Radeon R5 M255 and GMA X4500M - video card comparison
Radeon R5 M255
GMA X4500M
Architecture
GCN (2011−2017)
Generation 5.0 (2008)
GPU code name
Topaz Pro / Sun
Eaglelake
Market segment
Laptop
Desktop
Release date
May 2014
October 2008
Bus support
PCIe 3.0 x8
-
Interface
PCIe 3.0 x8
PCIe 1.0 x16
Boost clock speed
940 MHz
-
Compute units
5
-
Core clock speed
940 MHz
400 MHz
Floating-point performance
721.9 gflops
-
Manufacturing process technology
28 nm
65 nm
Number of transistors
1,550 million
-
Pipelines / CUDA cores
320
80
Power consumption (TDP)
-
13 Watt
Texture fill rate
22.56
4.000
Memory type
DDR3
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
1000 MHz
System Shared
Memory bandwidth
16 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
+
-
DirectX
DirectX® 11
10.0
Mantle
+
-
OpenCL
Not Listed
N/A
OpenGL
4.4
2.0
Shader Model
6.3
4.0
Vulkan
-
N/A
AppAcceleration
+
-
DualGraphics
1
-
Enduro
-
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-