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AMD Navi 21 XT “Big Navi” GPU for Radeon RX 6900 XT reportedly has 2.4 GHz clocks, 16 GB GDDR6 VRAM and 255W TDP

Specifications for AMD Navi 21 XT “Big Navi” GPU for Radeon RX 6900 XT graphics card have been reported by Patrick Schur, who has been very trustworthy in terms of his information. According to the reported specifications, the AMD Radeon RX 6900 XT looks like a beast of a graphics card with crazy watches.

AMD Radeon RX 6900 XT with Navi 21 XT “Big Navi” GPU featuring insane 2.4 GHz gaming, 16 GB GDDR6 VRAM & 255W TGP

Patrick says in his tweet that the AMD Navi 21 XT GPU, which is supposedly the “Big Navi” GPU that all enthusiastic gamers have been waiting for, will be an insane chip. Som pr. Previous reports show 21 XT GPUs on Radeon RX 6900 XT graphics cards, but there are also reports that there is a faster XTX variant that would be even faster.

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The Navi 21 XT GPU will reportedly be a powerhouse for a chip with one clocks at around 2.4 GHz which are the highest clock speeds we get to see on a consumable desktop-grade graphics card. This also suggests that we can expect even higher boost rates given the game and boost clocks are separate, as the game clock is the average clock frequency that the GPU can maintain in games, while the boost clock is the highest frequency that the GPU’s. one can hit.

The GPU is also said to have a TGP (Total Graphics Power) of 255W. This does not mean all the power, but rather the GPU itself. The GeForce RTX 3080 by comparison has a TDP of 320W, and the GeForce RTX 3070 has a TDP of 220W.

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The graphics card based on the Navi 21 XT GPU, which is said to be the Radeon RX 6900 XT, is said to have 16 GB of GDDR6 memory which is also what we have seen in various previous leaks. In terms of comparative metrics, performance seems to be very close to the NVIDIA GeForce RTX 3080 graphics card, which is very impressive for AMD to hit, and if they can price the Big Navi graphics card just around $ 499- $ 599 US, then they have a killer 4K solution in their hands.

Rogame already pointed out at least four SKUs for the Navi 21 (RDNA 2) GPU, but we knew nothing but the PCI IDs. There is active speculation going on right now regarding the exact specifications and configurations of each SKU in terms of core counts, structure mapping devices and ROPs, as we now know that the GPU consists of 5120 stream processors packed within 80 CUs.

According to Rogame, the Navi 21 GPU currently has the following SKUs:

  • Navi 21 XTX (0x731F: D0)
  • Navi 21 XT (0x731F: D1)
  • Navi 21 XL (0x731F: D3)
  • Navi 21 XLE (0x731F: DF)

AMD’s RTG Flagship GPUs Comparison:

Graphics card AMD Radeon R9 Fury X AMD Radeon RX Vega 64 AMD Radeon VII AMD Radeon RX 5700 XT AMD Radeon RX 6900 XT
GPU code name Fiji XT Vega 10 XT Vega 20 XT Ships 10 XT Ships 21 XT?
GPU process 28 nm 14 nm 7 nm 7 nm 7 nm +?
Transistors 8.9 billion 12.5 billion 13.3 billion 10.3 billion TBA
Die size 596mm2 495mm2 331mm2 251mm2 ~ 500-540 mm2
Calculate units 64 64 60 40 80?
Stream processors 4096 4096 3840 2560 5120?
TMUs / ROPs 256/64 256/64 240/64 160/64 TBA
Base ur 1050 MHz 1247 MHz 1400 MHz 1605 MHz TBA
Boost Clock 1050 MHz 1546 MHz 1750 MHz 1905 MHz TBA
Memory size 4 GB HBM1 8 GB HBM2 16 GB HBM2 8 GB GDDR6 16 GB GDDR6?
Memory Bus 4096-bit 2048-bit 4096-bit 256-bit 256-bit?
Bandwidth 512 GB / s 484 GB / s 1024 GB / s 448 GB / s 512 GB / s?
TDP 275W 295W 295W 225W 255W?
Price $ 649 $ 499 $ 699 $ 399 US TBA
Start 2015 2017 2019 2019 2020

AMD Radeon RX 6900 series with triple slot cooling solution:

As for the designs themselves, the Radeon RX 6000 flagship’s cool design looks great with the red and black design. The card has a triple setup of axial technology fan on the casing and has a large aluminum heat sink that runs under it. The card has an LED-lit Radeon logo on the side, and there is a large cutout on the side that fans can draw hot air out of. This design is very similar to the NVIDIA GeForce RTX 20 Series Founders Edition cooler. The card has dual 8-pin power, and monitor ports will include a USB Type-C (VirtualLink), 1 HDMI, and 2 DisplayPort connectors.

The card also has a beautiful back plate along with a mounting bracket to hold the radiator in place. The Radeon RX “Big Navi” GPU looks like it comes in standard 2-slot reference design, which is the same as NVIDIA’s flagship RTX 3080, but not as large as the triple slot GeForce RTX 3090.

AMD officially unveils its Radeon RX 6000 Series graphics card family on October 28th. The second half of 2020 would definitely be interesting times for all hardware enthusiasts and regular PC gamers looking forward to upgrading their PCs with the best hardware.

How fast do you think AMD’s Big Navi (RDNA 2) GPU Powered Radeon RX graphics card will be?

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