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 6700 XT is available. Benchmarks for other models are currently being processed.
The GeForce RTX 4090 is dramatically faster than the Radeon RX 6700 XT, leading by roughly 200% in our performance index.
Maximum Capacity Reached. Remove a model to add another. (2/2)
GeForce RTX 4090 vs Radeon RX 6700 XT: In-Depth Breakdown
Performance: GeForce RTX 4090 vs Radeon RX 6700 XT
The GeForce RTX 4090 is dramatically faster, around 200% ahead of the Radeon RX 6700 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 6700 XT is better matched to 1080p.
Power & Efficiency
The Radeon RX 6700 XT pulls less power (230W vs 450W), so it's the easier card to cool and the lighter load on your PSU. The faster GeForce RTX 4090 draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it. Its more modern Ada Lovelace architecture on a TSMC 4N process is part of why it does more with each watt.
VRAM & Future-Proofing
With 24GB against 12GB, the GeForce RTX 4090 has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 6700 XT's 12GB can fall short.
Features & Ecosystem
Beyond raw numbers, the GeForce RTX 4090 brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 6700 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 6700 XT?
The GeForce RTX 4090 is the faster card by about 200%. 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 6700 XT?
Which is better for 4K gaming, the GeForce RTX 4090 or the Radeon RX 6700 XT?
Does the GeForce RTX 4090 have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4090 | Radeon RX 6700 XT |
|---|---|---|
| Architecture | Ada Lovelace | RDNA 2 |
| Process Node | TSMC 4N | TSMC N7 |
| CUDA Cores (CUDA Cores / Stream Processors) | 16,384✓ | 2,560 |
| Ray Tracing Cores | 128✓ | 40 |
| Tensor / AI Cores | 512 | — |
Clock Speeds
| Specification | GeForce RTX 4090 | Radeon RX 6700 XT |
|---|---|---|
| Base Clock | 2,235 MHz | 2,321 MHz✓ |
| Boost Clock | 2,520 MHz | 2,581 MHz✓ |
Memory
| Specification | GeForce RTX 4090 | Radeon RX 6700 XT |
|---|---|---|
| VRAM Capacity | 24 GB✓ | 12 GB |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus | 384-bit✓ | 192-bit |
| Memory Speed | 21 Gbps✓ | 16 Gbps |
| Bandwidth | 1,008 GB/s✓ | 384 GB/s |
Connectivity & Power
| Specification | GeForce RTX 4090 | Radeon RX 6700 XT |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 450 W | 230 W✓ |
| Power Connectors | 1x 16-pin | 1x 6-pin + 1x 8-pin |
| Released | Sep 2022 | Mar 2021 |