
GeForce GT 640 and Xbox One X GPU - video card comparison
GeForce GT 640
Xbox One X GPU
Architecture
Kepler (2012−2018)
GCN 2.0 (2013−2017)
GPU code name
GK107
Scorpio
Market segment
Desktop
Desktop
Release date
June 2012
November 2017
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
None
-
Core clock speed
902 MHz
1172 MHz
Floating-point performance
692.7 gflops
6,001 gflops
Manufacturing process technology
28 nm
16 nm
Number of transistors
1,270 million
7,000 million
Pipelines / CUDA cores
384
2560
Power consumption (TDP)
65 Watt
150 Watt
Texture fill rate
28.86
187.5
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
12 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
1782 MHz
6800 MHz
Memory bandwidth
28.51 GB/s
326.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (12_0)
CUDA
3.0
-
OpenCL
1.2
1.2
OpenGL
4.6
N/A
Shader Model
5.1
6.0
Vulkan
1.1.126
1.1