NVIDIA H100 SXM5 64 GB vs NVIDIA H100 CNX

Comparative analysis of NVIDIA H100 SXM5 64 GB and NVIDIA H100 CNX videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory.

NVIDIA H100 SXM5 64 GB

NVIDIA H100 CNX

Differences

Reasons to consider the NVIDIA H100 SXM5 64 GB

2.4x more core clock speed: 1665 MHz vs 690 MHz
Around 7% higher boost clock speed: 1980 MHz vs 1845 MHz
Around 16% higher pipelines: 16896 vs 14592

Core clock speed	1665 MHz vs 690 MHz
Boost clock speed	1980 MHz vs 1845 MHz
Pipelines	16896 vs 14592

Reasons to consider the NVIDIA H100 CNX

805.1x more texture fill rate: 841.3 GTexel/s vs 1,045 GTexel/s
2x lower typical power consumption: 350 Watt vs 700 Watt
Around 25% higher maximum memory size: 80 GB vs 64 GB
Around 21% higher memory clock speed: 1593 MHz, 3.2 Gbps effective vs 1313 MHz, 2.6 Gbps effective

Texture fill rate	841.3 GTexel/s vs 1,045 GTexel/s
Thermal Design Power (TDP)	350 Watt vs 700 Watt
Maximum memory size	80 GB vs 64 GB
Memory clock speed	1593 MHz, 3.2 Gbps effective vs 1313 MHz, 2.6 Gbps effective

Compare specifications (specs)

	NVIDIA H100 SXM5 64 GB	NVIDIA H100 CNX
Essentials
Architecture	Hopper	Hopper
Code name	GH100	GH100
Launch date	22 Mar 2022	22 Mar 2022
Place in performance rating	not rated	not rated
Technical info
Boost clock speed	1980 MHz	1845 MHz
Core clock speed	1665 MHz	690 MHz
Manufacturing process technology	4 nm	4 nm
Pipelines	16896	14592
Pixel fill rate	47.52 GPixel/s	44.28 GPixel/s
Texture fill rate	1,045 GTexel/s	841.3 GTexel/s
Thermal Design Power (TDP)	700 Watt	350 Watt
Transistor count	80000 million	80000 million
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Form factor	SXM Module	Dual-slot
Interface	PCIe 5.0 x16	PCIe 5.0 x16
Recommended system power (PSU)	1100 Watt	750 Watt
Supplementary power connectors	8-pin EPS	8-pin EPS
Length		267 mm, 10.5 inches
Width		111 mm, 4.4 inches
API support
OpenCL	3.0	3.0
Memory
Maximum RAM amount	64 GB	80 GB
Memory bandwidth	1,008 GB/s	2,039 GB/s
Memory bus width	3072 bit	5120 bit
Memory clock speed	1313 MHz, 2.6 Gbps effective	1593 MHz, 3.2 Gbps effective
Memory type	HBM3	HBM2e