ATI Mobility Radeon HD 4850 vs ATI Mobility Radeon HD 4860

ATI Mobility Radeon HD 4850
ATI Mobility Radeon HD 4860
800 Shaders
1GB GDDR3
500MHz
640 Shaders
1GB GDDR5
650MHz
Peak AI Performance
800 GFLOPS
FP32
Peak AI Performance
830 GFLOPS
FP32
FP32
800 GFLOPS
FP32
830 GFLOPS
Form Factor
MXM-A
Form Factor
MXM-A
TDP
Unknown
TDP
Unknown

Peak AI Performance

  • 4% slower vs Mobility Radeon HD 4860
  • 4% faster vs Mobility Radeon HD 4850
Mobility Radeon HD 4850 - 800 GFLOPS FP32
x1
Mobility Radeon HD 4860 - 830 GFLOPS FP32
x1.04

FP32

  • 4% slower vs Mobility Radeon HD 4860
  • 4% faster vs Mobility Radeon HD 4850
Mobility Radeon HD 4850 - 800 GFLOPS FP32
x1
Mobility Radeon HD 4860 - 830 GFLOPS FP32
x1.04
  • 15% slower vs Mobility Radeon HD 4860
  • 18% faster vs Mobility Radeon HD 4850
Mobility Radeon HD 4850 - 54.4GB/s
x1
Mobility Radeon HD 4860 - 64GB/s
x1.18
Manufacturer
ATI
Manufacturer
ATI
Chip Designer
ATI
Chip Designer
ATI
Architecture
TeraScale 1
Architecture
TeraScale 1
Family
Radeon HD 4000
Family
Radeon HD 4000
Codename
Wekiva
RV770
Variant
M98
Codename
Walden
RV740
Variant
M97
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/9/2009
Release Date
3/3/2009
Foundry
TSMC
Foundry
TSMC
Fabrication Node
55nm
Fabrication Node
40nm
Die Size
256 mm²
Die Size
137 mm²
Transistor Count
956 Million
Transistor Count
826 Million
Transistor Density
3.73M/mm²
Transistor Density
6.03M/mm²
Form
MXM-A
Form
MXM-A
Shading Units
800 Shaders
Shading Units
640 Shaders
Texture Mapping Units
40 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
16 ROPs
Render Output Units
16 ROPs
Compute Units
10 CUs
Compute Units
8 CUs
500MHz
650MHz
Peak AI Performance
800 GFLOPS
FP32
Peak AI Performance
830 GFLOPS
FP32
FP32
800 GFLOPS
FP32
830 GFLOPS
FP64
160 GFLOPS
FP64
170 GFLOPS
Pixel Fillrate
8 GPixel/s
Pixel Fillrate
10.4 GPixel/s
Texture Fillrate
20 GTexel/s
Texture Fillrate
20.8 GTexel/s
L1
16KB/CU
L1
16KB/CU
L2
256KB Shared
L2
256KB Shared
1GB
GDDR3
1GB
GDDR5
Bus Width
256Bit
Bus Width
128Bit
Clock
850MHz
Transfer Rate
1.7GT/s
Bandwidth
54.4GB/s
Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
64GB/s
TDP
Unknown
TDP
Unknown
Max Resolution
2560x1600
Max Resolution
2560x1600
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
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 2.0
Model
UVD 2.0
Codec
VC-1
AVC (H.264)
Codec
VC-1
AVC (H.264)
Direct X
10
Direct 3D
10_1
Direct X
10
Direct 3D
10_1
OpenGL
3.3
OpenCL
1.1
OpenGL
3.3
OpenCL
1.1
Shader Model
4.1
GFX
3
Shader Model
4.1
GFX
3
Not a Card
Not a Card
PCIe Version
2.0
PCIe Lanes
16
PCIe Version
2.0
PCIe Lanes
16
Change Comparison