Radeon R5 M255 and Radeon R5 M330 - video card comparison
Passmark - benchmark score Radeon R5 M255 vs Radeon R5 M330
Radeon R5 M255
550
Radeon R5 M330
613
Radeon R5 M255
Radeon R5 M330
Architecture
GCN (2011−2017)
GCN 1.0 (2012−2020)
GPU code name
Topaz Pro / Sun
Exo Pro DDR3
Market segment
Laptop
Laptop
Release date
May 2014
May 2015
Bus support
PCIe 3.0 x8
PCIe 3.0
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
940 MHz
1030 MHz
Compute units
5
5
Core clock speed
940 MHz
1030 MHz
Floating-point performance
721.9 gflops
659.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,550 million
690 million
Pipelines / CUDA cores
320
320
Power consumption (TDP)
-
18 Watt
Texture fill rate
22.56
20.60
Memory type
DDR3
DDR3
Maximum RAM amount
4 GB
4 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
1000 MHz
1000 MHz
Memory bandwidth
16 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
+
-
DirectX
DirectX® 11
DirectX® 12
Mantle
+
+
OpenCL
Not Listed
Not Listed
OpenGL
4.4
4.4
Shader Model
6.3
5.0
Vulkan
-
+
AppAcceleration
+
-
DualGraphics
1
1
Enduro
-
-
HD3D
+
+
PowerTune
+
+
Switchable graphics
1
1
TrueAudio
-
-
ZeroCore
+
+