
GeForce 820M and Radeon RX 6600 - video card comparison
Passmark - benchmark score GeForce 820M vs Radeon RX 6600
GeForce 820M
511
Radeon RX 6600
15586
GeForce 820M
Radeon RX 6600
Architecture
Fermi (2010−2014)
Navi / RDNA2 (2020−2022)
GPU code name
N15V-GM
Navi 23
Market segment
Laptop
Desktop
Release date
January 2014
October 2021
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
-
1x 8-pin
Boost clock speed
-
2491 MHz
Core clock speed
775 MHz
2044 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
132 Watt
Texture fill rate
10.00
279.0
Memory type
DDR3
GDDR6
Maximum RAM amount
2 GB
8 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1800 MHz
14500 MHz
Memory bandwidth
14.4 GB/s
224.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
12 (11_0)
12.0 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
+
-