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Core i9-7980XE vs Ryzen 9 5900X


Description
The i9-7980XE is based on Skylake architecture while the 5900X is based on Zen 3.

Using the multithread performance as a reference, the i9-7980XE gets a score of 1223.8 k points while the 5900X gets 840.1 k points.

Summarizing, the i9-7980XE is 1.5 times faster than the 5900X. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
50654
a20f10
Core
Skylake-X
Vermeer
Architecture
Base frecuency
2.6 GHz
3.7 GHz
Boost frecuency
4.4 GHz
4.8 GHz
Socket
LGA 2066
AM4
Cores/Threads
18/36
12/24
TDP
165 W
105 W
Cache L1 (d+i)
18x32+18x32 kB
12x32+12x32 kB
Cache L2
18x1024 kB
12x512 kB
Cache L3
25344 kB
2x32768 kB
Date
May 2017
November 2020
Mean monothread perf.
76.43k points
89.82k points
Mean multithread perf.
1223.79k points
840.11k 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
i9-7980XE
5900X
Test#1 (Integers)
31.16k
24.34k (x0.78)
Test#2 (FP)
28.13k
26.8k (x0.95)
Test#3 (Generic, ZIP)
6.65k
12.12k (x1.82)
Test#1 (Memory)
10.5k
26.55k (x2.53)
TOTAL
76.43k
89.82k (x1.18)

Multithread

i9-7980XE

5900X
Test#1 (Integers)
560.19k
263.12k (x0.47)
Test#2 (FP)
516.97k
353.9k (x0.68)
Test#3 (Generic, ZIP)
123.94k
159.07k (x1.28)
Test#1 (Memory)
22.69k
64.01k (x2.82)
TOTAL
1223.79k
840.11k (x0.69)

Performance/W
i9-7980XE
5900X
Test#1 (Integers)
3395 points/W
2506 points/W
Test#2 (FP)
3133 points/W
3371 points/W
Test#3 (Generic, ZIP)
751 points/W
1515 points/W
Test#1 (Memory)
137 points/W
610 points/W
TOTAL
7417 points/W
8001 points/W

Performance/GHz
i9-7980XE
5900X
Test#1 (Integers)
7081 points/GHz
5071 points/GHz
Test#2 (FP)
6392 points/GHz
5584 points/GHz
Test#3 (Generic, ZIP)
1512 points/GHz
2526 points/GHz
Test#1 (Memory)
2386 points/GHz
5530 points/GHz
TOTAL
17371 points/GHz
18712 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