Radeon R7 M340 and GeForce GTS 250M - video card comparison
Passmark - benchmark score Radeon R7 M340 vs GeForce GTS 250M
Radeon R7 M340
679
GeForce GTS 250M
570
Radeon R7 M340
GeForce GTS 250M
Architecture
GCN (2011−2017)
GT2xx (2009−2012)
GPU code name
Meso Pro DDR3
N10E-GE
Market segment
Laptop
Laptop
Release date
June 2015
June 2009
Bus support
PCIe 3.0
PCI-E 2.0
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
-
SLI options
-
+
MXM Type
-
MXM 3.0 Type-B
Boost clock speed
1021 MHz
-
Compute units
6
-
Core clock speed
1021 MHz
500 MHz
CUDA cores
-
96
Floating-point performance
549.1 gflops
240 gflops
Gigaflops
-
360
Manufacturing process technology
28 nm
40 nm
Number of transistors
950 million
727 million
Pipelines / CUDA cores
320
96
Power consumption (TDP)
-
28 Watt
Texture fill rate
17.16
16.00
Memory type
DDR3
DDR3, GDDR3, GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1000 MHz
Up to 2000 MHz
Memory bandwidth
16 GB/s
51.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
HDMIVGALVDSSingle Link DVIDisplayPortDual Link DVI
Eyefinity
1
-
HDMI
-
+
Maximum VGA resolution
-
2048x1536
DirectX
DirectX® 12
11.1 (10_1)
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
2.1
Shader Model
5.1
4.1
Vulkan
+
N/A
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
Power management
-
8.0
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-