AMD officially announces 3 types of Gravo 'Radeon RX 6000' series equipped with RDNA2 architecture GPU
At the online announcement event held on October 29, 2020 by major chip maker AMD, we announced the graphic boards ' Radeon RX 6800 ' ' Radeon RX 6800 XT ' ' Radeon RX 6900 XT ' equipped with RDNA2 GPU. The high-end model Radeon RX 6800 XT is said to have almost the same performance as rival NVIDIA's
AMD Radeon RX 6000 Series Graphics Cards | AMD
https://www.amd.com/ja/graphics/amd-radeon-rx-6000-series
AMD Reveals The Radeon RX 6000 Series: RDNA2 Starts At The High-End, Coming November 18th
https://www.anandtech.com/show/16202/amd-reveals-the-radeon-rx-6000-series-rdna2-starts-at-the-highend-coming-november-18th
The table below summarizes the specifications of the Radeon RX 6000 series 3 models and the previous generation Radeon RX 5700 XT.
| architecture | GPU | Manufacturing process | Number of transistors | Stream processor (Number of CUs) | frequency | Boost frequency | Memory clock | Memory bandwidth | VRAM | Infinity Cache | ROPs | power consumption | Release date | Release price | |
| Radeon RX 6800 | RDNA2 | Navi 21 | TSMC 7nm | 26.8 billion | 3840 units (60 units) | 1815 MHz | 2105 MHz | 16 Gbps GDDR6 | 256-bit | 16 GB | 128 MB | 96 | 250 W | November 18, 2020 | $ 579 (About 60,000 yen) |
| Radeon RX 6800 XT | RDNA2 | Navi 21 | TSMC 7nm | 26.8 billion | 4608 units? (72 units) | 2015 MHz | 2250 MHz | 16 Gbps GDDR6 | 256-bit | 16 GB | 128 MB | 128 | 300 W | November 18, 2020 | $ 649 (About 68,000 yen) |
| Radeon RX 6900 XT | RDNA2 | Navi 21 | TSMC 7nm | 26.8 billion | 5120 units? (80 units) | 2015 MHz | 2250 MHz | 16 Gbps GDDR6 | 256-bit | 16 GB | 128 MB | 128 | 300 W | December 8, 2020 | $ 999 (About 100,000 yen) |
| Radeon RX 5700 XT | RDNA | Navi 10 | TSMC 7nm | 10.3 billion | 2560 units (40 units) | 1755 MHz | 1905 MHz | 14 Gbps GDDR6 | 256-bit | 8 GB | None | 64 | 225 W | July 7, 2019 | $ 399 (About 40,000 yen) |
The GPU 'Navi 21' that adopted the RDNA2 architecture is installed in the Radeon RX 6000 series.
The RDNA2 architecture improves performance per watt by about 50% over the previous generation RDNA architecture and 125% over
The process node is TSMC 7nm. However, it is unknown whether it is 'N7 +' that applies EUV lithography.
It uses the same 7nm process as the previous generation RDNA architecture, but with optimized design, the operating frequency has increased by 30%.
In addition, Radeon Software is equipped with 'Rage Mode' that allows you to overclock with one click.
Furthermore, 'Infinity Cache', which was first installed in the RDNA2 architecture, is a function that supplements the same L3 cache memory bandwidth as the Zen 3 architecture of the CPU, contributing to power saving.
Playing a game at 4K resolution on the RX 5700 XT with RDNA architecture doubles the maximum FPS.
The next-generation RDNA 3 architecture is under design at the time of writing the article, and a roadmap to be announced in 2022 has also been released.
And the graphic board equipped with Navi 21 designed with this RDNA2 architecture is the Radeon RX 6000 series.
AMD has published the result of comparing the maximum FPS when performing 4K gaming with the cheapest model Radeon RX 6800 (red) and NVIDIA's RTX 2080 Ti (gray) in the following bar graph. The Radeon Rx 6800 has achieved comparable or better results. In addition, the result of Radeon RX 6800 uses a function called 'Smart Access Memory' that can directly access the graphics memory from the CPU. Smart Access Memory can be used in combination with AMD's '
Furthermore, when comparing the FPS in 4K gaming with Radeon 6800 XT (red) which is a higher model of Radeon RX 6800 and NVIDIA's RTX 3080 (gray), the performance was almost the same. AMD claims that the Radeon RX 6800 XT is more cost effective because it consumes less power and is cheaper than the RTX 3080.
When using Smart Access Memory with Radeon RX 6800 XT and boosting with Rage Mode, it seems that 4K gaming performance exceeding RTX 3080 was obtained.
In addition, the delay can be reduced by combining '
Radeon RX 6000 series is DirectX 12 Ultimate compliant. By using
The Radeon RX 6800 will go on sale Wednesday, November 18, 2020 and will cost $ 579.
The Radeon RX 6800 XT will go on sale Wednesday, November 18, 2020 and will cost $ 649.
And the top model Radeon RX 6900 XT will be released on Tuesday, December 8, 2020, and the price is 999 dollars. All prices are from the United States, and selling prices in Japan may vary.
AMD's online announcement event can be viewed below.
Where Gaming Begins: Ep. 2 | AMD Radeon ™ RX 6000 Series Graphics Cards --YouTube
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