GeForce 820M and GeForce RTX 3070 Ti GA102 - video card comparison
GeForce 820M
GeForce RTX 3070 Ti GA102
Architecture
Fermi (2010−2014)
Ampere (2020−2022)
GPU code name
N15V-GM
GA102
Market segment
Laptop
Desktop
Release date
January 2014
October 2022
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
1x 12-pin
Boost clock speed
-
1770 MHz
Core clock speed
775 MHz
-
Floating-point performance
240.0 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
585 million
28,300 million
Pipelines / CUDA cores
96
6144
Power consumption (TDP)
15 Watt
290 Watt
Texture fill rate
10.00
339.8
Memory type
DDR3
GDDR6X
Maximum RAM amount
2 GB
8 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
1800 MHz
19 GB/s
Memory bandwidth
14.4 GB/s
608.3 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
+
8.6
OpenCL
1.1
3.0
OpenGL
4.5
4.6
Shader Model
5.1
6.6
Vulkan
N/A
1.3
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-