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 6900 XT is available. Benchmarks for other models are currently being processed.
The Radeon RX 6900 XT is noticeably faster than the Radeon RX 7900M, leading by roughly 11% in our performance index.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Radeon RX 6900 XT vs Radeon RX 7900M: In-Depth Breakdown
Performance: Radeon RX 6900 XT vs Radeon RX 7900M
The Radeon RX 6900 XT is noticeably faster, around 11% ahead of the Radeon RX 7900M. Both cards sit in the same broad class, well suited to 1440p. The Radeon RX 6900 XT packs 5,120 stream processors versus 4,608 on the Radeon RX 7900M.
Power & Efficiency
The Radeon RX 7900M draws just 180W versus 300W for the Radeon RX 6900 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.
Memory & Bandwidth
The Radeon RX 7900M's memory is faster — 576 GB/s versus 512 GB/s — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Radeon RX 7900M is roughly 3 years newer than the Radeon RX 6900 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 6900 XT or Radeon RX 7900M?
The Radeon RX 6900 XT is the faster card by about 11%. 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 6900 XT better than the Radeon RX 7900M?
Which is better for 4K gaming, the Radeon RX 6900 XT or the Radeon RX 7900M?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6900 XT | Radeon RX 7900M |
|---|---|---|
| Architecture | RDNA 2 | RDNA 3 |
| Process Node | TSMC N7 | TSMC N5 |
| CUDA Cores (Stream Processors / Stream Processors) | 5,120✓ | 4,608 |
| Ray Tracing Cores | 80✓ | 72 |
| Tensor / AI Cores | — | 144 |
Clock Speeds
| Specification | Radeon RX 6900 XT | Radeon RX 7900M |
|---|---|---|
| Base Clock | 1,825 MHz | 1,825 MHz |
| Boost Clock | 2,250 MHz✓ | 2,090 MHz |
Memory
| Specification | Radeon RX 6900 XT | Radeon RX 7900M |
|---|---|---|
| VRAM Capacity | 16 GB | 16 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256-bit | 256-bit |
| Memory Speed | 16 Gbps | 18 Gbps✓ |
| Bandwidth | 512 GB/s | 576 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 6900 XT | Radeon RX 7900M |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 300 W | 180 W✓ |
| Power Connectors | 2x 8-pin | None |
| Released | Dec 2020 | Oct 2023 |