Rumour: Navi 24 is smaller than predecessor, launch soon?

Last week we wrote that AMD may be releasing the Radeon RX 6500 XT and RX 6400 early next month. These lower positioned video cards must be based on the Navi 24-gpu. Aside from the detail that this chip would be made on TSMC’s 6nm node and not on a 7nm process, little was known about the chip. Videocardz claims to have received more information, including renders of the chip.

The tech site estimates the size of the chip at 141 square millimeters, slightly smaller than Navi 14 (RDNA 1). Because it takes 158 square millimeters confiscated. This will partly be due to the smaller memory bus, which is 64-bit wide and not 128-bit. The Infinity Cache of (only) 16 MB makes up for the difference in bandwidth by acting as a last-level cache, something Navi 14 didn’t have.

Remarkably, the number of cores would have been reduced to 1024 streaming processors. The Navi 14 GPU has 1536, but presumably the architecture and perhaps higher clock speeds will make up for the difference. From last week’s images, we can tell that an RX 6400 with a low-profile design is also being worked on. We don’t have many details yet, we will probably have to wait until early next year for that.

AMD Navi 24-GPU (RDNA 2)
Navi 24 Navi 23 Navi 14
code name Beige Goby Dimgrey Cavefish ?
Architecture RDNA 2 RDNA 2 RDNA 1
Production process 6 nm 7 nm 7 nm
Format 141 mm2? 236 mm2 158 mm2
Compute Units 16 32 24
Cores 1024 2048 1536
Infinity Cache 16 MB 32 MB
Memory 4 GB GDDR6 8 GB GDDR6 8 GB GDDR6
Memory bus 64-bit? 128-bit 128-bit

Source: Videocardz


Source: Hardware Info Compleet by nl.hardware.info.

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