Radeon HD 6670 and GeForce GT 740A - video card comparison
Passmark - benchmark score Radeon HD 6670 vs GeForce GT 740A
Radeon HD 6670
752
GeForce GT 740A
687
Radeon HD 6670
GeForce GT 740A
Architecture
TeraScale 2 (2009−2015)
Kepler 2.0 (2013−2015)
GPU code name
Turks
GK208
Market segment
Desktop
Desktop
Release date
April 2011
August 2013
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
-
Boost clock speed
800 MHz
-
Core clock speed
-
980 MHz
Floating-point performance
768.0 gflops
752.6 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
716 million
915 million
Pipelines / CUDA cores
480
384
Power consumption (TDP)
66 Watt
33 Watt
Texture fill rate
19.20
31.36
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1050 MHz
1800 MHz
Memory bandwidth
64 GB/s
14.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
12 (11_0)
CUDA
-
3.5
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
-
1.1.126
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-