GeForce GT 640 and Radeon RX 6800M - video card comparison
Passmark - benchmark score GeForce GT 640 vs Radeon RX 6800M
GeForce GT 640
1209
Radeon RX 6800M
13686
GeForce GT 640
Radeon RX 6800M
Architecture
Kepler (2012−2018)
RDNA 2 (2020−2022)
GPU code name
GK107
Navi 22
Market segment
Desktop
Laptop
Release date
June 2012
June 2021
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
None
Boost clock speed
-
2300 MHz
Core clock speed
902 MHz
2116 MHz
Floating-point performance
692.7 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
1,270 million
17,200 million
Pipelines / CUDA cores
384
2560
Power consumption (TDP)
65 Watt
145 Watt
Texture fill rate
28.86
413.0
Memory type
DDR3
GDDR6
Maximum RAM amount
2 GB
12 GB
Memory bus width
128 Bit
192 Bit
Memory clock speed
1782 MHz
16000 MHz
Memory bandwidth
28.51 GB/s
384.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
3.0
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.1.126
1.2