GeForce GT 640 and GeForce GT 220 - video card comparison
Passmark - benchmark score GeForce GT 640 vs GeForce GT 220
GeForce GT 640
1209
GeForce GT 220
224
GeForce GT 640
GeForce GT 220
Architecture
Kepler (2012−2018)
GT2xx (2009−2012)
GPU code name
GK107
GT216
Market segment
Desktop
Desktop
Release date
June 2012
October 2009
Bus support
-
PCI-E 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Core clock speed
902 MHz
625 MHz
CUDA cores
-
48
Floating-point performance
692.7 gflops
144 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,270 million
486 million
Pipelines / CUDA cores
384
48
Power consumption (TDP)
65 Watt
58 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
28.86
9.840
Memory type
DDR3
GDDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
790 MHz
Memory bandwidth
28.51 GB/s
25.3 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
VGADVIHDMI
Multi monitor support
-
+
HDMI
+
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
S/PDIF + HDA
DirectX
12 (11_0)
11.1 (10_1)
CUDA
3.0
+
OpenCL
1.2
1.1
OpenGL
4.6
3.1
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A