Arc A770 vs Radeon RX 6600 XT
The Arc A770 pulls ahead here — clearly quicker, about 11% ahead of the Radeon RX 6600 XT.
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Arc A770 vs Radeon RX 6600 XT: In-Depth Breakdown
Performance: Arc A770 vs Radeon RX 6600 XT
The Arc A770 is noticeably faster, around 11% ahead of the Radeon RX 6600 XT. Both cards sit in the same broad class, well suited to 1080p.
Power & Efficiency
Power draw favors the Radeon RX 6600 XT (160W vs 225W), and it's the more efficient card too, so it's the easy pick if thermals or a smaller PSU matter.
VRAM & Future-Proofing
The Arc A770 carries 16GB versus 8GB on the Radeon RX 6600 XT. The extra 8GB 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 6600 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 6600 XT?
The Arc A770 is the faster card by about 11%. 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 Arc A770 better than the Radeon RX 6600 XT?
Which is better for 4K gaming, the Arc A770 or the Radeon RX 6600 XT?
Does the Arc A770 have enough VRAM advantage to matter?
Which should you buy: Arc A770 or Radeon RX 6600 XT?
Technical Specifications Comparison
Architecture & Cores
| Specification | Arc A770 | Radeon RX 6600 XT |
|---|---|---|
| Architecture | Alchemist | RDNA 2 |
| Process Node | TSMC N6 | TSMC N7 |
| CUDA Cores (Shading Units / Stream Processors) | 4,096✓ | 2,048 |
| Ray Tracing Cores | 32 | 32 |
| Tensor / AI Cores | 512 | — |
Clock Speeds
| Specification | Arc A770 | Radeon RX 6600 XT |
|---|---|---|
| Base Clock | 2,100 MHz✓ | 1,968 MHz |
| Boost Clock | 2,400 MHz | 2,589 MHz✓ |
Memory
| Specification | Arc A770 | Radeon RX 6600 XT |
|---|---|---|
| VRAM Capacity | 16 GB✓ | 8 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256-bit✓ | 128-bit |
| Memory Speed | 17.5 Gbps✓ | 16 Gbps |
| Bandwidth | 560 GB/s✓ | 256 GB/s |
Connectivity & Power
| Specification | Arc A770 | Radeon RX 6600 XT |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x8 |
| TDP | 225 W | 160 W✓ |
| Power Connectors | 2x 8-pin | 1x 8-pin |
| Released | Oct 2022 | Jul 2021 |
Related Reading
Intel Arc A770 in 2026: The Used-Market 16GB Card — What Still Works, and What Still Breaks
The A770 is discontinued Alchemist silicon with a 16GB frame buffer and a 256-bit bus. Four years of driver work fixed a lot — and left some things broken. An honest read on who should buy one used, and who absolutely should not.
How to Run Powerful Local LLMs on a Budget GPU in 2026
An 8GB GPU can now run near-flagship open models locally. Here's how QAT, MoE, llama.cpp offloading and MTP turn a budget PC into a private AI rig in 2026.
Intel Arc Alchemist in 2026: Is a Used A580, A750 or A770 Still Worth Buying?
Every Arc Alchemist card is discontinued, and Battlemage replaced them. So what does a used A580, A750 or A770 still buy you — and at what price does it beat a new Arc B580? An honest retrospective on Intel's first discrete GPUs.