Radeon HD 6870 and Radeon HD 7500G + HD 7550M Dual Graphics - video card comparison
Radeon HD 6870
Radeon HD 7500G + HD 7550M Dual Graphics
Architecture
Terascale 2 (2009−2015)
Terascale 3 (2010−2013)
GPU code name
RV940 Barts
-
Market segment
Desktop
Laptop
Release date
October 2010
May 2012
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
-
Supplementary power connectors
2x 6-pin
-
Boost clock speed
900 MHz
-
Core clock speed
-
655 / 600 MHz
Floating-point performance
2,016.0 gflops
-
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,700 million
-
Pipelines / CUDA cores
1120
736
Power consumption (TDP)
151 Watt
-
Texture fill rate
50.40
-
Memory type
GDDR5
-
Maximum RAM amount
1 GB
-
Memory bus width
256 Bit
128 Bit
Memory clock speed
1050 MHz
1800 MHz
Memory bandwidth
134.4 GB/s
-
Shared memory
-
+
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
-
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
11
Mantle
-
-
OpenCL
1.2
-
OpenGL
4.4
-
Shader Model
5.0
-
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-