Radeon HD 6670 and Mobility Radeon HD 4850 - video card comparison
Radeon HD 6670
Mobility Radeon HD 4850
Architecture
TeraScale 2 (2009−2015)
Terascale 1 (2008−2010)
GPU code name
Turks
M98
Market segment
Desktop
Laptop
Release date
April 2011
January 2009
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Boost clock speed
800 MHz
-
Core clock speed
-
500 MHz
Floating-point performance
768.0 gflops
800.0 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
716 million
956 million
Pipelines / CUDA cores
480
800
Power consumption (TDP)
66 Watt
-
Texture fill rate
19.20
20.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1050 MHz
850 MHz
Memory bandwidth
64 GB/s
54.4 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
10.1 (10_1)
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.4
3.3
Shader Model
5.0
4.1
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-