H100 CNX vs Tesla P40

VS

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking172not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.57no data
Power efficiency8.75no data
ArchitecturePascal (2016−2021)Hopper (2022−2023)
GPU code nameGP102GH100
Market segmentWorkstationWorkstation
Release date13 September 2016 (8 years ago)21 March 2023 (1 year ago)
Launch price (MSRP)$5,699 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores384014592
Core clock speed1303 MHz690 MHz
Boost clock speed1531 MHz1845 MHz
Number of transistors11,800 million80,000 million
Manufacturing process technology16 nm4 nm
Power consumption (TDP)250 Watt350 Watt
Texture fill rate367.4841.3
Floating-point processing power11.76 TFLOPS53.84 TFLOPS
ROPs9624
TMUs240456
Tensor Coresno data456

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 3.0 x16PCIe 5.0 x16
Length267 mm267 mm
Width2-slot2-slot
Supplementary power connectors8-pin EPS8-pin EPS

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5HBM2e
Maximum RAM amount24 GB80 GB
Memory bus width384 Bit5120 Bit
Memory clock speed1808 MHz1593 MHz
Memory bandwidth347.1 GB/s2,039 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsNo outputs

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (12_1)N/A
Shader Model6.7N/A
OpenGL4.6N/A
OpenCL3.03.0
Vulkan1.3N/A
CUDA6.19.0

Pros & cons summary


Recency 13 September 2016 21 March 2023
Maximum RAM amount 24 GB 80 GB
Chip lithography 16 nm 4 nm
Power consumption (TDP) 250 Watt 350 Watt

Tesla P40 has 40% lower power consumption.

H100 CNX, on the other hand, has an age advantage of 6 years, a 233.3% higher maximum VRAM amount, and a 300% more advanced lithography process.

We couldn't decide between Tesla P40 and H100 CNX. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA Tesla P40
Tesla P40
NVIDIA H100 CNX
H100 CNX

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4 192 votes

Rate Tesla P40 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 1 vote

Rate H100 CNX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.