Radeon HD 6670 and GeForce 820A - video card comparison
Passmark - benchmark score Radeon HD 6670 vs GeForce 820A
Radeon HD 6670
752
GeForce 820A
572
Radeon HD 6670
GeForce 820A
Architecture
TeraScale 2 (2009−2015)
Fermi 2.0 (2010−2014)
GPU code name
Turks
GF117
Market segment
Desktop
Desktop
Release date
April 2011
March 2014
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
-
775 MHz
Floating-point performance
768.0 gflops
297.6 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
716 million
585 million
Pipelines / CUDA cores
480
96
Power consumption (TDP)
66 Watt
15 Watt
Texture fill rate
19.20
12.40
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
1 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
-
2.1
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-