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The Chiphell forum has provided a steady flow of AMD RDNA 4-related leaks—going back to early December; members believed that "Radeon RX 8800 XT" GPUs were imminently entering into a mass production phase. Since then, Team Red and board partners have officially revealed a full deck of Radeon RX 9070 XT and RX 9070 models—complete with a "modernized" naming scheme. By Christmas (2024), insiders appeared to have working units in their clutches—denizens of Chiphell have continued to dole out pre-release info; even deep into launch week. UNIKO's Hardware picked up on the latest signals; with owners of unnamed custom Radeon RX 9070 XT cards: "calling out bad cooling on GDDR6 VRAM."
As highlighted by Wccftech, NDA-busting disclosures have alluded to commendable GPU thermal measurements—when driven at full load—but several leakers have noted less than stellar results from VRAM temperature readings. Chiphell-sourced GPU-Z screenshots indicate a maximum recorded VRAM temperature of 94℃, with the involved GPU's hotspot hitting a top temp of 79°C. This leaked candidate seems to be a 329 W TBP-rated model. Wccftech observed inconsistencies with the other evaluated sample: "under full load, the GPU temperature at the hot spot reaches a max of 63°C but the memory temperature touches 88°C. The surprising thing to note in the first case is that the TBP is only 237 W, which seems weird considering the Radeon RX 9070 XT (reference spec) starts at a TBP of 260 W. This might be a bug...The user has confirmed that the first one isn't the RX 9070 as one would think, but it is the RX 9070 XT as well." The "guided" upper limit for newer VRAM standards is 95°C, so one of the anonymous custom cards is dancing dangerously in close proximity to the proverbial flame. Certain hardware news outlets reckon that GDDR6X memory will succumb to damage once a 120°C ceiling is hit. Hopefully, these issues are limited to a handful of review samples—a couple of AMD's trusted board partners have opted for Honeywell PTM7950 thermal pads and robust heatpipe formations. Stay tuned to TechPowerUp for W1zzard's incoming RDNA 4-related verdicts.
According to Uniko's translation, the founder of Chiphell commented (in full) on the VRAM cooling situation(s): "previously, I only paid attention to the GPU temperature and ignored the video memory. The result is good... The video memory of several brands I have is extremely hot... One is 88℃ and the other is 94℃... It's really like going back to the mining era overnight...I suggest that you don't rush to pay attention to the evaluation of No. 5 to see if it is a common phenomenon or an individual case. If it is an individual case, you can avoid it when choosing a card."
View at TechPowerUp Main Site | Source
As highlighted by Wccftech, NDA-busting disclosures have alluded to commendable GPU thermal measurements—when driven at full load—but several leakers have noted less than stellar results from VRAM temperature readings. Chiphell-sourced GPU-Z screenshots indicate a maximum recorded VRAM temperature of 94℃, with the involved GPU's hotspot hitting a top temp of 79°C. This leaked candidate seems to be a 329 W TBP-rated model. Wccftech observed inconsistencies with the other evaluated sample: "under full load, the GPU temperature at the hot spot reaches a max of 63°C but the memory temperature touches 88°C. The surprising thing to note in the first case is that the TBP is only 237 W, which seems weird considering the Radeon RX 9070 XT (reference spec) starts at a TBP of 260 W. This might be a bug...The user has confirmed that the first one isn't the RX 9070 as one would think, but it is the RX 9070 XT as well." The "guided" upper limit for newer VRAM standards is 95°C, so one of the anonymous custom cards is dancing dangerously in close proximity to the proverbial flame. Certain hardware news outlets reckon that GDDR6X memory will succumb to damage once a 120°C ceiling is hit. Hopefully, these issues are limited to a handful of review samples—a couple of AMD's trusted board partners have opted for Honeywell PTM7950 thermal pads and robust heatpipe formations. Stay tuned to TechPowerUp for W1zzard's incoming RDNA 4-related verdicts.
According to Uniko's translation, the founder of Chiphell commented (in full) on the VRAM cooling situation(s): "previously, I only paid attention to the GPU temperature and ignored the video memory. The result is good... The video memory of several brands I have is extremely hot... One is 88℃ and the other is 94℃... It's really like going back to the mining era overnight...I suggest that you don't rush to pay attention to the evaluation of No. 5 to see if it is a common phenomenon or an individual case. If it is an individual case, you can avoid it when choosing a card."
View at TechPowerUp Main Site | Source
