Radeon HD 4850 and Mobility Radeon HD 5670 Mac Edition - video card comparison
Radeon HD 4850
Mobility Radeon HD 5670 Mac Edition
Architecture
Terascale 1 (2008−2010)
TeraScale 2 (2009−2015)
GPU code name
RV770
Madison
Market segment
Desktop
Desktop
Release date
June 2008
April 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
-
Core clock speed
625 MHz
650 MHz
Floating-point performance
1,000.0 gflops
520.0 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
956 million
627 million
Pipelines / CUDA cores
800
400
Power consumption (TDP)
110 Watt
15 Watt
Texture fill rate
25.00
13.00
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
993 MHz
1590 MHz
Memory bandwidth
63.55 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