
Mobility Radeon HD 4650 and GeForce 620M - video card comparison
Mobility Radeon HD 4650
GeForce 620M
Architecture
Terascale 1 (2008−2010)
Fermi 2.0 (2010−2014)
GPU code name
M96
GF117
Market segment
Laptop
Desktop
Release date
January 2009
March 2012
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Core clock speed
550 MHz
625 MHz
Floating-point performance
320.0 gflops
240.0 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
514 million
585 million
Pipelines / CUDA cores
320
96
Power consumption (TDP)
35 Watt
15 Watt
Texture fill rate
16.00
10.00
Memory type
GDDR3, DDR2, DDR3
DDR3
Maximum RAM amount
512 MB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
800 MHz
1800 MHz
Memory bandwidth
19.2 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
2.1
OpenCL
1.1
1.1
OpenGL
3.3
4.6
Shader Model
4.1
5.1
Vulkan
N/A
N/A