GeForce 845M and Radeon R7 M340 - video card comparison
Passmark - benchmark score GeForce 845M vs Radeon R7 M340
GeForce 845M
1570
Radeon R7 M340
679
GeForce 845M
Radeon R7 M340
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
GM108
Meso Pro DDR3
Market segment
Laptop
Laptop
Release date
March 2014
June 2015
Bus support
-
PCIe 3.0
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
1150 MHz
1021 MHz
Compute units
-
6
Core clock speed
1071 MHz
1021 MHz
Floating-point performance
883.7 gflops
549.1 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
950 million
Pipelines / CUDA cores
384
320
Power consumption (TDP)
45 Watt
-
Texture fill rate
37.63
17.16
Memory type
DDR3, GDDR5
DDR3
Maximum RAM amount
2 GB
4 GB
Memory bus width
64/128 Bit
128 Bit
Memory clock speed
2000 - 5000 MHz
1000 MHz
Memory bandwidth
40.1 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
-
1
DirectX
12 (11_0)
DirectX® 12
CUDA
+
-
Mantle
-
+
OpenCL
1.2
Not Listed
OpenGL
4.6
4.4
Shader Model
5.1
5.1
Vulkan
1.1.126
+
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
+
Optimus
+
-
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+