Radeon R5 M255 and HD Graphics 4400 - video card comparison
Passmark - benchmark score Radeon R5 M255 vs HD Graphics 4400
Radeon R5 M255
550
HD Graphics 4400
538
Radeon R5 M255
HD Graphics 4400
Architecture
GCN (2011−2017)
Gen. 7.5 Haswell (2012−2013)
GPU code name
Topaz Pro / Sun
Haswell GT2
Market segment
Laptop
Laptop
Release date
May 2014
June 2013
Bus support
PCIe 3.0 x8
-
Interface
PCIe 3.0 x8
PCIe 1.0 x16
Boost clock speed
940 MHz
1100 MHz
Compute units
5
-
Core clock speed
940 MHz
200 MHz
Floating-point performance
721.9 gflops
46 gflops
Manufacturing process technology
28 nm
22 nm
Number of transistors
1,550 million
392 million
Pipelines / CUDA cores
320
20
Power consumption (TDP)
-
20 Watt
Texture fill rate
22.56
22.00
Memory type
DDR3
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
64 Bit
64/128 Bit
Memory clock speed
1000 MHz
System Shared
Memory bandwidth
16 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
Eyefinity
+
-
DirectX
DirectX® 11
12 (11_1)
Mantle
+
-
OpenCL
Not Listed
1.2
OpenGL
4.4
4.3
Shader Model
6.3
5.1
Vulkan
-
1.1.80
AppAcceleration
+
-
DualGraphics
1
-
Enduro
-
-
HD3D
+
-
PowerTune
+
-
Quick Sync
-
+
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-