NVIDIA GeForce GTX 650 vs NVIDIA GeForce GT 640 GDDR5
NVIDIA GeForce GTX 650
$110
NVIDIA GeForce GT 640 GDDR5
|
384 Shaders
1GB GDDR5
1058MHz
|
384 Shaders
1GB GDDR5
950MHz
|
|
Peak AI Performance
0.81 TOPS
INT32
|
Peak AI Performance
0.73 TOPS
INT32
|
|
FP32
810 GFLOPS
|
FP32
730 GFLOPS
|
|
Form Factor
PCIe Card
1.5-Slots
|
Form Factor
PCIe Card
1.5-Slots
|
|
TDP
64W
|
TDP
75W
|
|
Power Connectors
1x 6-Pin
|
-
-
|
Peak AI Performance
|
|
GeForce GTX 650 - 0.81 TOPS INT32
x1.11
GeForce GT 640 GDDR5 - 0.73 TOPS INT32
x1
FP32
|
|
GeForce GTX 650 - 810 GFLOPS FP32
x1.11
GeForce GT 640 GDDR5 - 730 GFLOPS FP32
x1
|
|
GeForce GTX 650 - 80GB/s
x1
GeForce GT 640 GDDR5 - 80GB/s
x1
|
|
GeForce GTX 650 - 64W
x1
GeForce GT 640 GDDR5 - 75W
x1.17
|
GB6 OpenCL N/A
0%
|
|
|
0%
|
0%
|
|
GB6 Vulkan N/A
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
0%
|
0%
|
|
Manufacturer
NVIDIA
|
Manufacturer
NVIDIA
|
|
Chip Designer
NVIDIA
|
Chip Designer
NVIDIA
|
|
Architecture
Kepler
|
Architecture
Kepler
|
|
Family
GeForce 600
|
Family
GeForce 600
|
|
Codename
NVE7
GK107
Variant
GK107-450-A2
|
Codename
NVE7
GK107
-
-
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
9/13/2012
|
Release Date
4/24/2012
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
28nm
|
Fabrication Node
28nm
|
|
Die Size
118 mm²
|
Die Size
118 mm²
|
|
Transistor Count
1.3 Billion
|
Transistor Count
1.3 Billion
|
|
Transistor Density
10.76M/mm²
|
Transistor Density
10.76M/mm²
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
384 Shaders
|
Shading Units
384 Shaders
|
|
Texture Mapping Units
32 TMUs
|
Texture Mapping Units
32 TMUs
|
|
Render Output Units
16 ROPs
|
Render Output Units
16 ROPs
|
|
Streaming Multiprocessors
2 SMs
|
Streaming Multiprocessors
2 SMs
|
|
1058MHz
|
950MHz
|
|
Peak AI Performance
0.81 TOPS
INT32
|
Peak AI Performance
0.73 TOPS
INT32
|
|
FP32
810 GFLOPS
|
FP32
730 GFLOPS
|
|
FP64
30 GFLOPS
|
FP64
30 GFLOPS
|
|
INT32
0.81 TOPS
|
INT32
0.73 TOPS
|
|
Pixel Fillrate
16.928 GPixel/s
|
Pixel Fillrate
15.2 GPixel/s
|
|
Texture Fillrate
33.856 GTexel/s
|
Texture Fillrate
30.4 GTexel/s
|
|
L1
48KB/SM Tex
16KB/SM
|
L1
48KB/SM Tex
16KB/SM
|
|
L2
256KB Shared
|
L2
256KB Shared
|
|
1GB
GDDR5
|
1GB
GDDR5
|
|
Bus Width
128Bit
|
Bus Width
128Bit
|
|
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
80GB/s
|
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
80GB/s
|
|
TDP
64W
|
TDP
75W
|
|
-
1x DVI-I Dual-Link
1x DVI-D Dual-Link
1x mini-HDMI 1.4
-
|
1x VGA
1x DVI-I Dual-Link
-
-
1x HDMI 1.4
|
|
Max Resolution
4096x2304
|
Max Resolution
4096x2304
|
|
Max Resolution Refresh Rate
30Hz
|
Max Resolution Refresh Rate
30Hz
|
|
Variable Refresh Rate
G-Sync
FreeSync
|
Variable Refresh Rate
G-Sync
FreeSync
|
|
Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
2
|
Multi Monitor Support
2
|
|
Model
NVENC 1
|
Model
NVENC 1
|
|
Codec
AVC (H.264)
|
Codec
AVC (H.264)
|
|
Model
NVDEC 1
|
Model
NVDEC 1
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
|
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
|
|
Direct X
12
Direct 3D
11_0
|
Direct X
12
Direct 3D
11_0
|
|
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
|
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
|
|
Shader Model
6.5
CUDA
3.0
PureVideo HD
VP5
VDPAU
Feature Set D
|
Shader Model
6.5
CUDA
3.0
PureVideo HD
VP5
VDPAU
Feature Set D
|
|
1x Fan
|
1x Fan
|
|
Power Connectors
1x 6-Pin
|
-
-
|
|
Slots Required
1.5
PCIe Version
3.0
PCIe Lanes
16
|
Slots Required
1.5
PCIe Version
3.0
PCIe Lanes
16
|
|
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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