Radeon RX 6700M vs Radeon RX 7900 XTX
The Radeon RX 7900 XTX is dramatically faster than the Radeon RX 6700M, leading by roughly 143% in our performance index.
Market Value Leader
Only verified data for Radeon RX 7900 XTX is available. Benchmarks for other models are currently being processed.
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Comparable or lower specs
Radeon RX 7900 XTX vs Radeon RX 6700M: In-Depth Breakdown
Performance: Radeon RX 7900 XTX vs Radeon RX 6700M
The Radeon RX 7900 XTX is dramatically faster, around 143% ahead of the Radeon RX 6700M. That gap is enough to move it up a tier: the Radeon RX 7900 XTX is comfortable at 4K with upscaling and native 1440p, while the Radeon RX 6700M is better matched to 1080p. The Radeon RX 7900 XTX packs 6,144 stream processors versus 2,304 on the Radeon RX 6700M.
Power & Efficiency
The Radeon RX 6700M draws just 135W versus 355W for the Radeon RX 7900 XTX, and it also delivers more performance per watt — so it runs cooler and quieter and needs less PSU headroom.
VRAM & Future-Proofing
With 24GB against 10GB, the Radeon RX 7900 XTX has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 6700M's 10GB can fall short. The Radeon RX 7900 XTX's memory is also faster — 960 GB/s versus 320 GB/s (384-bit vs 160-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: Radeon RX 6700M or Radeon RX 7900 XTX?
The Radeon RX 7900 XTX is the faster card by about 143%. Since one of these is a laptop GPU, its listed price covers the whole system rather than just the chip, so it isn't directly comparable — base your decision on the spec differences above.
Frequently Asked Questions
Is the Radeon RX 7900 XTX better than the Radeon RX 6700M?
Which is better for 4K gaming, the Radeon RX 6700M or the Radeon RX 7900 XTX?
Does the Radeon RX 7900 XTX have enough VRAM advantage to matter?
Which should you buy: Radeon RX 6700M or Radeon RX 7900 XTX?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6700M | Radeon RX 7900 XTX |
|---|---|---|
| Architecture | RDNA 2 | RDNA 3 |
| Process Node | TSMC 7nm | TSMC N5 |
| CUDA Cores (Stream Processors / Stream Processors) | 2,304 | 6,144✓ |
| Ray Tracing Cores | 36 | 96✓ |
| Tensor / AI Cores | 72 | 192✓ |
Clock Speeds
| Specification | Radeon RX 6700M | Radeon RX 7900 XTX |
|---|---|---|
| Base Clock | 2,100 MHz✓ | 1,900 MHz |
| Boost Clock | 2,300 MHz | 2,500 MHz✓ |
Memory
| Specification | Radeon RX 6700M | Radeon RX 7900 XTX |
|---|---|---|
| VRAM Capacity | 10 GB | 24 GB✓ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 160-bit | 384-bit✓ |
| Memory Speed | 16 Gbps | 20 Gbps✓ |
| Bandwidth | 320 GB/s | 960 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 6700M | Radeon RX 7900 XTX |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 135 W✓ | 355 W |
| Power Connectors | None | 2x 8-pin |
| Released | Jun 2021 | Nov 2022 |
