Radeon HD 6870 and Radeon R7 M260 - video card comparison
Passmark - benchmark score Radeon HD 6870 vs Radeon R7 M260
Radeon HD 6870
2285
Radeon R7 M260
511
Radeon HD 6870
Radeon R7 M260
Architecture
Terascale 2 (2009−2015)
GCN (2011−2017)
GPU code name
RV940 Barts
Opal Pro / Mars
Market segment
Desktop
Laptop
Release date
October 2010
January 2014
Bus support
PCIe 2.0 x16
PCIe 3.0 x8
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
None
Boost clock speed
900 MHz
980 MHz
Compute units
-
6
Core clock speed
-
715 MHz
Floating-point performance
2,016.0 gflops
721.9 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,700 million
1,550 million
Pipelines / CUDA cores
1120
384
Power consumption (TDP)
151 Watt
-
Texture fill rate
50.40
23.52
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1050 MHz
900 MHz
Memory bandwidth
134.4 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
DirectX® 12
Mantle
-
+
OpenCL
1.2
2.0
OpenGL
4.4
4.3
Shader Model
5.0
6.3
AppAcceleration
-
-
CrossFire
1
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+