Core i7-8650U vs i7-6500U
Description
The i7-8650U is based on Kaby Lake architecture while the i7-6500U is based on Skylake.
Using the multithread performance as a reference, the i7-8650U gets a score of 173.5 k points while the i7-6500U gets 97.5 k points.
Summarizing, the i7-8650U is 1.8 times faster than the i7-6500U. To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i7-8650U gets a score of 173.5 k points while the i7-6500U gets 97.5 k points.
Summarizing, the i7-8650U is 1.8 times faster than the i7-6500U. To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
806ea
406e3
Core
Kaby Lake-R
Skylake-U
Base frecuency
1.9 GHz
2.5 GHz
Boost frecuency
4.2 GHz
3.1 GHz
Socket
BGA 1356
BGA1356
Cores/Threads
4/8
2/4
TDP
15 W
15 W
Cache L1 (d+i)
4x32+4x32 kB
2x32+2x32 kB
Cache L2
4x256 kB
4096 kB
Cache L3
8192 kB
kB
Date
August 2017
September 2015
Mean monothread perf.
55.86k points
46.25k points
Mean multithread perf.
173.49k points
97.52k 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
i7-8650U
i7-6500U
Test#1 (Integers)
21.61k
19.47k (x0.9)
Test#2 (FP)
19.69k
17.58k (x0.89)
Test#3 (Generic, ZIP)
4.61k
4.05k (x0.88)
Test#1 (Memory)
9.95k
5.15k (x0.52)
TOTAL
55.86k
46.25k (x0.83)
Multithread
i7-8650U
i7-6500U
Test#1 (Integers)
78.38k
42.05k (x0.54)
Test#2 (FP)
72.02k
40.2k (x0.56)
Test#3 (Generic, ZIP)
16.95k
9.4k (x0.55)
Test#1 (Memory)
6.15k
5.86k (x0.95)
TOTAL
173.49k
97.52k (x0.56)
Performance/W
i7-8650U
i7-6500U
Test#1 (Integers)
5225 points/W
2803 points/W
Test#2 (FP)
4802 points/W
2680 points/W
Test#3 (Generic, ZIP)
1130 points/W
626 points/W
Test#1 (Memory)
410 points/W
391 points/W
TOTAL
11566 points/W
6501 points/W
Performance/GHz
i7-8650U
i7-6500U
Test#1 (Integers)
5146 points/GHz
6279 points/GHz
Test#2 (FP)
4689 points/GHz
5672 points/GHz
Test#3 (Generic, ZIP)
1097 points/GHz
1305 points/GHz
Test#1 (Memory)
2368 points/GHz
1662 points/GHz
TOTAL
13300 points/GHz
14918 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