Radeon R9 M275 and HD Graphics 620 - video card comparison
Passmark - benchmark score Radeon R9 M275 vs HD Graphics 620
Radeon R9 M275
1147
HD Graphics 620
963
Radeon R9 M275
HD Graphics 620
Architecture
GCN (2011−2017)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
Venus
Kaby-Lake GT2
Market segment
Laptop
Laptop
Release date
August 2014
August 2016
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Boost clock speed
925 MHz
1050 MHz
Core clock speed
925 MHz
300 MHz
Floating-point performance
1,184 gflops
403.2 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,500 million
189 million
Pipelines / CUDA cores
640
24
Power consumption (TDP)
-
15 Watt
Texture fill rate
37.00
25.20
Memory type
GDDR5
DDR3L/LPDDR3/LPDDR4
Maximum RAM amount
4 GB
32 GB
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
4500 MHz
System Shared
Memory bandwidth
64 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (12_1)
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.2.131
+
Quick Sync
-
+