GeForce GTX 980 SLI Mobile and Quadro K420 - video card comparison
GeForce GTX 980 SLI Mobile
Quadro K420
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
N16E-GXX SLI
GK107
Market segment
Laptop
Workstation
Release date
September 2015
July 2014
Interface
-
PCIe 2.0 x16
Supplementary power connectors
-
None
SLI options
+
-
Boost clock speed
1228 MHz
-
Core clock speed
1126 MHz
876 MHz
Floating-point performance
-
336.4 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
10400 Million
1,270 million
Pipelines / CUDA cores
4096
192
Power consumption (TDP)
330 Watt
41 Watt
Texture fill rate
-
14.02
Memory type
GDDR5
128 Bit
Maximum RAM amount
2x 8 GB
1 GB/2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
3500 MHz
1782 MHz
Memory bandwidth
-
Up to 29 GB/s
Shared memory
-
-
Display Connectors
-
DVI-I DP
Number of simultaneous displays
-
4
G-SYNC support
+
-
DirectX
12_1
12
CUDA
+
3.0
OpenCL
-
1.2
OpenGL
-
4.5
Shader Model
-
5
Vulkan
-
+
3D Vision Pro
-
+
Mosaic
-
+
nView Desktop Management
-
+