Radeon R7 M340 and Mobility Radeon HD 4650 - video card comparison
Passmark - benchmark score Radeon R7 M340 vs Mobility Radeon HD 4650
Radeon R7 M340
679
Mobility Radeon HD 4650
413
Radeon R7 M340
Mobility Radeon HD 4650
Architecture
GCN (2011−2017)
Terascale 1 (2008−2010)
GPU code name
Meso Pro DDR3
M96
Market segment
Laptop
Laptop
Release date
June 2015
January 2009
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
-
Boost clock speed
1021 MHz
-
Compute units
6
-
Core clock speed
1021 MHz
550 MHz
Floating-point performance
549.1 gflops
320.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
950 million
514 million
Pipelines / CUDA cores
320
320
Power consumption (TDP)
-
35 Watt
Texture fill rate
17.16
16.00
Memory type
DDR3
GDDR3, DDR2, DDR3
Maximum RAM amount
4 GB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1000 MHz
800 MHz
Memory bandwidth
16 GB/s
19.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
1
-
DirectX
DirectX® 12
10.1 (10_1)
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
3.3
Shader Model
5.1
4.1
Vulkan
+
N/A
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-