GeForce GT 645 vs Radeon HD 7750

GeForce GT 645
Radeon HD 7750
288 Shaders
1GB GDDR5
776MHz
512 Shaders
1GB GDDR5
800MHz
FP32
0.89 TFLOPS
FP32
0.82 TFLOPS
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Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
1.0-Slots
TDP
140W
TDP
55W
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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
Fermi
Architecture
GCN 1
Family
GeForce 600
Family
Radeon HD 7000
Codename
NVCE
GF114
Variant
GF114-400-A1
Codename
Cape Verde
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Variant
Cape Verde Pro
Market Segment
Desktop
Market Segment
Desktop
Release Date
4/24/2012
Release Date
2/1/2012
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
40nm
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Fabrication Node
28nm
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Die Size
332 mm²
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Die Size
123 mm²
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Transistor Count
2 Billion
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Transistor Count
1.5 Billion
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Transistor Density
5.87M/mm²
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Transistor Density
12.20M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
288 Shaders
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Shading Units
512 Shaders
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Texture Mapping Units
48 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
24 ROPs
Render Output Units
16 ROPs
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Streaming Multiprocessors
6 SMs
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Compute Units
8 CUs
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1552MHz Shader
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776MHz
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800MHz
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FP32
0.89 TFLOPS
FP32
0.82 TFLOPS
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FP64
0.07 TFLOPS
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FP64
0.05 TFLOPS
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Pixel Fillrate
18.624 GPixel/s
Pixel Fillrate
12.8 GPixel/s
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Texture Fillrate
37.248 GTexel/s
Texture Fillrate
25.6 GTexel/s
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L1
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64KB/SM
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L1
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16KB/CU
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L2
512KB Shared
L2
256KB Shared
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1GB
GDDR5
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1GB
GDDR5
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Bus Width
192Bit
Bus Width
128Bit
Clock
957MHz
Transfer Rate
3.8GT/s
Bandwidth
91.9GB/s
Clock
1125MHz
Transfer Rate
4.5GT/s
Bandwidth
72GB/s
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TDP
140W
TDP
55W
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2x DVI-I Dual-Link
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1x mini-HDMI 1.3
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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
2560x1600
Max Resolution
4096x2160
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
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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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No Encoders
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No Decoders
Model
UVD 3.0
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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
1.1
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OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
5.1
CUDA
2.1
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PureVideo HD
VP4
VDPAU
Feature Set C
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
2.0
PCIe Version
2.0
PCIe Lanes
16
Slots Required
1.0
PCIe Version
3.0
PCIe Lanes
16
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Height
111 mm (4.37 in)
Width
210 mm (8.27 in)
Depth
38 mm (1.5 in)
Height
111 mm (4.37 in)
Width
168 mm (6.61 in)
Depth
20 mm (0.79 in)
Change Results