HD Graphics and Radeon R9 255 OEM - video card comparison
HD Graphics
Radeon R9 255 OEM
Architecture
Generation 7.0 (2012)
GCN 1.0 (2012−2020)
GPU code name
Ivy Bridge GT1
Cape Verde
Market segment
Desktop
Desktop
Release date
April 2012
December 2013
Interface
PCIe 1.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
1050 MHz
930 MHz
Core clock speed
166 MHz
900 MHz
Floating-point performance
15.6 gflops
952.3 gflops
Manufacturing process technology
22 nm
28 nm
Number of transistors
392 million
1,500 million
Pipelines / CUDA cores
48
512
Power consumption (TDP)
35 Watt
65 Watt
Texture fill rate
6.300
29.76
Memory type
System Shared
GDDR5
Maximum RAM amount
System Shared
2 GB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
4600 MHz
Memory bandwidth
-
73.6 GB/s
Display Connectors
No outputs
No outputs
DirectX
11.1 (11_0)
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.0
4.6
Shader Model
5.0
5.1
Vulkan
1.1.80
1.2.131