Radeon RX 640 and Radeon RX 6700M - video card comparison
Passmark - benchmark score Radeon RX 640 vs Radeon RX 6700M
Radeon RX 640
2020
Radeon RX 6700M
13868
Radeon RX 640
Radeon RX 6700M
Architecture
Polaris (2016−2019)
RDNA 2 (2020−2022)
GPU code name
Polaris 12
R21M-E110-70
Market segment
Laptop
Laptop
Release date
August 2019
September 2020
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
None
Boost clock speed
1218 MHz
2300 MHz
Core clock speed
1218 MHz
-
Manufacturing process technology
14 nm
7 nm
Number of transistors
2,200 million
17,200 million
Pipelines / CUDA cores
640
2304
Power consumption (TDP)
50 Watt
135 Watt
Texture fill rate
38.98
324.0
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
10 GB
Memory bus width
64 Bit
160 Bit
Memory clock speed
6000 MHz
16000 MHz
Memory bandwidth
112.0 GB/s
384.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2
FreeSync
+
-