HD Graphics 4000 and Radeon HD 6620G + HD 7450M Dual Graphics - video card comparison
HD Graphics 4000
Radeon HD 6620G + HD 7450M Dual Graphics
Architecture
Gen. 7 Ivy Bridge (2011−2012)
Terascale 2 (2009−2015)
GPU code name
Ivy Bridge
-
Market segment
Laptop
Laptop
Release date
March 2011
February 2012
Interface
PCIe 1.0 x16
-
Boost clock speed
1350 MHz
-
Core clock speed
350 MHz
400 / 700 MHz
Floating-point performance
33.6 gflops
-
Manufacturing process technology
22 nm
40 nm
Number of transistors
1,200 million
-
Pipelines / CUDA cores
16
560
Power consumption (TDP)
unknown
-
Texture fill rate
20.80
-
Memory type
System Shared
-
Maximum RAM amount
System Shared
-
Memory bus width
64/128 Bit
-
Memory clock speed
System Shared
1800 MHz
Shared memory
+
+
Display Connectors
No outputs
-
DirectX
11.1 (11_0)
11
OpenCL
1.2
-
OpenGL
4.0
-
Shader Model
5.0
-
Vulkan
1.1.80
-
Quick Sync
+
-