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 7900 XTX.
On raw speed the GeForce RTX 4090 comes out significantly faster — about 29% ahead of the Radeon RX 7900 XTX.
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Comparable or lower specs
GeForce RTX 4090 vs Radeon RX 7900 XTX: In-Depth Breakdown
Performance: GeForce RTX 4090 vs Radeon RX 7900 XTX
The GeForce RTX 4090 is significantly faster, around 29% ahead of the Radeon RX 7900 XTX. 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 7900 XTX is better matched to 4K with upscaling and native 1440p.
Power & Efficiency
On power, the Radeon RX 7900 XTX is the gentler choice at 355W 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.
Features & Ecosystem
Beyond raw numbers, the GeForce RTX 4090 brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 7900 XTX 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 7900 XTX?
The GeForce RTX 4090 is the faster card by about 29%. 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 7900 XTX?
Which is better for 4K gaming, the GeForce RTX 4090 or the Radeon RX 7900 XTX?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4090 | Radeon RX 7900 XTX |
|---|---|---|
| Architecture | Ada Lovelace | RDNA 3 |
| Process Node | TSMC 4N | TSMC N5 |
| CUDA Cores (CUDA Cores / Stream Processors) | 16,384✓ | 6,144 |
| Ray Tracing Cores | 128✓ | 96 |
| Tensor / AI Cores | 512✓ | 192 |
Clock Speeds
| Specification | GeForce RTX 4090 | Radeon RX 7900 XTX |
|---|---|---|
| Base Clock | 2,235 MHz✓ | 1,900 MHz |
| Boost Clock | 2,520 MHz✓ | 2,500 MHz |
Memory
| Specification | GeForce RTX 4090 | Radeon RX 7900 XTX |
|---|---|---|
| VRAM Capacity | 24 GB | 24 GB |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus | 384-bit | 384-bit |
| Memory Speed | 21 Gbps✓ | 20 Gbps |
| Bandwidth | 1,008 GB/s✓ | 960 GB/s |
Connectivity & Power
| Specification | GeForce RTX 4090 | Radeon RX 7900 XTX |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 450 W | 355 W✓ |
| Power Connectors | 1x 16-pin | 2x 8-pin |
| Released | Sep 2022 | Nov 2022 |
