Radeon R7 M340 and Radeon HD 7400G - video card comparison
Passmark - benchmark score Radeon R7 M340 vs Radeon HD 7400G
Radeon R7 M340
679
Radeon HD 7400G
275
Radeon R7 M340
Radeon HD 7400G
Architecture
GCN (2011−2017)
Terascale 3 (2010−2013)
GPU code name
Meso Pro DDR3
Trinity
Market segment
Laptop
Laptop
Release date
June 2015
September 2012
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
IGP
Supplementary power connectors
None
-
Boost clock speed
1021 MHz
423 MHz
Compute units
6
-
Core clock speed
1021 MHz
327 MHz
Floating-point performance
549.1 gflops
-
Manufacturing process technology
28 nm
32 nm
Number of transistors
950 million
1,303 million
Pipelines / CUDA cores
320
192
Power consumption (TDP)
-
17 Watt
Texture fill rate
17.16
5.088
Memory type
DDR3
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
1000 MHz
System Shared
Memory bandwidth
16 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
Eyefinity
1
-
DirectX
DirectX® 12
11.2 (11_0)
Mantle
+
-
OpenCL
Not Listed
1.2
OpenGL
4.4
4.4
Shader Model
5.1
5.0
Vulkan
+
N/A
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-