Radeon RX 640 and GeForce RTX 3070 - video card comparison
Passmark - benchmark score Radeon RX 640 vs GeForce RTX 3070
Radeon RX 640
2020
GeForce RTX 3070
23060
Radeon RX 640
GeForce RTX 3070
Architecture
Polaris (2016−2019)
Ampere (2020−2022)
GPU code name
Polaris 12
Ampere GA104
Market segment
Laptop
Desktop
Release date
August 2019
September 2020
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
1x 12-pin
Boost clock speed
1218 MHz
1725 MHz
Core clock speed
1218 MHz
1500 MHz
Manufacturing process technology
14 nm
8 nm
Number of transistors
2,200 million
17,400 million
Pipelines / CUDA cores
640
5888
Power consumption (TDP)
50 Watt
220 Watt
Texture fill rate
38.98
317.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
8 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
6000 MHz
14000 MHz
Memory bandwidth
112.0 GB/s
448.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x HDMI, 3x DisplayPort
HDMI
+
+
DirectX
12 (12_0)
12 Ultimate (12_2)
CUDA
-
8.5
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2
FreeSync
+
-