Radeon HD 4830 vs GeForce GTS 450 4SM

Radeon HD 4830
GeForce GTS 450 4SM
640 Shaders
512MB GDDR4
575MHz
192 Shaders
1GB GDDR5
783MHz
FP32
0.74 TFLOPS
FP32
0.6 TFLOPS
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Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
95W
TDP
106W
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
ATI
Manufacturer
NVIDIA
Chip Designer
ATI
Chip Designer
NVIDIA
Architecture
TeraScale 1
Architecture
Fermi
Family
Radeon HD 4000
Family
GeForce 400
Codename
Wekiva
RV770
Variant
RV770 LE
Codename
NVC3
GF106
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Market Segment
Desktop
Market Segment
Desktop
Release Date
10/21/2008
Release Date
9/13/2010
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
55nm
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Fabrication Node
40nm
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Die Size
256 mm²
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Die Size
238 mm²
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Transistor Count
956 Million
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Transistor Count
1.2 Billion
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Transistor Density
3.73M/mm²
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Transistor Density
4.92M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
640 Shaders
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Shading Units
192 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
Compute Units
8 CUs
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575MHz
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1566MHz Shader
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783MHz
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FP32
0.74 TFLOPS
FP32
0.6 TFLOPS
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FP64
0.15 TFLOPS
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FP64
0.05 TFLOPS
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Pixel Fillrate
9.2 GPixel/s
Pixel Fillrate
12.528 GPixel/s
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Texture Fillrate
18.4 GTexel/s
Texture Fillrate
25.056 GTexel/s
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L1
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16KB/CU
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L1
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64KB/SM
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L2
256KB Shared
L2
384KB Shared
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512MB
GDDR4
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1GB
GDDR5
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Bus Width
256Bit
Bus Width
128Bit
Clock
900MHz
Transfer Rate
1.8GT/s
Bandwidth
57.6GB/s
Clock
902MHz
Transfer Rate
3.6GT/s
Bandwidth
57.7GB/s
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TDP
95W
TDP
106W
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1x S-Video
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2x DVI-I Dual-Link
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2x DVI-I Dual-Link
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1x mini-HDMI 1.3
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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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Model
UVD 2.0
No Decoders
Codec
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VC-1
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AVC (H.264)
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Direct X
10
Direct 3D
10_1
Direct X
12
Direct 3D
11_0
OpenGL
3.3
OpenCL
1.1
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OpenGL
4.6
OpenCL
1.1
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Shader Model
4.1
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GFX
3
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Shader Model
5.1
CUDA
2.1
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PureVideo HD
VP4
VDPAU
Feature Set C
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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
2-way CrossFireX
Multi GPU Support
Supported
Type
3-way SLI
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Height
111 mm (4.37 in)
Width
210 mm (8.27 in)
Depth
38 mm (1.5 in)
Change Results