AMD launches Radeon RX 6900 XT graphics card for 999 USD

Published: 8th Dec 2020, 13:59 GMT   Comments

AMD formally releases its Radeon RX 6900 XT, a true high-end Radeon graphics card that is finally able to compete in the high-end space.

AMD releases Radeon RX 6900 XT – The Biggest Navi

The Radeon RX 6900 is built using new architecture codenamed RDNA2. AMD made a major breakthrough in high-speed design which unlocked significant performance-per-watt increase. The company also introduced a ‘revolutionary’ Infinity Cache with the Big Navi series. AMD RDNA 2 architecture will support Microsoft 12 Ultimate and all its cutting-edge features. AMD will also offer its own developer tools called FidelityFX to further enhance the gaming experience using RDNA2 architecture.

AMD Radeon RX 6900 XT Specifications

AMD Radeon RX 6900 XT is based on Navi 21 XTX GPU with all 80 Compute Units enabled, which give a total of 5120 Stream Processors, 320 Texture Units, 128 ROPs, and 80 new specialized cores called Ray Accelerators that will handle hardware acceleration of ray tracing. The graphics card is equipped with 16GB of GDDR6 memory clocked at 16 Gbps and attached to a 256-bit memory bus. AMD Navi 21 has a die size of 519.8 mm2 packed with 26.8 billion transistors. The GPU supports HDMI 2.1 with resolutions up to 8k 120Hz. It will support 8K AV1 decoding as well as 8K HEVC encoding.

AMD Radeon RX 6900 XT

AMD Radeon RX 6000 Series Specifications
VideoCardz.comRadeon RX 6900XTRadeon RX 6800XTRadeon RX 6800
Picture
GPUNavi 21 XTXNavi 21 XTNavi 21 XL
Compute Units
 
80
 
72
 
60
Stream Processors
 
5120
 
4608
 
3840
Ray Accelerators
 
80
 
72
 
60
Texture Units
 
320
 
288
 
240
ROPs
 
128
 
128
 
96
Game Clock
 
2015 MHz
 
2015 MHz
 
1815 MHz
Boost Clock
 
2250 MHz
 
2250 MHz
 
2105 MHz
Memory
 
16GB G6
 
16GB G6
 
16GB G6
Infinity Cache
 
128 MB
 
128 MB
 
128 MB
Memory Clock
 
16 Gbps
 
16 Gbps
 
16 Gbps
Memory Bandwidth
 
512 GB/s
 
512 GB/s
 
512 GB/s
Memory Bus
 
256-bit
 
256-bit
 
256-bit
Total Board Power
 
300W
 
300W
 
250W
MSRP
 
999 USD
 
649 USD
 
579 USD
Release DateDecember 8November 18November 18

AMD Radeon RX 6900 XT Performance

AMD released a few slides featuring Radeon RX 6900 XT performance in games, with overclocking and ray tracing. Probably the most interesting slide features RTX 3090 and RX 6900 XT with AMD’s Smart Access technology. According to AMD, the RX 6900 XT will be slower than RTX 3090 in 9 out of 10 games with the new feature disabled, but it will offer better performance in 5 games once SAM is enabled:

AMD Radeon RX 6900 XT Performance, Source: AMD

AMD Smart Access Memory is currently only available to Radeon RX 6000 graphics cards and motherboards supporting Resiazle BAR feature:

AMD Radeon RX 6900 XT Performance with Smart Access Memory, Source: AMD

AMD recommends fine tunning the performance manually, which may provide additional performance:

AMD Radeon RX 6900 XT Performance with Manual Overclocking, Source: AMD

AMD demonstrates the performance of its Radeon RX 6900 XT graphics card with DirectX Raytracing enabled. The company also shows how much memory is allocated when ray tracing is enabled:

AMD Radeon RX 6900 XT Performance with Ray Tracing, Source: AMD

AMD Radeon RX 6900 XT Performance in Productivity, Source: AMD

AMD RX 6900 XT graphics cards design

AMD Radeon RX 6800 and RX 6900 XT are all the same length, 26.7 cm. The graphics cards are thus the same length as NVIDIA GeForce RTX 2080 Ti and GTX 1080 Ti. The RX 6900 XT has a TBP of 300W, which is more than NVIDIA last-gen flagship models, but still less than NVIDIA’s current RTX 3090 and RTX 3080 models (350W and 320W respectively):

AMD Radeon RX 6900 XT features a high-quality 14-layer PCB with 16 power stages (RX 6800 XT had 15). Both cards use the same layout and cooler design:

Availability

AMD Radeon RX 6900 XT has an official suggested retail price of 999 USD. Only reference models will be available for sale today. Due to the high demand and still relatively low supply for next-gen GPUs, the RX 6900 XT stock will be severely limited.




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