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 Radeon RX 6700 XT and Radeon RX 7900M.
The Radeon RX 7900M is dramatically faster than the Radeon RX 6700 XT, leading by roughly 50% in our performance index.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Radeon RX 7900M vs Radeon RX 6700 XT: In-Depth Breakdown
Performance: Radeon RX 7900M vs Radeon RX 6700 XT
The Radeon RX 7900M is dramatically faster, around 50% ahead of the Radeon RX 6700 XT. That gap is enough to move it up a tier: the Radeon RX 7900M is comfortable at 1440p, while the Radeon RX 6700 XT is better matched to 1080p. The Radeon RX 7900M packs 4,608 stream processors versus 2,560 on the Radeon RX 6700 XT.
Power & Efficiency
The Radeon RX 7900M draws just 180W versus 230W for the Radeon RX 6700 XT, and it also delivers more performance per watt — so it runs cooler and quieter and needs less PSU headroom. Its more modern RDNA 3 architecture on a TSMC N5 process is part of why it does more with each watt.
VRAM & Future-Proofing
With 16GB against 12GB, the Radeon RX 7900M has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 6700 XT's 12GB can fall short. The Radeon RX 7900M's memory is also faster — 576 GB/s versus 384 GB/s (256-bit vs 192-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Radeon RX 7900M is roughly 2 years newer than the Radeon RX 6700 XT (RDNA 3 vs RDNA 2), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: Radeon RX 6700 XT or Radeon RX 7900M?
The Radeon RX 7900M is the faster card by about 50%. 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 Radeon RX 7900M better than the Radeon RX 6700 XT?
Which is better for 4K gaming, the Radeon RX 6700 XT or the Radeon RX 7900M?
Does the Radeon RX 7900M have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6700 XT | Radeon RX 7900M |
|---|---|---|
| Architecture | RDNA 2 | RDNA 3 |
| Process Node | TSMC N7 | TSMC N5 |
| CUDA Cores (Stream Processors / Stream Processors) | 2,560 | 4,608✓ |
| Ray Tracing Cores | 40 | 72✓ |
| Tensor / AI Cores | — | 144 |
Clock Speeds
| Specification | Radeon RX 6700 XT | Radeon RX 7900M |
|---|---|---|
| Base Clock | 2,321 MHz✓ | 1,825 MHz |
| Boost Clock | 2,581 MHz✓ | 2,090 MHz |
Memory
| Specification | Radeon RX 6700 XT | Radeon RX 7900M |
|---|---|---|
| VRAM Capacity | 12 GB | 16 GB✓ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 192-bit | 256-bit✓ |
| Memory Speed | 16 Gbps | 18 Gbps✓ |
| Bandwidth | 384 GB/s | 576 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 6700 XT | Radeon RX 7900M |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 230 W | 180 W✓ |
| Power Connectors | 1x 6-pin + 1x 8-pin | None |
| Released | Mar 2021 | Oct 2023 |