UHD Graphics 620 and Radeon HD 8950M - video card comparison
UHD Graphics 620
Radeon HD 8950M
Architecture
Gen. 9.5 (2017)
GCN 2.0 (2013−2017)
GPU code name
Kaby-Lake-Refresh GT2
Saturn
Market segment
Laptop
Desktop
Release date
September 2017
May 2013
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Boost clock speed
1150 MHz
-
Core clock speed
300 MHz
1075 MHz
Floating-point performance
-
1,651 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
189 million
2,080 million
Pipelines / CUDA cores
24
768
Power consumption (TDP)
15 Watt
100 Watt
Texture fill rate
27.60
51.60
Memory type
LPDDR3/DDR4
GDDR5
Maximum RAM amount
32 GB
2 GB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
5500 MHz
Memory bandwidth
-
88 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 (12_0)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.3
Vulkan
1.1.103
1.2.131
Quick Sync
+
-