Radeon HD 6570 and Radeon HD 4670 X2 - video card comparison
Radeon HD 6570
Radeon HD 4670 X2
Architecture
TeraScale 2 (2009−2015)
TeraScale (2005−2013)
GPU code name
Turks
RV730
Market segment
Desktop
Desktop
Release date
April 2011
September 2008
Bus support
PCIe 2.1 x16
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
1x 6-pin
Boost clock speed
650 MHz
-
Core clock speed
-
750 MHz
Floating-point performance
624.0 gflops
2x 480.0 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
716 million
514 million
Pipelines / CUDA cores
480
320
Power consumption (TDP)
40 Watt
118 Watt
Texture fill rate
15.60
24.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
900 MHz
1400 MHz
Memory bandwidth
28.8 GB/s
22.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
4x DVI
Eyefinity
1
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 11
10.1 (10_1)
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.4
3.3
Shader Model
5.0
4.1
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
UVD
+
-
ZeroCore
-
-