NVIDIA GeForce GT 640 GDDR5 vs NVIDIA GeForce GTX 465
NVIDIA GeForce GT 640 GDDR5
NVIDIA GeForce GTX 465
$279
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384 Shaders
1GB GDDR5
950MHz
|
352 Shaders
1GB GDDR5
608MHz
|
|
Peak AI Performance
0.73 TOPS
INT32
|
Peak AI Performance
0.86 TOPS
INT32
|
|
FP32
730 GFLOPS
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FP32
860 GFLOPS
|
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Form Factor
PCIe Card
1.5-Slots
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Form Factor
PCIe Card
2.0-Slots
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TDP
75W
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TDP
200W
|
|
-
-
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Power Connectors
2x 6-Pin
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Peak AI Performance
|
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GeForce GT 640 GDDR5 - 0.73 TOPS INT32
x1
GeForce GTX 465 - 0.86 TOPS INT32
x1.18
FP32
|
|
GeForce GT 640 GDDR5 - 730 GFLOPS FP32
x1
GeForce GTX 465 - 860 GFLOPS FP32
x1.18
|
|
GeForce GT 640 GDDR5 - 80GB/s
x1
GeForce GTX 465 - 102.6GB/s
x1.28
|
|
GeForce GT 640 GDDR5 - 75W
x1
GeForce GTX 465 - 200W
x2.67
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Manufacturer
NVIDIA
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Manufacturer
NVIDIA
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Chip Designer
NVIDIA
|
Chip Designer
NVIDIA
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Architecture
Kepler
|
Architecture
Fermi
|
|
Family
GeForce 600
|
Family
GeForce 400
|
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Codename
NVE7
GK107
-
-
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Codename
NVC0
GF100
Variant
GF100-030-A3
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
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Release Date
4/24/2012
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Release Date
5/31/2010
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
28nm
|
Fabrication Node
40nm
|
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Die Size
118 mm²
|
Die Size
529 mm²
|
|
Transistor Count
1.3 Billion
|
Transistor Count
3 Billion
|
|
Transistor Density
10.76M/mm²
|
Transistor Density
5.67M/mm²
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
384 Shaders
|
Shading Units
352 Shaders
|
|
Texture Mapping Units
32 TMUs
|
Texture Mapping Units
44 TMUs
|
|
Render Output Units
16 ROPs
|
Render Output Units
32 ROPs
|
|
Streaming Multiprocessors
2 SMs
|
Streaming Multiprocessors
11 SMs
|
|
-
950MHz
|
1215MHz Shader
608MHz
|
|
Peak AI Performance
0.73 TOPS
INT32
|
Peak AI Performance
0.86 TOPS
INT32
|
|
FP32
730 GFLOPS
|
FP32
860 GFLOPS
|
|
FP64
30 GFLOPS
|
FP64
110 GFLOPS
|
|
INT32
0.73 TOPS
|
INT32
0.86 TOPS
|
|
Pixel Fillrate
15.2 GPixel/s
|
Pixel Fillrate
19.456 GPixel/s
|
|
Texture Fillrate
30.4 GTexel/s
|
Texture Fillrate
26.752 GTexel/s
|
|
L1
48KB/SM Tex
16KB/SM
|
L1
-
64KB/SM
|
|
L2
256KB Shared
|
L2
768KB Shared
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|
1GB
GDDR5
|
1GB
GDDR5
|
|
Bus Width
128Bit
|
Bus Width
256Bit
|
|
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
80GB/s
|
Clock
802MHz
Transfer Rate
3.2GT/s
Bandwidth
102.6GB/s
|
|
TDP
75W
|
TDP
200W
|
|
1x VGA
1x DVI-I Dual-Link
-
1x HDMI 1.4
|
-
2x DVI-I Dual-Link
1x mini-HDMI 1.3
-
|
|
Max Resolution
4096x2304
|
Max Resolution
2560x1600
|
|
Max Resolution Refresh Rate
30Hz
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
G-Sync
FreeSync
|
Variable Refresh Rate
-
-
|
|
Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
2
|
Multi Monitor Support
2
|
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Model
NVENC 1
|
No Encoders
-
|
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Codec
AVC (H.264)
|
-
-
|
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Model
NVDEC 1
|
No Decoders
|
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Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
|
-
-
-
-
-
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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
1.1
-
-
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Shader Model
6.5
CUDA
3.0
PureVideo HD
VP5
VDPAU
Feature Set D
|
Shader Model
5.1
CUDA
2.0
PureVideo HD
VP4
VDPAU
Feature Set C
|
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1x Fan
|
1x Fan
|
|
-
-
|
Power Connectors
2x 6-Pin
|
|
Slots Required
1.5
PCIe Version
3.0
PCIe Lanes
16
|
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
|
|
-
-
-
-
|
Multi GPU Support
Supported
Type
4-way SLI
|
|
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
241 mm (9.49 in)
Depth
38 mm (1.5 in)
|
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