Arc A770 vs Radeon RX 7900 XT
On raw speed the Radeon RX 7900 XT comes out ahead: far and away the quicker card, about 150% ahead of the Arc A770. That said, the Arc A770 is the smarter buy on value — $440 USD less for the performance on offer.
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Radeon RX 7900 XT vs Arc A770: In-Depth Breakdown
Performance: Radeon RX 7900 XT vs Arc A770
The Radeon RX 7900 XT is dramatically faster, around 150% ahead of the Arc A770. 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 Arc A770 is better matched to 1080p.
Price & Value
The Arc A770 currently lists from $160 USD, $440 USD less than the Radeon RX 7900 XT at $600 USD. Despite being slower, the Arc A770 offers the better performance-per-dollar (~50% 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 7900 XT is trading below its $899 USD MSRP — a genuine deal.
Power & Efficiency
On power, the Arc A770 is the gentler choice at 225W versus 315W. The Radeon RX 7900 XT is more efficient per watt because it's faster, but its higher 315W draw means more heat and a bigger PSU.
VRAM & Future-Proofing
VRAM favors the Radeon RX 7900 XT at 20GB versus 16GB on the Arc A770 — that extra 4GB matters most at 4K, with high-res texture packs, and for content-creation/local-AI work.
Features & Ecosystem
Beyond raw numbers, the Arc A770 brings Intel XeSS upscaling and AV1 encoding, while the Radeon RX 7900 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 7900 XT?
Choose the Radeon RX 7900 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 7900 XT better than the Arc A770?
Which is better for 4K gaming, the Arc A770 or the Radeon RX 7900 XT?
Is the Radeon RX 7900 XT worth the extra $440 USD over the Arc A770?
Does the Radeon RX 7900 XT have enough VRAM advantage to matter?
Which should you buy: Arc A770 or Radeon RX 7900 XT?
Technical Specifications Comparison
Architecture & Cores
| Specification | Arc A770 | Radeon RX 7900 XT |
|---|---|---|
| Architecture | Alchemist | RDNA 3 |
| Process Node | TSMC N6 | TSMC N5 |
| CUDA Cores (Shading Units / Stream Processors) | 4,096 | 5,376✓ |
| Ray Tracing Cores | 32 | 84✓ |
| Tensor / AI Cores | 512✓ | 168 |
Clock Speeds
| Specification | Arc A770 | Radeon RX 7900 XT |
|---|---|---|
| Base Clock | 2,100 MHz✓ | 1,500 MHz |
| Boost Clock | 2,400 MHz | 2,400 MHz |
Memory
| Specification | Arc A770 | Radeon RX 7900 XT |
|---|---|---|
| VRAM Capacity | 16 GB | 20 GB✓ |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256-bit | 320-bit✓ |
| Memory Speed | 17.5 Gbps | 20 Gbps✓ |
| Bandwidth | 560 GB/s | 800 GB/s✓ |
Connectivity & Power
| Specification | Arc A770 | Radeon RX 7900 XT |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 225 W✓ | 315 W |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Released | Oct 2022 | Nov 2022 |
Related Reading
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