AMD Radeon RX 6000 Series : What You Need To Know!

AMD just revealed the Radeon RX 6000 Series, featuring the Radeon RX 6900 XT, Radeon RX 6800 XT and Radeon RX 6800 graphics cards.

Here is what you need to know about these AMD Big Navi graphics cards, built on the new RDNA 2 architecture!


AMD Radeon RX 6000 Series : New RDNA 2 Architecture

The AMD Radeon RX 6000 Series is built upon the new RDNA 2 architecture, which introduces an enhanced compute unit, a new visual pipeline, and the all-new AMD Infinity Cache!

RDNA 2 promises to deliver up to 54% better performance per watt over the last-generation RDNA, and up to 2.17X more bandwidth with its new Infinity Cache.

The enhanced RDNA 2 compute unit also comes with a Ray Accelerator, which offers hardware acceleration of ray tracing workloads.


AMD Radeon RX 6000 Series : Key Features

Thanks to its new RDNA 2 architecture, the AMD Radeon RX 6000 Series 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 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 refection 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.

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.


AMD Radeon RX 6000 Series : Models + Specifications

AMD is introducing three models in the Radeon RX 6000 series :

  • Radeon RX 6900 XT : 80 CUs, 80 RAs, 320 TMUs, 128 ROPs, 16 GB DDR6
  • Radeon RX 6800 XT : 72 CUs, 72 RAs, 288 TMUs, 128 ROPs, 16 GB DDR6
  • Radeon RX 6800 : 60 CUs, 60 RAs, 240 TMUs, 96 ROPs, 16 GB DDR6

Here is a table comparing their key specifications :

Specifications Radeon RX
6900 XT
Radeon RX
6800 XT
Radeon RX
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


AMD Radeon RX 6000 Series : 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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