GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Radeon RX 6900 XT is the clear winner, offering 10.8% better value than Radeon RX 7900 XTX.
The Radeon RX 7900 XTX is dramatically faster than the Radeon RX 6900 XT, leading by roughly 40% in our performance index. The Radeon RX 6900 XT, however, delivers more performance per dollar — $337 EUR cheaper.
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Comparable or lower specs
Radeon RX 7900 XTX vs Radeon RX 6900 XT: In-Depth Breakdown
Performance: Radeon RX 7900 XTX vs Radeon RX 6900 XT
The Radeon RX 7900 XTX is dramatically faster, around 40% ahead of the Radeon RX 6900 XT. 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 Radeon RX 6900 XT is better matched to 1440p. The Radeon RX 7900 XTX packs 6,144 stream processors versus 5,120 on the Radeon RX 6900 XT.
Price & Value
Right now the Radeon RX 6900 XT starts at $612 EUR against $949 EUR for the Radeon RX 7900 XTX. Despite being slower, the Radeon RX 6900 XT offers the better performance-per-dollar (~11% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 6900 XT is trading below its $999 EUR MSRP — a genuine deal. The Radeon RX 7900 XTX is trading below its $999 EUR MSRP — a genuine deal.
Power & Efficiency
The Radeon RX 6900 XT pulls less power (300W vs 355W), so it's the easier card to cool and the lighter load on your PSU. The faster Radeon RX 7900 XTX draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it. Its more modern RDNA 3 architecture on a TSMC N5 process is part of why it does more with each watt.
VRAM & Future-Proofing
With 24GB against 16GB, the Radeon RX 7900 XTX 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 XTX's memory is also faster — 960 GB/s versus 512 GB/s (384-bit vs 256-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Radeon RX 7900 XTX 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 XTX?
Choose the Radeon RX 7900 XTX if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX 6900 XT stretches your money further for only slightly lower performance.
Frequently Asked Questions
Is the Radeon RX 7900 XTX better than the Radeon RX 6900 XT?
Which is better for 4K gaming, the Radeon RX 6900 XT or the Radeon RX 7900 XTX?
Is the Radeon RX 7900 XTX worth the extra $337 EUR over the Radeon RX 6900 XT?
Does the Radeon RX 7900 XTX have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6900 XT | Radeon RX 7900 XTX |
|---|---|---|
| Architecture | RDNA 2 | RDNA 3 |
| Process Node | TSMC N7 | TSMC N5 |
| CUDA Cores (Stream Processors / Stream Processors) | 5,120 | 6,144✓ |
| Ray Tracing Cores | 80 | 96✓ |
| Tensor / AI Cores | — | 192 |
Clock Speeds
| Specification | Radeon RX 6900 XT | Radeon RX 7900 XTX |
|---|---|---|
| Base Clock | 1,825 MHz | 1,900 MHz✓ |
| Boost Clock | 2,250 MHz | 2,500 MHz✓ |
Memory
| Specification | Radeon RX 6900 XT | Radeon RX 7900 XTX |
|---|---|---|
| VRAM Capacity | 16 GB | 24 GB✓ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256-bit | 384-bit✓ |
| Memory Speed | 16 Gbps | 20 Gbps✓ |
| Bandwidth | 512 GB/s | 960 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 6900 XT | Radeon RX 7900 XTX |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 300 W✓ | 355 W |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Released | Dec 2020 | Nov 2022 |
