Quadro T400 Mobile vs Radeon RX 640

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Primary details

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

Place in the ranking616not rated
Place by popularitynot in top-100not in top-100
Power efficiency7.29no data
ArchitectureGCN 4.0 (2016−2020)Turing (2018−2022)
GPU code namePolaris 23TU117
Market segmentLaptopMobile workstation
Release date13 May 2019 (5 years ago)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 cores640896
Core clock speed1082 MHzno data
Boost clock speed1218 MHz1425 MHz
Number of transistors2,200 million4,700 million
Manufacturing process technology14 nm12 nm
Power consumption (TDP)50 Watt18 Watt
Texture fill rate48.7279.80
Floating-point processing power1.559 TFLOPS2.554 TFLOPS
ROPs1632
TMUs4056

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 x8PCIe 3.0 x16
Supplementary power connectorsNoneno data

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 amount2 GB2 GB
Memory bus width64 Bit64 Bit
Memory clock speed1500 MHz10 GB/s
Memory bandwidth48 GB/s80 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

Supported technologies

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

FreeSync+-

API compatibility

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

DirectX12 (12_0)12 (12_1)
Shader Model6.46.6
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.2.1311.2
CUDA-7.5

Pros & cons summary


Chip lithography 14 nm 12 nm
Power consumption (TDP) 50 Watt 18 Watt

T400 Mobile has a 16.7% more advanced lithography process, and 177.8% lower power consumption.

We couldn't decide between Radeon RX 640 and Quadro T400 Mobile. We've got no test results to judge.

Be aware that Radeon RX 640 is a notebook graphics card while Quadro T400 Mobile is a mobile 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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AMD Radeon RX 640
Radeon RX 640
NVIDIA Quadro T400 Mobile
Quadro T400 Mobile

Comparisons with similar GPUs

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Community ratings

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


3.2 257 votes

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2.7 9 votes

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Questions & comments

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