Radeon HD 4850 and Mobility Radeon HD 4550 - video card comparison
Radeon HD 4850
Mobility Radeon HD 4550
Architecture
Terascale 1 (2008−2010)
Terascale 1 (2008−2010)
GPU code name
RV770
M92
Market segment
Desktop
Laptop
Release date
June 2008
January 2010
Interface
PCIe 2.0 x16
MXM-II
Supplementary power connectors
1x 6-pin
None
Core clock speed
625 MHz
550 MHz
Floating-point performance
1,000.0 gflops
88 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
956 million
242 million
Pipelines / CUDA cores
800
80
Power consumption (TDP)
110 Watt
-
Texture fill rate
25.00
4.400
Memory type
GDDR3
GDDR3, DDR2, DDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
993 MHz
700 MHz
Memory bandwidth
63.55 GB/s
11.2 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
10.1 (10_1)
OpenCL
1.1
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A