Radeon R7 M340 and GeForce GT 740M - video card comparison
Passmark - benchmark score Radeon R7 M340 vs GeForce GT 740M
Radeon R7 M340
679
GeForce GT 740M
816
Radeon R7 M340
GeForce GT 740M
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Meso Pro DDR3
N14P-GV2, ...
Market segment
Laptop
Laptop
Release date
June 2015
March 2013
Bus support
PCIe 3.0
PCI Express 3.0
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
-
Boost clock speed
1021 MHz
980 MHz
Compute units
6
-
Core clock speed
1021 MHz
810 MHz
Floating-point performance
549.1 gflops
752.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
950 million
915 million
Pipelines / CUDA cores
320
384
Power consumption (TDP)
-
45 Watt
Texture fill rate
17.16
31.36
Memory type
DDR3
DDR3
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
1000 MHz
1600 - 1800 MHz
Memory bandwidth
16 GB/s
14.4 GB/s
Shared memory
-
-
Standard memory configuration
-
DDR3/GDDR5
Display Connectors
No outputs
No outputs
eDP 1.2 signal support
-
Up to 3840x2160
LVDS signal support
-
Up to 1920x1200
Eyefinity
1
-
VGA аnalog display support
-
Up to 2048x1536
DisplayPort Multimode (DP++) support
-
Up to 3840x2160
HDCP content protection
-
+
HDMI
-
+
7.1 channel HD audio on HDMI
-
+
DirectX
DirectX® 12
12 API
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
4.5
Shader Model
5.1
5.1
Vulkan
+
1.1.126
3D Vision / 3DTV Play
-
+
AppAcceleration
-
-
Blu-Ray 3D Support
-
+
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
H.264, VC1, MPEG2 1080p video decoder
-
+
HD3D
+
-
Optimus
-
+
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
TrueHD and DTS-HD audio bitstreaming
-
+
ZeroCore
+
-