Radeon RX 640 and UHD Graphics 770 - video card comparison
Passmark - benchmark score Radeon RX 640 vs UHD Graphics 770
Radeon RX 640
2020
UHD Graphics 770
2844
Radeon RX 640
UHD Graphics 770
Architecture
Polaris (2016−2019)
Alder Lake
GPU code name
Polaris 12
Alder Lake xG
Market segment
Laptop
Desktop
Release date
August 2019
January 2022
Interface
PCIe 3.0 x8
Ring Bus
Supplementary power connectors
None
-
Boost clock speed
1218 MHz
300 MHz
Core clock speed
1218 MHz
-
Manufacturing process technology
14 nm
10 nm
Number of transistors
2,200 million
-
Pipelines / CUDA cores
640
32
Power consumption (TDP)
50 Watt
15 Watt
Texture fill rate
38.98
26.40
Memory type
GDDR5
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
6000 MHz
1550 MHz
Memory bandwidth
112.0 GB/s
-
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (12_1)
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.4
6.4
Vulkan
1.2.131
1.3
FreeSync
+
-