AMD Radeon HD 6870M vs ATI Mobility Radeon HD 5830
AMD Radeon HD 6870M
ATI Mobility Radeon HD 5830
|
800 Shaders
1GB GDDR5
675MHz
|
800 Shaders
1GB GDDR3
500MHz
|
|
Peak AI Performance
1.08 TFLOPS
FP32
|
Peak AI Performance
800 GFLOPS
FP32
|
|
FP32
1.08 TFLOPS
|
FP32
800 GFLOPS
|
|
Form Factor
Soldered
|
Form Factor
Soldered
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|
TDP
50W
|
TDP
24W
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Peak AI Performance
|
|
Radeon HD 6870M - 1.08 TFLOPS FP32
x1.35
Mobility Radeon HD 5830 - 800 GFLOPS FP32
x1
FP32
|
|
Radeon HD 6870M - 1.08 TFLOPS FP32
x1.35
Mobility Radeon HD 5830 - 800 GFLOPS FP32
x1
|
|
Radeon HD 6870M - 64GB/s
x2.5
Mobility Radeon HD 5830 - 25.6GB/s
x1
|
|
Radeon HD 6870M - 50W
x2.08
Mobility Radeon HD 5830 - 24W
x1
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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Manufacturer
AMD
|
Manufacturer
ATI
|
|
Chip Designer
AMD
|
Chip Designer
ATI
|
|
Architecture
TeraScale 2
|
Architecture
TeraScale 2
|
|
Family
Radeon HD 6000
|
Family
Radeon HD 5000
|
|
Codename
Juniper
RV840
Variant
Granville XT
|
Codename
Juniper
RV840
Variant
Broadway LP
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
1/4/2011
|
Release Date
1/7/2010
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
40nm
|
Fabrication Node
40nm
|
|
Die Size
166 mm²
|
Die Size
166 mm²
|
|
Transistor Count
1 Billion
|
Transistor Count
1 Billion
|
|
Transistor Density
6.27M/mm²
|
Transistor Density
6.27M/mm²
|
|
Form
Soldered
|
Form
Soldered
|
|
Shading Units
800 Shaders
|
Shading Units
800 Shaders
|
|
Texture Mapping Units
40 TMUs
|
Texture Mapping Units
40 TMUs
|
|
Render Output Units
16 ROPs
|
Render Output Units
16 ROPs
|
|
Compute Units
10 CUs
|
Compute Units
10 CUs
|
|
675MHz
|
500MHz
|
|
Peak AI Performance
1.08 TFLOPS
FP32
|
Peak AI Performance
800 GFLOPS
FP32
|
|
FP32
1.08 TFLOPS
|
FP32
800 GFLOPS
|
|
Pixel Fillrate
10.8 GPixel/s
|
Pixel Fillrate
8 GPixel/s
|
|
Texture Fillrate
27 GTexel/s
|
Texture Fillrate
20 GTexel/s
|
|
L1
8KB/CU
|
L1
8KB/CU
|
|
L2
256KB Shared
|
L2
256KB Shared
|
|
1GB
GDDR5
|
1GB
GDDR3
|
|
Bus Width
128Bit
|
Bus Width
128Bit
|
|
Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
64GB/s
|
Clock
800MHz
Transfer Rate
1.6GT/s
Bandwidth
25.6GB/s
|
|
TDP
50W
|
TDP
24W
|
|
Max Resolution
2560x1600
|
Max Resolution
2560x1600
|
|
Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
|
Variable Refresh Rate
|
|
Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
2
|
Multi Monitor Support
2
|
|
No Encoders
|
No Encoders
|
|
Model
UVD 2.2
|
Model
UVD 2.2
|
|
Codec
VC-1
AVC (H.264)
|
Codec
VC-1
AVC (H.264)
|
|
Direct X
11
Direct 3D
11_0
|
Direct X
11
Direct 3D
11_0
|
|
OpenGL
4.5
OpenCL
1.2
|
OpenGL
4.5
OpenCL
1.2
|
|
Shader Model
5.0
GFX
4
|
Shader Model
5.0
GFX
4
|
|
Not a Card
|
Not a Card
|
|
PCIe Version
2.1
PCIe Lanes
16
|
PCIe Version
2.1
PCIe Lanes
16
|
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