GeForce 820M and Radeon RX 6600M - video card comparison
Passmark - benchmark score GeForce 820M vs Radeon RX 6600M
GeForce 820M
511
Radeon RX 6600M
14091
GeForce 820M
Radeon RX 6600M
Architecture
Fermi (2010−2014)
RDNA 2 (2020−2022)
GPU code name
N15V-GM
R21M-E65-70
Market segment
Laptop
Laptop
Release date
January 2014
September 2020
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
2177 MHz
Core clock speed
775 MHz
2068 MHz
Floating-point performance
240.0 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
585 million
11,060 million
Pipelines / CUDA cores
96
1792
Power consumption (TDP)
15 Watt
100 Watt (50 - 100 Watt TGP)
Texture fill rate
10.00
235.8
Memory type
DDR3
GDDR6
Maximum RAM amount
2 GB
8 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1800 MHz
14000 MHz
Memory bandwidth
14.4 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
+
-
OpenCL
1.1
2.1
OpenGL
4.5
4.6
Shader Model
5.1
6.5
Vulkan
N/A
1.2
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-