Radeon HD 6670 and Radeon HD 6630M Mac Edition - video card comparison
Radeon HD 6670
Radeon HD 6630M Mac Edition
Architecture
TeraScale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Turks
Whistler
Market segment
Desktop
Desktop
Release date
April 2011
January 2011
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
480.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
716 million
716 million
Pipelines / CUDA cores
480
480
Power consumption (TDP)
66 Watt
26 Watt
Texture fill rate
19.20
12.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
256 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1050 MHz
2400 MHz
Memory bandwidth
64 GB/s
19.2 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
11.2 (11_0)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
5.0
5.0
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-