RTX A4000H vs Tesla P40

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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 efficiency8.79no data
ArchitecturePascal (2016−2021)Ampere (2020−2024)
GPU code nameGP102GA104
Market segmentWorkstationWorkstation
Release date13 September 2016 (8 years ago)12 April 2021 (3 years 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 cores38406144
Core clock speed1303 MHz735 MHz
Boost clock speed1531 MHz1560 MHz
Number of transistors11,800 million17,400 million
Manufacturing process technology16 nm8 nm
Power consumption (TDP)250 Watt140 Watt
Texture fill rate367.4299.5
Floating-point processing power11.76 TFLOPS19.17 TFLOPS
ROPs9696
TMUs240192
Tensor Coresno data192
Ray Tracing Coresno data48

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 4.0 x16
Length267 mm241 mm
Width2-slot1-slot
Supplementary power connectors8-pin EPS1x 6-pin

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 typeGDDR5GDDR6
Maximum RAM amount24 GB16 GB
Memory bus width384 Bit256 Bit
Memory clock speed1808 MHz1750 MHz
Memory bandwidth347.1 GB/s448.0 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 outputs4x DisplayPort 1.4a

API compatibility

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

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.76.7
OpenGL4.64.6
OpenCL3.03.0
Vulkan1.31.3
CUDA6.18.6

Pros & cons summary


Recency 13 September 2016 12 April 2021
Maximum RAM amount 24 GB 16 GB
Chip lithography 16 nm 8 nm
Power consumption (TDP) 250 Watt 140 Watt

Tesla P40 has a 50% higher maximum VRAM amount.

RTX A4000H, on the other hand, has an age advantage of 4 years, a 100% more advanced lithography process, and 78.6% lower power consumption.

We couldn't decide between Tesla P40 and RTX A4000H. 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.

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NVIDIA Tesla P40
Tesla P40
NVIDIA RTX A4000H
RTX A4000H

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Community ratings

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