RTX A400

Ampere NVIDIA RTX A Series Creator Workstation Desktop GDDR6 2024 NVIDIA

Key Metrics

Architecture: Ampere
Launch Date: 2024-04-16
CUDA Cores: 768
Memory: 4 GB GDDR6
Memory Bandwidth: 96 GB/s
TDP/TBP: 50 W
Interface: PCIe 4.0 x8

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GPU Specs

Identity
Entry Type	Workstation GPU
Official Name	NVIDIA RTX A400
GPU Codename	GA107
Architecture	Ampere
Launch Date	2024-04-16
Market Segment Notes	Workstation, Creator in NVIDIA RTX A Series
Core Specs
GPU Die	GA107
Chip Variant / Package	FCBGA-1358
Process Node	Samsung 8 nm
Transistor Count	8.7 billion
Die Size	200 mm²
CUDA Cores	768
SM Count	6
TMUs	24
ROPs	16
AI Units / Tensor Cores	24
RT Units / RT Cores	6
Base Clock	1,417 MHz
Boost Clock	1,762 MHz
Pixel Fillrate	28.19 GP/s
Texture Fillrate	42.29 GT/s
FP32 Throughput	2.71 TFLOPS
FP16 Throughput	2.71 TFLOPS
FP64 Throughput	0.04 TFLOPS
Memory
Memory Size	4 GB
Memory Type	GDDR6
Memory Bus Width	64-bit
Memory Clock	1,500 MHz
Memory Bandwidth	96 GB/s
L2 Cache	2 MB
L1 Cache	128 KB
Board and Display
TDP / TBP	50 W
Recommended PSU	250 W
Power Connectors	None
Interface	PCIe 4.0 x8
Display Outputs	4x mini-DisplayPort 1.4a
Slot Width	Single-slot, 163 mm length
Card Length	163 mm
Board Partner Model	Reference or OEM specification
Reference Design	NVIDIA reference design
Software
CUDA Compute Capability	8.6
Shader Model	6.8
DirectX Support	DirectX 12.2
Vulkan Support	Vulkan 1.4
OpenGL Support	OpenGL 4.6
OpenCL Support	OpenCL 3.0

Partial entry. Core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.

Why It Mattered

RTX A400 represents the professional side of NVIDIA RTX A Series and the Ampere generation around 2024. Certified-driver workflows, VRAM configuration, display outputs, and OEM workstation compatibility are the main historical reasons to track it separately from consumer GeForce models.

Sources

Sources reviewed: 2026-08-13

This entry is still being source-checked.

Data confidence and source status

Partial entry. Core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.

Verified: core specifications and historical notes have been reviewed against listed sources.
Partial: core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.
Imported: spec-only imported entry pending editorial source review.
Needs source review: narrative notes are incomplete until reviewed.

Primary / manufacturer sources

NVIDIA RTX A400 product pageOfficial product specificationsOpen source
NVIDIA RTX A400 datasheetNVIDIA-linked memory, interface, and board power specificationsOpen source
NVIDIA RTX Ampere quick-start guideOfficial guide states RTX A1000 and RTX A400 do not use a power cableOpen source
NVIDIA RTX A400 and A1000 launch articleOfficial 2024-04-16 announcement and availability contextOpen source
New NVIDIA RTX A400 and A1000 GPUs Enhance AI-Powered Design and Productivity WorkflowsOfficial April 16, 2024 introduction of the desktop RTX A400 and RTX A1000Open source

Independent reference sources

TechPowerUp GPU SpecsModel-level specification reference for this GPU entryOpen source

Derived datasets and spec dumps

RightNow GPU DatabaseOpen data inventory used for bulk normalization and cross-checking Derived/spec-dump source. Treat as a reference dataset, not independent historical verification.Open source

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Why It Mattered

A2

RTX A1000

RTX A1000 Embedded

RTX A1000 Mobile

Primary / manufacturer sources

Independent reference sources

Derived datasets and spec dumps