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 7900 XT is available. Benchmarks for other models are currently being processed.
The Radeon RX 7900 XT is dramatically faster than the Radeon RX 6700M, leading by roughly 117% in our performance index. The Radeon RX 7900 XT is the cheaper option by $1,703 GBP.
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Comparable or lower specs
Radeon RX 7900 XT vs Radeon RX 6700M: In-Depth Breakdown
Performance: Radeon RX 7900 XT vs Radeon RX 6700M
The Radeon RX 7900 XT is dramatically faster, around 117% ahead of the Radeon RX 6700M. That gap is enough to move it up a tier: the Radeon RX 7900 XT is comfortable at 4K with upscaling and native 1440p, while the Radeon RX 6700M is better matched to 1080p. The Radeon RX 7900 XT packs 5,376 stream processors versus 2,304 on the Radeon RX 6700M.
Price & Value
Right now the Radeon RX 7900 XT starts at $632 GBP against $2,335 GBP for the Radeon RX 6700M. The Radeon RX 7900 XT is trading below its $899 GBP MSRP — a genuine deal.
Power & Efficiency
The Radeon RX 6700M draws just 135W versus 300W for the Radeon RX 7900 XT, and it also delivers more performance per watt — so it runs cooler and quieter and needs less PSU headroom.
VRAM & Future-Proofing
With 20GB against 10GB, the Radeon RX 7900 XT 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 XT's memory is also faster — 800 GB/s versus 320 GB/s (320-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 XT?
The Radeon RX 7900 XT is the faster card by about 117%. 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 7900 XT better than the Radeon RX 6700M?
Which is better for 4K gaming, the Radeon RX 6700M or the Radeon RX 7900 XT?
Is the Radeon RX 6700M worth the extra $1,703 GBP over the Radeon RX 7900 XT?
Does the Radeon RX 7900 XT have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6700M | Radeon RX 7900 XT |
|---|---|---|
| Architecture | RDNA 2 | RDNA 3 |
| Process Node | TSMC 7nm | TSMC N5 |
| CUDA Cores (Stream Processors / Stream Processors) | 2,304 | 5,376✓ |
| Ray Tracing Cores | 36 | 84✓ |
| Tensor / AI Cores | 72 | 168✓ |
Clock Speeds
| Specification | Radeon RX 6700M | Radeon RX 7900 XT |
|---|---|---|
| Base Clock | 2,100 MHz✓ | 1,500 MHz |
| Boost Clock | 2,300 MHz | 2,400 MHz✓ |
Memory
| Specification | Radeon RX 6700M | Radeon RX 7900 XT |
|---|---|---|
| VRAM Capacity | 10 GB | 20 GB✓ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 160-bit | 320-bit✓ |
| Memory Speed | 16 Gbps | 20 Gbps✓ |
| Bandwidth | 320 GB/s | 800 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 6700M | Radeon RX 7900 XT |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 135 W✓ | 300 W |
| Power Connectors | None | 2x 8-pin |
| Released | Jun 2021 | Nov 2022 |
Related Reading
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The 20GB Value King: AMD Radeon RX 7900 XT Review
With its massive 20GB VRAM and aggressive price cuts, the Radeon RX 7900 XT is a high-end 4K contender that refuses to age. Is it still worth it today?