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Engineering Sample 906EC vs Ryzen 9 5900X


Description
The 906EC is based on Coffee Lake architecture while the 5900X is based on Zen 3.

Using the multithread performance as a reference, the 906EC gets a score of 494.2 k points while the 5900X gets 840.1 k points.

Summarizing, the 5900X is 1.7 times faster than the 906EC. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ec
a20f10
Core
Coffee Lake-S
Vermeer
Architecture
Base frecuency
2.1 GHz
3.7 GHz
Boost frecuency
4.3 GHz
4.8 GHz
Socket
LGA 1151
AM4
Cores/Threads
8/16
12/24
TDP
- W
105 W
Cache L1 (d+i)
8x32+8x32 kB
12x32+12x32 kB
Cache L2
8x256 kB
12x512 kB
Cache L3
16384 kB
2x32768 kB
Date
January 2019
November 2020
Mean monothread perf.
70.55k points
89.82k points
Mean multithread perf.
494.24k 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
906EC
5900X
Test#1 (Integers)
28.3k
24.34k (x0.86)
Test#2 (FP)
24.99k
26.8k (x1.07)
Test#3 (Generic, ZIP)
5.55k
12.12k (x2.18)
Test#1 (Memory)
11.71k
26.55k (x2.27)
TOTAL
70.55k
89.82k (x1.27)

Multithread

906EC

5900X
Test#1 (Integers)
229.27k
263.12k (x1.15)
Test#2 (FP)
209.21k
353.9k (x1.69)
Test#3 (Generic, ZIP)
48.53k
159.07k (x3.28)
Test#1 (Memory)
7.23k
64.01k (x8.85)
TOTAL
494.24k
840.11k (x1.7)

Performance/W
906EC
5900X
Test#1 (Integers)