GeForce GT 340 OEM and GeForce RTX 3080 Mobile - video card comparison
GeForce GT 340 OEM
GeForce RTX 3080 Mobile
Architecture
Tesla 2.0 (2007−2013)
Ampere (2020−2022)
GPU code name
GT215
GN20-E7 GA104
Market segment
Desktop
Laptop
Release date
February 2010
January 2021
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
-
Boost clock speed
-
1245 - 1710 MHz
Core clock speed
550 MHz
780 - 1100 MHz
Floating-point performance
257.28 gflops
-
Manufacturing process technology
40 nm
8 nm
Number of transistors
727 million
17,400 million
Pipelines / CUDA cores
96
6144
Power consumption (TDP)
69 Watt
150 Watt (80 - 150 Watt TGP)
Texture fill rate
17.60
296.6
Memory type
GDDR3
GDDR6
Maximum RAM amount
1 GB
16 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1700 MHz
14000 MHz
Memory bandwidth
27.2 GB/s
384.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
HDMI
+
-
DirectX
11.1 (10_1)
12 Ultimate (12_2)
CUDA
1.2
8.6
OpenCL
1.1
2.0
OpenGL
3.3
4.6
Shader Model
4.1
6.5
Vulkan
N/A
1.2