20GB GDDR6 Memory
A 320-bit memory bus and 800 GB/s bandwidth complement the card’s 20GB of GDDR6 VRAM.
If you buy through affiliate links, we may earn commissions, which help support our site.
Updated 5 months ago
A high-end AMD card with striking RGB effects and a powerful cooling system designed for maximum clock speeds.

A 320-bit memory bus and 800 GB/s bandwidth complement the card’s 20GB of GDDR6 VRAM.
Three 100 mm axial fans provide open-air cooling, with 0 dB silent operation at idle.
Three DisplayPort 2.1 outputs and one HDMI 2.1 output support up to four displays.
The ASRock Phantom Gaming Radeon RX 7900 XT 20GB OC is an AMD RDNA 3 graphics card with 20GB of GDDR6 memory, a boost clock up to 2450 MHz, triple-fan cooling, and support for up to four displays.
The reviewer considers the card to be a very good option that delivers solid 4K gaming performance, highlighting its effective Phantom Gaming 3X cooling system, quiet operation, and aesthetics, though it faces tough competition from the RTX 4070 Ti and has limited availability.
The reviewer praises the card for its solid 4K gaming performance, excellent cooling, and aesthetics, but notes that it is held back by a high price point and tough competition from the RTX 4070 Ti.
The reviewer describes the card as a fantastic custom design featuring an exceptionally quiet and capable cooling solution, noting that it is notably faster than the RTX 4070 Ti in rasterization while acknowledging its weaker ray tracing performance.
The reviewer recommends the card as a compelling, pragmatic choice for enthusiasts prioritizing strong 4K gaming and a large 20GB memory buffer, highlighting its effective triple-fan cooler and mature driver support.
3,023,553 views • 3 years ago
1,505,621 views • 1 year ago
481,515 views • 2 years ago
84,431 views • 2 years ago
41,333 views • 5 months ago
10,690 views • 1 year ago
| Attribute | Specification | Notes |
|---|---|---|
| Boost Clock | 2450 | |
| Capacity | 20 GB/W | GB/W |
| Card Length | 330 | |
| Compatibility | PCI Express 4.0 x16, DisplayPort 2.1 / HDMI 2.1 capable system output, PC (plug-in card) | |
| Component Type | GPU (Graphics Card) | |
| Cooling Design | Triple-fan open-air cooling | |
| Dimensions | Length: 330 mm, Height: 140 mm, Width: 57.6 mm, Slot width: 2.8 slots | mm |
| Display Outputs | ['1 x HDMI 2.1', '3 x DisplayPort 2.1'] | |
| Encoder Decoder Features | ['AV1 encode/decode', 'H.264/H.265 encode/decode'] | |
| Form Factor | Dual-slot, ATX-style plug-in graphics card (2.8-slot) | |
| Form Factor Slot Width | 2.8 | |
| Gpu Architecture | AMD RDNA 3 | |
| Gpu Model | AMD Radeon RX 7900 XT | |
| Interface Standard | PCI Express 4.0, PCIe 4.0 x16 host interface, 2 x 8-pin power connectors, DisplayPort 2.1 (3 outputs), HDMI 2.1 (1 output) | |
| Manufacturer | ASRock | |
| Max Supported Displays | 4 | |
| Memory Bandwidth | 800 | |
| Memory Bus Width | 320 | |
| Pcie Interface | PCIe 4.0 x16 | |
| Performance Spec | Boost clock: up to 2450 MHz, Game clock: 2075 MHz, Memory: 20 Gbps effective (2.5 GHz memory clock), Memory bus: 320-bit, Compute units: 84 RDNA 3 compute units, Stream processors: 5376 | |
| Power Connectors | ['2 x 8-pin'] | |
| Power Draw Tgp | 315 | |
| Power Requirements | 300 W | W |
| Ray Tracing Support | Yes | |
| Recommended Psu Wattage | 750 | |
| Thermal Design | Thermal Design Power (TDP): 300 W, 3 x 100 mm fans (Axial), 0 dB silent cooling (idle) | |
| Upscaling Technology | ['AMD FSR'] | |
| Vram Capacity | 20 | |
| Vram Type | GDDR6 | |
| Warranty Period | 36 months | months |

An ultra-premium tier 7900 XTX with a steampunk-inspired design, ARGB lighting, and a 22-phase power design.
View Details
The striking all-black reference model for the RTX 4070 SUPER. Features 20% more CUDA cores than the standard 4070.
View Details
Features the unique WINDFORCE cooling system and RGB Halo lighting. A popular choice for its balance of performance and relatively lower price compared to other premium 4090s.
View Details