Radeon RX 6800 vs Radeon RX 7800 XT
The Radeon RX 7800 XT pulls ahead here — substantially quicker, about 19% ahead of the Radeon RX 6800. But the Radeon RX 6800 is the better value, undercutting it by $250 AUD for the performance you get.
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Comparable or lower specs
Radeon RX 7800 XT vs Radeon RX 6800: In-Depth Breakdown
Performance: Radeon RX 7800 XT vs Radeon RX 6800
The Radeon RX 7800 XT is significantly faster, around 19% ahead of the Radeon RX 6800. Both cards sit in the same broad class, well suited to 1440p.
Price & Value
Pricing has the Radeon RX 6800 at $599 AUD, $250 AUD under the Radeon RX 7800 XT's $849 AUD. Despite being slower, the Radeon RX 6800 offers the better performance-per-dollar (~19% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 7800 XT still sits about $350 AUD above its $499 AUD MSRP.
Power & Efficiency
At 250W vs 263W, the Radeon RX 6800 is the gentler load on your system. The Radeon RX 7800 XT's extra power draw buys more performance per watt, not just more heat — worth it if your PSU has the headroom. 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 (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 or Radeon RX 7800 XT?
Choose the Radeon RX 7800 XT if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX 6800 stretches your money further for only slightly lower performance.
Frequently Asked Questions
Is the Radeon RX 7800 XT better than the Radeon RX 6800?
Which is better for 4K gaming, the Radeon RX 6800 or the Radeon RX 7800 XT?
Is the Radeon RX 7800 XT worth the extra $250 AUD over the Radeon RX 6800?
Which should you buy: Radeon RX 6800 or Radeon RX 7800 XT?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 6800 | Radeon RX 7800 XT |
|---|---|---|
| Architecture | RDNA 2 | RDNA 3 |
| Process Node | TSMC N7 | TSMC N5 |
| CUDA Cores (Stream Processors / Stream Processors) | 3,840 | 3,840 |
| Ray Tracing Cores | 60 | 60 |
| Tensor / AI Cores | — | 120 |
Clock Speeds
| Specification | Radeon RX 6800 | Radeon RX 7800 XT |
|---|---|---|
| Base Clock | 1,700 MHz | 1,800 MHz✓ |
| Boost Clock | 2,105 MHz | 2,430 MHz✓ |
Memory
| Specification | Radeon RX 6800 | 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 | Radeon RX 7800 XT |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 250 W✓ | 263 W |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Released | Nov 2020 | Aug 2023 |
