GeForce GTX 980 SLI Mobile and Radeon HD 6550A - video card comparison
GeForce GTX 980 SLI Mobile
Radeon HD 6550A
Architecture
Maxwell (2014−2018)
TeraScale 2 (2009−2015)
GPU code name
N16E-GXX SLI
Pinewood
Market segment
Laptop
Desktop
Release date
September 2015
February 2011
Interface
-
MXM-A (3.0)
SLI options
+
-
Boost clock speed
1228 MHz
-
Core clock speed
1126 MHz
550 MHz
Floating-point performance
-
624.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
10400 Million
627 million
Pipelines / CUDA cores
4096
480
Power consumption (TDP)
330 Watt
35 Watt
Texture fill rate
-
13.20
Memory type
GDDR5
GDDR3
Maximum RAM amount
2x 8 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
3500 MHz
1600 MHz
Memory bandwidth
-
25.6 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
G-SYNC support
+
-
DirectX
12_1
11.2 (11_0)
CUDA
+
-
OpenCL
-
1.2
OpenGL
-
4.4
Shader Model
-
5.0
Vulkan
-
N/A