GeForce GTX 645 vs Radeon HD 7750

GeForce GTX 645
Radeon HD 7750
576 Shaders
1GB GDDR5
889MHz
512 Shaders
1GB GDDR5
800MHz
FP32
1.02 TFLOPS
FP32
0.82 TFLOPS
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Form Factor
PCIe Card
1.0-Slots
Form Factor
PCIe Card
1.0-Slots
TDP
64W
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
Kepler
Architecture
GCN 1
Family
GeForce 600
Family
Radeon HD 7000
Codename
NVE6
GK106
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-
Codename
Cape Verde
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Variant
Cape Verde Pro
Market Segment
Desktop
Market Segment
Desktop
Release Date
4/22/2013
Release Date
2/1/2012
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
221 mm²
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Die Size
123 mm²
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Transistor Count
2.5 Billion
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Transistor Count
1.5 Billion
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Transistor Density
11.49M/mm²
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Transistor Density
12.20M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
576 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
16 ROPs
Render Output Units
16 ROPs
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Streaming Multiprocessors
3 SMs
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Compute Units
8 CUs
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824MHz Base
889MHz
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800MHz
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FP32
1.02 TFLOPS
FP32
0.82 TFLOPS
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FP64
0.04 TFLOPS
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FP64
0.05 TFLOPS
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Pixel Fillrate
14.216 GPixel/s
Pixel Fillrate
12.8 GPixel/s
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Texture Fillrate
42.648 GTexel/s
Texture Fillrate
25.6 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
512KB Shared
L2
256KB Shared
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1GB
GDDR5
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1GB
GDDR5
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Bus Width
128Bit
Bus Width
128Bit
Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
64GB/s
Clock
1125MHz
Transfer Rate
4.5GT/s
Bandwidth
72GB/s
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TDP
64W
TDP
55W
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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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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
-
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
No Encoders
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Codec
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AVC (H.264)
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Model
NVDEC 1
Model
UVD 3.0
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
1.0
PCIe Version
3.0
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
168 mm (6.61 in)
Depth
20 mm (0.79 in)
Height
111 mm (4.37 in)
Width
168 mm (6.61 in)
Depth
20 mm (0.79 in)
Change Results