Radeon HD 6670 and Radeon R7 M270 - video card comparison
Passmark - benchmark score Radeon HD 6670 vs Radeon R7 M270
Radeon HD 6670
752
Radeon R7 M270
789
Radeon HD 6670
Radeon R7 M270
Architecture
TeraScale 2 (2009−2015)
GCN (2011−2017)
GPU code name
Turks
Opal XT / Mars
Market segment
Desktop
Laptop
Release date
April 2011
January 2014
Bus support
PCIe 2.0 x16
PCIe 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
-
Boost clock speed
800 MHz
-
Core clock speed
-
825 MHz
Floating-point performance
768.0 gflops
633.6 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
716 million
950 million
Pipelines / CUDA cores
480
384
Power consumption (TDP)
66 Watt
-
Texture fill rate
19.20
19.80
Memory type
GDDR5
Not Listed
Maximum RAM amount
1 GB
0 MB
Memory bus width
128 Bit
Not Listed
Memory clock speed
1050 MHz
-
Memory bandwidth
64 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
DirectX® 11
Mantle
-
+
OpenCL
1.2
Not Listed
OpenGL
4.4
4.4
Shader Model
5.0
5.1
AppAcceleration
-
-
CrossFire
1
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+