Core i5-6500 vs i7-8665U
Description
The i5-6500 is based on Skylake architecture while the i7-8665U is based on Whiskey Lake.
Using the multithread performance as a reference, the i5-6500 gets a score of 179.3 k points while the i7-8665U gets 129.1 k points.
Summarizing, the i5-6500 is 1.4 times faster than the i7-8665U. To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i5-6500 gets a score of 179.3 k points while the i7-8665U gets 129.1 k points.
Summarizing, the i5-6500 is 1.4 times faster than the i7-8665U. To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
506e3
806ec
Core
Skylake-S
Whiskey Lake-U
Base frecuency
3.2 GHz
1.9 GHz
Boost frecuency
3.6 GHz
4.8 GHz
Socket
LGA 1151
BGA 1528
Cores/Threads
4/4
4/8
TDP
65 W
15 W
Cache L1 (d+i)
4x32+4x32 kB
4x32+4x32 kB
Cache L2
4x256 kB
4x256 kB
Cache L3
6144 kB
8192 kB
Date
September 2015
April 2019
Mean monothread perf.
53.31k points
45k points
Mean multithread perf.
179.3k points
129.06k 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
i5-6500
i7-8665U
Test#1 (Integers)
22.86k
18.4k (x0.8)
Test#2 (FP)
19.86k
16.78k (x0.84)
Test#3 (Generic, ZIP)
4.56k
3.61k (x0.79)
Test#1 (Memory)
6.03k
6.21k (x1.03)
TOTAL
53.31k
45k (x0.84)
Multithread
i5-6500
i7-8665U
Test#1 (Integers)
84.51k
57.09k (x0.68)
Test#2 (FP)
73.04k
54.43k (x0.75)
Test#3 (Generic, ZIP)
16.05k
12.23k (x0.76)
Test#1 (Memory)
5.71k
5.31k (x0.93)
TOTAL
179.3k
129.06k (x0.72)
Performance/W
i5-6500
i7-8665U
Test#1 (Integers)
1300 points/W
3806 points/W
Test#2 (FP)
1124 points/W
3629 points/W
Test#3 (Generic, ZIP)
247 points/W
816 points/W
Test#1 (Memory)
88 points/W
354 points/W
TOTAL
2758 points/W
8604 points/W
Performance/GHz
i5-6500
i7-8665U
Test#1 (Integers)
6350 points/GHz
3833 points/GHz
Test#2 (FP)
5516 points/GHz
3496 points/GHz
Test#3 (Generic, ZIP)
1265 points/GHz
752 points/GHz
Test#1 (Memory)
1676 points/GHz
1293 points/GHz
TOTAL
14808 points/GHz
9374 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.
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]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
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.
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]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
Hardlimit Benchmark Central - Ver. 3.11.4