GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Market comparison is currently pending while we verify the latest benchmarks for GeForce RTX 4090 and Radeon RX 6950 XT.
On raw speed the GeForce RTX 4090 comes out dramatically faster — about 71% ahead of the Radeon RX 6950 XT.
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Comparable or lower specs
GeForce RTX 4090 vs Radeon RX 6950 XT: In-Depth Breakdown
Performance: GeForce RTX 4090 vs Radeon RX 6950 XT
The GeForce RTX 4090 is dramatically faster, around 71% ahead of the Radeon RX 6950 XT. That gap is enough to move it up a tier: the GeForce RTX 4090 is comfortable at 4K and high-refresh 1440p, while the Radeon RX 6950 XT is better matched to 4K with upscaling and native 1440p.
Power & Efficiency
On power, the Radeon RX 6950 XT is the gentler choice at 335W versus 450W. The GeForce RTX 4090 is more efficient per watt because it's faster, but its higher 450W draw means more heat and a bigger PSU.
VRAM & Future-Proofing
The GeForce RTX 4090 carries 24GB versus 16GB on the Radeon RX 6950 XT. The extra 8GB 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 4090 brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 6950 XT 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 4090 or Radeon RX 6950 XT?
The GeForce RTX 4090 is the faster card by about 71%. 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 4090 better than the Radeon RX 6950 XT?
Which is better for 4K gaming, the GeForce RTX 4090 or the Radeon RX 6950 XT?
Does the GeForce RTX 4090 have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4090 | Radeon RX 6950 XT |
|---|---|---|
| Architecture | Ada Lovelace | RDNA 2 |
| Process Node | TSMC 4N | TSMC N7 |
| CUDA Cores (CUDA Cores / Stream Processors) | 16,384✓ | 5,120 |
| Ray Tracing Cores | 128✓ | 80 |
| Tensor / AI Cores | 512 | — |
Clock Speeds
| Specification | GeForce RTX 4090 | Radeon RX 6950 XT |
|---|---|---|
| Base Clock | 2,235 MHz✓ | 1,860 MHz |
| Boost Clock | 2,520 MHz✓ | 2,310 MHz |
Memory
| Specification | GeForce RTX 4090 | Radeon RX 6950 XT |
|---|---|---|
| VRAM Capacity | 24 GB✓ | 16 GB |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus | 384-bit✓ | 256-bit |
| Memory Speed | 21 Gbps✓ | 18 Gbps |
| Bandwidth | 1,008 GB/s✓ | 576 GB/s |
Connectivity & Power
| Specification | GeForce RTX 4090 | Radeon RX 6950 XT |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 450 W | 335 W✓ |
| Power Connectors | 1x 16-pin | 2x 8-pin |
| Released | Sep 2022 | May 2022 |