Radeon R5 M255 and Radeon R6 M255DX - video card comparison
Passmark - benchmark score Radeon R5 M255 vs Radeon R6 M255DX
Radeon R5 M255
550
Radeon R6 M255DX
623
Radeon R5 M255
Radeon R6 M255DX
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Topaz Pro / Sun
Jet UL(T) DDR3
Market segment
Laptop
Laptop
Release date
May 2014
June 2014
Bus support
PCIe 3.0 x8
-
Interface
PCIe 3.0 x8
IGP
Boost clock speed
940 MHz
940 MHz
Compute units
5
-
Core clock speed
940 MHz
855 / 514 MHz
Floating-point performance
721.9 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,550 million
690 million
Pipelines / CUDA cores
320
576
Texture fill rate
22.56
17.10
Memory type
DDR3
DDR3
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
12 (11_1)
Mantle
+
-
OpenCL
Not Listed
1.2
OpenGL
4.4
4.6
Shader Model
6.3
5.1
Vulkan
-
1.2.131
AppAcceleration
+
+
DualGraphics
1
-
Enduro
-
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-