GeForce GTX 980 SLI Mobile and Radeon 620 - video card comparison
GeForce GTX 980 SLI Mobile
Radeon 620
Architecture
Maxwell (2014−2018)
GCN 1.0 (2012−2020)
GPU code name
N16E-GXX SLI
Polaris 24
Market segment
Laptop
Laptop
Release date
September 2015
August 2019
Interface
-
PCIe 3.0 x8
Supplementary power connectors
-
None
SLI options
+
-
Boost clock speed
1228 MHz
1024 MHz
Core clock speed
1126 MHz
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
10400 Million
1,550 million
Pipelines / CUDA cores
4096
384
Power consumption (TDP)
330 Watt
50 Watt
Texture fill rate
-
24.58
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
2x 8 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
3500 MHz
2250 MHz
Memory bandwidth
-
14.4 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
G-SYNC support
+
-
DirectX
12_1
12 (12_0)
CUDA
+
-
OpenCL
-
2.0
OpenGL
-
4.6
Shader Model
-
6.3
Vulkan
-
1.2.131