
GeForce GTX 980 SLI Mobile and GeForce GTX 675M SLI - video card comparison
GeForce GTX 980 SLI Mobile
GeForce GTX 675M SLI
Architecture
Maxwell (2014−2018)
Fermi (2010−2014)
GPU code name
N16E-GXX SLI
N12E-GTX2
Market segment
Laptop
Laptop
Release date
September 2015
January 2011
SLI options
+
+
Boost clock speed
1228 MHz
-
Core clock speed
1126 MHz
620 MHz
Manufacturing process technology
28 nm
40 nm
Number of transistors
10400 Million
-
Pipelines / CUDA cores
4096
768
Power consumption (TDP)
330 Watt
2x 100 Watt
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 8 GB
-
Memory bus width
256 Bit
256 Bit
Memory clock speed
3500 MHz
3000 MHz
Shared memory
-
-
G-SYNC support
+
-
DirectX
12_1
11
CUDA
+
+
Optimus
-
+