GeForce 8400

Tesla GeForce 8 Series Desktop DDR2 2007 NVIDIA

Key Metrics

Architecture: Tesla
Launch Date: 2007-12-04
CUDA Cores: 8
Memory: 256 MB DDR2
Memory Bandwidth: 8 GB/s
TDP/TBP: 25 W
Interface: PCIe 2.0 x16

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GPU Specs

Identity
Entry Type	Reference GPU
Official Name	NVIDIA GeForce 8400
GPU Codename	G98S
Architecture	Tesla
Launch Date	2007-12-04
Market Segment Notes	Desktop in GeForce 8 Series
Core Specs
GPU Die	G98S
Chip Variant / Package	BGA-533
Process Node	UMC 65 nm
Transistor Count	0.21 billion
Die Size	86 mm²
CUDA Cores	8
SM Count	1
TMUs	4
ROPs	4
Base Clock	540 MHz
Boost Clock	540 MHz
Pixel Fillrate	2.16 GP/s
Texture Fillrate	2.16 GT/s
FP32 Throughput	0.02 TFLOPS
Memory
Memory Size	256 MB
Memory Type	DDR2
Memory Bus Width	64-bit
Memory Clock	500 MHz
Memory Bandwidth	8 GB/s
L2 Cache	MB
Board and Display
TDP / TBP	25 W
Recommended PSU	200 W
Power Connectors	None
Interface	PCIe 2.0 x16
Display Outputs	1x DVI, 1x VGA, 1x S-Video
Slot Width	Single-slot
Board Partner Model	Reference or OEM specification
Reference Design	NVIDIA reference design
Software
CUDA Compute Capability	1.1
Shader Model	4.0
DirectX Support	DirectX 10.0
OpenGL Support	OpenGL 3.3
OpenCL Support	OpenCL 1.1

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

Why It Mattered

GeForce 8400 belongs to the Tesla and GeForce 8 Series era around 2007, when PC graphics cards varied heavily by bus, memory chips, BIOS, cooler, and display outputs. Tracking the exact model helps retro builders distinguish period-correct boards from similarly named variants.

Sources

Sources reviewed: 2026-06-20

This entry is still being source-checked.

Specifications are currently based on reference/spec-dump sources. Historical notes require additional source review.

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.

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

GeForce 8100 + nForce 720a

GeForce 8200

GeForce 8300

GeForce 8300 GS

Independent reference sources

Derived datasets and spec dumps