Radeon R7 260 and Radeon R7 M340 - video card comparison
Passmark - benchmark score Radeon R7 260 vs Radeon R7 M340
Radeon R7 260
2978
Radeon R7 M340
679
Radeon R7 260
Radeon R7 M340
Architecture
GCN 2.0 (2013−2017)
GCN (2011−2017)
GPU code name
Bonaire
Meso Pro DDR3
Market segment
Desktop
Laptop
Release date
December 2013
June 2015
Bus support
PCIe 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1 x 6-pin
None
Boost clock speed
1100 MHz
1021 MHz
Compute units
-
6
Core clock speed
-
1021 MHz
Floating-point performance
1,536 gflops
549.1 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,080 million
950 million
Pipelines / CUDA cores
768
320
Power consumption (TDP)
115 Watt
-
Texture fill rate
48.00
17.16
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1625 MHz
1000 MHz
Memory bandwidth
104 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
Eyefinity
1
1
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
DirectX® 12
Mantle
-
+
OpenCL
2.0
Not Listed
OpenGL
4.6
4.4
Shader Model
6.3
5.1
Vulkan
-
+
AppAcceleration
-
-
DDMA audio
+
-
DualGraphics
-
1
Enduro
-
-
FreeSync
1
1
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+