Ryzen 9 3900

Performance

687.5k points

Description

The Ryzen 9 3900 is a cpu manufactured by AMD that was released on September 2019. This model has 12 Matisse cores with Simultaneous MultiThreading (SMT), runs at 3100 MHz as base frequency and has a a thermal design power of 65 W.

Zen 2 is fabricated on the 7nm process from TSMC and it’s the third generation of Zen CPUs. It comes with 64kB of L1 cache and 512kB of L2 cache per core. Zen 2 CPUs are divided into 3 categories: Matisse (desktop), Rome (Server) and Castle Peak (high-end desktop).

Specs

Official name

AMD Ryzen 9 3900 12-Core Processor

CPUID

870f10

Core

Matisse

Architecture

Zen 2

Base frecuency

3.1 GHz

Boost frecuency

4.3 GHz

Socket

AM4

Cores/Threads

12/24

TDP

65 W

Cache L1 (d+i)

12x32+12x32 kB

Cache L2

12x512 kB

Cache L3

4x16384 kB

Release date

September 2019

Mean monothread perf.

74.97k points

Mean multithread perf.

687.5k 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

Multithread

Test#1 (Integers)

4.39k

48.45k (x11.0)

Test#2 (FP)

16.99k

230.81k (x13.6)

Test#3 (Generic, ZIP)

7.74k

122.82k (x15.9)

Test#1 (Memory)

24.57k

54.73k (x2.2)

TOTAL

53.69k

456.8k (x8.5)

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

Multithread

Test#1 (Integers)

16.59k

181.33k (x10.9)

Test#2 (FP)

24.55k

261.01k (x10.6)

Test#3 (Generic, ZIP)

8.55k

126.62k (x14.8)

Test#1 (Memory)

26.28k

66.64k (x2.5)

TOTAL

75.97k

635.6k (x8.4)

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

Multithread

Test#1 (Integers)

16.16k

174.73k (x10.8)

Test#2 (FP)

23.75k

275.63k (x11.6)

Test#3 (Generic, ZIP)

9.32k

125.65k (x13.5)

Test#1 (Memory)

23.17k

44.17k (x1.9)

TOTAL

72.4k

620.18k (x8.6)

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

Multithread

Test#1 (Integers)

16.85k

229.41k (x13.6)

Test#2 (FP)

26.03k

292.81k (x11.2)

Test#3 (Generic, ZIP)

9.54k

128.48k (x13.5)

Test#1 (Memory)

22.55k

36.8k (x1.6)

TOTAL

74.97k

687.5k (x9.2)

Motherboards where this CPU was tested

Model

Chipset

Release date

MSI MPG X570 GAMING PRO CARBON WIFI

AMD X570

N/A

ASUS ROG STRIX X570-F GAMING

AMD X570

N/A

ASUS TUF GAMING X570-PLUS WI-FI

AMD X570

N/A

ASUS ROG CROSSHAIR VIII HERO – WI-FI

AMD X570

N/A

Gigabyte X570 GAMING X

AMD X570

N/A

MSI MPG B550 GAMING PLUS

AMD B550

N/A

MSI B450 TOMAHAWK MAX

AMD B450

N/A

MSI X470 GAMING PLUS MAX

AMD X470

N/A

RAM models tested along with this CPU

Model

Type

Frequency

Size

Corsair Value Select

DDR4

3200 MHz

16 GB

Kingston HyperX

DDR4

2133 MHz

8 GB

Klevv CRAS X RGB

DDR4

3600 MHz

16 GB

G.Skill Trident Z RGB

DDR4

3200 MHz

8 GB

A-DATA N/A

DDR4

2667 MHz

8 GB

Monothread performance graph

Monothread performance graphics gives the performance vs time. They are useful to measure the time it takes to the CPU to reach the maximum performance.

Usually, CPU's performance will be steady during these tests but if it has a slow frequency strategy, the first samples will show a lower score.

Test#1 (Integers) [% vs time]

Test#2 (FP) [% vs time]

Test#3 (Generic, ZIP) [% vs time]

Test#1 (Memory) [% vs time]

Multithread performance graph

Multithread graphs measure the performance against a heavy load during certain time.

If CPU's TDP doesn't limit the frequency and the machine is properly cooled, performance should remain steady vs time. Otherwise, the performance score will oscillate or decrease over time.

Test#1 (Integers) [% vs time]

Test#2 (FP) [% vs time]

Test#3 (Generic, ZIP) [% vs time]

Test#1 (Memory) [% vs time]

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A-DATA Technology Ryzen 9 3900 (This model)

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Mode FPU multithread [456.8k points]

Mode AVX2 monothread [74.97k points]

Mode AVX2 multithread [687.5k points]

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Mode AVX2 multithread [586.64k points -14.67%]

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Mode FPU multithread [316.12k points -30.80%]

Mode AVX2 monothread [86.65k points +15.58%]

Mode AVX2 multithread [657.19k points -4.41%]

FPU mode comparison

Monothread integers operations

Model

Score

AMD Ryzen 7 3700X

4.42k [0.81%]