GeForce GTX 285 Mac vs Radeon HD 4830

GeForce GTX 285 Mac
Radeon HD 4830
240 Shaders
1GB GDDR3
648MHz
640 Shaders
512MB GDDR4
575MHz
FP32
0.71 TFLOPS
FP32
0.74 TFLOPS
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Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
204W
TDP
95W
Power Connectors
2x 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
Tesla 2
Architecture
TeraScale 1
Family
GeForce 200
Family
Radeon HD 4000
Codename
NVA0
GT200B
Variant
GT200-350-B3
Codename
Wekiva
RV770
Variant
RV770 LE
Market Segment
Desktop
Market Segment
Desktop
Release Date
1/15/2009
Release Date
10/21/2008
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
55nm
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Fabrication Node
55nm
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Die Size
470 mm²
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Die Size
256 mm²
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Transistor Count
1.4 Billion
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Transistor Count
956 Million
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Transistor Density
2.98M/mm²
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Transistor Density
3.73M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
240 Shaders
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Shading Units
640 Shaders
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Texture Mapping Units
80 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
32 ROPs
Render Output Units
16 ROPs
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Streaming Multiprocessors
30 SMs
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Compute Units
8 CUs
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1476MHz Shader
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648MHz
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575MHz
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FP32
0.71 TFLOPS
FP32
0.74 TFLOPS
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FP64
0.09 TFLOPS
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FP64
0.15 TFLOPS
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Pixel Fillrate
20.736 GPixel/s
Pixel Fillrate
9.2 GPixel/s
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Texture Fillrate
51.84 GTexel/s
Texture Fillrate
18.4 GTexel/s
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L1
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Unknown
L1
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16KB/CU
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L2
256KB Shared
L2
256KB Shared
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1GB
GDDR3
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512MB
GDDR4
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Bus Width
512Bit
Bus Width
256Bit
Clock
1242MHz
Transfer Rate
2.5GT/s
Bandwidth
159GB/s
Clock
900MHz
Transfer Rate
1.8GT/s
Bandwidth
57.6GB/s
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TDP
204W
TDP
95W
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2x DVI-I Dual-Link
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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
11
Direct 3D
10_0
Direct X
10
Direct 3D
10_1
OpenGL
3.3
OpenCL
1.1
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OpenGL
3.3
OpenCL
1.1
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Shader Model
4.0
CUDA
1.3
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PureVideo HD
VP2
VDPAU
Feature Set A
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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2x 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
267 mm (10.51 in)
Depth
38 mm (1.5 in)
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Change Results