Radeon HD 3690 and GeForce RTX 3080 Mobile - video card comparison
Radeon HD 3690
GeForce RTX 3080 Mobile
Architecture
TeraScale (2005−2013)
Ampere (2020−2022)
GPU code name
RV670
GN20-E7 GA104
Market segment
Desktop
Laptop
Release date
March 2008
January 2021
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin
-
Boost clock speed
-
1245 - 1710 MHz
Core clock speed
670 MHz
780 - 1100 MHz
Floating-point performance
428.8 gflops
-
Manufacturing process technology
55 nm
8 nm
Number of transistors
666 million
17,400 million
Pipelines / CUDA cores
320
6144
Power consumption (TDP)
75 Watt
150 Watt (80 - 150 Watt TGP)
Texture fill rate
10.72
296.6
Memory type
GDDR3
GDDR6
Maximum RAM amount
256 MB
16 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1660 MHz
14000 MHz
Memory bandwidth
26.56 GB/s
384.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
N/A
2.0
OpenGL
3.3
4.6
Shader Model
4.1
6.5
Vulkan
N/A
1.2