The AMD Radeon RX 9070 XT, specifically the PowerColor Red Devil variant, is reported to require a minimum power supply of 900 watts. This high power requirement is primarily due to several factors:
1. Factory Overclocks: The Red Devil models are known for their high factory overclocks, which significantly increase power consumption compared to standard or moderately overclocked versions. The RX 9070 XT Red Devil features a boost clock of up to 3.0 GHz, contributing to its higher power needs[1][2].
2. Power Connector Configuration: The card uses three 8-pin power connectors, providing ample power delivery for overclocking and high-performance operations. This setup allows for substantial power draw, which necessitates a robust power supply[2][5].
3. System Requirements: The 900W power supply requirement is for the entire system, not just the GPU. This means that the power supply must be capable of handling the combined power needs of all system components, including the CPU, RAM, storage, and other peripherals[1][9].
4. Comparison to Previous Models: The RX 9070 XT Red Devil's power requirement is similar to that of the previous RX 7900 XTX Red Devil, which also required a 900W power supply. This suggests that AMD and its partners are maintaining a consistent power strategy for their high-end models[1][5].
5. Safety Margin and Headroom: It's likely that a portion of the 900W requirement serves as a safety margin or headroom to ensure stable operation under demanding conditions. This means that the actual power consumption of the GPU might be lower, but the system needs to be able to handle peak loads[1].
However, it's important to note that not all RX 9070 XT models will require such a high power supply. AMD's Frank Azor has confirmed that there will be variants with lower power requirements, and many models will use 8-pin power connectors, which are more universally compatible with existing power supplies[3][6].
Citations:[1] https://www.tomshardware.com/pc-components/gpus/rx-9070-xt-red-devil-packaging-recommends-a-900w-power-supply-amds-frank-azor-confirms-custom-cards-with-lower-wattage-requirements
[2] https://www.techpowerup.com/332558/amd-radeon-rx-9070-xt-red-devil-aib-card-leaks-with-900-watt-psu-requirement
[3] https://overclock3d.net/news/gpu-displays/amd-comments-on-rx-9070-xt-power-requirements/
[4] https://www.corsair.com/us/en/explorer/gamer/gaming-pcs/amd-rx-9070-and-9070-xt-everything-you-need-to-know/
[5] https://www.reddit.com/r/Amd/comments/1ioxd4c/the_system_requirements_for_the_power_color_red/
[6] https://gamefaqs.gamespot.com/boards/916373-pc/80935419?page=1
[7] https://www.techpowerup.com/333171/complete-specifications-of-amd-radeon-rx-9070-and-rx-9070-xt-leaked
[8] https://gamefaqs.gamespot.com/boards/916373-pc/80935419
[9] https://www.igorslab.de/en/amd-radeon-rx-9070-xt-900w-power-supply-as-minimum-requirement/
[10] https://www.pcgamesn.com/amd/radeon-rx-9070-xt-power-specs-leak