Radeon HD 4870 X2 vs GeForce GTX 480

Radeon HD 4870 X2
GeForce GTX 480
2x 800 Shaders
2x 1GB GDDR5
750MHz
480 Shaders
2GB GDDR5
701MHz
FP32
2.4 TFLOPS
FP32
1.35 TFLOPS
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Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
286W
TDP
250W
Power Connectors
1x 6-Pin
1x 8-Pin
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Power Connectors
1x 6-Pin
1x 8-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 XT
Codename
NVC0
GF100
Variant
GF100-375-A3
Market Segment
Desktop
Market Segment
Desktop
Release Date
8/12/2008
Release Date
3/26/2010
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
2x 256 mm²
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Die Size
529 mm²
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Transistor Count
2x 956 Million
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Transistor Count
3 Billion
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Transistor Density
3.73M/mm²
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Transistor Density
5.67M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
2x 800 Shaders
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Shading Units
480 Shaders
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Texture Mapping Units
2x 40 TMUs
Texture Mapping Units
60 TMUs
Render Output Units
2x 16 ROPs
Render Output Units
48 ROPs
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Streaming Multiprocessors
15 SMs
Compute Units
2x 10 CUs
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750MHz
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1401MHz Shader
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701MHz
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FP32
2.4 TFLOPS
FP32
1.35 TFLOPS
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FP64
0.48 TFLOPS
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FP64
0.11 TFLOPS
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Pixel Fillrate
12 GPixel/s
Pixel Fillrate
33.648 GPixel/s
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Texture Fillrate
30 GTexel/s
Texture Fillrate
42.06 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
768KB Shared
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2x 1GB
GDDR5
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2GB
GDDR5
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Bus Width
256Bit
Bus Width
384Bit
Clock
900MHz
Transfer Rate
3.6GT/s
Bandwidth
115.2GB/s
Clock
924MHz
Transfer Rate
3.7GT/s
Bandwidth
177.4GB/s
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TDP
286W
TDP
250W
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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
2.0
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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
1x 8-Pin
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Power Connectors
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1x 6-Pin
1x 8-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
4-way SLI
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Height
130 mm (5.12 in)
Width
267 mm (10.51 in)
Depth
38 mm (1.5 in)
Change Results