
GeForce 845M and Radeon R6 M340DX - video card comparison
GeForce 845M
Radeon R6 M340DX
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
GM108
Jet
Market segment
Laptop
Laptop
Release date
March 2014
June 2015
Interface
PCIe 3.0 x8
IGP
Boost clock speed
1150 MHz
1030 MHz
Core clock speed
1071 MHz
-
Floating-point performance
883.7 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
690 million
Pipelines / CUDA cores
384
704
Power consumption (TDP)
45 Watt
-
Texture fill rate
37.63
24.72
Memory type
DDR3, GDDR5
DDR3
Maximum RAM amount
2 GB
System Shared
Memory bus width
64/128 Bit
System Shared
Memory clock speed
2000 - 5000 MHz
System Shared
Memory bandwidth
40.1 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (11_1)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2.131
Optimus
+
-