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NVIDIA GP108B
GP108B
GP108 BGA
Block Diagram
SM Diagram
NVIDIA's GP108B GPU uses the Pascal architecture and is made using a 14 nm production process at Samsung. With a die size of 74 mm² and a transistor count of 1,800 million it is a very small chip. GP108B supports DirectX 12 (Feature Level 12_1). For GPU compute applications, OpenCL version 3.0 and CUDA 6.1 can be used. It features 384 shading units, 24 texture mapping units and 16 ROPs.
Graphics Processor
Released
Feb 20th, 2019
GPU Name
GP108B
Codename NV138
Architecture
Pascal
Foundry
Samsung
Process Size
14 nm
Transistors
1,800 million
Density
24.3M / mm²
Die Size
74 mm²
Package
FCBGA-595
Graphics Features
DirectX
12 (12_1)
OpenGL
4.6
OpenCL
3.0
Vulkan
1.3
CUDA
6.1
Shader Model
6.7
WDDM 3.1
NVENC No Support
NVDEC 3rd Gen
PureVideo HD VP8
VDPAU Feature Set H
Render Config
Shading Units
384
TMUs
24
ROPs
16
SM Count
3
SFUs 96
TPCs 3
GPCs 1
L1 Cache
48 KB per SM
L2 Cache
512 KB
Max. TDP
10 W
NVIDIA GPU Architecture History
Graphics cards using the NVIDIA GP108B GPU
Name
Chip
Memory
Shaders
TMUs
ROPs
Base Clock
Boost Clock
Memory Clock
2 GB
384
24
16
937 MHz
1038 MHz
1502 MHz
GP108-655-A1
2 GB
384
24
16
1531 MHz
1594 MHz
1752 MHz
GP108B GPU Notes
NVENC: No Support
NVDEC: 3rd Gen
PureVideo HD: VP8
VDPAU: Feature Set H
Latest Drivers:
Windows 7 / 8 / 8.1 (x32 / x64):
GeForce Release 391.35 / 474.89
Windows 10 / 11 (x32 / x64):
GeForce Release 391.35 / Latest
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