GeForce GT 640 OEM and H100 PCIe - video card comparison
GeForce GT 640 OEM
H100 PCIe
Architecture
Kepler (2012−2018)
Hopper (2022)
GPU code name
GK107
GH100
Market segment
Desktop
Desktop
Release date
April 2012
March 2022
Interface
PCIe 3.0 x16
PCIe 5.0 x16
Supplementary power connectors
None
8-pin EPS
Boost clock speed
-
1650 MHz
Core clock speed
797 MHz
-
Floating-point performance
612.1 gflops
-
Manufacturing process technology
28 nm
4 nm
Number of transistors
1,270 million
80,000 million
Pipelines / CUDA cores
384
7296
Power consumption (TDP)
50 Watt
350 Watt
Texture fill rate
25.50
752.4
Memory type
DDR3
HBM2e
Maximum RAM amount
2 GB
80 GB
Memory bus width
128 Bit
5120 Bit
Memory clock speed
1782 MHz
2 GB/s
Memory bandwidth
28.51 GB/s
1,280 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
N/A
CUDA
3.0
9.0
OpenCL
1.2
3.0
OpenGL
4.6
N/A
Shader Model
5.1
N/A
Vulkan
1.1.126
N/A