Guesses or official data?
The Enermax site, a company that notably manufactures power supplies for computers, now displays recommendations for several next-generation AMD and NVIDIA graphics cards, some of which have therefore not yet been made official, via its tool. Power Supply Calculator. If NVIDIA has already presented two GeForce RTX 4000s, the RTX 4090 and RTX 4080 (the latter being available in two versions), AMD will introduce its Radeon RX 7000 RDNA 3 on November 3. Also, for the GeForce RTX 4000 series, the references are not limited to the aforementioned two, but also involve the RTX 4070 and RTX 4060.
At this stage, it is impossible to know if Enermax has official information or if one of its employees has engaged in mere conjecture. Anyway, his site provides the data below:
GeForce RTX 4000 series:
GeForce RTX 4090: 853W PSU (450W TDP GPU)
GeForce RTX 4080: 720W PSU (GPU TDP 320-285W)
GeForce RTX 4070: 684W PSU (GPU TDP ~285W)
GeForce RTX 4060: 598W PSU (GPU TDP ~200W)
Radeon RX 7000 Series:
Radeon RX 7950 XT: 822W PSU (GPU TBP ~420W)
Radeon RX 7900 XT: 730W PSU (GPU TBP ~330W)
Radeon RX 7800 XT: 700W PSU (GPU TBP ~300W)
Radeon RX 7700 XT: 598W PSU (GPU TBP ~200W)
Asus TUF RTX 4090 OC, 2.4kg of pure Ada Lovelace
A Radeon RX 7700 XT less greedy than its ancestor?
Assuming them to be true, these values would confirm the surge in consumption for the very top of the range – an appetite confirmed and explained by Sam Naffziger last June – but stagnation and even a regression for the top/mid-range.
The spearhead of RDNA 3 graphics cards, the Radeon RX 7950XT, would therefore have a TBP of 420 W; the Radeon RX 7900 XT and RX 7800 XT of 330 and 300 W respectively; finally, the RX 7700 XT would be satisfied with 200 W. To make a comparison with the current cards, the Radeon RX 6950 XT has a TBP of 335 W, the Radeon RX 6900 XT and RX 6800 XT of 300 W, the RX 6700 XT of 230 W.
Source: Enermax via momomo_us
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