Radeon RX 7900 XTX vs Radeon RX 9070
Performance-wise the Radeon RX 7900 XTX is out front, significantly faster, roughly 24% up on the Radeon RX 9070. It is also the stronger value pick here, so it's the easy recommendation if your budget allows.
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Radeon RX 7900 XTX vs Radeon RX 9070: In-Depth Breakdown
Performance: Radeon RX 7900 XTX vs Radeon RX 9070
The Radeon RX 7900 XTX is significantly faster, around 24% ahead of the Radeon RX 9070. Both cards sit in the same broad class, well suited to 4K with upscaling and native 1440p. The Radeon RX 7900 XTX packs 6,144 stream processors versus 3,584 on the Radeon RX 9070.
Price & Value
Right now the Radeon RX 7900 XTX starts at $30 GBP against $550 GBP for the Radeon RX 9070. Because it's both faster and competitively priced, the Radeon RX 7900 XTX wins on performance-per-dollar by about 2182%. The Radeon RX 7900 XTX is trading below its $999 GBP MSRP — a genuine deal.
Power & Efficiency
The Radeon RX 9070 sips power at 220W next to the Radeon RX 7900 XTX's 355W, and still leads on performance-per-watt — quieter, cooler, and gentler on your PSU. Its more modern RDNA 4 architecture on a TSMC N4 process is part of why it does more with each watt.
VRAM & Future-Proofing
The Radeon RX 7900 XTX's 24GB (vs 16GB on the Radeon RX 9070) gives it more room for 4K textures and memory-hungry creative or AI workloads. The Radeon RX 7900 XTX's memory is also faster — 960 GB/s versus 645 GB/s (384-bit vs 256-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Radeon RX 9070 is roughly 3 years newer than the Radeon RX 7900 XTX (RDNA 4 vs RDNA 3), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: Radeon RX 7900 XTX or Radeon RX 9070?
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 Radeon RX 9070 if you find it at a steep discount.
Frequently Asked Questions
Is the Radeon RX 7900 XTX better than the Radeon RX 9070?
Which is better for 4K gaming, the Radeon RX 7900 XTX or the Radeon RX 9070?
Is the Radeon RX 9070 worth the extra $520 GBP over the Radeon RX 7900 XTX?
Does the Radeon RX 7900 XTX have enough VRAM advantage to matter?
Which should you buy: Radeon RX 7900 XTX or Radeon RX 9070?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 7900 XTX | Radeon RX 9070 |
|---|---|---|
| Architecture | RDNA 3 | RDNA 4 |
| Process Node | TSMC N5 | TSMC N4 |
| CUDA Cores (Stream Processors / Stream Processors) | 6,144✓ | 3,584 |
| Ray Tracing Cores | 96✓ | 56 |
| Tensor / AI Cores | 192✓ | 112 |
Clock Speeds
| Specification | Radeon RX 7900 XTX | Radeon RX 9070 |
|---|---|---|
| Base Clock | 1,900 MHz✓ | 1,330 MHz |
| Boost Clock | 2,500 MHz | 2,520 MHz✓ |
Memory
| Specification | Radeon RX 7900 XTX | Radeon RX 9070 |
|---|---|---|
| VRAM Capacity | 24 GB✓ | 16 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 384-bit✓ | 256-bit |
| Memory Speed | 20 Gbps | 20 Gbps |
| Bandwidth | 960 GB/s✓ | 644.6 GB/s |
Connectivity & Power
| Specification | Radeon RX 7900 XTX | Radeon RX 9070 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 5.0 x16 |
| TDP | 355 W | 220 W✓ |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Released | Nov 2022 | Mar 2025 |
Related Reading
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