GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Market comparison is currently pending while we verify the latest benchmarks for Arc A770 and Radeon RX 7900 XT.
On raw speed the Radeon RX 7900 XT comes out dramatically faster — about 150% ahead of the Arc A770.
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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.
Power & Efficiency
On power, the Arc A770 is the gentler choice at 225W versus 300W. The Radeon RX 7900 XT is more efficient per watt because it's faster, but its higher 300W draw means more heat and a bigger PSU.
VRAM & Future-Proofing
The Radeon RX 7900 XT carries 20GB versus 16GB on the Arc A770. The extra 4GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.
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?
The Radeon RX 7900 XT is the faster card by about 150%. 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 7900 XT better than the Arc A770?
Which is better for 4K gaming, the Arc A770 or the Radeon RX 7900 XT?
Does the Radeon RX 7900 XT have enough VRAM advantage to matter?
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✓ | 300 W |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Released | Oct 2022 | Nov 2022 |
Related Reading
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