
GeForce GT 650M SLI and GeForce RTX 3080 - video card comparison
GeForce GT 650M SLI
GeForce RTX 3080
Architecture
Kepler (2012−2018)
Ampere (2020−2022)
GPU code name
N13E-GE
Ampere GA102
Market segment
Laptop
Desktop
Release date
March 2012
September 2020
Interface
-
PCIe 4.0 x16
Supplementary power connectors
-
1x 12-pin
Boost clock speed
835 MHz
1710 MHz
Core clock speed
790 MHz
1450 MHz
Manufacturing process technology
28 nm
8 nm
Number of transistors
-
28,300 million
Pipelines / CUDA cores
768
8704
Power consumption (TDP)
-
320 Watt
Texture fill rate
-
465.1
Memory type
GDDR5
GDDR6X
Maximum RAM amount
2x2 GB
10 GB
Memory bus width
2x 128 Bit
320 Bit
Memory clock speed
4000 MHz
19000 MHz
Memory bandwidth
-
760.3 GB/s
Shared memory
-
-
Display Connectors
-
1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
11
12 Ultimate (12_2)
CUDA
+
8.5
OpenCL
-
2.0
OpenGL
-
4.6
Shader Model
-
6.5
Vulkan
-
1.2
Optimus
+
-