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NVIDIA GM20B

ODNX02-A2
ODNX02-A2
TM670D-A1
TM670D-A1
Die Shot
Fritzchens Fritz
Die Shot
Block Diagram
Block Diagram
SMM Diagram
SMM Diagram
NVIDIA's GM20B GPU uses the Maxwell 2.0 architecture and is made using a 20 nm production process at TSMC. With a die size of 118 mm² and a transistor count of 2,000 million it is a small chip. GM20B supports DirectX 12.0 (Feature Level 12_1). It features 256 shading units, 16 texture mapping units and 16 ROPs.
Further reading: Tegra X1 Architecture Whitepaper

Graphics Processor

GPU Name
GM20B
Architecture
Maxwell 2.0
Foundry
TSMC
Process Size
20 nm
Transistors
2,000 million
Density
16.9M / mm²
Die Size
118 mm²
Codename
NV12B
Released
2015

Graphics Features

DirectX
12.0 (12_1)
OpenGL
4.6
OpenCL
1.2
Vulkan
1.1.103
CUDA
5.3
Shader Model
6.4
PureVideo HD
VP9
VDPAU
Feature Set I

Render Config

Shading Units
256
TMUs
16
ROPs
16
SMM Count
2
GPCs
1
SFUs
128
L1 Cache
48 KB per SMM
L2 Cache
256 KB
Max. TDP
15 W

All Maxwell 2.0 GPUs

Graphics cards using the NVIDIA GM20B GPU

Name Chip Memory Shaders TMUs ROPs GPU Clock Boost Clock Memory Clock
NVIDIA NX-SoC ODNX02-A2 4 GB 256 16 8 384 MHz 768 MHz 1600 MHz
NVIDIA Tegra X1 TM670D-A1 System Shared 256 16 16 1000 MHz System Shared