AMD Radeon RX 7900 XTX
RDNA3 (Navi 31)Released 2022DSC encoder: UNKNOWN
HDMI output
| Spec version (label) | 2.1 |
|---|---|
| Actual link grade | Not published |
| Gross link rate | not published |
| Effective payload | not published |
| DSC on this output | UNKNOWN |
| Ports | 1 |
| Data confidence | UNKNOWN |
DisplayPort output
| Spec version (label) | 2.1 |
|---|---|
| Actual link rate | UHBR 13.5 |
| Gross link rate | ~54 Gbps |
| Effective payload | ~52.22 Gbps |
| DSC on this output | UNKNOWN |
| Ports | 3 |
| Data confidence | CONFIRMED |
Notes
AMD’s launch press release states the implemented DisplayPort tier directly: "DisplayPort 2.1 technology with UHBR 13.5, offering up to 54 Gbps" (rare). HDMI implemented FRL grade and the DSC encoder remain genuine documentation gaps despite an 8K-over-HDMI marketing claim. The third DisplayPort is bandwidth/spec-limited per ASUS and XFX.
Some of this card's capabilities are not published by the manufacturer and are shown as UNKNOWN. Compatibility checks that depend on them return UNKNOWN rather than a guess. See Methodology.
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