GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
On raw speed the GeForce RTX 3090 Ti comes out dramatically faster — about 543% ahead of the Radeon RX 6400.
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GeForce RTX 3090 Ti vs Radeon RX 6400: In-Depth Breakdown
Performance: GeForce RTX 3090 Ti vs Radeon RX 6400
The GeForce RTX 3090 Ti is dramatically faster, around 543% ahead of the Radeon RX 6400. That gap is enough to move it up a tier: the GeForce RTX 3090 Ti is comfortable at 4K with upscaling and native 1440p, while the Radeon RX 6400 is better matched to entry-level 1080p.
Power & Efficiency
At 53W against 450W, the Radeon RX 6400 is both the lower-power and the more efficient card, making it the easier build to cool and power.
VRAM & Future-Proofing
The GeForce RTX 3090 Ti carries 24GB versus 4GB on the Radeon RX 6400. The extra 20GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.
Features & Ecosystem
Beyond raw numbers, the Radeon RX 6400 brings AMD FSR upscaling and strong rasterization value, while the GeForce RTX 3090 Ti offers NVIDIA DLSS upscaling/frame generation and stronger ray tracing. If you lean on upscaling or ray tracing, that ecosystem difference can matter as much as the frame-rate gap.
Which should you buy: Radeon RX 6400 or GeForce RTX 3090 Ti?
The GeForce RTX 3090 Ti is the faster card by about 543%. With live pricing limited for this pair, base your decision on the spec differences above — particularly VRAM and power draw — and check current stock before buying.