Radeon HD 4770 and Mobility Radeon HD 5670 Mac Edition - video card comparison
Radeon HD 4770
Mobility Radeon HD 5670 Mac Edition
Architecture
TeraScale (2005−2013)
TeraScale 2 (2009−2015)
GPU code name
RV740
Madison
Market segment
Desktop
Desktop
Release date
April 2009
April 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
-
Core clock speed
750 MHz
650 MHz
Floating-point performance
960.0 gflops
520.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
826 million
627 million
Pipelines / CUDA cores
640
400
Power consumption (TDP)
80 Watt
15 Watt
Texture fill rate
24.00
13.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
3200 MHz
1590 MHz
Memory bandwidth
51.2 GB/s
25.44 GB/s
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