Radeon HD 4770 and Mobility Radeon HD 5850 - video card comparison
Radeon HD 4770
Mobility Radeon HD 5850
Architecture
TeraScale (2005−2013)
Terascale 2 (2009−2015)
GPU code name
RV740
Broadway-PRO
Market segment
Desktop
Laptop
Release date
April 2009
January 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
-
Core clock speed
750 MHz
625 MHz
Floating-point performance
960.0 gflops
800.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
826 million
1,040 million
Pipelines / CUDA cores
640
800
Power consumption (TDP)
80 Watt
39 Watt
Texture fill rate
24.00
20.00
Memory type
GDDR5
DDR3, GDDR3, GDDR5
Maximum RAM amount
512 MB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
3200 MHz
2000 MHz
Memory bandwidth
51.2 GB/s
64 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
11.2 (11_0)
OpenCL
1.1
1.2
OpenGL
3.3
4.4
Shader Model
4.1
5.0
Vulkan
N/A
N/A