Leak: AMD’s smallest RDNA2 based Navi 24 spotted online

Internet is full of leaks and rumours, and today we have the leaked details of AMD's smallest RDNA 2 GPU, the Navi 24, which is codenamed Beige Goby. AMD's Navi…

By Nivedita Bangari

May 14, 2021

2 min read

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Internet is full of leaks and rumours, and today we have the leaked details of AMD’s smallest RDNA 2 GPU, the Navi 24, which is codenamed Beige Goby. AMD’s Navi 23 ‘Dimgrey Cavefish’ GPUs are yet to surface and show us their real-world performance, but we expect the company to launch them soon.

However, as we wait for the Navi 23 GPU, the Navi 24 ‘Beige Goby’ GPU has leaked out along with its initial specifications. Since it is the smallest chip in the RDNA 2 family, the Navi 24 GPU will find several use cases within desktop/mobility Radeon RX 6000 graphics cards and Ryzen APUs.

Oh interesting, Beige Goby appears to be Navi24.
It just has 1 SDMA engine, usually dGPUs have 2, 16MiB Infinity Cache/Last Level Cache.
128KiB L1$ is shared under 4 WGPs/8CUs.
1MB L2$.
1 Shader Engine with 2 Shader Arrays would only result in 8WGPs/16 CUs = 1024 Shader Cores. https://t.co/zJ9cbAexis
— Locuza (@Locuza_) May 12, 2021

According to the specifications, AMD’s Navi 24 RDNA 2 GPU will feature a single SDMA engine along with 2 shader arrays for 8 GPS and a maximum of 16 Compute Units. The Navi 23 GPU will offer 2048 stream processors in 32 compute units.

Graphics Architecture	GPU Codename	Alternative Name	Architecture	Product
GFX900	VEGA 10		GCN 5.0	RX VEGA / Radeon Pro
GFX902	RAVEN	Raven Ridge / Picasso	GCN 5.0	Ryzen 2000/3000(G/GE)
GFX904	VEGA 12		GCN 5.0	Vega Pro 20 (MAC)
GFX906	VEGA 20		GCN 5.0	Radeon VII / Radeon Pro VII
GFX908	ARCTURUS		CDNA 1	Instinct MI100
TBC	ALDEBARAN		CDNA 2	Instinct MI200
GFX909	RAVEN2		GCN 5.0	TBC
GFX909	RENOIR		GCN 5.0	Ryzen 4000(H/U/G)
GFX1010	NAVI 10		RDNA 1	RX 5700/5600(M/XT)
GFX1011	NAVI 12		RDNA 1	PRO 5600M (MAC)
GFX1012	NAVI 14		RDNA 1	RX 5500 (M/XT)
GFX1030	NAVI 21	Sienna Cichlid	RDNA 2	RX 6900/RX 6800
GFX1031	NAVI 22	Navy Flounder	RDNA 2	RX 6700
GFX1032	NAVI 23	Dimgrey Cavefish	RDNA 2	RX 6600
GFX1033	NAVI 24	Beige Goby	RDNA 2	RX 6500/RX 6400
GFX1033	VAN GOGH		RDNA 2	Ryzen Low-Power APU
GFX1040	VAN GOGH LITE		RDNA 2	Ryzen Low-Power APU

The GPU also contains 128 KB of L1 cache, 1 MB of L2 cache, and also 16 MB of Infinity Cache (LLC). The AMD Navi 24 RDNA 2 GPUs are also leaked to feature a 64-bit bus interface and be sported on low-end Radeon RX 6500 or RX 6400 series parts.

For now, there is no launch date for the RDNA 2 based Navi 24 GPUs, and it seems that it will be a long time for it to surface in the retail market. AMD is yet to release it’s RDNA 2 for mobile platforms, and Navi 23 is expected to launch in a few weeks.

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