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 performance
Gaming score: geometric mean of in-game FPS, normalized so the RTX 5090 = 100. Render and synthetic scores are in the Benchmarks section below.
Gaming scores are normalised performance indexes derived from Tom’s Hardware’s published GPU benchmarks. Performance per dollar and per watt are our own calculations on top of that data.
1080p Gaming
1440p Gaming
4K Gaming
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). These scores apply to all board versions of this chip.
Benchmarks
Standardized benchmark scores for this chip, each compared to the fastest card we track and linked to its source. They apply to every board version.
3D & gaming
Render
Compute & AI
Where to buy
No in-stock prices right now — check back soon.
No in-stock prices right now
We’re not tracking a live in-stock price for this exact version at the moment. Prices refresh daily — check back soon, or compare other versions of the Intel Arc A770 16GB below.
Specifications
GPU chip
- Chip
- Intel Arc A770 16GB
- Architecture
- Alchemist ACM-G10
- Process node
- TSMC N6
- Shader cores
- 4,096
- SM count
- 32
- Texture units (TMUs)
- 256
- Render outputs (ROPs)
- 128
- RT cores
- 32 · 1st gen
- Tensor / AI cores
- 512 · 1st gen
Memory
- VRAM
- 16GB GDDR6
- Memory bus
- 256-bit
- Bandwidth
- 560 GB/s
- Memory speed
- 17.5 Gbps
- L2 cache
- 16 MB
GPU die
- Foundry
- TSMC
- Die size
- 406 mm²
- Transistors
- 21.7 billion
- Generation
- Arc A-series
Display & connectivity
- Max resolution
- 7680 × 4320
- Max displays
- 4
- HDCP
- 2.3
APIs & software
- DirectX
- 12 Ultimate (12.2)
- Vulkan
- 1.3
- OpenGL
- 4.6
- OpenCL
- 3.0
- Shader model
- 6.7
Platform features
- Upscaling
- XeSS 2, XeSS 2 Frame Generation
- Also runs
- FSR 3, FSR 3 Frame Generation
- Resizable BAR
- Yes
Video encoding & decoding
| Codec | Encode | Decode |
|---|---|---|
| H.264 / AVC | Supported | Supported |
| H.265 / HEVC | Supported | Supported |
| AV1 | Supported | Supported |
| VP9 | Not supported | Supported |
Encoder: Xe Media Engine · Decoder: Xe Media Engine
Board
- Base clock
- 2100 MHz
- TDP
- 225W
- Recommended PSU
- 650W
- Power connectors
- Reference design:
1 6-pin, 1 8-pinThis card: 2 8-pin
Physical
- Cooling
- Air
- Warranty
- 2 years
- Length
- Reference design:
280 mmThis card: 305 mm - Slot width
- 2 slots
- Outputs
- 1 HDMI 2.1, 3 Displayport 2.0
Identifiers
- ASIN
- B0CDM3QK7Q
- EAN
- 4710483943546
Chip-level specs — cores, memory, die, APIs, media engine and platform features — are shared by every version of the Intel Arc A770 16GB. The Board, Physical and Identifier boxes are specific to this ASRock variant; a struck-through value shows where it differs from the reference design.
Across generations
Where the Intel Arc A770 16GB sits in ASRock’s lineup — the generation before and after.
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