ASRock Arc A770 Phantom OC 16 GB
The ASRock Arc A770 Phantom OC 16 GB is ASRock’s version of the Intel Arc A770 16GB. At 305 mm it’s 25 mm longer than the 280 mm reference design. It uses 2 8-pin rather than the reference 1 6-pin, 1 8-pin. Below you’ll find every current retailer price and the full spec sheet.
Prices update regularly and may differ at the retailer. This page contains affiliate links.

Gaming & render performance
Gaming score: geometric mean of in-game FPS, normalized so the RTX 5090 = 100. Blender: samples/min from Blender Open Data.
1080p Gaming
1440p Gaming
4K Gaming
Blender
The Intel Arc A770 16GB scores 32.1 at 1080p, 25.7 at 1440p, and 21.0 at 4K on a scale where 100 = the fastest GPU we test (RTX 5090). In Blender it renders 2,149 samples per minute. These scores apply to all board versions of this chip.
Where to buy
Every in-stock retailer we track, cheapest first.
Specifications
GPU chip
- Chip
- Intel Arc A770 16GB
- Architecture
- Alchemist ACM-G10
- Process node
- TSMC N6
- Shader cores
- 512
- RT cores
- 32
- Tensor / AI cores
- 512
- Upscaling
- XeSS
- AV1 encode
- Yes
Memory
- VRAM
- 16GB GDDR6
- Memory bus
- 256-bit
- Bandwidth
- 560 GB/s
- Memory speed
- 17.5 Gbps
Board
- Base clock
- 2100 MHz
- TDP
- 225W
- Recommended PSU
- 650W
- Power connectors
- 1 6-pin, 1 8-pin→2 8-pin
Physical
- Cooling
- Air
- Length
- 280 mm→305 mm
- Outputs
- 1 HDMI 2.1, 3 Displayport 2.0
Identifiers
- ASIN
- B0CDM3QK7Q
Chip-level specs (memory, cores, architecture) are shared across all versions of the Intel Arc A770 16GB. Board specs (boost clock, length, cooling) are specific to this variant.
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