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Engineering Sample 906EC vs Ryzen 9 3900X


Description
The 906EC is based on Coffee Lake architecture while the 3900X is based on Zen 2.

Using the multithread performance as a reference, the 906EC gets a score of 494.2 k points while the 3900X gets 756.3 k points.

Summarizing, the 3900X is 1.5 times faster than the 906EC. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ec
870f10
Core
Coffee Lake-S
Matisse
Architecture
Base frecuency
2.1 GHz
3.8 GHz
Boost frecuency
4.3 GHz
4.6 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
4x16384 kB
Date
January 2019
July 2019
Mean monothread perf.
70.55k points
72.51k points
Mean multithread perf.
494.24k points
756.3k 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
3900X
Test#1 (Integers)
28.3k
16.73k (x0.59)
Test#2 (FP)
24.99k
24.74k (x0.99)
Test#3 (Generic, ZIP)
5.55k
8.82k (x1.59)
Test#1 (Memory)
11.71k
22.22k (x1.9)
TOTAL
70.55k
72.51k (x1.03)

Multithread

906EC

3900X
Test#1 (Integers)
229.27k
248.24k (x1.08)
Test#2 (FP)
209.21k
309.66k (x1.48)
Test#3 (Generic, ZIP)
48.53k
140.01k (x2.89)
Test#1 (Memory)
7.23k
58.39k (x8.07)
TOTAL
494.24k
756.3k (x1.53)

Performance/W
906EC
3900X
Test#1 (Integers)