Radeon R9 270 and Radeon HD 6670 - video card comparison
Passmark - benchmark score Radeon R9 270 vs Radeon HD 6670
Radeon R9 270
4435
Radeon HD 6670
752
Radeon R9 270
Radeon HD 6670
Architecture
GCN 1.0 (2012−2020)
TeraScale 2 (2009−2015)
GPU code name
Curacao
Turks
Market segment
Desktop
Desktop
Release date
November 2013
April 2011
Bus support
PCIe 3.0
PCIe 2.0 x16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1 x 6-pin
None
Boost clock speed
925 MHz
800 MHz
Floating-point performance
2,368 gflops
768.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,800 million
716 million
Pipelines / CUDA cores
1280
480
Power consumption (TDP)
150 Watt
66 Watt
Texture fill rate
74.00
19.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
1050 MHz
Memory bandwidth
179.2 GB/s
64 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x VGA
Eyefinity
1
1
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
DirectX® 11
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
+
-
AppAcceleration
-
-
CrossFire
1
1
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-