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NVIDIA GK208
GK208
GK208-301-A1
GK208-320-A1
GK208-400-A1
Block Diagram
SMX Diagram
NVIDIA's GK208 GPU uses the Kepler 2.0 architecture and is made using a 28 nm production process at TSMC. With a die size of 87 mm² and a transistor count of 1,020 million it is a very small chip. GK208 supports DirectX 12 (Feature Level 11_0). For GPU compute applications, OpenCL version 3.0 and CUDA 3.5 can be used. It features 384 shading units, 32 texture mapping units and 8 ROPs.
Graphics Processor
Released
Apr 1st, 2013
GPU Name
GK208
Codename NV108
Architecture
Kepler 2.0
Foundry
TSMC
Process Size
28 nm
Transistors
1,020 million
Density
11.7M / mm²
Die Size
87 mm²
Package
FCBGA-595
Graphics Features
DirectX
12 (11_0)
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2.175
CUDA
3.5
Shader Model
6.5 (5.1)
WDDM 3.0
NVENC No Support
NVDEC 1st Gen
PureVideo HD VP5
VDPAU Feature Set D
Render Config
Shading Units
384
TMUs
32
ROPs
8
SMX Count
2
GPCs 1
Tex L1 Cache 48 KB per SMX
L1 Cache
16 KB per SMX
L2 Cache
512 KB
Max. TDP
49 W
SFUs 64
NVIDIA GPU Architecture History
Graphics cards using the NVIDIA GK208 GPU
Name
Chip
Memory
Shaders
TMUs
ROPs
GPU Clock
Memory Clock
GK208-320-A1
2 GB
384
32
8
967 MHz
900 MHz
1024 MB
384
32
8
967 MHz
900 MHz
GT 740M
2 GB
384
32
8
980 MHz
900 MHz
N14M-LP
2 GB
384
32
8
575 MHz
900 MHz
GT 730M
2 GB
384
32
8
719 MHz
900 MHz
GK208-301-A1
2 GB
384
32
8
902 MHz
900 MHz
GK208-400-A1
1024 MB
384
32
8
1046 MHz
1252 MHz
GT 730M
1024 MB
384
32
8
719 MHz
1001 MHz
GK208-301-A1
2 GB
384
32
8
902 MHz
900 MHz
N15M-Q2-B-A1
1024 MB
192
16
8
954 MHz
650 MHz
1024 MB
192
16
8
889 MHz
600 MHz
1024 MB
192
16
8
719 MHz
900 MHz
GT 720M
2 GB
192
16
8
719 MHz
800 MHz
GT 740M
2 GB
384
32
8
980 MHz
900 MHz
1024 MB
384
32
8
850 MHz
900 MHz
1024 MB
192
16
8
719 MHz
1001 MHz
1024 MB
192
16
8
719 MHz
900 MHz
1024 MB
192
16
8
719 MHz
1001 MHz
2 GB
192
16
8
954 MHz
900 MHz
GK208 GPU Notes
NVENC: No Support
NVDEC: 1st Gen
PureVideo HD: VP5
VDPAU: Feature Set D
L1 Cache is configurable from 16 KB up to 48 KB per SMX
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