Arc A770 vs Radeon RX 7900 GRE
The Radeon RX 7900 GRE pulls ahead here — in a different league, about 115% ahead of the Arc A770. But the Arc A770 is the better value, undercutting it by $500 EUR for the performance you get.
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Radeon RX 7900 GRE vs Arc A770: In-Depth Breakdown
Performance: Radeon RX 7900 GRE vs Arc A770
The Radeon RX 7900 GRE is dramatically faster, around 115% ahead of the Arc A770. 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 Arc A770 is better matched to 1080p.
Price & Value
Pricing has the Arc A770 at $299 EUR, $500 EUR under the Radeon RX 7900 GRE's $799 EUR. Despite being slower, the Arc A770 offers the better performance-per-dollar (~24% better value), so budget-focused buyers should weigh it carefully. The Arc A770 is trading below its $329 EUR MSRP — a genuine deal. The Radeon RX 7900 GRE still sits about $250 EUR above its $549 EUR MSRP.
Power & Efficiency
At 225W vs 260W, the Arc A770 is the gentler load on your system. The Radeon RX 7900 GRE'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.
Generation & Longevity
The Radeon RX 7900 GRE is roughly 2 years newer than the Arc A770 (RDNA 3 vs Alchemist), 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 7900 GRE 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 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 Arc A770 stretches your money further for only slightly lower performance.
Frequently Asked Questions
Is the Radeon RX 7900 GRE better than the Arc A770?
Which is better for 4K gaming, the Arc A770 or the Radeon RX 7900 GRE?
Is the Radeon RX 7900 GRE worth the extra $500 EUR over the Arc A770?
Which should you buy: Arc A770 or Radeon RX 7900 GRE?
Technical Specifications Comparison
Architecture & Cores
| Specification | Arc A770 | Radeon RX 7900 GRE |
|---|---|---|
| Architecture | Alchemist | RDNA 3 |
| Process Node | TSMC N6 | TSMC N5 |
| CUDA Cores (Shading Units / Stream Processors) | 4,096 | 5,120✓ |
| Ray Tracing Cores | 32 | 80✓ |
| Tensor / AI Cores | 512✓ | 160 |
Clock Speeds
| Specification | Arc A770 | Radeon RX 7900 GRE |
|---|---|---|
| Base Clock | 2,100 MHz✓ | 1,287 MHz |
| Boost Clock | 2,400 MHz✓ | 2,245 MHz |
Memory
| Specification | Arc A770 | Radeon RX 7900 GRE |
|---|---|---|
| VRAM Capacity | 16 GB | 16 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256-bit | 256-bit |
| Memory Speed | 17.5 Gbps | 18 Gbps✓ |
| Bandwidth | 560 GB/s | 576 GB/s✓ |
Connectivity & Power
| Specification | Arc A770 | Radeon RX 7900 GRE |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 225 W✓ | 260 W |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Released | Oct 2022 | Feb 2024 |
Related Reading
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