GeForce GTX 980 Ti and GeForce RTX 3080 Mobile - video card comparison
GeForce GTX 980 Ti
GeForce RTX 3080 Mobile
Architecture
Maxwell (2014−2018)
Ampere (2020−2022)
GPU code name
GM200
GN20-E7 GA104
Market segment
Desktop
Laptop
Release date
June 2015
January 2021
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
6-pin + 8-pin
-
SLI options
+
-
Boost clock speed
1075 MHz
1245 - 1710 MHz
Core clock speed
1000 MHz
780 - 1100 MHz
CUDA cores
2816
-
Floating-point performance
6,060 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
8,000 million
17,400 million
Pipelines / CUDA cores
2816
6144
Power consumption (TDP)
250 Watt
150 Watt (80 - 150 Watt TGP)
Texture fill rate
176 billion/sec
296.6
Memory type
GDDR5
GDDR6
Maximum RAM amount
6 GB
16 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
7.0 GB/s
14000 MHz
Memory bandwidth
336.5 GB/s
384.0 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
No outputs
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
G-SYNC support
+
-
Audio input for HDMI
Internal
-
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
+
8.6
OpenCL
1.2
2.0
OpenGL
4.5
4.6
Shader Model
6.4
6.5
Vulkan
1.1.126
1.2
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-