GeForce GT 640 and FirePro V4800 - video card comparison
GeForce GT 640
FirePro V4800
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
GK107
Redwood
Market segment
Desktop
Workstation
Release date
June 2012
April 2010
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
902 MHz
775 MHz
Floating-point performance
692.7 gflops
620.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,270 million
627 million
Pipelines / CUDA cores
384
400
Power consumption (TDP)
65 Watt
69 Watt
Texture fill rate
28.86
15.50
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
3600 MHz
Memory bandwidth
28.51 GB/s
57.6 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 2x DisplayPort
HDMI
+
-
DirectX
12 (11_0)
11.2 (11_0)
CUDA
3.0
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A