GeForce 8400M G

Tesla GeForce 8M (8000M)Laptop Desktop GDDR3 2007 Notebook OEM

Key Metrics

Architecture: Tesla
Launch Date: 2007-05-09
CUDA Cores: 8
Memory: 256 MB GDDR3
Memory Bandwidth: 6.4 GB/s
TDP/TBP: 10 W
Interface: PCIe 1.0 x16

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GPU Specs

Identity
Entry Type	Laptop GPU
Official Name	NVIDIA GeForce 8400M G
GPU Codename	G86
Architecture	Tesla
Launch Date	2007-05-09
Market Segment Notes	Laptop in GeForce 8M (8000M)
Core Specs
GPU Die	G86
Chip Variant / Package	BGA-820
Process Node	TSMC 80 nm
Transistor Count	0.21 billion
Die Size	127 mm²
CUDA Cores	8
SM Count	1
TMUs	8
ROPs	4
Base Clock	400 MHz
Boost Clock	400 MHz
Pixel Fillrate	1.6 GP/s
Texture Fillrate	3.2 GT/s
FP32 Throughput	0.01 TFLOPS
Memory
Memory Size	256 MB
Memory Type	GDDR3
Memory Bus Width	64-bit
Memory Clock	400 MHz
Memory Bandwidth	6.4 GB/s
L2 Cache	MB
Board and Display
TDP / TBP	10 W
Power Connectors	None
Interface	PCIe 1.0 x16
Slot Width	IGP
Board Partner Model	Reference or OEM specification
Reference Design	OEM 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 8400M G matters as a mobile GeForce 8M (8000M) implementation from the Tesla generation around 2007. Laptop GPU names often hide large differences in power limits, cooling, memory, and OEM firmware, so tracking the exact variant explains why similarly named systems can perform differently.

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 8400M GS

GeForce 8400M GT

GeForce 8600M GS

GeForce 8600M GT

Independent reference sources

Derived datasets and spec dumps