Radeon RX Vega 5 and Radeon R5 M255 - video card comparison
Radeon RX Vega 5
Radeon R5 M255
Architecture
Vega (2017−2021)
GCN (2011−2017)
GPU code name
Vega
Topaz Pro / Sun
Market segment
Laptop
Laptop
Release date
January 2020
May 2014
Bus support
-
PCIe 3.0 x8
Interface
-
PCIe 3.0 x8
Boost clock speed
1400 MHz
940 MHz
Compute units
-
5
Core clock speed
-
940 MHz
Floating-point performance
-
721.9 gflops
Manufacturing process technology
7 nm
28 nm
Number of transistors
-
1,550 million
Pipelines / CUDA cores
320
320
Power consumption (TDP)
15 Watt
-
Texture fill rate
-
22.56
Memory type
-
DDR3
Maximum RAM amount
-
4 GB
Memory bus width
-
64 Bit
Memory clock speed
-
1000 MHz
Memory bandwidth
-
16 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
Eyefinity
-
+
DirectX
12_1
DirectX® 11
Mantle
-
+
OpenCL
-
Not Listed
OpenGL
-
4.4
Shader Model
-
6.3
AppAcceleration
-
+
DualGraphics
-
1
Enduro
-
-
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+