ROG Ally Extreme GPU vs T400

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Primary details

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

Place in the ranking470not rated
Place by popularitynot in top-100not in top-100
Power efficiency21.84no data
ArchitectureTuring (2018−2022)RDNA 3.0 (2022−2024)
GPU code nameTU117Phoenix
Market segmentWorkstationDesktop
Release date6 May 2021 (3 years ago)13 June 2023 (1 year ago)
Launch price (MSRP)no data$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 cores384768
Core clock speed420 MHz1500 MHz
Boost clock speed1425 MHz2700 MHz
Number of transistors4,700 million25,390 million
Manufacturing process technology12 nm4 nm
Power consumption (TDP)30 Watt30 Watt
Texture fill rate34.20129.6
Floating-point processing power1.094 TFLOPS8.294 TFLOPS
ROPs1632
TMUs2448
Ray Tracing Coresno data12

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 data280 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 amount2 GB16 GB
Memory bus width64 Bit64 Bit
Memory clock speed1250 MHz1600 MHz
Memory bandwidth80 GB/s51.2 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 Ultimate (12_2)
Shader Model6.66.7
OpenGL4.64.6
OpenCL3.02.1
Vulkan1.21.3
CUDA7.5-

Pros & cons summary


Recency 6 May 2021 13 June 2023
Maximum RAM amount 2 GB 16 GB
Chip lithography 12 nm 4 nm

ROG Ally Extreme GPU has an age advantage of 2 years, a 700% higher maximum VRAM amount, and a 200% more advanced lithography process.

We couldn't decide between T400 and ROG Ally Extreme GPU. We've got no test results to judge.

Be aware that T400 is a workstation graphics card while ROG Ally Extreme 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
T400
AMD ROG Ally Extreme GPU
ROG Ally Extreme GPU

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Community ratings

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