Radeon R7 M340 and GeForce GT 630 - video card comparison
Passmark - benchmark score Radeon R7 M340 vs GeForce GT 630
Radeon R7 M340
679
GeForce GT 630
697
Radeon R7 M340
GeForce GT 630
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Meso Pro DDR3
GF108
Market segment
Laptop
Desktop
Release date
June 2015
May 2012
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
1021 MHz
-
Compute units
6
-
Core clock speed
1021 MHz
810 MHz
Floating-point performance
549.1 gflops
311.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
950 million
585 million
Pipelines / CUDA cores
320
96
Power consumption (TDP)
-
65 Watt
Texture fill rate
17.16
12.96
Memory type
DDR3
DDR3
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1000 MHz
1800 MHz
Memory bandwidth
16 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
Eyefinity
1
-
HDMI
-
+
DirectX
DirectX® 12
12 (11_0)
CUDA
-
2.1
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
4.6
Shader Model
5.1
5.1
Vulkan
+
N/A
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-