GamersNexus, known for its in-depth analysis of graphics card temperature and power, noticed that Radeon RX 7900 series graphics cards have hidden temperature sensors.

This sensor is hidden behind the fan and enables the graphics card to measure the ambient temperature inside the case. This sensor is useful for graphics cards with Zero-Decibel Silent Technology, which is also supported on the AMD Radeon RX 7900 series, which stops the fans from spinning to 0-decibel silence when the graphics card is idle or under light use.

Without such a sensor, some graphics card components other than the GPU, such as VRM, are prone to overheating. One example is EVGA’s GeForce GTX 10-series graphics cards, which lacked this sensor, causing some components to overheat and break. The company was later forced to redesign the card, adding multiple sensors to the card.

Gamers Nexus expects AMD to make data from this sensor available to users, though the company has yet to make any official comment on the matter. It’s unclear if board partners will incorporate similar sensors into their designs, and in fact no brand other than Asus has shown off their RX 7900-series graphics cards yet.

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At present, only ASUS has released an RX 7900 TUF graphics card, which adopts a heat dissipation design close to 4 slots thick and is equipped with three 8pin power supplies. It is expected to unlock more performance than the public model.

The RX 7900 XTX public version has 96CU, 6144 stream processors, GPU frequency 1900-2500MHz, and graphics card power consumption of 355W, which is much lower than the 450W of RTX 4090. The RX 7900 XTX reference version is 287 mm long and 2.5 slots thick, which is much smaller than Nvidia’s flagship model. In contrast, ASUS’s RX 7900 TUF’s cooling specifications are much better than the public version, and it is expected to be overclocked from the factory.

AMD Radeon RX 7900 series graphics cards are expected to be officially available on AMD.com website from December 13, 2022, and from mid-December by leading partners including ASRock, ASUS, GIGABYTE and MSI. The e-commerce suggested retail price of the AMD Radeon RX 7900 XTX is RMB 7,999, while the e-commerce suggested retail price of the AMD Radeon RX 7900 XT is RMB 7,399.

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The flagship model RX 7900 XTX has 96CU, 6144 stream processors, GPU frequency 1900-2500MHz, and single-precision performance up to 61TFLOPS. The video memory is 24GB 20Gbps GDDR6, the bandwidth can reach 960GB/s, plus 96MB unlimited cache, the equivalent bandwidth can reach 3.5TB/s. The graphics card’s TBP power consumption is 355W, and the power requirements start at 800W. The RX 7900 XTX reference version is 287 mm long, 2.5 slots thick, and interfaces include DP 2.1, HDMI 2.1, and USB-C.

The sub-flagship model RX 7900 XT has 84CU, 5376 stream processors, GPU frequency 1500-2400MHz, and single-precision performance up to 52TFLOPS. The video memory is 20GB 20Gbps GDDR6, the bandwidth can reach 800GB/s, plus 80MB unlimited cache, the equivalent bandwidth can reach 2.9TB/s. The TBP power consumption of the graphics card is 300W, and the power requirements start at 750W. The RX 7900 XT reference version is 276 mm long, 2.5 slot thick, and interfaces include DP 2.1, HDMI 2.1, and USB-C.

The Radeon RX 7900 XTX is priced at $999 (about 7,303 CNY), and the Radeon RX 7900 XT graphics card is priced at $899 (about 6,572 CNY).

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In addition, the source said that the RX 7900 series graphics cards were originally planned to be available on November 27, but the release date has now been delayed by a week.

It is reported that AMD’s new flagship graphics cards will include RX 7900 XTX and RX 7900 XT, both equipped with Navi 31 XTX GPU, the former has 12288 stream processors, equipped with 24GB 384bit 20Gbps GDDR6 video memory, the latter has 10752 stream processors, equipped with 20GB 320Bit 20Gbps GDDR6 memory.

AMD has now announced that it will hold the RX 7000 series graphics card conference at 4:00 p.m. Eastern Time on November 3, which is 4:00 a.m. Beijing time on November 4. The RX 7000 series graphics cards will have the following highlights:

5nm process node

Advanced Chiplet Packaging

New Architecture Compute Unit

Optimized graphics pipeline

Next-Generation AMD Infinite Cache

50% improvement in performance per watt compared to RDNA 2

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