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Ryzen 7 3800X vs Engineering Sample 906ED 2.1GHz


Description
The 3800X is based on Zen 2 architecture while the 906ED 2.1GHz is based on Comet Lake.

Using the multithread performance as a reference, the 3800X gets a score of 497.7 k points while the 906ED 2.1GHz gets 657.2 k points.

Summarizing, the 906ED 2.1GHz is 1.3 times faster than the 3800X. To get a proper comparison between both models, take a look to the data shown below.

Specs
CPUID
870f10
906ed
Core
Matisse
Comet Lake-H
Architecture
Base frecuency
3.9 GHz
3.6 GHz
Boost frecuency
4.5 GHz
5 GHz
Socket
AM4
LGA 1151
Cores/Threads
8/16
8/16
TDP
105 W
- W
Cache L1 (d+i)
8x32+8x32 kB
8x32+8x32 kB
Cache L2
8x512 kB
8x256 kB
Cache L3
32768 kB
16384 kB
Date
July 2019
March 2020
Mean monothread perf.
75.81k points
86.65k points
Mean multithread perf.
497.74k points
657.19k 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
3800X
906ED 2.1GHz
Test#1 (Integers)
4.47k
5.2k (x1.16)
Test#2 (FP)
17.41k
21.19k (x1.22)
Test#3 (Generic, ZIP)
8.23k
6.85k (x0.83)
Test#1 (Memory)
25.15k
15.48k (x0.62)
TOTAL
55.26k
48.71k (x0.88)

Multithread

3800X

906ED 2.1GHz
Test#1 (Integers)
36.1k
42.31k (x1.17)
Test#2 (FP)
178.65k
198.07k (x1.11)
Test#3 (Generic, ZIP)
95.98k
68.37k (x0.71)
Test#1 (Memory)
16.03k
7.38k (x0.46)
TOTAL
326.76k
316.12k (x0.97)

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
3800X
906ED 2.1GHz
Test#1 (Integers)
17.17k
18.76k (x1.09)
Test#2 (FP)
25.32k
27.15k (x1.07)
Test#3 (Generic, ZIP)
8.36k
7.15k (x0.86)
Test#1 (Memory)
27.86k
15.31k (x0.55)
TOTAL
78.71k
68.37k (x0.87)

Multithread

3800X

906ED 2.1GHz
Test#1 (Integers)
136.06k
156.95k (x1.15)
Test#2 (FP)
195.06k
250.7k (x1.29)
Test#3 (Generic, ZIP)
97.81k
70.02k (x0.72)
Test#1 (Memory)
12.91k
7.43k (x0.58)
TOTAL
441.85k
485.11k (x1.1)

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
3800X
906ED 2.1GHz
Test#1 (Integers)
16.76k
18.88k (x1.13)
Test#2 (FP)
25.16k
28.5k (x1.13)
Test#3 (Generic, ZIP)
8.76k
6.91k (x0.79)
Test#1 (Memory)
24.3k
14.86k (x0.61)
TOTAL
74.98k
69.14k (x0.92)

Multithread

3800X

906ED 2.1GHz
Test#1 (Integers)
131.36k
157.47k (x1.2)
Test#2 (FP)
198.51k
265.75k (x1.34)
Test#3 (Generic, ZIP)
97.27k
68.86k (x0.71)
Test#1 (Memory)
13.4k
7.38k (x0.55)
TOTAL
440.54k
499.47k (x1.13)

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
3800X
906ED 2.1GHz
Test#1 (Integers)
17.1k
33.92k (x1.98)
Test#2 (FP)
26.59k
30k (x1.13)
Test#3 (Generic, ZIP)
8.91k
7.01k (x0.79)
Test#1 (Memory)
23.21k
15.73k (x0.68)
TOTAL
75.81k
86.65k (x1.14)

Multithread

3800X

906ED 2.1GHz
Test#1 (Integers)
172.04k
302.78k (x1.76)
Test#2 (FP)
214.03k
278.98k (x1.3)
Test#3 (Generic, ZIP)
97.1k
67.89k (x0.7)
Test#1 (Memory)
14.57k
7.53k (x0.52)
TOTAL
497.74k
657.19k (x1.32)

Performance/W
3800X
906ED 2.1GHz
Test#1 (Integers)
1638 points/W