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Ryzen 9 5900X vs Engineering Sample 906EC


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

Using the multithread performance as a reference, the 5900X gets a score of 840.1 k points while the 906EC gets 494.2 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
a20f10
906ec
Core
Vermeer
Coffee Lake-S
Architecture
Base frecuency
3.7 GHz
2.1 GHz
Boost frecuency
4.8 GHz
4.3 GHz
Socket
AM4
LGA 1151
Cores/Threads
12/24
8/16
TDP
105 W
- W
Cache L1 (d+i)
12x32+12x32 kB
8x32+8x32 kB
Cache L2
12x512 kB
8x256 kB
Cache L3
2x32768 kB
16384 kB
Date
November 2020
January 2019
Mean monothread perf.
89.82k points
70.55k points
Mean multithread perf.
840.11k points
494.24k 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
906EC
Test#1 (Integers)
24.34k
28.3k (x1.16)
Test#2 (FP)
26.8k
24.99k (x0.93)
Test#3 (Generic, ZIP)
12.12k
5.55k (x0.46)
Test#1 (Memory)
26.55k
11.71k (x0.44)
TOTAL
89.82k
70.55k (x0.79)

Multithread

5900X

906EC
Test#1 (Integers)
263.12k
229.27k (x0.87)
Test#2 (FP)
353.9k
209.21k (x0.59)
Test#3 (Generic, ZIP)
159.07k
48.53k (x0.31)
Test#1 (Memory)
64.01k
7.23k (x0.11)
TOTAL
840.11k
494.24k (x0.59)

Performance/W
5900X
906EC
Test#1 (Integers)
2506 points/W