Radeon RX 6800 XT vs Radeon RX 7900 GRE
On raw speed the Radeon RX 7900 GRE comes out ahead: meaningfully ahead, about 16% ahead of the Radeon RX 6800 XT. That said, the Radeon RX 6800 XT is the smarter buy on value — $201 EUR less for the performance on offer.
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Comparable or lower specs
Radeon RX 7900 GRE vs Radeon RX 6800 XT: In-Depth Breakdown
Performance: Radeon RX 7900 GRE vs Radeon RX 6800 XT
The Radeon RX 7900 GRE is noticeably faster, around 16% ahead of the Radeon RX 6800 XT. That gap is enough to move it up a tier: the Radeon RX 7900 GRE is comfortable at 4K with upscaling and native 1440p, while the Radeon RX 6800 XT is better matched to 1440p. The Radeon RX 7900 GRE packs 5,120 stream processors versus 4,608 on the Radeon RX 6800 XT.
Price & Value
The Radeon RX 6800 XT currently lists from $606 EUR, $201 EUR less than the Radeon RX 7900 GRE at $807 EUR. Despite being slower, the Radeon RX 6800 XT offers the better performance-per-dollar (~15% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 6800 XT is trading below its $649 EUR MSRP — a genuine deal. The Radeon RX 7900 GRE still sits about $258 EUR above its $549 EUR MSRP.
Power & Efficiency
At 260W against 300W, the Radeon RX 7900 GRE is both the lower-power and the more efficient card, making it the easier build to cool and power. Its more modern RDNA 3 architecture on a TSMC N5 process is part of why it does more with each watt.
Memory & Bandwidth
The Radeon RX 7900 GRE's memory is faster — 576 GB/s versus 512 GB/s — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Radeon RX 7900 GRE is roughly 4 years newer than the Radeon RX 6800 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 6800 XT or Radeon RX 7900 GRE?
Choose the Radeon RX 7900 GRE if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX 6800 XT stretches your money further for only slightly lower performance.
Frequently Asked Questions
Is the Radeon RX 7900 GRE better than the Radeon RX 6800 XT?
Which is better for 4K gaming, the Radeon RX 6800 XT or the Radeon RX 7900 GRE?
Is the Radeon RX 7900 GRE worth the extra $201 EUR over the Radeon RX 6800 XT?
Which should you buy: Radeon RX 6800 XT or Radeon RX 7900 GRE?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6800 XT | Radeon RX 7900 GRE |
|---|---|---|
| Architecture | RDNA 2 | RDNA 3 |
| Process Node | TSMC N7 | TSMC N5 |
| CUDA Cores (Stream Processors / Stream Processors) | 4,608 | 5,120✓ |
| Ray Tracing Cores | 72 | 80✓ |
| Tensor / AI Cores | — | 160 |
Clock Speeds
| Specification | Radeon RX 6800 XT | Radeon RX 7900 GRE |
|---|---|---|
| Base Clock | 1,825 MHz✓ | 1,287 MHz |
| Boost Clock | 2,250 MHz✓ | 2,245 MHz |
Memory
| Specification | Radeon RX 6800 XT | Radeon RX 7900 GRE |
|---|---|---|
| VRAM Capacity | 16 GB | 16 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256-bit | 256-bit |
| Memory Speed | 16 Gbps | 18 Gbps✓ |
| Bandwidth | 512 GB/s | 576 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 6800 XT | Radeon RX 7900 GRE |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 300 W | 260 W✓ |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Released | Oct 2020 | Feb 2024 |