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Engineering Sample 906ED 2.1GHz vs Ryzen 9 3900X


Description
The 906ED 2.1GHz is based on Comet Lake architecture while the 3900X is based on Zen 2.

Using the multithread performance as a reference, the 906ED 2.1GHz gets a score of 657.2 k points while the 3900X gets 756.3 k points.

Summarizing, the 3900X is 1.2 times faster than the 906ED 2.1GHz. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
906ed
870f10
Core
Comet Lake-H
Matisse
Architecture
Base frecuency
3.6 GHz
3.8 GHz
Boost frecuency
5 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
March 2020
July 2019
Mean monothread perf.
86.65k points
72.51k points
Mean multithread perf.
657.19k points
756.3k points

Non-optimized benchmark
The benchmark in Mode 0 (FPU) measures cpu performance with non-optimized software. It uses the basic µinstructions from the i386 architecture with the i387 floating point unit. This mode is compatible with all CPUs so it's practical to compare very different CPUs
Monothread
906ED 2.1GHz
3900X
Test#1 (Integers)
5.2k
4.46k (x0.86)
Test#2 (FP)
21.19k
18.46k (x0.87)
Test#3 (Generic, ZIP)
6.85k
8.05k (x1.18)
Test#1 (Memory)
15.48k
23.71k (x1.53)
TOTAL
48.71k
54.68k (x1.12)

Multithread

906ED 2.1GHz

3900X
Test#1 (Integers)
42.31k
52.65k (x1.24)
Test#2 (FP)
198.07k
265.41k (x1.34)
Test#3 (Generic, ZIP)
68.37k
140.78k (x2.06)
Test#1 (Memory)
7.38k
46.91k (x6.36)
TOTAL
316.12k
505.76k (x1.6)

SSE3 optimized benchmark
The benchmark in mode I (SSE) is optimized for the use of SIMD instructions with 128 bits register and the SSE set up to version 3. Nearly every modern CPU has support for this mode.
Monothread
906ED 2.1GHz
3900X
Test#1 (Integers)
18.76k
17.35k (x0.93)
Test#2 (FP)
27.15k
25.87k (x0.95)
Test#3 (Generic, ZIP)
7.15k
8.72k (x1.22)
Test#1 (Memory)
15.31k
27.86k (x1.82)
TOTAL
68.37k
79.8k (x1.17)

Multithread

906ED 2.1GHz

3900X
Test#1 (Integers)
156.95k
201.57k (x1.28)
Test#2 (FP)
250.7k
284.41k (x1.13)
Test#3 (Generic, ZIP)
70.02k
145.16k (x2.07)
Test#1 (Memory)
7.43k
100.56k (x13.53)
TOTAL
485.11k
731.7k (x1.51)

AVX optimized benchmark
The benchmark in mode II (AVX) is optimized to used 256 bits registers beside the first version of the Advanced Vector Extensions (AVX). The first AVX compatible CPU was released in 2011.
Monothread
906ED 2.1GHz
3900X
Test#1 (Integers)
18.88k
16.95k (x0.9)
Test#2 (FP)
28.5k
25.37k (x0.89)
Test#3 (Generic, ZIP)
6.91k
9.23k (x1.34)
Test#1 (Memory)
14.86k
24.83k (x1.67)
TOTAL
69.14k
76.38k (x1.1)

Multithread

906ED 2.1GHz

3900X
Test#1 (Integers)
157.47k
196.31k (x1.25)
Test#2 (FP)
265.75k
290.5k (x1.09)
Test#3 (Generic, ZIP)
68.86k
143.95k (x2.09)
Test#1 (Memory)
7.38k
64.92k (x8.8)
TOTAL
499.47k
695.69k (x1.39)

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
906ED 2.1GHz
3900X
Test#1 (Integers)
33.92k
16.73k (x0.49)
Test#2 (FP)
30k
24.74k (x0.82)
Test#3 (Generic, ZIP)
7.01k
8.82k (x1.26)
Test#1 (Memory)
15.73k
22.22k (x1.41)
TOTAL
86.65k
72.51k (x0.84)

Multithread

906ED 2.1GHz

3900X
Test#1 (Integers)
302.78k
248.24k (x0.82)
Test#2 (FP)
278.98k
309.66k (x1.11)
Test#3 (Generic, ZIP)
67.89k
140.01k (x2.06)
Test#1 (Memory)
7.53k
58.39k (x7.75)
TOTAL
657.19k
756.3k (x1.15)

Performance/W
906ED 2.1GHz
3900X
Test#1 (Integers)