Steam Deck GPU vs T400 4 GB

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Primary details

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

Place in the ranking458not rated
Place by popularitynot in top-100not in top-100
Power efficiency22.46no data
ArchitectureTuring (2018−2022)RDNA 2.0 (2020−2024)
GPU code nameTU117Van Gogh
Market segmentWorkstationDesktop
Release date6 May 2021 (3 years ago)25 February 2022 (2 years ago)

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 cores384512
Core clock speed420 MHz1000 MHz
Boost clock speed1425 MHz1600 MHz
Number of transistors4,700 million2,400 million
Manufacturing process technology12 nm7 nm
Power consumption (TDP)30 Watt15 Watt
Texture fill rate34.2051.20
Floating-point processing power1.094 TFLOPS1.638 TFLOPS
ROPs1616
TMUs2432
Ray Tracing Coresno data8

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 x16no data
Lengthno data298 mm
Width1-slotno data
Supplementary power connectorsNoneNone

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 typeGDDR6LPDDR5
Maximum RAM amount4 GB16 GB
Memory bus width64 Bit128 Bit
Memory clock speed1250 MHz1375 MHz
Memory bandwidth80 GB/s88 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 Connectors3x mini-DisplayPort1x USB Type-C

API compatibility

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

DirectX12 (12_1)12 (12_1)
Shader Model6.66.5
OpenGL4.64.6
OpenCL3.02.0
Vulkan1.21.2
CUDA7.5-

Pros & cons summary


Recency 6 May 2021 25 February 2022
Maximum RAM amount 4 GB 16 GB
Chip lithography 12 nm 7 nm
Power consumption (TDP) 30 Watt 15 Watt

Steam Deck GPU has an age advantage of 9 months, a 300% higher maximum VRAM amount, a 71.4% more advanced lithography process, and 100% lower power consumption.

We couldn't decide between T400 4 GB and Steam Deck GPU. We've got no test results to judge.

Be aware that T400 4 GB is a workstation graphics card while Steam Deck GPU is a desktop 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 T400 4 GB
T400 4 GB
AMD Steam Deck GPU
Steam Deck GPU

Comparisons with similar GPUs

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Community ratings

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4.1 57 votes

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4 250 votes

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Questions & comments

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