Radeon R7 M340 and GeForce GT 630M - video card comparison
Passmark - benchmark score Radeon R7 M340 vs GeForce GT 630M
Radeon R7 M340
679
GeForce GT 630M
556
Radeon R7 M340
GeForce GT 630M
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Meso Pro DDR3
N13P-GL/GL2
Market segment
Laptop
Laptop
Release date
June 2015
December 2011
Bus support
PCIe 3.0
PCI Express 2.0
Interface
PCIe 3.0 x8
MXM-A (3.0)
Supplementary power connectors
None
-
Boost clock speed
1021 MHz
-
Compute units
6
-
Core clock speed
1021 MHz
Up to 800 MHz
CUDA cores
-
96
Floating-point performance
549.1 gflops
253.4 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
950 million
585 million
Pipelines / CUDA cores
320
96
Power consumption (TDP)
-
33 Watt
Texture fill rate
17.16
Up to 12.8 billion/sec
Memory type
DDR3
DDR3\GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
Up to 128bit
Memory clock speed
1000 MHz
1800 MHz
Memory bandwidth
16 GB/s
Up to 32.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
1
-
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
DirectX® 12
12 (11_0)
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
4.5
Shader Model
5.1
5.1
Vulkan
+
N/A
3D Blu-Ray
-
+
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
Optimus
-
+
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-