GeForce 820M and UHD Graphics 64EU - video card comparison
GeForce 820M
UHD Graphics 64EU
Architecture
Fermi (2010−2014)
Generation 12.2 (2021−2022)
GPU code name
N15V-GM
Alder Lake GT1
Market segment
Laptop
Desktop
Release date
January 2014
January 2022
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
Ring Bus
Boost clock speed
-
1400 MHz
Core clock speed
775 MHz
-
Floating-point performance
240.0 gflops
-
Manufacturing process technology
28 nm
10 nm
Number of transistors
585 million
-
Pipelines / CUDA cores
96
512
Power consumption (TDP)
15 Watt
45 Watt
Texture fill rate
10.00
44.80
Memory type
DDR3
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
1800 MHz
System Shared
Memory bandwidth
14.4 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (12_1)
CUDA
+
-
OpenCL
1.1
3.0
OpenGL
4.5
4.6
Shader Model
5.1
6.4
Vulkan
N/A
1.3
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-