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 6800M.
On raw speed the GeForce RTX 4090 comes out dramatically faster — about 167% ahead of the Radeon RX 6800M.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Comparable or lower specs
GeForce RTX 4090 vs Radeon RX 6800M: In-Depth Breakdown
Performance: GeForce RTX 4090 vs Radeon RX 6800M
The GeForce RTX 4090 is dramatically faster, around 167% ahead of the Radeon RX 6800M. 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 6800M is better matched to 1440p.
Power & Efficiency
At 145W against 450W, the Radeon RX 6800M 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 4090 carries 24GB versus 12GB on the Radeon RX 6800M. The extra 12GB 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 6800M 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 6800M?
The GeForce RTX 4090 is the faster card by about 167%. 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 6800M?
Which is better for 4K gaming, the GeForce RTX 4090 or the Radeon RX 6800M?
Does the GeForce RTX 4090 have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4090 | Radeon RX 6800M |
|---|---|---|
| Architecture | Ada Lovelace | RDNA 2 |
| Process Node | TSMC 4N | TSMC 7nm |
| CUDA Cores (CUDA Cores / Stream Processors) | 16,384✓ | 2,560 |
| Ray Tracing Cores | 128✓ | 40 |
| Tensor / AI Cores | 512✓ | 80 |
Clock Speeds
| Specification | GeForce RTX 4090 | Radeon RX 6800M |
|---|---|---|
| Base Clock | 2,235 MHz✓ | 1,975 MHz |
| Boost Clock | 2,520 MHz✓ | 2,300 MHz |
Memory
| Specification | GeForce RTX 4090 | Radeon RX 6800M |
|---|---|---|
| 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 6800M |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 450 W | 145 W✓ |
| Power Connectors | 1x 16-pin | None |
| Released | Sep 2022 | Jun 2021 |