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Ryzen 9 5900X vs Core i5-6500


Description
The 5900X is based on Zen 3 architecture while the i5-6500 is based on Skylake.

Using the multithread performance as a reference, the 5900X gets a score of 816 k points while the i5-6500 gets 179.4 k points.

Summarizing, the 5900X is 4.5 times faster than the i5-6500 . To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
a20f12
506e3
Core
Vermeer
Skylake-S
Architecture
Base frecuency
3.7 GHz
3.2 GHz
Boost frecuency
4.8 GHz
3.6 GHz
Socket
AM4
LGA 1151
Cores/Threads
12/24
4/4
TDP
105 W
65 W
Cache L1 (d+i)
12x32+12x32 kB
4x32+4x32 kB
Cache L2
12x512 kB
4x256 kB
Cache L3
2x32768 kB
6144 kB
Date
November 2020
September 2015
Mean monothread perf.
83.42k points
53.7k points
Mean multithread perf.
816.01k points
179.44k 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
5900X
i5-6500
Test#1 (Integers)
22.58k
22.89k (x1.01)
Test#2 (FP)
24.83k
19.87k (x0.8)
Test#3 (Generic, ZIP)
11.23k
4.58k (x0.41)
Test#1 (Memory)
24.78k
6.36k (x0.26)
TOTAL
83.42k
53.7k (x0.64)

Multithread

5900X

i5-6500
Test#1 (Integers)
259.31k
84.36k (x0.33)
Test#2 (FP)
343.12k
72.91k (x0.21)
Test#3 (Generic, ZIP)
155.92k
16.08k (x0.1)
Test#1 (Memory)
57.66k
6.1k (x0.11)
TOTAL
816.01k
179.44k (x0.22)

Performance/W
5900X
i5-6500
Test#1 (Integers)
2470 points/W
1298 points/W
Test#2 (FP)
3268 points/W
1122 points/W
Test#3 (Generic, ZIP)
1485 points/W
247 points/W
Test#1 (Memory)
549 points/W
94 points/W
TOTAL
7772 points/W
2761 points/W

Performance/GHz
5900X
i5-6500
Test#1 (Integers)
4704 points/GHz
6359 points/GHz
Test#2 (FP)
5172 points/GHz
5521 points/GHz
Test#3 (Generic, ZIP)
2340 points/GHz
1271 points/GHz
Test#1 (Memory)
5163 points/GHz
1766 points/GHz
TOTAL
17379 points/GHz
14917 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