GeForce RTX 4070 vs Radeon RX 7900 XTX
On raw speed the Radeon RX 7900 XTX comes out ahead: far and away the quicker card, about 51% ahead of the GeForce RTX 4070. Best performance and best value in one card here — the clear recommendation if you can afford it.
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Comparable or lower specs
Radeon RX 7900 XTX vs GeForce RTX 4070: In-Depth Breakdown
Performance: Radeon RX 7900 XTX vs GeForce RTX 4070
The Radeon RX 7900 XTX is dramatically faster, around 51% ahead of the GeForce RTX 4070. 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 GeForce RTX 4070 is better matched to 1440p.
Price & Value
The Radeon RX 7900 XTX currently lists from $30 GBP, $479 GBP less than the GeForce RTX 4070 at $509 GBP. Because it's both faster and competitively priced, the Radeon RX 7900 XTX wins on performance-per-dollar by about 2469%. The Radeon RX 7900 XTX is trading below its $999 GBP MSRP — a genuine deal. The GeForce RTX 4070 is trading below its $600 GBP MSRP — a genuine deal.
Power & Efficiency
At 200W against 355W, the GeForce RTX 4070 is both the lower-power and the more efficient card, making it the easier build to cool and power. Its more modern Ada Lovelace architecture on a TSMC N4 process is part of why it does more with each watt.
VRAM & Future-Proofing
VRAM favors the Radeon RX 7900 XTX at 24GB versus 12GB on the GeForce RTX 4070 — that extra 12GB matters most at 4K, with high-res texture packs, and for content-creation/local-AI work.
Features & Ecosystem
Beyond raw numbers, the GeForce RTX 4070 brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 7900 XTX offers AMD FSR upscaling and strong rasterization value. If you lean on upscaling or ray tracing, that ecosystem difference can matter as much as the frame-rate gap.
Which should you buy: GeForce RTX 4070 or Radeon RX 7900 XTX?
The Radeon RX 7900 XTX is the all-round winner here — it's faster and the better value, so buy it if it fits your budget. Only consider the GeForce RTX 4070 if you find it at a steep discount.
Frequently Asked Questions
Is the Radeon RX 7900 XTX better than the GeForce RTX 4070?
Which is better for 4K gaming, the GeForce RTX 4070 or the Radeon RX 7900 XTX?
Is the GeForce RTX 4070 worth the extra $479 GBP over the Radeon RX 7900 XTX?
Does the Radeon RX 7900 XTX have enough VRAM advantage to matter?
Which should you buy: GeForce RTX 4070 or Radeon RX 7900 XTX?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4070 | Radeon RX 7900 XTX |
|---|---|---|
| Architecture | Ada Lovelace | RDNA 3 |
| Process Node | TSMC N4 | TSMC N5 |
| CUDA Cores (CUDA Cores / Stream Processors) | 5,888 | 6,144✓ |
| Ray Tracing Cores | 46 | 96✓ |
| Tensor / AI Cores | 184 | 192✓ |
Clock Speeds
| Specification | GeForce RTX 4070 | Radeon RX 7900 XTX |
|---|---|---|
| Base Clock | 1,920 MHz✓ | 1,900 MHz |
| Boost Clock | 2,475 MHz | 2,500 MHz✓ |
Memory
| Specification | GeForce RTX 4070 | Radeon RX 7900 XTX |
|---|---|---|
| VRAM Capacity | 12 GB | 24 GB✓ |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus | 192-bit | 384-bit✓ |
| Memory Speed | 21 Gbps✓ | 20 Gbps |
| Bandwidth | 504 GB/s | 960 GB/s✓ |
Connectivity & Power
| Specification | GeForce RTX 4070 | Radeon RX 7900 XTX |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 200 W✓ | 355 W |
| Power Connectors | 1x 16-pin | 2x 8-pin |
| Released | Apr 2023 | Nov 2022 |
Related Reading

Is a Used RTX 4070 Still Worth Buying? A Secondary-Market Guide
Two generations on, the RTX 4070 has become a used-market staple rather than a new purchase. Here's what it still does well, what 12GB costs you, and exactly what to check before buying one secondhand.

RX 7900 XT in 2026: What 20GB Actually Buys You Now That FSR 4 Has Passed It By
The RX 7900 XT has more VRAM than almost anything near its price and is locked out of AMD's current upscaler. That single tension decides whether it is a bargain or a trap — here's how to tell which one it is for you.