Arm just announced Cortex-A78 and Cortex-X1 CPU cores last week, and we should expect several silicon vendors to announce new SoCs based on the new cores by the end of the year. But AMD? Yes, according to a now-deleted leak from Slashleaks that lives on Twitter. AMD Ryzen C7 mobile processor would come with two Cortex-X1 based Gaugin_Pro mobile cores, two Cortex-A78 based Gaugin_Mobile cores, and four Cortex-A55 cores, AMD Radeon RDNA 2 mobile GPU, and somehow a MediaTek 5G UltraSave modem joined the party…
AMD Ryzen C7 specifications:
- 2x Gaugin_Pro Mobile Core @ 3.0 GHz (Cortex-X1 based)
- 2x Gaugin_Mobile Core @ 2.6 GHz (Cortex-A78 based)
- 4x Arm Cortex-A55 clocked @ 2.0 GHz
- GPU – AMD Radeon RDNA 2 Mobile with 4x compute units @ 700 Mhz that claims to be 45% faster than Adreno 650 GPU found in Qualcomm Snapdragon 865 SoC, and supports real-time hardware ray-tracing and variable rate shading.
- Memory I/F – 4x 16-bit LPDDR5 @ 2750 MHz
- Storage – UFS 3.1
- Video Output – Up to 2K @ 144 Hz with HDR10+ support
- Cellular – 5G via MediaTek 5G UltraSave modem with 2CC carrier aggregation and dual SIM support
- 802.11 b/g/n/ac/ax/ad/ay WiFi 6
- Bluetooth 5.1
- GNSS – GPS, Beidou, Galileo, GLONASS
- USB – USB 3.1
- Process – 5nm TSMC
First question that comes to mind: is that thing real? It’s hard to say, but it feels kind of odd, the leak was deleted after a few hours, and AMD sued MediaTek for GPU and APU patent infringements in 2019.
Having said that, AMD does not have its own 5G modem though, so it would have had to partner with other companies to bring such product to market. AMD Ryzen C7 would compete directly against Qualcomm Snapdragon 8cx processor and successors for always-on always-connected mobile PC, so a Snapdragon 5G modem was clearly not an option, and Chinese companies such as Huawei and UNISOC are too risky in the current political climate.
If AMD Ryzen C7 is real, it would not be the first attempt from AMD to use Arm cores into their processor, as Opteron A1100 server processor featured up to eight Cortex-A57 cores clocked at 2.00 GHz. We had several announcements of Arm AMD servers over the years, but nothing never truly came out, and AFAIK the processor was never used in production environments.
Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011.
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