NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 650
NVIDIA GeForce GT 640
$100
NVIDIA GeForce GTX 650
$110
|
384 Shaders
2GB DDR3
900MHz
|
384 Shaders
1GB GDDR5
1058MHz
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|
Peak AI Performance
0.69 TOPS
INT32
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Peak AI Performance
0.81 TOPS
INT32
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FP32
690 GFLOPS
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FP32
810 GFLOPS
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-
-
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-
-
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Form Factor
PCIe Card
1.5-Slots
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Form Factor
PCIe Card
1.5-Slots
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TDP
65W
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TDP
64W
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-
-
-
-
-
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Power Connectors
1x 6-Pin
-
-
-
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GB6 Metal N/A
0%
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GB5 OpenCL N/A
0%
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GB5 OpenCL N/A
0%
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GB5 CUDA N/A
0%
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GB5 CUDA N/A
0%
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GB5 Metal N/A
0%
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GB5 Metal N/A
0%
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GB5 Vulkan N/A
0%
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GB5 Vulkan N/A
0%
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OCT 2020.1 N/A
0%
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OCT 2020.1 N/A
0%
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OCT Metal N/A
0%
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OCT Metal N/A
0%
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Peak AI
Performance
0.69 TOPS
INT32
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Peak AI
Performance
0.81 TOPS
INT32
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-
-
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-
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-
-
-
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-
-
-
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-
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-
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FP32
690 GFLOPS
-
-
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FP32
810 GFLOPS
-
-
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FP64
30 GFLOPS
-
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FP64
30 GFLOPS
-
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-
-
-
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-
-
-
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-
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INT32
0.69 TOPS
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INT32
0.81 TOPS
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-
-
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-
-
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Pixel
Fillrate
14.4 GPixel/s
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Pixel
Fillrate
16.928 GPixel/s
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-
-
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-
-
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Texture
Fillrate
28.8 GTexel/s
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Texture
Fillrate
33.856 GTexel/s
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Manufacturer
NVIDIA
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Manufacturer
NVIDIA
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Chip Designer
NVIDIA
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Chip Designer
NVIDIA
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Architecture
Kepler
|
Architecture
Kepler
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Family
GeForce 600
|
Family
GeForce 600
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Codename
NVE7
GK107
-
-
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Codename
NVE7
GK107
Variant
GK107-450-A2
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Market Segment
Desktop
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Market Segment
Desktop
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Release Date
6/5/2012
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Release Date
9/13/2012
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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
118 mm²
-
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Die Size
118 mm²
-
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Transistor Count
1.3 Billion
-
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Transistor Count
1.3 Billion
-
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Transistor Density
10.76M/mm²
-
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Transistor Density
10.76M/mm²
-
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Form
PCIe Card
|
Form
PCIe Card
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Shading Units
384 Shaders
-
|
Shading Units
384 Shaders
-
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Texture Mapping Units
32 TMUs
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Texture Mapping Units
32 TMUs
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Render Output Units
16 ROPs
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Render Output Units
16 ROPs
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-
-
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-
-
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-
-
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-
-
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Streaming Multiprocessors
2 SMs
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Streaming Multiprocessors
2 SMs
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-
-
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-
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-
-
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-
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-
-
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-
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-
-
900MHz
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-
-
-
1058MHz
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-
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-
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L1
48KB/SM Tex
16KB/SM
-
-
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L1
48KB/SM Tex
16KB/SM
-
-
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L2
256KB Shared
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L2
256KB Shared
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-
-
-
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-
-
-
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2GB
DDR3
-
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1GB
GDDR5
-
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Bus Width
128Bit
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Bus Width
128Bit
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Clock
891MHz
Transfer Rate
1.8GT/s
Bandwidth
28.5GB/s
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Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
80GB/s
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TDP
65W
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TDP
64W
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-
-
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-
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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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-
-
-
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1x DVI-I Dual-Link
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1x DVI-D Dual-Link
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-
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1x mini-HDMI 1.4
-
-
-
-
-
-
-
-
-
-
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Max Resolution
4096x2304
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Max Resolution
4096x2304
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Max Resolution Refresh Rate
30Hz
|
Max Resolution Refresh Rate
30Hz
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Variable Refresh Rate
G-Sync
FreeSync
-
|
Variable Refresh Rate
G-Sync
FreeSync
-
|
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Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
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Multi Monitor Support
2
|
Multi Monitor Support
2
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-
-
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-
-
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Model
NVENC 1
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Model
NVENC 1
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Codec
-
-
-
-
-
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AVC (H.264)
-
-
-
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-
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Codec
-
-
-
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AVC (H.264)
-
-
-
-
-
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Model
NVDEC 1
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Model
NVDEC 1
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Codec
MPEG-1
MPEG-2
MPEG-4
-
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
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Direct X
12
Direct 3D
11_0
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OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
|
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
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Shader Model
6.5
CUDA
3.0
-
-
PureVideo HD
VP5
VDPAU
Feature Set D
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Shader Model
6.5
CUDA
3.0
-
-
PureVideo HD
VP5
VDPAU
Feature Set D
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1x Fan
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1x Fan
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Power Connectors
-
-
1x 6-Pin
-
-
-
-
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Slots Required
1.5
PCIe Version
3.0
PCIe Lanes
16
|
Slots Required
1.5
PCIe Version
3.0
PCIe Lanes
16
|
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-
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Height
111 mm (4.37 in)
Width
145 mm (5.71 in)
Depth
30 mm (1.18 in)
|
Height
111 mm (4.37 in)
Width
145 mm (5.71 in)
Depth
30 mm (1.18 in)
|
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