
GeForce 820M and Radeon RX 5770 - video card comparison
GeForce 820M
Radeon RX 5770
Architecture
Fermi (2010−2014)
RDNA 1.0 (2019−2020)
GPU code name
N15V-GM
Navi 10
Market segment
Laptop
Desktop
Release date
January 2014
-
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Boost clock speed
-
1000 MHz
Core clock speed
775 MHz
1000 MHz
Floating-point performance
240.0 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
585 million
-
Pipelines / CUDA cores
96
-
Power consumption (TDP)
15 Watt
225 Watt
Texture fill rate
10.00
-
Memory type
DDR3
-
Maximum RAM amount
2 GB
-
Memory bus width
64 Bit
-
Memory clock speed
1800 MHz
14000 MHz
Memory bandwidth
14.4 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12.0 (12_1)
CUDA
+
-
OpenCL
1.1
-
OpenGL
4.5
4.6
Shader Model
5.1
-
Vulkan
N/A
-
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-