GeForce GT 620M and Radeon RX 6600M - video card comparison
Passmark - benchmark score GeForce GT 620M vs Radeon RX 6600M
GeForce GT 620M
447
Radeon RX 6600M
14091
GeForce GT 620M
Radeon RX 6600M
Architecture
Fermi (2010−2014)
RDNA 2 (2020−2022)
GPU code name
N13P-GLP / N13M-GS
R21M-E65-70
Market segment
Laptop
Laptop
Release date
March 2012
September 2020
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
715 MHz
2177 MHz
Core clock speed
Up to 625 MHz
2068 MHz
CUDA cores
96
-
Floating-point performance
253.4 gflops
-
Manufacturing process technology
40 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
Up to 10.0 billion/sec
235.8
Memory type
DDR3
GDDR6
Maximum RAM amount
1 GB
8 GB
Memory bus width
Up to 128bit
128 Bit
Memory clock speed
1800 MHz
14000 MHz
Memory bandwidth
Up to 28.8 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
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
3D Blu-Ray
+
-
Optimus
+
-