Radeon RX 6900 XT vs Radeon RX 7900 XT
The Radeon RX 7900 XT is significantly faster than the Radeon RX 6900 XT, leading by roughly 25% in our performance index. It is also the stronger value pick here, so it's the easy recommendation if your budget allows.
Market Value Leader
Radeon RX 7900 XT is the clear winner, offering 46.3% better value than Radeon RX 6900 XT.
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Comparable or lower specs
Radeon RX 7900 XT vs Radeon RX 6900 XT: In-Depth Breakdown
Performance: Radeon RX 7900 XT vs Radeon RX 6900 XT
The Radeon RX 7900 XT is significantly faster, around 25% ahead of the Radeon RX 6900 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 6900 XT is better matched to 1440p. The Radeon RX 7900 XT packs 5,376 stream processors versus 5,120 on the Radeon RX 6900 XT.
Price & Value
Right now the Radeon RX 7900 XT starts at $699 EUR against $818 EUR for the Radeon RX 6900 XT. Because it's both faster and competitively priced, the Radeon RX 7900 XT wins on performance-per-dollar by about 46%. The Radeon RX 7900 XT is trading below its $899 EUR MSRP — a genuine deal. The Radeon RX 6900 XT is trading below its $999 EUR MSRP — a genuine deal.
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 6900 XT's 16GB can fall short. The Radeon RX 7900 XT's memory is also faster — 800 GB/s versus 512 GB/s (320-bit vs 256-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Radeon RX 7900 XT is roughly 2 years newer than the Radeon RX 6900 XT (RDNA 3 vs RDNA 2), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: Radeon RX 6900 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 6900 XT if you find it at a steep discount.
Frequently Asked Questions
Is the Radeon RX 7900 XT better than the Radeon RX 6900 XT?
Which is better for 4K gaming, the Radeon RX 6900 XT or the Radeon RX 7900 XT?
Is the Radeon RX 6900 XT worth the extra $119 EUR over the Radeon RX 7900 XT?
Does the Radeon RX 7900 XT have enough VRAM advantage to matter?
Which should you buy: Radeon RX 6900 XT or Radeon RX 7900 XT?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6900 XT | Radeon RX 7900 XT |
|---|---|---|
| Architecture | RDNA 2 | RDNA 3 |
| Process Node | TSMC N7 | TSMC N5 |
| CUDA Cores (Stream Processors / Stream Processors) | 5,120 | 5,376✓ |
| Ray Tracing Cores | 80 | 84✓ |
| Tensor / AI Cores | — | 168 |
Clock Speeds
| Specification | Radeon RX 6900 XT | Radeon RX 7900 XT |
|---|---|---|
| Base Clock | 1,825 MHz✓ | 1,500 MHz |
| Boost Clock | 2,250 MHz | 2,400 MHz✓ |
Memory
| Specification | Radeon RX 6900 XT | Radeon RX 7900 XT |
|---|---|---|
| VRAM Capacity | 16 GB | 20 GB✓ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256-bit | 320-bit✓ |
| Memory Speed | 16 Gbps | 20 Gbps✓ |
| Bandwidth | 512 GB/s | 800 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 6900 XT | Radeon RX 7900 XT |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 300 W | 300 W |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Released | Dec 2020 | Nov 2022 |
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