Radeon RX 640 and Arc A750 - video card comparison
Passmark - benchmark score Radeon RX 640 vs Arc A750
Radeon RX 640
2020
Arc A750
12315
Radeon RX 640
Arc A750
Architecture
Polaris (2016−2019)
Generation 12.7 (2022)
GPU code name
Polaris 12
DG2-512
Market segment
Laptop
Desktop
Release date
August 2019
October 2022
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
1x 6-pin + 1x 8-pin
Boost clock speed
1218 MHz
2400 MHz
Core clock speed
1218 MHz
2050 MHz
Manufacturing process technology
14 nm
6 nm
Number of transistors
2,200 million
21,700 million
Pipelines / CUDA cores
640
3584
Power consumption (TDP)
50 Watt
225 Watt
Texture fill rate
38.98
537.6
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
8 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
6000 MHz
16000 MHz
Memory bandwidth
112.0 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x HDMI 2.1, 3x DisplayPort 2.0
HDMI
+
+
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.4
6.6
Vulkan
1.2.131
1.3
FreeSync
+
-