GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Only verified data for Radeon RX 6400 is available. Benchmarks for other models are currently being processed.
On raw speed the GeForce RTX 3090 Ti comes out dramatically faster — about 633% 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 633% 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 GeForce RTX 3090 Ti brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 6400 offers AMD FSR upscaling and strong rasterization value. If you lean on upscaling or ray tracing, that ecosystem difference can matter as much as the frame-rate gap.
Which should you buy: GeForce RTX 3090 Ti or Radeon RX 6400?
The GeForce RTX 3090 Ti is the faster card by about 633%. 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.
Frequently Asked Questions
Is the GeForce RTX 3090 Ti better than the Radeon RX 6400?
Which is better for 4K gaming, the GeForce RTX 3090 Ti or the Radeon RX 6400?
Does the GeForce RTX 3090 Ti have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 3090 Ti | Radeon RX 6400 |
|---|---|---|
| Architecture | Ampere | RDNA 2 |
| Process Node | Samsung 8nm | TSMC N6 |
| CUDA Cores (CUDA Cores / Stream Processors) | 10,752✓ | 768 |
| Ray Tracing Cores | 84✓ | 12 |
| Tensor / AI Cores | 336 | — |
Clock Speeds
| Specification | GeForce RTX 3090 Ti | Radeon RX 6400 |
|---|---|---|
| Base Clock | 1,560 MHz | 1,923 MHz✓ |
| Boost Clock | 1,860 MHz | 2,321 MHz✓ |
Memory
| Specification | GeForce RTX 3090 Ti | Radeon RX 6400 |
|---|---|---|
| VRAM Capacity | 24 GB✓ | 4 GB |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus | 384-bit✓ | 64-bit |
| Memory Speed | 21 Gbps✓ | 16 Gbps |
| Bandwidth | 1,008 GB/s✓ | 128 GB/s |
Connectivity & Power
| Specification | GeForce RTX 3090 Ti | Radeon RX 6400 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x4 |
| TDP | 450 W | 53 W✓ |
| Power Connectors | 1x 16-pin | None |
| Released | Mar 2022 | Jan 2022 |