Radeon RX 640 and GeForce RTX 4070 - video card comparison
Passmark - benchmark score Radeon RX 640 vs GeForce RTX 4070
Radeon RX 640
2020
GeForce RTX 4070
27789
Radeon RX 640
GeForce RTX 4070
Architecture
Polaris (2016−2019)
Ada Lovelace
GPU code name
Polaris 12
AD104
Market segment
Laptop
Desktop
Release date
August 2019
April 2023
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
1x 16-pin
Boost clock speed
1218 MHz
2475 MHz
Core clock speed
1218 MHz
1920 MHz
Manufacturing process technology
14 nm
5 nm
Number of transistors
2,200 million
35,800 million
Pipelines / CUDA cores
640
5888
Power consumption (TDP)
50 Watt
200 Watt
Texture fill rate
38.98
455.4
Memory type
GDDR5
GDDR6X
Maximum RAM amount
4 GB
12 GB
Memory bus width
64 Bit
192 Bit
Memory clock speed
6000 MHz
21000 MHz
Memory bandwidth
112.0 GB/s
504.2 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
6.7
Vulkan
1.2.131
1.3
FreeSync
+
-