UHD Graphics 620 and Radeon HD 8970 OEM - video card comparison
UHD Graphics 620
Radeon HD 8970 OEM
Architecture
Gen. 9.5 (2017)
GCN 1.0 (2012−2020)
GPU code name
Kaby-Lake-Refresh GT2
Tahiti
Market segment
Laptop
Desktop
Release date
September 2017
January 2013
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin + 1x 8-pin
Boost clock speed
1150 MHz
-
Core clock speed
300 MHz
925 MHz
Floating-point performance
-
3,789 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
189 million
4,313 million
Pipelines / CUDA cores
24
2048
Power consumption (TDP)
15 Watt
250 Watt
Texture fill rate
27.60
118.4
Memory type
LPDDR3/DDR4
GDDR5
Maximum RAM amount
32 GB
3 GB
Memory bus width
System Shared
384 Bit
Memory clock speed
System Shared
5500 MHz
Memory bandwidth
-
264.0 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 2x mini-DisplayPort
HDMI
-
+
DirectX
12 (12_1)
12 (11_1)
OpenCL
2.1
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.1.103
1.2.131
Quick Sync
+
-