GPU Showdown

Radeon RX 6800 XTvsGeForce RTX 4090

The GeForce RTX 4090 is built for creators and enthusiasts who need maximum graphics horsepower, while the Radeon RX 6800 XT targets high-refresh-rate gamers who want strong performance without breaking the bank.

AMD Radeon RX 6800 XT
16 GB · 300W
VS
NVIDIA GeForce RTX 4090
24 GB · 450W
AMD

Radeon RX 6800 XT

RDNA 2.0 · TSMC 7 nm · 2020

60score
4.2/ 5
0 votes
VRAM
16 GB
TDP
300W
CUDA Cores
4,608
Boost Clock
2250 MHz

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NVIDIA

GeForce RTX 4090

Ada Lovelace · TSMC 5 nm · 2022

92score
3.8/ 5
0 votes
VRAM
24 GB
TDP
450W
Shaders
16,384
Boost Clock
2520 MHz

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Aggregate Performance

Overall Performance Score

A unified score from combined synthetic and real-world benchmarks. 100 represents the fastest consumer GPU available.

RX 6800 XT
60
RTX 4090Winner
92
RTX 4090 leads by 53.3% in aggregate performance.
Where they rank overall
#2RTX 509094
#3RTX 409092
#4RTX 508086
#25RX 907061
#26RX 6800 XT60
#27RTX 308060
Technical Specifications

Side-by-Side Specs

Every detail compared. Highlighted cells indicate the leading value for that metric.

SpecsRX 6800 XTRTX 4090
General
Process Node7 nm5 nm
Memory
VRAM16 GB24 GB
Memory TypeGDDR6GDDR6X
Memory Bus256-bit384-bit
Bandwidth512 GB/s1010 GB/s
Compute
CUDA Cores4,60816,384
TMUs288512
ROPs128176
Boost Clock2250 MHz2520 MHz
FP3220.74 TF82.58 TF
Power
TDP300450
Power Connectors2x 8-pin1x 16-pin
Display
Max Resolution7680×43207680×4320
Display Outputs1x HDMI, 2x DisplayPort, 1x USB Type-C1x HDMI 2.1, 3x DisplayPort 1.4a
Verdict

Which should you buy?

Winner overall

The GeForce RTX 4090 wins overall with far faster performance and more memory for demanding tasks.

Best value

For budget-minded buyers, the Radeon RX 6800 XT offers strong gaming performance at a much lower cost.

When the other wins

The Radeon RX 6800 XT is the right choice if you play at 1440p and want good frame rates without spending extra.

FAQ

Frequently asked questions

Is the RX 6800 XT better than the RTX 4090?

Overall the RTX 4090 is the stronger graphics card: it ranks higher in our aggregate performance score (92 vs 60 out of 100), so it leads the RX 6800 XT in most workloads.

How much faster is the RTX 4090 than the RX 6800 XT?

Based on our aggregated benchmark scores the RTX 4090 is roughly 53% faster than the RX 6800 XT overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the RX 6800 XT or the RTX 4090?

If you want the most performance, pick the RTX 4090. If the RX 6800 XT is meaningfully cheaper where you shop, it can be the better value for similar real-world results — check current prices and the full spec comparison above before deciding.