GeForce GT 640 and Radeon RX 6700S - video card comparison
Passmark - benchmark score GeForce GT 640 vs Radeon RX 6700S
GeForce GT 640
1209
Radeon RX 6700S
15370
GeForce GT 640
Radeon RX 6700S
Architecture
Kepler (2012−2018)
RDNA 2 (2020−2022)
GPU code name
GK107
Navi 23
Market segment
Desktop
Laptop
Release date
June 2012
January 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
1890 MHz
Core clock speed
902 MHz
1700 MHz
Floating-point performance
692.7 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
1,270 million
11,060 million
Pipelines / CUDA cores
384
1792
Power consumption (TDP)
65 Watt
80 Watt
Texture fill rate
28.86
224.0
Memory type
DDR3
GDDR6
Maximum RAM amount
2 GB
10 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
14000 MHz
Memory bandwidth
28.51 GB/s
224.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
12.0 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