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AMD Sephiroth

AMD's Sephiroth GPU uses the RDNA 2.0 architecture and is made using a 6 nm production process at TSMC. With a die size of 131 mm² and a transistor count of 2,400 million it is a small chip. Sephiroth supports DirectX 12 (Feature Level 12_1). For GPU compute applications, OpenCL version 2.0 can be used. It features 512 shading units, 32 texture mapping units and 16 ROPs. The GPU also contains 8 raytracing acceleration cores.
Further reading: RDNA Whitepaper

Graphics Processor

Released
Nov 9th, 2023
GPU Name
Sephiroth
Generation
Navi II
Architecture
RDNA 2.0
Foundry
TSMC
Process Size
6 nm
Transistors
2,400 million
Density
18.3M / mm²
Die Size
131 mm²

Graphics Features

DirectX
12 (12_1)
OpenGL
4.6
OpenCL
2.0
Vulkan
1.2
Shader Model
6.5
WDDM
3.1
GC
10.3.1
Shader ISA
GFX10.3 (gfx1033)
DCN
3.0.1
VCN
3.1.0
SDMA
5.2.1
MP0
11.5.0

Render Config

Shading Units
512
TMUs
32
ROPs
16
Compute Units
8
RT Cores
8
L0 Cache
32 KB per WGP
L1 Cache
128 KB per Array
L2 Cache
1024 KB
L3 Cache
8 MB
Max. TDP
15 W

All RDNA 2.0 GPUs

AMD GPU Architecture History

Graphics cards using the AMD Sephiroth GPU

Name Chip Memory Shaders TMUs ROPs Base Clock Boost Clock Memory Clock
AMD Steam Deck OLED GPU
16 GB 512 32 16 1000 MHz 1600 MHz 1375 MHz

Sephiroth GPU Notes

Generation: Navi II
Ray Tracing Cores: 1st Gen
Infinity Cache: 1st Gen
Graphics/Compute: 10.3.1
Shader ISA: GFX10.3 (gfx1033)
Display Core Next: 3.0.1
Video Core Next: 3.1.0
System DMA: 5.2.1
Platform Security Processor: 11.5.0
May 21st, 2024 00:52 EDT change timezone

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