UHD Graphics 630 and Radeon RX 640 OEM - video card comparison
UHD Graphics 630
Radeon RX 640 OEM
Architecture
Gen. 9.5 (2017)
GCN 4.0 (2016−2020)
GPU code name
Kaby-Lake-H-GT2
Polaris 23
Market segment
Desktop
Desktop
Release date
October 2017
April 2020
Interface
PCIe 3.0 x1
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
1150 MHz
-
Core clock speed
300 MHz
1295 MHz
Floating-point performance
460.8 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
189 million
2,200 million
Pipelines / CUDA cores
24
640
Power consumption (TDP)
15 Watt
50 Watt
Texture fill rate
26.45
51.80
Memory type
System Shared
GDDR5
Maximum RAM amount
System Shared
4 GB
Memory bus width
64/128 Bit
128 Bit
Memory clock speed
System Shared
6 GB/s
Memory bandwidth
-
96 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x DisplayPort 1.4a, 2x mini-DisplayPort 1.4a
DirectX
12 (12_1)
12 (12_0)
OpenCL
2.1
2.1
OpenGL
4.6
4.6
Shader Model
6.5
6.7 (6.4)
Vulkan
1.1.103
1.3
Quick Sync
+
-