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AMD Radeon RX 5900

Graphics Processor
Navi 21
Cores
4096
TMUs
256
ROPs
96
Memory Size
12 GB
Memory Type
GDDR6
Bus Width
384 bit
This product is not released yet.
Data on this page may change in the future.
The Radeon RX 5900 will be a graphics card by AMD, that is expected to launch in 2020. Built on the 7 nm process, and based on the Navi 21 graphics processor, the card supports DirectX 12.0. The Navi 21 graphics processor is a large chip with a die area of 505 mm² and 21,000 million transistors. Unlike the fully unlocked Radeon RX 5950 XT, which uses the same GPU but has all 5120 shaders enabled, AMD has disabled some shading units on the Radeon RX 5900 to reach the product's target shader count. It features 4096 shading units, 256 texture mapping units and 96 ROPs. AMD has placed 12,288 MB GDDR6 memory on the card, which are connected using a 384-bit memory interface. The GPU is operating at a frequency of 1400 MHz, which can be boosted up to 1635 MHz, memory is running at 1750 MHz.
Being a dual-slot card, the AMD Radeon RX 5900 draws power from 2x 8-pin power connectors, with power draw rated at 300 W maximum. Display outputs include: 1x HDMI, 3x DisplayPort. Radeon RX 5900 is connected to the rest of the system using a PCI-Express 4.0 x16 interface.

Graphics Processor

GPU Name
Navi 21
Architecture
RDNA 2.0
Foundry
TSMC
Process Size
7 nm
Transistors
21,000 million
Die Size
505 mm²

Graphics Card

Release Date
2020
Generation
Navi
(RX Navi)
Predecessor
Vega
Production
Unreleased
Bus Interface
PCIe 4.0 x16

Clock Speeds

Base Clock
1400 MHz
Game Clock
1550 MHz
Boost Clock
1635 MHz
Memory Clock
1750 MHz
14000 MHz effective

Memory

Memory Size
12 GB
Memory Type
GDDR6
Memory Bus
384 bit
Bandwidth
672.0 GB/s

Render Config

Shading Units
4096
TMUs
256
ROPs
96
Compute Units
64
L2 Cache
6 MB

Theoretical Performance

Pixel Rate
157.0 GPixel/s
Texture Rate
418.6 GTexel/s
FP16 (half) performance
26.79 TFLOPS (2:1)
FP32 (float) performance
13.39 TFLOPS
FP64 (double) performance
837.1 GFLOPS (1:16)

Board Design

Slot Width
Dual-slot
TDP
300 W
Suggested PSU
700 W
Outputs
1x HDMI
3x DisplayPort
Power Connectors
2x 8-pin

Graphics Features

DirectX
12.0 (12_1)
OpenGL
4.6
OpenCL
2.0
Vulkan
1.1.125
Shader Model
6.5

Card Notes

Based off of speculation/reddit and other sources online.

Navi 21 GPU Notes

Architecture Codename: Navi
Graphics/Compute: GFX10 (gfx1030)
Display Core Next: X.0
Video Core Next: X.0