Core i9-11900KB vs i7-8650U
Description
The i9-11900KB is based on Tiger Lake architecture while the i7-8650U is based on Kaby Lake.
Using the multithread performance as a reference, the i9-11900KB gets a score of 537.2 k points while the i7-8650U gets 173.5 k points.
Summarizing, the i9-11900KB is 3.1 times faster than the i7-8650U. To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i9-11900KB gets a score of 537.2 k points while the i7-8650U gets 173.5 k points.
Summarizing, the i9-11900KB is 3.1 times faster than the i7-8650U. To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
806d1
806ea
Core
Tiger Lake-H
Kaby Lake-R
Base frecuency
3.3 GHz
1.9 GHz
Boost frecuency
4.9 GHz
4.2 GHz
Socket
BGA 1787
BGA 1356
Cores/Threads
8/16
4/8
TDP
65 W
15 W
Cache L1 (d+i)
8x32+8x48 kB
4x32+4x32 kB
Cache L2
8x1280 kB
4x256 kB
Cache L3
24576 kB
8192 kB
Date
July 2021
August 2017
Mean monothread perf.
63.79k points
55.86k points
Mean multithread perf.
537.18k points
173.49k 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
i9-11900KB
i7-8650U
Test#1 (Integers)
24.09k
21.61k (x0.9)
Test#2 (FP)
19.54k
19.69k (x1.01)
Test#3 (Generic, ZIP)
8.48k
4.61k (x0.54)
Test#1 (Memory)
11.68k
9.95k (x0.85)
TOTAL
63.79k
55.86k (x0.88)
Multithread
i9-11900KB
i7-8650U
Test#1 (Integers)
220.79k
78.38k (x0.35)
Test#2 (FP)
225.98k
72.02k (x0.32)
Test#3 (Generic, ZIP)
79.1k
16.95k (x0.21)
Test#1 (Memory)
11.32k
6.15k (x0.54)
TOTAL
537.18k
173.49k (x0.32)
Performance/W
i9-11900KB
i7-8650U
Test#1 (Integers)
3397 points/W
5225 points/W
Test#2 (FP)
3477 points/W
4802 points/W
Test#3 (Generic, ZIP)
1217 points/W
1130 points/W
Test#1 (Memory)
174 points/W
410 points/W
TOTAL
8264 points/W
11566 points/W
Performance/GHz
i9-11900KB
i7-8650U
Test#1 (Integers)
4917 points/GHz
5146 points/GHz
Test#2 (FP)
3988 points/GHz
4689 points/GHz
Test#3 (Generic, ZIP)
1730 points/GHz
1097 points/GHz
Test#1 (Memory)
2384 points/GHz
2368 points/GHz
TOTAL
13018 points/GHz
13300 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