RX 6900 XT, RX 6800 XT, RX 6800 : Features + Specifications!

The AMD Big Navi cards are here – Radeon RX 6900 XT, Radeon RX 6800 XT and Radeon RX 6800!

Take a look at their key features and specifications!

Radeon RX 6900 XT | RX 6800 XT | RX 6800 : Specifications!

 

Radeon RX 6900 XT | RX 6800 XT | RX 6800 : Key Features

Thanks to its new RDNA 2 architecture, the AMD Radeon RX 6900 XT, Radeon RX 6800 XT and Radeon RX 6800 graphics cards offers these key features :

AMD Infinity Cache

This is a large 128 MB last-level data cache built into the die to dramatically reduce memory latency and power consumption.

AMD Smart Access Memory

This is an exclusive feature that is enabled when a Radeon RX 6000 series graphics card is paired with the Ryzen 5000 series processor and an X570 motherboard.

The Ryzen 5000 series processor is given greater access to its GDDR6 graphics memory, providing up to 13% better performance when combined with the new Rage Mode one-click overclocking setting.

DirectX 12 Ultimate Support

They will support the next-generation games with greater realism through DirectX Raytracing (DXR) and Variable Rate Shading.

New Ray Accelerator

Every RDNA 2 computer unit has a new fixed-function Ray Accelerator engine to deliver real-time lighting, shadow and reflection realism through DirectX Raytracing (DXR).

It can be paired with AMD FidelityFX to enable hybrid rendering, offering a combination of rasterised and ray-traced effects for a blend of better image quality and higher performance.

AMD Big Navi die shot

Variable Rate Shading (VRS)

Variable Rate Shading dynamically reduces the shading rate for areas of the frame that do not require a high level of visual quality, improving performance at little to no perceptible loss in image quality.

Microsoft DirectStorage Support

They will support the future DirectStorage API for faster load times, and high-quality textures.

 

Radeon RX 6900 XT | RX 6800 XT | RX 6800 : Design

AMD used the same design for all three models, with the same triple-fan cooler, and dual 8-pin PCIe power connector.

The only difference really is the thicker heatsink for the RX 6900 XT and RX 6800 XT, which results in a bulkier 2.5 card profile.

AMD Radeon RX 6800 XT build exploded

The Radeon RX 6800 has a thinner heatsink, and a slimmer 2-slot card profile :

AMD Radeon RX 6800 build exploded

 

Radeon RX 6900 XT | RX 6800 XT | RX 6800 : Specifications

Here is a table comparing their key specifications :

Specifications Radeon RX
6900 XT
Radeon RX
6800 XT
Radeon RX
6800
Transistors 26.8 billion
Fab Process 7 nm
Total Graphics Power 300 W 250 W
Compute Units 80 72 60
Ray Accelerators 80 72 60
Stream Processors 5120 4608 3840
Game Clock 2015 MHz 2015 MHz 1815 MHz
Boost Clock 2250 MHz 2250 MHz 2105 MHz
TFLOPS 23.04 20.74 16.17
TMUs 320 288 240
Max. Texture Rate 720 GT/s 648 GT/s 505 GT/s
ROPs 128 96
Max. Pixel Rate 288 GP/s 202 GP/s
Infinity Cache 128 MB
Graphics Memory 16 GB GDDR6 (16 Gbps)
Bus Width 256-bit
Bandwidth 512 GB/s
PCIe Interface PCIe 4.0 x16
PCIe Power 2 x 8-pin

 

Radeon RX 6900 XT | RX 6800 XT | RX 6800 : Price + Availability

All three Radeon RX 6000 series graphic cards will be available at these prices :

  • Radeon RX 6900 XT : US$999 (8 December 2020)
  • Radeon RX 6800 XT : US$649 (18 November 2020)
  • Radeon RX 6800 : US$579 (18 November 2020)

It looks like the AMD Radeon RX 6900 XT will only be built using the AMD reference design.

Custom Radeon RX 6800 XT and Radeon RX 6000 boards will be available from brands like ASRock, ASUS, Gigabyte starting in November 2020.

 

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