GPU Showdown

Radeon RX 6400vsGeForce RTX 4080 SUPER

The GeForce RTX 4080 SUPER is a high-end card for gamers and creators who want to run demanding titles at max settings, while the Radeon RX 6400 is a budget-friendly, low-power option for basic gaming in small or pre-built PCs.

AMD Radeon RX 6400
4 GB · 53W
VS
NVIDIA GeForce RTX 4080 SUPER
16 GB · 320W
AMD

Radeon RX 6400

RDNA 2.0 · TSMC 6 nm · 2022

19score
3.9/ 5
0 votes
VRAM
4 GB
TDP
53W
CUDA Cores
768
Boost Clock
2321 MHz

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NVIDIA

GeForce RTX 4080 SUPER

Ada Lovelace · TSMC 5 nm · 2024

82score
4.1/ 5
0 votes
VRAM
16 GB
TDP
320W
Shaders
10,240
Boost Clock
2550 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 6400
19
RTX 4080 SUPERWinner
82
RTX 4080 SUPER leads by 331.6% in aggregate performance.
Where they rank overall
#5RTX 408083
#6RTX 4080 SUPER82
#7RTX 5090 D V279
#109GTX 165019
#110RX 640019
#111RX 580 2048SP18
Technical Specifications

Side-by-Side Specs

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

SpecsRX 6400RTX 4080 SUPER
General
Process Node6 nm5 nm
Memory
VRAM4 GB16 GB
Memory TypeGDDR6GDDR6X
Memory Bus64-bit256-bit
Bandwidth128 GB/s736.3 GB/s
Compute
CUDA Cores76810,240
TMUs48320
ROPs32112
Boost Clock2321 MHz2550 MHz
FP323.565 TF52.22 TF
Power
TDP53320
Power Connectors1x 16-pin
Display
Max Resolution7680×43207680×4320
Display Outputs1x HDMI 2.1, 1x DisplayPort 1.4a1x HDMI 2.1, 3x DisplayPort 1.4a
Verdict

Which should you buy?

Winner overall

The GeForce RTX 4080 SUPER is the clear winner for anyone needing high-end performance, leaving the Radeon RX 6400 far behind.

Best value

For budget buyers, the Radeon RX 6400 offers a much lower cost and simpler operation, but the GeForce RTX 4080 SUPER provides far more performance per dollar.

When the other wins

The Radeon RX 6400 is the right choice for a basic office PC where you need a discrete GPU for display output without any gaming demands.

FAQ

Frequently asked questions

Is the RX 6400 better than the RTX 4080 SUPER?

Overall the RTX 4080 SUPER is the stronger graphics card: it ranks higher in our aggregate performance score (82 vs 19 out of 100), so it leads the RX 6400 in most workloads.

How much faster is the RTX 4080 SUPER than the RX 6400?

Based on our aggregated benchmark scores the RTX 4080 SUPER is roughly 332% faster than the RX 6400 overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the RX 6400 or the RTX 4080 SUPER?

If you want the most performance, pick the RTX 4080 SUPER. If the RX 6400 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.