Radeon R7 M340 and GeForce 9400 GT - video card comparison
Passmark - benchmark score Radeon R7 M340 vs GeForce 9400 GT
Radeon R7 M340
679
GeForce 9400 GT
148
Radeon R7 M340
GeForce 9400 GT
Architecture
GCN (2011−2017)
Tesla (2006−2010)
GPU code name
Meso Pro DDR3
G96C
Market segment
Laptop
Desktop
Release date
June 2015
August 2008
Bus support
PCIe 3.0
PCI-E 2.0
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
None
SLI options
-
+
Boost clock speed
1021 MHz
-
Compute units
6
-
Core clock speed
1021 MHz
550 MHz
CUDA cores
-
16
Floating-point performance
549.1 gflops
29.376 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
950 million
314 million
Pipelines / CUDA cores
320
16
Power consumption (TDP)
-
50 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
17.16
4.4 billion/sec
Memory type
DDR3
DDR2
Maximum RAM amount
4 GB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1000 MHz
400 MHz
Memory bandwidth
16 GB/s
12.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
Dual Link DVI
Multi monitor support
-
+
Eyefinity
1
-
HDMI
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
S/PDIF
DirectX
DirectX® 12
11.1 (10_0)
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
2.1
Shader Model
5.1
4.0
Vulkan
+
N/A
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-