UHD Graphics 620 and Radeon R5 M255 - video card comparison
Passmark - benchmark score UHD Graphics 620 vs Radeon R5 M255
UHD Graphics 620
1061
Radeon R5 M255
550
UHD Graphics 620
Radeon R5 M255
Architecture
Gen. 9.5 (2017)
GCN (2011−2017)
GPU code name
Kaby-Lake-Refresh GT2
Topaz Pro / Sun
Market segment
Laptop
Laptop
Release date
September 2017
May 2014
Bus support
-
PCIe 3.0 x8
Interface
PCIe 3.0 x1
PCIe 3.0 x8
Boost clock speed
1150 MHz
940 MHz
Compute units
-
5
Core clock speed
300 MHz
940 MHz
Floating-point performance
-
721.9 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
189 million
1,550 million
Pipelines / CUDA cores
24
320
Power consumption (TDP)
15 Watt
-
Texture fill rate
27.60
22.56
Memory type
LPDDR3/DDR4
DDR3
Maximum RAM amount
32 GB
4 GB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
1000 MHz
Memory bandwidth
-
16 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
Eyefinity
-
+
DirectX
12 (12_1)
DirectX® 11
Mantle
-
+
OpenCL
2.1
Not Listed
OpenGL
4.6
4.4
Shader Model
6.4
6.3
Vulkan
1.1.103
-
AppAcceleration
-
+
DualGraphics
-
1
Enduro
-
-
HD3D
-
+
PowerTune
-
+
Quick Sync
+
-
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+