k (x0.59)
Test#2 (FP)
113.61k
71.41k (x0.63)
Test#3 (Generic, ZIP)
21.71k
16.44k (x0.76)
Test#1 (Memory)
4.07k
6.27k (x1.54)
TOTAL
274.02k
173.7k (x0.63)

Performance/W
i5-9500T
i5-7400
Test#1 (Integers)
3846 points/W
1224 points/W
Test#2 (FP)
3246 points/W
1099 points/W
Test#3 (Generic, ZIP)
620 points/W
253 points/W
Test#1 (Memory)
116 points/W
96 points/W
TOTAL
7829 points/W
2672 points/W

Performance/GHz
i5-9500T
i5-7400
Test#1 (Integers)
6621 points/GHz
6392 points/GHz
Test#2 (FP)
5786 points/GHz
5561 points/GHz
Test#3 (Generic, ZIP)
1302 points/GHz
1267 points/GHz
Test#1 (Memory)
2901 points/GHz
1832 points/GHz
TOTAL
16610 points/GHz
15053 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