Mobility Radeon HD 4870 X2 Specs

Mobility Radeon HD 4870 X2
2x 800 Shaders
2x 1GB GDDR5
550MHz
FP32
1.76 TFLOPS
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Form Factor
MXM-A
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TDP
Unknown
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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 4000
Codename
Wekiva
RV770
Variant
M98 XT
Market Segment
Laptop
Release Date
1/9/2009
Foundry
TSMC
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Fabrication Node
55nm
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Die Size
2x 256 mm²
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Transistor Count
2x 956 Million
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Transistor Density
3.73M/mm²
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Form
MXM-A
Shading Units
2x 800 Shaders
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Texture Mapping Units
2x 40 TMUs
Render Output Units
2x 16 ROPs
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Compute Units
2x 10 CUs
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550MHz
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FP32
1.76 TFLOPS
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FP64
0.35 TFLOPS
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Pixel Fillrate
8.8 GPixel/s
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Texture Fillrate
22 GTexel/s
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L1
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16KB/CU
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L2
256KB Shared
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2x 1GB
GDDR5
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Bus Width
256Bit
Clock
700MHz
Transfer Rate
2.8GT/s
Bandwidth
89.6GB/s
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TDP
Unknown
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No Ports
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 2.0
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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Not a Card
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PCIe Version
2.0
PCIe Lanes
16
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Change Results