GeForce GTX 980 SLI Mobile and GeForce GTX 675MX - video card comparison
GeForce GTX 980 SLI Mobile
GeForce GTX 675MX
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
N16E-GXX SLI
N13E-GSR
Market segment
Laptop
Laptop
Release date
September 2015
October 2012
Bus support
-
PCI Express 2.0
Interface
-
MXM-B (3.0)
Supplementary power connectors
-
None
SLI options
+
+
Boost clock speed
1228 MHz
-
Core clock speed
1126 MHz
600 MHz
CUDA cores
-
960
Floating-point performance
-
1,256 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
10400 Million
3,540 million
Pipelines / CUDA cores
4096
960
Power consumption (TDP)
330 Watt
100 Watt
Texture fill rate
-
48.0 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 8 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
3500 MHz
1800 MHz
Memory bandwidth
-
115.2 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
G-SYNC support
+
-
DirectX
12_1
12 API
CUDA
+
+
OpenCL
-
1.1
OpenGL
-
4.5
Shader Model
-
5.1
Vulkan
-
1.1.126
Optimus
-
+