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Core i5-8500 vs i7-8565U


Description
The i5-8500 is based on Coffee Lake architecture while the i7-8565U is based on Whiskey Lake.

Using the multithread performance as a reference, the i5-8500 gets a score of 307.5 k points while the i7-8565U gets 142.5 k points.

Summarizing, the i5-8500 is 2.2 times faster than the i7-8565U. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ea
806eb
Core
Coffee Lake-S
Whiskey Lake-U
Architecture
Base frecuency
3 GHz
1.8 GHz
Boost frecuency
4.1 GHz
4.6 GHz
Socket
LGA 1151
BGA 1528
Cores/Threads
6/6
4/8
TDP
65 W
15 W
Cache L1 (d+i)
6x32+6x32 kB
4x32+4x32 kB
Cache L2
6x256 kB
4x256 kB
Cache L3
9216 kB
8192 kB
Date
March 2018
August 2018
Mean monothread perf.
69.09k points
67.83k points
Mean multithread perf.
307.52k points
142.55k 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
i5-8500
i7-8565U
Test#1 (Integers)
27.36k
27.2k (x0.99)
Test#2 (FP)
24.27k
23.47k (x0.97)
Test#3 (Generic, ZIP)
5.69k
4.91k (x0.86)
Test#1 (Memory)
11.77k
12.25k (x1.04)
TOTAL
69.09k
67.83k (x0.98)

Multithread

i5-8500

i7-8565U
Test#1 (Integers)
144.77k
64.33k (x0.44)
Test#2 (FP)
129.04k
58.47k (x0.45)
Test#3 (Generic, ZIP)
29.53k
15.82k (x0.54)
Test#1 (Memory)
4.18k
3.93k (x0.94)
TOTAL
307.52k
142.55k (x0.46)

Performance/W
i5-8500
i7-8565U
Test#1 (Integers)
2227 points/W
4288 points/W
Test#2 (FP)
1985 points/W
3898 points/W
Test#3 (Generic, ZIP)
454 points/W
1055 points/W
Test#1 (Memory)
64 points/W
262 points/W
TOTAL
4731 points/W
9503 points/W

Performance/GHz
i5-8500
i7-8565U
Test#1 (Integers)
6673 points/GHz
5914 points/GHz
Test#2 (FP)
5920 points/GHz
5103 points/GHz
Test#3 (Generic, ZIP)
1388 points/GHz
1067 points/GHz
Test#1 (Memory)
2870 points/GHz
2663 points/GHz
TOTAL
16850 points/GHz
14746 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