HD Graphics 4000 and GeForce 620M - video card comparison
HD Graphics 4000
GeForce 620M
Architecture
Gen. 7 Ivy Bridge (2011−2012)
Fermi 2.0 (2010−2014)
GPU code name
Ivy Bridge
GF117
Market segment
Laptop
Desktop
Release date
March 2011
March 2012
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Boost clock speed
1350 MHz
-
Core clock speed
350 MHz
625 MHz
Floating-point performance
33.6 gflops
240.0 gflops
Manufacturing process technology
22 nm
28 nm
Number of transistors
1,200 million
585 million
Pipelines / CUDA cores
16
96
Power consumption (TDP)
unknown
15 Watt
Texture fill rate
20.80
10.00
Memory type
System Shared
DDR3
Maximum RAM amount
System Shared
1 GB
Memory bus width
64/128 Bit
64 Bit
Memory clock speed
System Shared
1800 MHz
Memory bandwidth
-
14.4 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
11.1 (11_0)
12 (11_0)
CUDA
-
2.1
OpenCL
1.2
1.1
OpenGL
4.0
4.6
Shader Model
5.0
5.1
Vulkan
1.1.80
N/A
Quick Sync
+
-