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Core i5-8400 vs i7-4765T


Description
The i5-8400 is based on Coffee Lake architecture while the i7-4765T is based on Haswell.

Using the multithread performance as a reference, the i5-8400 gets a score of 289.6 k points while the i7-4765T gets 134.5 k points.

Summarizing, the i5-8400 is 2.2 times faster than the i7-4765T . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ea
306c3
Core
Coffee Lake-S
Haswell
Architecture
Base frecuency
2.8 GHz
2 GHz
Boost frecuency
4 GHz
3 GHz
Socket
LGA 1151
LGA 1150
Cores/Threads
6/6
4/8
TDP
65 W
35 W
Cache L1 (d+i)
6x32+6x32 kB
4x32+4x32 kB
Cache L2
6x256 kB
4x256 kB
Cache L3
9216 kB
8192 kB
Date
September 2017
May 2013
Mean monothread perf.
64.98k points
31.31k points
Mean multithread perf.
289.61k points
134.53k 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
i5-8400
i7-4765T
Test#1 (Integers)
26.5k
15.61k (x0.59)
Test#2 (FP)
23.11k
8.8k (x0.38)
Test#3 (Generic, ZIP)
5.2k
3.58k (x0.69)
Test#1 (Memory)
10.16k
3.33k (x0.33)
TOTAL
64.98k
31.31k (x0.48)

Multithread

i5-8400

i7-4765T
Test#1 (Integers)
135.08k
66k (x0.49)
Test#2 (FP)
121.49k
43.27k (x0.36)
Test#3 (Generic, ZIP)
27.53k
17.39k (x0.63)
Test#1 (Memory)
5.5k
7.88k (x1.43)
TOTAL
289.61k
134.53k (x0.46)

Performance/W
i5-8400
i7-4765T
Test#1 (Integers)
2078 points/W
1886 points/W
Test#2 (FP)
1869 points/W
1236 points/W
Test#3 (Generic, ZIP)
424 points/W
497 points/W
Test#1 (Memory)
85 points/W
225 points/W
TOTAL
4455 points/W
3844 points/W

Performance/GHz
i5-8400
i7-4765T
Test#1 (Integers)
6626 points/GHz
5203 points/GHz
Test#2 (FP)
5778 points/GHz
2932 points/GHz
Test#3 (Generic, ZIP)
1300 points/GHz
1193 points/GHz
Test#1 (Memory)
2541 points/GHz
1110 points/GHz
TOTAL
16245 points/GHz
10438 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