Radeon HD 3100 and GeForce 620M - video card comparison
Radeon HD 3100
GeForce 620M
Architecture
RV6xx (2007−2010)
Fermi 2.0 (2010−2014)
GPU code name
RS780MC
GF117
Market segment
Laptop
Desktop
Release date
August 2008
March 2012
Interface
-
PCIe 2.0 x16
Core clock speed
350 MHz
625 MHz
Floating-point performance
-
240.0 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
-
585 million
Pipelines / CUDA cores
40
96
Power consumption (TDP)
-
15 Watt
Texture fill rate
-
10.00
Memory type
-
DDR3
Maximum RAM amount
512 MB
1 GB
Memory bus width
-
64 Bit
Memory clock speed
-
1800 MHz
Memory bandwidth
-
14.4 GB/s
Shared memory
+
-
Display Connectors
-
No outputs
DirectX
10
12 (11_0)
CUDA
-
2.1
OpenCL
-
1.1
OpenGL
-
4.6
Shader Model
-
5.1
Vulkan
-
N/A