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 6800 and Radeon RX 7900M.
The Radeon RX 7900M is noticeably faster than the Radeon RX 6800, leading by roughly 16% in our performance index.
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Radeon RX 7900M vs Radeon RX 6800: In-Depth Breakdown
Performance: Radeon RX 7900M vs Radeon RX 6800
The Radeon RX 7900M is noticeably faster, around 16% ahead of the Radeon RX 6800. Both cards sit in the same broad class, well suited to 1440p. The Radeon RX 7900M packs 4,608 stream processors versus 3,840 on the Radeon RX 6800.
Power & Efficiency
The Radeon RX 7900M draws just 180W versus 250W for the Radeon RX 6800, 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 6800 (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 6800 or Radeon RX 7900M?
The Radeon RX 7900M is the faster card by about 16%. 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 6800?
Which is better for 4K gaming, the Radeon RX 6800 or the Radeon RX 7900M?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6800 | Radeon RX 7900M |
|---|---|---|
| Architecture | RDNA 2 | RDNA 3 |
| Process Node | TSMC N7 | TSMC N5 |
| CUDA Cores (Stream Processors / Stream Processors) | 3,840 | 4,608✓ |
| Ray Tracing Cores | 60 | 72✓ |
| Tensor / AI Cores | — | 144 |
Clock Speeds
| Specification | Radeon RX 6800 | Radeon RX 7900M |
|---|---|---|
| Base Clock | 1,700 MHz | 1,825 MHz✓ |
| Boost Clock | 2,105 MHz✓ | 2,090 MHz |
Memory
| Specification | Radeon RX 6800 | 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 6800 | Radeon RX 7900M |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 250 W | 180 W✓ |
| Power Connectors | 2x 8-pin | None |
| Released | Nov 2020 | Oct 2023 |