ASRock RX 7900 XT Phantom Gaming OC
The ASRock RX 7900 XT Phantom Gaming OC is ASRock’s version of the Radeon RX 7900 XT. At 330 mm it’s 54 mm longer than the 276 mm reference design. Its video outputs (1 HDMI 2.1a, 3 Displayport 2.1) differ from the reference (1 HDMI 2.1a, 2 Displayport 2.1, 1 USB Type-C). At 3 slots it’s wider than the 2-slot 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 & 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 Radeon RX 7900 XT scores 81.3 at 1080p, 63.8 at 1440p, and 51.6 at 4K on a scale where 100 = the fastest GPU we test (RTX 5090). In Blender it renders 3,618 samples per minute. These scores apply to all board versions of this chip.
Where to buy
Every in-stock retailer we track, cheapest first.
| Retailer | Price | Availability | Updated | Buy |
|---|---|---|---|---|
| AmazonCHEAPEST | See on Amazon | — | — |  |
Specifications
GPU chip
- Chip
- Radeon RX 7900 XT
- Architecture
- RDNA 3 Navi 31
- Process node
- TSMC N5/N6
- Shader cores
- 5,376
- RT cores
- 84
- Tensor / AI cores
- 168
- Upscaling
- FSR 3
- AV1 encode
- Yes
Memory
- VRAM
- 20GB GDDR6
- Memory bus
- 320-bit
- Bandwidth
- 800 GB/s
- Memory speed
- 20 Gbps
Board
- Base clock
- 1500 MHz
- TDP
- 300W
- Recommended PSU
- 750W
- Power connectors
- 2 8-pin
Physical
- Cooling
- Air
- Length
- 276 mm→330 mm
- Slot width
- 2 slots→3 slots
- Outputs
- 1 HDMI 2.1a, 2 Displayport 2.1, 1 USB Type-C→1 HDMI 2.1a, 3 Displayport 2.1
Identifiers
- ASIN
- B0BTPJBSBV
Chip-level specs (memory, cores, architecture) are shared across all versions of the Radeon RX 7900 XT. Board specs (boost clock, length, cooling) are specific to this variant.
Other versions of the Radeon RX 7900 XT
Same GPU, different board — picked by what buyers usually compare.
Affiliate disclosure: Some links on this page are affiliate links — MaxMyBuild may earn a commission at no extra cost to you if you buy through them. As an Amazon Associate, MaxMyBuild earns from qualifying purchases. For Amazon, current price and availability are shown on the Amazon product page; product prices and availability are accurate as of the date and time of purchase and are subject to change. Prices shown for other retailers are approximate and may differ at checkout. “Search” links are non-affiliate and provided for convenience only.