
GeForce GT 640 OEM Rebrand and Radeon 610M - video card comparison
GeForce GT 640 OEM Rebrand
Radeon 610M
Architecture
Fermi 2.0 (2010−2014)
RDNA 2 (2020−2022)
GPU code name
GF116
RDNA 2
Market segment
Desktop
Laptop
Release date
April 2012
September 2022
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
2200 MHz
Core clock speed
720 MHz
400 MHz
Floating-point performance
414.7 gflops
-
Manufacturing process technology
40 nm
6 nm
Number of transistors
1,170 million
-
Pipelines / CUDA cores
144
128
Power consumption (TDP)
75 Watt
15 Watt
Texture fill rate
17.28
15.20
Memory type
DDR3
System Shared
Maximum RAM amount
1536 MB
System Shared
Memory bus width
192 Bit
System Shared
Memory clock speed
1600 MHz
System Shared
Memory bandwidth
38.4 GB/s
-
Shared memory
-
-
Display Connectors
2x DVI, 1x mini-HDMI
Portable Device Dependent
HDMI
+
-
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
2.1
-
OpenCL
1.1
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
N/A
1.3