NVIDIA GeForce GTS 450 4SM vs ATI Radeon HD 4830

NVIDIA GeForce GTS 450 4SM $129
ATI Radeon HD 4830 $130
192 Shaders
1GB GDDR5
783MHz
640 Shaders
512MB GDDR4
575MHz
FP32
0.6 TFLOPS
FP32
0.74 TFLOPS
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Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
106W
TDP
95W
Power Connectors
1x 6-Pin
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Power Connectors
1x 6-Pin
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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
ATI
Chip Designer
NVIDIA
Chip Designer
ATI
Architecture
Fermi
Architecture
TeraScale 1
Family
GeForce 400
Family
Radeon HD 4000
Codename
NVC3
GF106
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Codename
Wekiva
RV770
Variant
RV770 LE
Market Segment
Desktop
Market Segment
Desktop
Release Date
9/13/2010
Release Date
10/21/2008
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
40nm
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Fabrication Node
55nm
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Die Size
238 mm²
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Die Size
256 mm²
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Transistor Count
1.2 Billion
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Transistor Count
956 Million
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Transistor Density
4.92M/mm²
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Transistor Density
3.73M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
192 Shaders
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Shading Units
640 Shaders
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Texture Mapping Units
32 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
16 ROPs
Render Output Units
16 ROPs
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Streaming Multiprocessors
4 SMs
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Compute Units
8 CUs
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1566MHz Shader
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783MHz
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575MHz
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FP32
0.6 TFLOPS
FP32
0.74 TFLOPS
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FP64
0.05 TFLOPS
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FP64
0.15 TFLOPS
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Pixel Fillrate
12.528 GPixel/s
Pixel Fillrate
9.2 GPixel/s
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Texture Fillrate
25.056 GTexel/s
Texture Fillrate
18.4 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
384KB Shared
L2
256KB Shared
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1GB
GDDR5
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512MB
GDDR4
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Bus Width
128Bit
Bus Width
256Bit
Clock
902MHz
Transfer Rate
3.6GT/s
Bandwidth
57.7GB/s
Clock
900MHz
Transfer Rate
1.8GT/s
Bandwidth
57.6GB/s
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TDP
106W
TDP
95W
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2x DVI-I Dual-Link
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1x mini-HDMI 1.3
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1x S-Video
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2x DVI-I Dual-Link
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Max Resolution
2560x1600
Max Resolution
2560x1600
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
2
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No Encoders
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No Encoders
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No Decoders
Model
UVD 2.0
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Codec
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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
10
Direct 3D
10_1
OpenGL
4.6
OpenCL
1.1
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OpenGL
3.3
OpenCL
1.1
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Shader Model
5.1
CUDA
2.1
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PureVideo HD
VP4
VDPAU
Feature Set C
Shader Model
4.1
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GFX
3
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1x Fan
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1x Fan
Power Connectors
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1x 6-Pin
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Power Connectors
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1x 6-Pin
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Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
3-way SLI
Multi GPU Support
Supported
Type
2-way CrossFireX
Height
111 mm (4.37 in)
Width
210 mm (8.27 in)
Depth
38 mm (1.5 in)
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Change Comparison