Radeon RX 640 and GeForce RTX 4090 - video card comparison
Passmark - benchmark score Radeon RX 640 vs GeForce RTX 4090
Radeon RX 640
2020
GeForce RTX 4090
39777
Radeon RX 640
GeForce RTX 4090
Architecture
Polaris (2016−2019)
Ada Lovelace
GPU code name
Polaris 12
AD102-300-A1
Market segment
Laptop
Desktop
Release date
August 2019
September 2022
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
1x 16-pin
Boost clock speed
1218 MHz
2520 MHz
Core clock speed
1218 MHz
2235 MHz
Manufacturing process technology
14 nm
5 nm
Number of transistors
2,200 million
76,300 million
Pipelines / CUDA cores
640
16384
Power consumption (TDP)
50 Watt
450 Watt
Texture fill rate
38.98
1,290
Memory type
GDDR5
GDDR6X
Maximum RAM amount
4 GB
24 GB
Memory bus width
64 Bit
384 Bit
Memory clock speed
6000 MHz
21000 MHz
Memory bandwidth
112.0 GB/s
1,008 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
+
+
DirectX
12 (12_0)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.4
6.6
Vulkan
1.2.131
1.3
FreeSync
+
-