Radeon RX 6800 XT vs Radeon RX 7800 XT
On performance, the Radeon RX 6800 XT and Radeon RX 7800 XT are effectively a dead heat — under a few percent apart.
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Radeon RX 6800 XT vs Radeon RX 7800 XT: In-Depth Breakdown
Performance: Radeon RX 6800 XT vs Radeon RX 7800 XT
The Radeon RX 6800 XT and Radeon RX 7800 XT post nearly the same score in our performance index, so neither holds a meaningful raw-speed advantage. Both are best suited to 1440p gaming. The Radeon RX 6800 XT packs 4,608 stream processors versus 3,840 on the Radeon RX 7800 XT.
Power & Efficiency
The Radeon RX 7800 XT sips power at 263W next to the Radeon RX 6800 XT's 300W, and still leads on performance-per-watt — quieter, cooler, and gentler on your PSU. 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 7800 XT's memory is faster — 624 GB/s versus 512 GB/s — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Radeon RX 7800 XT is roughly 3 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 7800 XT?
The Radeon RX 6800 XT is the faster card. With live pricing limited for this pair, base your decision on the spec differences above — particularly VRAM and power draw — and check current stock before buying.
Frequently Asked Questions
Is the Radeon RX 6800 XT better than the Radeon RX 7800 XT?
Which is better for 4K gaming, the Radeon RX 6800 XT or the Radeon RX 7800 XT?
Which should you buy: Radeon RX 6800 XT or Radeon RX 7800 XT?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6800 XT | Radeon RX 7800 XT |
|---|---|---|
| Architecture | RDNA 2 | RDNA 3 |
| Process Node | TSMC N7 | TSMC N5 |
| CUDA Cores (Stream Processors / Stream Processors) | 4,608✓ | 3,840 |
| Ray Tracing Cores | 72✓ | 60 |
| Tensor / AI Cores | — | 120 |
Clock Speeds
| Specification | Radeon RX 6800 XT | Radeon RX 7800 XT |
|---|---|---|
| Base Clock | 1,825 MHz✓ | 1,800 MHz |
| Boost Clock | 2,250 MHz | 2,430 MHz✓ |
Memory
| Specification | Radeon RX 6800 XT | Radeon RX 7800 XT |
|---|---|---|
| VRAM Capacity | 16 GB | 16 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256-bit | 256-bit |
| Memory Speed | 16 Gbps | 19.5 Gbps✓ |
| Bandwidth | 512 GB/s | 624 GB/s✓ |
Connectivity & Power
| Specification | Radeon RX 6800 XT | Radeon RX 7800 XT |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 300 W | 263 W✓ |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Released | Oct 2020 | Aug 2023 |