Radeon HD 3870 X2 Specs

Radeon HD 3870 X2
2x 320 Shaders
2x 512MB GDDR4
825MHz
FP32
1.06 TFLOPS
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Form Factor
PCIe Card
2.0-Slots
TDP
165W
Power Connectors
1x 6-Pin
1x 8-Pin
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GB5 OpenCL - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
Manufacturer
ATI
Chip Designer
ATI
Architecture
TeraScale 1
Family
Radeon HD 3000
Codename
Boom
R680
Variant
R680 XT
Market Segment
Desktop
Release Date
1/28/2008
Foundry
TSMC
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Fabrication Node
55nm
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Die Size
2x 192 mm²
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Transistor Count
2x 666 Million
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Transistor Density
3.47M/mm²
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Form
PCIe Card
Shading Units
2x 320 Shaders
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Texture Mapping Units
2x 16 TMUs
Render Output Units
2x 16 ROPs
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Compute Units
2x 4 CUs
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825MHz
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FP32
1.06 TFLOPS
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FP64
0.21 TFLOPS
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Pixel Fillrate
13.2 GPixel/s
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Texture Fillrate
13.2 GTexel/s
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L1
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Unknown
L2
256KB Shared
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2x 512MB
GDDR4
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Bus Width
256Bit
Clock
1125MHz
Transfer Rate
2.3GT/s
Bandwidth
72GB/s
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TDP
165W
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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 Refresh Rate
60Hz
Variable Refresh Rate
-
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Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
2
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No Encoders
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Model
UVD 1.0
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
OpenGL
3.3
OpenCL
1.1
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Shader Model
4.1
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GFX
3
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1x Fan
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
Multi GPU Support
Supported
Type
2-way CrossFireX
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Change Results