Radeon HD 6670 and GeForce 8800 GT Mac Edition - video card comparison
Radeon HD 6670
GeForce 8800 GT Mac Edition
Architecture
TeraScale 2 (2009−2015)
Tesla (2006−2010)
GPU code name
Turks
G92
Market segment
Desktop
Desktop
Release date
April 2011
February 2008
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
1x 6-pin
Boost clock speed
800 MHz
-
Core clock speed
-
600 MHz
Floating-point performance
768.0 gflops
336.0 gflops
Manufacturing process technology
40 nm
65 nm
Number of transistors
716 million
754 million
Pipelines / CUDA cores
480
112
Power consumption (TDP)
66 Watt
125 Watt
Texture fill rate
19.20
33.60
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1050 MHz
1800 MHz
Memory bandwidth
64 GB/s
57.6 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
2x DVI
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
11.1 (10_0)
CUDA
-
1.1
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.4
3.3
Shader Model
5.0
4.0
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-