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Ryzen 9 4900HS vs Core i9-11900KB


Description
The 4900HS is based on Zen 2 architecture while the i9-11900KB is based on Tiger Lake.

Using the multithread performance as a reference, the 4900HS gets a score of 360.6 k points while the i9-11900KB gets 537.2 k points.

Summarizing, the i9-11900KB is 1.5 times faster than the 4900HS. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
860f01
806d1
Core
Renoir
Tiger Lake-H
Architecture
Base frecuency
3 GHz
3.3 GHz
Boost frecuency
4.3 GHz
4.9 GHz
Socket
BGA 1140
BGA 1787
Cores/Threads
8/16
8/16
TDP
35 W
65 W
Cache L1 (d+i)
8x32+8x32 kB
8x32+8x48 kB
Cache L2
8x512 kB
8x1280 kB
Cache L3
2x4096 kB
24576 kB
Date
March 2020
July 2021
Mean monothread perf.
53k points
63.79k points
Mean multithread perf.
360.57k points
537.18k 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
4900HS
i9-11900KB
Test#1 (Integers)
14.87k
24.09k (x1.62)
Test#2 (FP)
21.53k
19.54k (x0.91)
Test#3 (Generic, ZIP)
8.39k
8.48k (x1.01)
Test#1 (Memory)
8.21k
11.68k (x1.42)
TOTAL
53k
63.79k (x1.2)

Multithread

4900HS

i9-11900KB
Test#1 (Integers)
124.63k
220.79k (x1.77)
Test#2 (FP)
158.62k
225.98k (x1.42)
Test#3 (Generic, ZIP)
69.79k
79.1k (x1.13)
Test#1 (Memory)
7.53k
11.32k (x1.5)
TOTAL
360.57k
537.18k (x1.49)

Performance/W
4900HS
i9-11900KB
Test#1 (Integers)
3561 points/W
3397 points/W
Test#2 (FP)
4532 points/W
3477 points/W
Test#3 (Generic, ZIP)
1994 points/W
1217 points/W
Test#1 (Memory)
215 points/W
174 points/W
TOTAL
10302 points/W
8264 points/W

Performance/GHz
4900HS
i9-11900KB
Test#1 (Integers)
3457 points/GHz
4917 points/GHz
Test#2 (FP)
5007 points/GHz
3988 points/GHz
Test#3 (Generic, ZIP)
1952 points/GHz
1730 points/GHz
Test#1 (Memory)
1910 points/GHz
2384 points/GHz
TOTAL
12326 points/GHz
13018 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