Arc A770 vs Radeon RX 6900 XT
Performance-wise the Radeon RX 6900 XT is out front, dramatically faster, roughly 100% up on the Arc A770. Value tips toward the Arc A770, though: $290 USD cheaper for what you get.
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Radeon RX 6900 XT vs Arc A770: In-Depth Breakdown
Performance: Radeon RX 6900 XT vs Arc A770
The Radeon RX 6900 XT is dramatically faster, around 100% ahead of the Arc A770. That gap is enough to move it up a tier: the Radeon RX 6900 XT is comfortable at 1440p, while the Arc A770 is better matched to 1080p.
Price & Value
Right now the Arc A770 starts at $160 USD against $450 USD for the Radeon RX 6900 XT. Despite being slower, the Arc A770 offers the better performance-per-dollar (~41% better value), so budget-focused buyers should weigh it carefully. The Arc A770 is trading below its $329 USD MSRP — a genuine deal. The Radeon RX 6900 XT is trading below its $999 USD MSRP — a genuine deal.
Power & Efficiency
The Arc A770 is the lighter draw at 225W against the Radeon RX 6900 XT's 300W, making it the easier card to power and cool. The Radeon RX 6900 XT draws more in absolute terms but squeezes out more performance per watt, so budget for a beefier PSU if you go that route.
Generation & Longevity
The Arc A770 is roughly 2 years newer than the Radeon RX 6900 XT (Alchemist vs RDNA 2), so it generally benefits from a more modern architecture and longer driver-support runway.
Features & Ecosystem
Beyond raw numbers, the Arc A770 brings Intel XeSS upscaling and AV1 encoding, while the Radeon RX 6900 XT offers AMD FSR upscaling and strong rasterization value. If you lean on upscaling or ray tracing, that ecosystem difference can matter as much as the frame-rate gap.
Which should you buy: Arc A770 or Radeon RX 6900 XT?
Choose the Radeon RX 6900 XT if you want the most performance and can absorb the higher price. If you're optimizing for value, the Arc A770 stretches your money further for only slightly lower performance.
Frequently Asked Questions
Is the Radeon RX 6900 XT better than the Arc A770?
Which is better for 4K gaming, the Arc A770 or the Radeon RX 6900 XT?
Is the Radeon RX 6900 XT worth the extra $290 USD over the Arc A770?
Which should you buy: Arc A770 or Radeon RX 6900 XT?
Technical Specifications Comparison
Architecture & Cores
| Specification | Arc A770 | Radeon RX 6900 XT |
|---|---|---|
| Architecture | Alchemist | RDNA 2 |
| Process Node | TSMC N6 | TSMC N7 |
| CUDA Cores (Shading Units / Stream Processors) | 4,096 | 5,120✓ |
| Ray Tracing Cores | 32 | 80✓ |
| Tensor / AI Cores | 512 | — |
Clock Speeds
| Specification | Arc A770 | Radeon RX 6900 XT |
|---|---|---|
| Base Clock | 2,100 MHz✓ | 1,825 MHz |
| Boost Clock | 2,400 MHz✓ | 2,250 MHz |
Memory
| Specification | Arc A770 | Radeon RX 6900 XT |
|---|---|---|
| VRAM Capacity | 16 GB | 16 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256-bit | 256-bit |
| Memory Speed | 17.5 Gbps✓ | 16 Gbps |
| Bandwidth | 560 GB/s✓ | 512 GB/s |
Connectivity & Power
| Specification | Arc A770 | Radeon RX 6900 XT |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 225 W✓ | 300 W |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Released | Oct 2022 | Dec 2020 |
Related Reading
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