ONIX Lumi Arc B580 OC
The ONIX Lumi Arc B580 OC is ONIX’s version of the Intel Arc B580. It’s factory-overclocked to 2,740 MHz — 70 MHz above the 2,670 MHz reference boost clock. It measures 272 mm, close to the 272 mm reference design. 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.
1080p Gaming
1440p Gaming
4K Gaming
The Intel Arc B580 scores 41.4 at 1080p, 30.2 at 1440p, and 23.7 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
Every in-stock retailer we track, cheapest first.
- NeweggCHEAPEST$309.99In stockUpdated 2026-08-08
| Retailer | Price | Availability | Updated | Buy |
|---|---|---|---|---|
| NeweggCHEAPEST | $309.99 | In Stock | 2026-08-08 | |
Specifications
GPU chip
- Chip
- Intel Arc B580
- Architecture
- Battlemage BMG-G21
- Process node
- TSMC N5
- Shader cores
- 2,560
- SM count
- 20
- Texture units (TMUs)
- 160
- Render outputs (ROPs)
- 80
- RT cores
- 20 · 2nd gen
- Tensor / AI cores
- 160 · 2nd gen
Memory
- VRAM
- 12GB GDDR6
- Memory bus
- 192-bit
- Bandwidth
- 456 GB/s
- Memory speed
- 19 Gbps
- L2 cache
- 18 MB
GPU die
- Foundry
- TSMC
- Die size
- 272 mm²
- Transistors
- 19.6 billion
- Generation
- Arc B-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
- 6.8
Platform features
- Upscaling
- XeSS 2
- 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 (Xe2) · Decoder: Xe Media Engine (Xe2)
Board
- Boost clock
- Reference design:
2670 MHzThis card: 2740 MHz - TDP
- 190W
- Recommended PSU
- 600W
- Power connectors
- 1 8-pin
Physical
- Cooling
- Air
- Length
- 272 mm
- Slot width
- 2 slots
- Outputs
- 1 HDMI 2.1a, 3 Displayport 2.1
Identifiers
- MPN
- 8346-00278
Chip-level specs — cores, memory, die, APIs, media engine and platform features — are shared by every version of the Intel Arc B580. The Board, Physical and Identifier boxes are specific to this ONIX variant; a struck-through value shows where it differs from the reference design.
Across generations
Where the Intel Arc B580 sits in ONIX’s lineup — the generation before and after.
Other versions of the Intel Arc B580
Same GPU, different board — picked by what buyers usually compare.
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