Tesla K40t vs Quadro RTX 4000 Mobile

Primary details

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

Place in the ranking152not rated
Place by popularitynot in top-100not in top-100
Power efficiency21.49no data
ArchitectureTuring (2018−2022)Kepler (2012−2018)
GPU code nameTU104GK110B
Market segmentMobile workstationWorkstation
Release date27 May 2019 (5 years ago)22 November 2013 (10 years ago)
Launch price (MSRP)no data$7,699

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 cores25602880
Core clock speed1110 MHz745 MHz
Boost clock speed1560 MHz876 MHz
Number of transistors13,600 million7,080 million
Manufacturing process technology12 nm28 nm
Power consumption (TDP)110 Watt245 Watt
Texture fill rate249.6210.2
Floating-point processing power7.987 TFLOPS5.046 TFLOPS
ROPs6448
TMUs160240
Tensor Cores320no data
Ray Tracing Cores40no data

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).

Laptop sizelargeno data
InterfacePCIe 3.0 x16PCIe 3.0 x16
Lengthno data267 mm
Widthno data2-slot

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 typeGDDR6GDDR5
Maximum RAM amount8 GB12 GB
Memory bus width256 Bit384 Bit
Memory clock speed1750 MHz1502 MHz
Memory bandwidth448.0 GB/s288.4 GB/s
Shared memory--

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
G-SYNC support+-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

VR Ready+no data

API compatibility

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

DirectX12 Ultimate (12_1)12 (11_1)
Shader Model6.55.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.2.1311.1.126
CUDA7.53.5

Pros & cons summary


Recency 27 May 2019 22 November 2013
Maximum RAM amount 8 GB 12 GB
Chip lithography 12 nm 28 nm
Power consumption (TDP) 110 Watt 245 Watt

RTX 4000 Mobile has an age advantage of 5 years, a 133.3% more advanced lithography process, and 122.7% lower power consumption.

Tesla K40t, on the other hand, has a 50% higher maximum VRAM amount.

We couldn't decide between Quadro RTX 4000 Mobile and Tesla K40t. We've got no test results to judge.

Be aware that Quadro RTX 4000 Mobile is a mobile workstation card while Tesla K40t is a workstation one.


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 Quadro RTX 4000 Mobile
Quadro RTX 4000 Mobile
NVIDIA Tesla K40t
Tesla K40t

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Community ratings

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