Ryzen 9 3900

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.

The 3900 has 12x32+12x32 kB of cache L1, 12x512 kB of cache L2 and 4x16384 kB of cache L3.

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

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)

4388

48447 (x11.0)

Test#2 (FP)

16990

230813 (x13.6)

Test#3 (Generic, ZIP)

7741

122817 (x15.9)

Test#1 (Memory)

24572

54726 (x2.2)

TOTAL

53691

456802 (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)

16590

181329 (x10.9)

Test#2 (FP)

24545

261007 (x10.6)

Test#3 (Generic, ZIP)

8545

126625 (x14.8)

Test#1 (Memory)

26285

66639 (x2.5)

TOTAL

75966

635599 (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)

16159

174727 (x10.8)

Test#2 (FP)

23754

275632 (x11.6)

Test#3 (Generic, ZIP)

9320

125649 (x13.5)

Test#1 (Memory)

23170

44172 (x1.9)

TOTAL

72403

620179 (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)

16854

229408 (x13.6)

Test#2 (FP)

26031

292810 (x11.2)

Test#3 (Generic, ZIP)

9539

128480 (x13.5)

Test#1 (Memory)

22546

36801 (x1.6)

TOTAL

74970

687500 (x9.2)

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]

Similar CPUs to Ryzen 9 3900

AMD Ryzen 9 3900 (This model)

Mode FPU monothread [53691 points]

Mode FPU multithread [456802 points]

Mode AVX2 monothread [74970 points]

Mode AVX2 multithread [687500 points]

AMD Ryzen 9 3900X [Compare]

Mode FPU monothread [56922 points +6.02%]

Mode FPU multithread [546497 points +19.64%]

Mode AVX2 monothread [72248 points -3.63%]

Mode AVX2 multithread [757491 points +10.18%]

AMD Ryzen 7 3800X [Compare]

Mode FPU monothread [55260 points +2.92%]

Mode FPU multithread [326764 points -28.47%]

Mode AVX2 monothread [75487 points +0.69%]

Mode AVX2 multithread [498764 points -27.45%]

AMD Ryzen 5 3600 [Compare]

Mode FPU monothread [51265 points -4.52%]

Mode FPU multithread [263112 points -42.40%]

Mode AVX2 monothread [70239 points -6.31%]

Mode AVX2 multithread [370772 points -46.07%]

Intel Core i9-10980XE [Compare]

Mode FPU monothread [37600 points -29.97%]

Mode FPU multithread [639483 points +39.99%]

Mode AVX2 monothread [68333 points -8.85%]

Mode AVX2 multithread [1241116 points +80.53%]

Intel Engineering Sample 906ED [Compare]

Mode FPU monothread [48712 points -9.27%]

Mode FPU multithread [316120 points -30.80%]

Mode AVX2 monothread [86647 points +15.58%]

Mode AVX2 multithread [657186 points -4.41%]

AMD Ryzen 7 2700X [Compare]

Mode FPU monothread [51169 points -4.70%]

Mode FPU multithread [289536 points -36.62%]

Mode AVX2 monothread [65870 points -12.14%]

Mode AVX2 multithread [433187 points -36.99%]

Intel Core i9-9900K [Compare]

Mode FPU monothread [45532 points -15.20%]

Mode FPU multithread [266824 points -41.59%]

Mode AVX2 monothread [81908 points +9.25%]

Mode AVX2 multithread [529320 points -23.01%]

Intel Core i9-7980XE [Compare]

Mode FPU monothread [40821 points -23.97%]

Mode FPU multithread [600427 points +31.44%]

Mode AVX2 monothread [76431 points +1.95%]

Mode AVX2 multithread [1223792 points +78.01%]

Intel Core i7-10870H [Compare]

Mode FPU monothread [44898 points -16.38%]

Mode FPU multithread [240709 points -47.31%]

Mode AVX2 monothread [79200 points +5.64%]

Mode AVX2 multithread [487048 points -29.16%]

Intel Core i7-1165G7 [Compare]

Mode FPU monothread [47242 points -12.01%]

Mode FPU multithread [134033 points -70.66%]

Mode AVX2 monothread [82100 points +9.51%]

Mode AVX2 multithread [251183 points -63.46%]

FPU mode comparison

Monothread integers operations

Model

Score

Intel Core i7-4770K

4498 [2.50%]