Radeon HD 6490 vs GeForce GTS 450

Radeon HD 6490
GeForce GTS 450
320 Shaders
1GB DDR2
550MHz
144 Shaders
2GB GDDR5
790MHz
FP32
0.35 TFLOPS
FP32
0.46 TFLOPS
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Form Factor
PCIe Card
1.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
55W
TDP
106W
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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
AMD
Manufacturer
NVIDIA
Chip Designer
AMD
Chip Designer
NVIDIA
Architecture
TeraScale 2
Architecture
Fermi
Family
Radeon HD 6000
Family
GeForce 400
Codename
Redwood
RV830
Variant
Redwood Pro
Codename
NVC3
GF106
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Market Segment
Desktop
Market Segment
Desktop
Release Date
7/4/2011
Release Date
10/11/2010
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
40nm
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Fabrication Node
40nm
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Die Size
104 mm²
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Die Size
238 mm²
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Transistor Count
627 Million
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Transistor Count
1.2 Billion
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Transistor Density
6.03M/mm²
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Transistor Density
4.92M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
320 Shaders
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Shading Units
144 Shaders
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Texture Mapping Units
16 TMUs
Texture Mapping Units
24 TMUs
Render Output Units
8 ROPs
Render Output Units
24 ROPs
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Streaming Multiprocessors
3 SMs
Compute Units
4 CUs
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550MHz
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1580MHz Shader
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790MHz
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FP32
0.35 TFLOPS
FP32
0.46 TFLOPS
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FP64
0.04 TFLOPS
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Pixel Fillrate
4.4 GPixel/s
Pixel Fillrate
18.96 GPixel/s
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Texture Fillrate
8.8 GTexel/s
Texture Fillrate
18.96 GTexel/s
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L1
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8KB/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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1GB
DDR2
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2GB
GDDR5
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Bus Width
128Bit
Bus Width
192Bit
Clock
500MHz
Transfer Rate
1GT/s
Bandwidth
16GB/s
Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
96GB/s
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TDP
55W
TDP
106W
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1x VGA
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1x DVI-I Dual-Link
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1x HDMI 1.3
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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 3.0
No Decoders
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
11
Direct 3D
11_0
Direct X
12
Direct 3D
11_0
OpenGL
4.5
OpenCL
1.2
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OpenGL
4.6
OpenCL
1.1
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Shader Model
5.0
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GFX
4
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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
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Power Connectors
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1x 6-Pin
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Slots Required
1.0
PCIe Version
2.1
PCIe Lanes
16
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
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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)
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