NVIDIA · GeForce 6 Series

NVIDIA GeForce 6800 GT

The NVIDIA GeForce 6800 GT is a graphics card. It has 256 MB of GDDR3 memory on a 256-bit bus, 32.0 GB/s of memory bandwidth, a boost clock of 350 MHz and a 67 W board power rating. It scores 142 in the PassMark G3D benchmark. It supports DirectX 9.0c and OpenGL 2.1.

NV45

6/10 key specs recorded · 22 facts

Depth: 29 recorded fields

Specification data last verified October 1, 2026 against PassMark Videocard Benchmark and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 6 of 10 tracked specifications recorded.

PassMark Videocard Benchmark Wikipedia GPU list tables (wikigrid-2026-09)PassMark Videocard Benchmark

Shading units

n/a

Memory

256 MB

GDDR3 · 256-bit

Boost clock

n/a

350 MHz base

Board power

67 W

Performance

The NVIDIA GeForce 6800 GT scores 142 in the PassMark G3D benchmark, higher than 21.3% of the 2,658 GPUs benchmarked (PassMark rank #2,288), measured across 27 submitted results. Its PassMark G2D score is 212.

PassMark G3D Mark

142

Rank #2,288
Faster than 21.3% of 2,658 GPUs
27 samples

0relative to the fastest GPU on record (41,928)

As stated by PassMark

Category Desktop

Bus interface AGP 8x,PCI-E x16

Max memory 256 MB

Core clock 350 MHz

Memory clock 1000 MHz

DirectX 9.0c

OpenGL 2.1

First benchmarked 2009-04-03

Samples 27

PassMark listing (collected 2026-10-01)

PassMark's own listing for the NVIDIA GeForce 6800 GT states the AGP 8x,PCI-E x16 interface, up to 256 MB of memory, a core clock of 350 MHz, DirectX 9.0c and OpenGL 2.1, first benchmarked on 2009-04-03. These are PassMark's figures, shown separately from the specification tables above.

Not to be confused with

This page covers the NVIDIA GeForce 6800 GT specifically. It is a different product from NVIDIA GeForce 6800 GTO, NVIDIA GeForce 6800 GT AGP, NVIDIA GeForce 6800 GT DDL, NVIDIA GeForce 6800 GT Dual, which have their own specifications. Check the exact model name before comparing figures.

Graphics processor

Architecture Not recorded

Codename NV45

Chip Not recorded

Process node Not recorded

Transistors 222 M

Die size 287 mm²

The NVIDIA GeForce 6800 GT uses the NV45 graphics processor, contains 222 million transistors and has a die size of 287 mm².

Shader configuration

Shading units Not recorded

Compute units Not recorded

Streaming multiprocessors Not recorded

Execution units Not recorded

Texture units (TMUs) Not recorded

Render output units (ROPs) 16

Ray tracing cores Not recorded

Tensor / AI cores Not recorded

XMX engines Not recorded

Infinity cache Not recorded

The NVIDIA GeForce 6800 GT 16 render output units.

The NVIDIA GeForce 6800 GT does not use XMX engines; those are specific to Intel Arc graphics. Infinity Cache is an AMD architectural feature and does not apply to the NVIDIA GeForce 6800 GT.

Clock speeds

Base clock 350 MHz

Boost clock Not recorded

Game clock Not recorded

Memory clock Not recorded

Effective memory clock Not recorded

The NVIDIA GeForce 6800 GT runs at a base clock of 350 MHz.

Memory

Size 256 MB

Type GDDR3

Bus width 256-bit

Bandwidth 32.0 GB/s

The NVIDIA GeForce 6800 GT is equipped with 256 MB of GDDR3 memory, uses a 256-bit memory bus and delivers 32.0 GB/s of memory bandwidth.

Board and power

The NVIDIA GeForce 6800 GT has a board power rating of 67 W and it connects over AGP 8x,PCI-E x16.

Board power (TDP) 67 W

Total board power Not recorded

Suggested PSU Not recorded

Power connectors Not recorded

Slot width Not recorded

Length Not recorded

Width Not recorded

Height Not recorded

Cooler Not recorded

Max temperature Not recorded

Bus interface AGP 8x,PCI-E x16

Market

Launched Not recorded

Launch price Not recorded

Status Not recorded

Form factor Not recorded

Segment Desktop

Series GeForce 6 Series

Benchmarks

PassMark G3D 142

PassMark G2D 212

Rank #2,288

Samples 27

Graphics and compute APIs

The NVIDIA GeForce 6800 GT supports DirectX 9.0c and OpenGL 2.1.

DirectX 9.0c (stated by PassMark)

OpenGL 2.1 (stated by PassMark)

Feex has no recorded CUDA compute capability for the NVIDIA GeForce 6800 GT. Feex has no recorded Vulkan version for the NVIDIA GeForce 6800 GT. Feex has no recorded OpenCL version for the NVIDIA GeForce 6800 GT.

Naming and aliases

The NVIDIA GeForce 6800 GT is also known by other names: PassMark also lists it as NVIDIA GeForce 6800 GT (DNA-Force 2.2.8185 Source) and NVIDIA GeForce 6800 GT (Prerelease - WDDM 1.0).

Other names (PassMark) NVIDIA GeForce 6800 GT (DNA-Force 2.2.8185 Source); NVIDIA GeForce 6800 GT (Prerelease - WDDM 1.0)