GeForce 6800 Ultra

Key Metrics

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Identity
Entry Type	Reference GPU
Official Name	NVIDIA GeForce 6800 Ultra
GPU Codename	NV45
Architecture	Curie
Launch Date	2004-07-26
Market Segment Notes	Desktop, Flagship in GeForce 6 Series
Core Specs
GPU Die	NV45
Process Node	TSMC 130 nm
Transistor Count	0.22 billion
Die Size	287 mm²
CUDA Cores	Not applicable
SM Count	Not applicable
TMUs	16
ROPs	16
Base Clock	425 MHz
Boost Clock	425 MHz
Pixel Fillrate	6.8 GP/s
Texture Fillrate	6.8 GT/s
Memory
Memory Size	256 MB
Memory Type	GDDR3
Memory Bus Width	256-bit
Memory Clock	550 MHz
Memory Bandwidth	35.2 GB/s
Board and Display
TDP / TBP	81 W
Recommended PSU	250 W
Power Connectors	1x 6-pin
Interface	PCIe 1.0 x16
Display Outputs	2x DVI, 1x S-Video
Slot Width	Dual-slot, 197 mm length
Card Length	197 mm
Board Partner Model	Reference or OEM specification
Reference Design	NVIDIA reference design
Software
Shader Model	3.0
DirectX Support	DirectX 9.3
OpenGL Support	OpenGL 2.0
Driver Branch Notes	Driver notes should document legacy support status from NVIDIA driver archives before giving advice about Windows or Linux use.

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

Reviews1 review

Board-partner, reference-card, article, and video reviews that cover this GPU.

Review coverage of the GeForce 6800 Ultra.

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.

Montrym and Moreton, The GeForce 6800, ACM Queue PDF mirrorArchitecture source authored by NVIDIA engineers.Open source
HotHardware, NVIDIA GeForce 6800 reviewPeriod review context for NV40-derived GeForce 6800 family positioning.Open source
NVIDIA Linux README supported products, Release 100.14.23Official driver support list context for legacy GeForce products.Open source
NVIDIA GeForce 6 Series Product OverviewOfficial NVIDIA comparison identifying a 256-bit effective memory interface for GeForce 6800 models across AGP and PCI ExpressOpen source

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

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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