GeForce GT 640 GK208 vs Radeon R7 340

GeForce GT 640 GK208
Radeon R7 340
384 Shaders
1GB GDDR5
1046MHz
384 Shaders
2GB GDDR5
780MHz
FP32
0.8 TFLOPS
FP32
0.6 TFLOPS
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Form Factor
PCIe Card
1.5-Slots
Form Factor
PCIe Card
1.0-Slots
TDP
49W
TDP
75W
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GB5 OpenCL - N/A
0%
GB5 OpenCL - N/A
0%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal - N/A
0%
GB5 Vulkan - N/A
0%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal - N/A
0%
Manufacturer
NVIDIA
Manufacturer
AMD
Chip Designer
NVIDIA
Chip Designer
AMD
Architecture
Kepler 2
Architecture
GCN 1
Family
GeForce 600
Family
Radeon R 300
Codename
NV108
GK208
Variant
GK208-400-A1
Codename
Oland
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Variant
Oland XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
5/29/2013
Release Date
5/5/2015
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
28nm
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Fabrication Node
28nm
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Die Size
79 mm²
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Die Size
90 mm²
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Transistor Count
1 Billion
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Transistor Count
1 Billion
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Transistor Density
12.91M/mm²
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Transistor Density
11.56M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
384 Shaders
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Shading Units
384 Shaders
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Texture Mapping Units
16 TMUs
Texture Mapping Units
24 TMUs
Render Output Units
8 ROPs
Render Output Units
8 ROPs
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Streaming Multiprocessors
2 SMs
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Compute Units
6 CUs
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1046MHz
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730MHz Base
780MHz
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FP32
0.8 TFLOPS
FP32
0.6 TFLOPS
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FP64
0.03 TFLOPS
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FP64
0.04 TFLOPS
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Pixel Fillrate
8.368 GPixel/s
Pixel Fillrate
6.24 GPixel/s
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Texture Fillrate
16.736 GTexel/s
Texture Fillrate
18.72 GTexel/s
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L1
48KB/SM Tex
16KB/SM
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L1
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16KB/CU
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L2
256KB Shared
L2
256KB Shared
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1GB
GDDR5
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2GB
GDDR5
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Bus Width
64Bit
Bus Width
128Bit
Clock
1252MHz
Transfer Rate
5GT/s
Bandwidth
40.1GB/s
Clock
1125MHz
Transfer Rate
4.5GT/s
Bandwidth
72GB/s
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TDP
49W
TDP
75W
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1x VGA
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1x DVI-I Dual-Link
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1x HDMI 1.4
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1x DVI-I Dual-Link
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1x DisplayPort 1.2
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Max Resolution
4096x2304
Max Resolution
4096x2160
Max Resolution Refresh Rate
30Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
G-Sync
FreeSync
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Variable Refresh Rate
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Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
2
Multi Monitor Support
3
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No Encoders
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Model
VCE 1.0
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Codec
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AVC (H.264)
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Model
NVDEC 1
Model
UVD 4.0
Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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Direct X
12
Direct 3D
11_0
Direct X
12
Direct 3D
11_1
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.5
CUDA
3.5
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PureVideo HD
VP5
VDPAU
Feature Set D
Shader Model
6.5
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GFX
6
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1x Fan
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1x Fan
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Slots Required
1.5
PCIe Version
2.0
PCIe Lanes
8
Slots Required
1.0
PCIe Version
3.0
PCIe Lanes
16
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Height
111 mm (4.37 in)
Width
145 mm (5.71 in)
Depth
30 mm (1.18 in)
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Change Results