GeForce 940M and Radeon HD 6550M - video card comparison
GeForce 940M
Radeon HD 6550M
Architecture
Maxwell (2014−2018)
Terascale 2 (2009−2015)
GPU code name
N16S-GT-S/B
Capilano-PRO
Market segment
Laptop
Laptop
Release date
March 2015
November 2010
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
MXM-II
Boost clock speed
1176 MHz
-
Core clock speed
1072 MHz
600 MHz
Floating-point performance
903.2 gflops
480.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
2,154 million
Pipelines / CUDA cores
384
400
Power consumption (TDP)
75 Watt
26 Watt
Texture fill rate
28.22
12.00
Memory type
DDR3
DDR3
Maximum RAM amount
4 GB
1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2000 MHz
800 MHz
Memory bandwidth
14.4 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
11.2 (11_0)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-