GeForce 8400M GT

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

Key Metrics

Launch Date: 2007-05-09
CUDA Cores: 16
Memory: 256 MB GDDR3
Memory Bandwidth: 19.26 GB/s
TDP/TBP: 14 W
Interface: PCIe 1.0 x16

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GPU Specs

Identity
Entry Type	Laptop GPU
Official Name	NVIDIA GeForce 8400M GT
GPU Codename	G86S
Architecture	Tesla
Launch Date	2007-05-09
Market Segment Notes	Laptop in GeForce 8M (8000M)
Core Specs
GPU Die	G86S
Chip Variant / Package	BGA-533
Process Node	TSMC 80 nm
Transistor Count	0.21 billion
Die Size	127 mm²
CUDA Cores	16
SM Count	2
TMUs	8
ROPs	4
Base Clock	450 MHz
Boost Clock	450 MHz
Pixel Fillrate	1.8 GP/s
Texture Fillrate	3.6 GT/s
FP32 Throughput	0.03 TFLOPS
Memory
Memory Size	256 MB
Memory Type	GDDR3
Memory Bus Width	128-bit
Memory Clock	602 MHz
Memory Bandwidth	19.26 GB/s
L2 Cache	MB
Board and Display
TDP / TBP	14 W
Power Connectors	None
Interface	PCIe 1.0 x16
Slot Width	MXM Module
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

Why It Mattered

GeForce 8400M GT 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

Independent reference sources

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

Reference databases

RightNow GPU DatabaseOpen GPU database used to cross-check specifications A reference database: good for cross-checking specifications, but not proof of the original release details on its own.Open source

Why It Mattered

GeForce 8400M G

GeForce 8400M GS

GeForce 8600M GS

GeForce 8600M GT

Independent reference sources

Reference databases