GeForce GT 640 1GB vs Radeon HD 8670

GeForce GT 640 1GB
Radeon HD 8670
384 Shaders
1GB DDR3
797MHz
384 Shaders
2GB GDDR5
1000MHz
FP32
0.61 TFLOPS
FP32
0.77 TFLOPS
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Form Factor
PCIe Card
1.5-Slots
Form Factor
PCIe Card
1.0-Slots
TDP
50W
TDP
86W
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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
Architecture
GCN 1
Family
GeForce 600
Family
Radeon HD 8000
Codename
NVE7
GK107
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Codename
Oland
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Variant
Oland XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
4/24/2012
Release Date
1/8/2013
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
77 mm²
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Transistor Count
1.3 Billion
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Transistor Count
950 Million
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Transistor Density
10.76M/mm²
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Transistor Density
12.34M/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
32 TMUs
Texture Mapping Units
24 TMUs
Render Output Units
16 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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797MHz
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1000MHz
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FP32
0.61 TFLOPS
FP32
0.77 TFLOPS
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FP64
0.03 TFLOPS
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FP64
0.05 TFLOPS
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Pixel Fillrate
12.752 GPixel/s
Pixel Fillrate
8 GPixel/s
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Texture Fillrate
25.504 GTexel/s
Texture Fillrate
24 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
DDR3
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2GB
GDDR5
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Bus Width
128Bit
Bus Width
128Bit
Clock
891MHz
Transfer Rate
1.8GT/s
Bandwidth
28.5GB/s
Clock
1150MHz
Transfer Rate
4.6GT/s
Bandwidth
73.6GB/s
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TDP
50W
TDP
86W
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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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1x HDMI 1.4
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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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Model
NVENC 1
Model
VCE 1.0
Codec
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AVC (H.264)
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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
3.0
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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
3.0
PCIe Lanes
16
Slots Required
1.0
PCIe Version
3.0
PCIe Lanes
8
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Multi GPU Support
Supported
Type
2-way CrossFireX
Height
111 mm (4.37 in)
Width
145 mm (5.71 in)
Depth
30 mm (1.18 in)
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Change Results