Radeon RX 7800 XT vs Radeon RX 7900 XT
The Radeon RX 7900 XT is a big jump in performance — leading the Radeon RX 7800 XT by roughly 35% in our performance index. It also comes out ahead on value, making it the straightforward pick if the price fits your budget.
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Radeon RX 7900 XT vs Radeon RX 7800 XT: In-Depth Breakdown
Performance: Radeon RX 7900 XT vs Radeon RX 7800 XT
The Radeon RX 7900 XT is significantly faster, around 35% ahead of the Radeon RX 7800 XT. 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 7800 XT is better matched to 1440p. The Radeon RX 7900 XT packs 5,376 stream processors versus 3,840 on the Radeon RX 7800 XT. The Radeon RX 7900 XT also has more RT cores (84 vs 60) and more AI cores (168 vs 120), strengthening its ray-tracing and AI-upscaling performance.
Price & Value
On price, expect to pay $520 USD for the Radeon RX 7800 XT versus $600 USD for the Radeon RX 7900 XT. Because it's both faster and competitively priced, the Radeon RX 7900 XT wins on performance-per-dollar by about 17%. The Radeon RX 7900 XT is trading below its $899 USD MSRP — a genuine deal.
Power & Efficiency
The Radeon RX 7800 XT pulls less power (263W vs 315W), so it's the easier card to cool and the lighter load on your PSU. The faster Radeon RX 7900 XT draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it.
VRAM & Future-Proofing
With 20GB against 16GB, the Radeon RX 7900 XT has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 7800 XT's 16GB can fall short. The Radeon RX 7900 XT's memory is also faster — 800 GB/s versus 624 GB/s (320-bit vs 256-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: Radeon RX 7800 XT or Radeon RX 7900 XT?
The Radeon RX 7900 XT 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 7800 XT if you find it at a steep discount.
Frequently Asked Questions
Is the Radeon RX 7900 XT better than the Radeon RX 7800 XT?
Which is better for 4K gaming, the Radeon RX 7800 XT or the Radeon RX 7900 XT?
Is the Radeon RX 7900 XT worth the extra $80 USD over the Radeon RX 7800 XT?
Does the Radeon RX 7900 XT have enough VRAM advantage to matter?
Which is better for ray tracing, the Radeon RX 7900 XT or the Radeon RX 7800 XT?
Which should you buy: Radeon RX 7800 XT or Radeon RX 7900 XT?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 7800 XT | Radeon RX 7900 XT |
|---|---|---|
| Architecture | RDNA 3 | RDNA 3 |
| Process Node | TSMC N5 | TSMC N5 |
| CUDA Cores (Stream Processors / Stream Processors) | 3,840 | 5,376✓ |
| Ray Tracing Cores | 60 | 84✓ |
| Tensor / AI Cores | 120 | 168✓ |
Clock Speeds
| Specification | Radeon RX 7800 XT | Radeon RX 7900 XT |
|---|---|---|
| Base Clock | 1,800 MHz✓ | 1,500 MHz |
| Boost Clock | 2,430 MHz✓ | 2,400 MHz |
Memory
| Specification | Radeon RX 7800 XT | Radeon RX 7900 XT |
|---|---|---|
| VRAM Capacity | 16 GB | 20 GB✓ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256-bit | 320-bit✓ |
| Memory Speed | 19.5 Gbps | 20 Gbps✓ |
| Bandwidth | 624 GB/s | 800 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 7800 XT | Radeon RX 7900 XT |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 263 W✓ | 315 W |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Released | Aug 2023 | Nov 2022 |
Related Reading
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