Radeon RX 6900 XT 16GB vs Radeon RX 7900 XT 20GB

AMD Radeon RX 6900 XT 16GB ≈ ₹1.4 L today · 2020 Buy now

≈35% higher est. score

AMD Radeon RX 7900 XT 20GB ≈ ₹1.26 L today · 2022 Buy now

Verdict: Radeon RX 7900 XT 20GB scores about 35% higher than Radeon RX 6900 XT 16GB in our estimated gaming score; real results depend on the game, resolution and settings. At today's approximate prices, Radeon RX 7900 XT 20GB gives more estimated performance for the money.

Performance (estimate)

Est. gaming score (1440p)

Est. value: gaming score per ₹10,000 today

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Radeon RX 6900 XT 16GB Radeon RX 7900 XT 20GB

These are PC-Build's own estimates worked out from the specifications, not official NVIDIA, AMD or Intel benchmarks and not frame rates. The real gap depends on the game, the resolution and the settings. How the scores work

Why pick Radeon RX 6900 XT 16GB

No clear advantage on paper.

Why pick Radeon RX 7900 XT 20GB

35% higher estimated gaming score
4 GB more video memory (20 vs 16 GB)
56% more memory bandwidth (800 vs 512 GB/s)
About ₹14,000 cheaper today

Specifications

	Radeon RX 6900 XT 16GB	Radeon RX 7900 XT 20GB
Architecture	RDNA 2	RDNA 3
GPU chip	Navi 21	Navi 31
Stream processors	5,120	5,376
Ray accelerators	80	84
Video memory	16 GB GDDR6	20 GB GDDR6
Memory bus	256-bit	320-bit
Memory bandwidth	512 GB/s	800 GB/s
Boost clock	2.25 GHz	2.40 GHz
Board power (rated)	300 W	315 W
PCIe interface	PCIe 4.0 x16	PCIe 4.0 x16
Upscaling / frame generation	FSR 3 with Frame Generation	FSR 3 with Frame Generation
Released	2020-12-08	2022-12-13
Price today (≈)	₹1.4 L	₹1.26 L

FAQ

Is Radeon RX 6900 XT 16GB better than Radeon RX 7900 XT 20GB?

Radeon RX 7900 XT 20GB scores about 35% higher than Radeon RX 6900 XT 16GB in our estimated gaming score; real results depend on the game, resolution and settings. At today's approximate prices, Radeon RX 7900 XT 20GB gives more estimated performance for the money.

Which uses less power, Radeon RX 6900 XT 16GB or Radeon RX 7900 XT 20GB?

Radeon RX 6900 XT 16GB is rated at 300 W versus 315 W for Radeon RX 7900 XT 20GB.

Which is better value, Radeon RX 6900 XT 16GB or Radeon RX 7900 XT 20GB?

Going by today's prices (shown at the top of this page in your currency), Radeon RX 7900 XT 20GB gives more estimated performance for the money than Radeon RX 6900 XT 16GB. Prices change daily, so check the shop before you buy.

Are Radeon RX 6900 XT 16GB and Radeon RX 7900 XT 20GB good for 1440p gaming?

Yes. Radeon RX 6900 XT 16GB (16 GB GDDR6) and Radeon RX 7900 XT 20GB (20 GB GDDR6) both have more than 8 GB of video memory, a good amount for 1440p. Actual frame rates depend on the game, settings and ray tracing.