GeForce GTX 980 SLI Mobile and GeForce GTX 680 - video card comparison
GeForce GTX 980 SLI Mobile
GeForce GTX 680
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
N16E-GXX SLI
GK104
Market segment
Laptop
Desktop
Release date
September 2015
March 2012
Bus support
-
PCI Express 3.0
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
Two 6-pin
SLI options
+
+
Boost clock speed
1228 MHz
1058 MHz
Core clock speed
1126 MHz
1006 MHz
CUDA cores
-
1536
Floating-point performance
-
3,090.4 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
10400 Million
3,540 million
Pipelines / CUDA cores
4096
1536
Power consumption (TDP)
330 Watt
195 Watt
Texture fill rate
-
128.8 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 8 GB
2048 MB
Memory bus width
256 Bit
256-bit GDDR5
Memory clock speed
3500 MHz
6000 MHz
Memory bandwidth
-
192.2 GB/s
Shared memory
-
-
Display Connectors
-
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Multi monitor support
-
4 displays
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
G-SYNC support
+
-
Audio input for HDMI
-
Internal
DirectX
12_1
12 (11_0)
CUDA
+
+
OpenCL
-
1.2
OpenGL
-
4.2
Shader Model
-
5.1
Vulkan
-
1.1.126