GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Market comparison is currently pending while we verify the latest benchmarks for Radeon RX 6900 XT and 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.
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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 $121,800 JPY against $184,885 JPY 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 90%. The Radeon RX 7900 XT still sits about $120,901 JPY above its $899 JPY MSRP. The Radeon RX 6900 XT still sits about $183,886 JPY above its $999 JPY MSRP.
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 $63,085 JPY over the Radeon RX 7900 XT?
Does the Radeon RX 7900 XT have enough VRAM advantage to matter?
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 |
Related Reading
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The 20GB Value King: AMD Radeon RX 7900 XT Review
With its massive 20GB VRAM and aggressive price cuts, the Radeon RX 7900 XT is a high-end 4K contender that refuses to age. Is it still worth it today?