NVIDIA · GeForce 6 Series

NVIDIA GeForce 6600 GT

The NVIDIA GeForce 6600 GT is a graphics card using a 110 nm process. It has 256 MB of GDDR3 memory on a 128-bit bus, a boost clock of 500 MHz and a 47 W board power rating. It scores 143 in the PassMark G3D benchmark. It supports DirectX 9.0c and OpenGL 2.1.

NV43110 nm

5/10 key specs recorded · 22 facts

Depth: 31 recorded fields, 1 PassMark workload

Specification data last verified October 1, 2026 against PassMark Videocard Benchmark and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 5 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 · 128-bit

Boost clock

n/a

500 MHz base

Board power

47 W

Performance

The NVIDIA GeForce 6600 GT scores 143 in the PassMark G3D benchmark, higher than 21.3% of the 2,658 GPUs benchmarked (PassMark rank #2,286), measured across 251 submitted results. Its PassMark G2D score is 53.

PassMark G3D Mark

143

Rank #2,286
Faster than 21.3% of 2,658 GPUs
251 samples

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

PassMark workload tests

DirectX 9 4 fps

reference: fastest recorded 526 fps · faster than 5.1% of 1,675 GPUs

Averages of PassMark PerformanceTest submissions; frames/sec are PassMark test-scene rates, not game FPS. Tests PassMark does not report for this card are omitted. PassMark listing

In the PassMark workload tests the NVIDIA GeForce 6600 GT averages DirectX 9 4 fps, across 251 submitted results. Frames per second are PassMark test-scene rates, not game frame rates.

As stated by PassMark

Category Desktop

Bus interface AGP 8x,PCI-E x16

Max memory 256 MB

Core clock 500 MHz

Memory clock 1000 MHz

DirectX 9.0c

OpenGL 2.1

First benchmarked 2010-07-23

Samples 251

PassMark listing (collected 2026-10-01)

PassMark's own listing for the NVIDIA GeForce 6600 GT states the AGP 8x,PCI-E x16 interface, up to 256 MB of memory, a core clock of 500 MHz, DirectX 9.0c and OpenGL 2.1, first benchmarked on 2010-07-23. These are PassMark's figures, shown separately from the specification tables above.

Not to be confused with

This page covers the NVIDIA GeForce 6600 GT specifically. It is a different product from NVIDIA GeForce 6600 GT Dual, which have their own specifications. Check the exact model name before comparing figures.

Graphics processor

Architecture Not recorded

Codename NV43

Chip Not recorded

Process node 110 nm

Transistors 146 M

Die size 154 mm²

The NVIDIA GeForce 6600 GT uses the NV43 graphics processor, is manufactured on a 110 nm process, contains 146 million transistors and has a die size of 154 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) 4

Ray tracing cores Not recorded

Tensor / AI cores Not recorded

XMX engines Not recorded

Infinity cache Not recorded

The NVIDIA GeForce 6600 GT 4 render output units.

The NVIDIA GeForce 6600 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 6600 GT.

Clock speeds

Base clock 500 MHz

Boost clock Not recorded

Game clock Not recorded

Memory clock Not recorded

Effective memory clock Not recorded

The NVIDIA GeForce 6600 GT runs at a base clock of 500 MHz.

Memory

Size 256 MB

Type GDDR3

Bus width 128-bit

Bandwidth Not recorded

The NVIDIA GeForce 6600 GT is equipped with 256 MB of GDDR3 memory and uses a 128-bit memory bus.

Board and power

The NVIDIA GeForce 6600 GT has a board power rating of 47 W and it connects over AGP 8x,PCI-E x16.

Board power (TDP) 47 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 $199

Status Not recorded

Form factor Not recorded

Segment Desktop

Series GeForce 6 Series

The NVIDIA GeForce 6600 GT launched at a price of $199.

Benchmarks

PassMark G3D 143

PassMark G2D 53

Rank #2,286

Samples 251

Graphics and compute APIs

The NVIDIA GeForce 6600 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 6600 GT. Feex has no recorded Vulkan version for the NVIDIA GeForce 6600 GT. Feex has no recorded OpenCL version for the NVIDIA GeForce 6600 GT.

Naming and aliases

The NVIDIA GeForce 6600 GT is also known by other names: PassMark also lists it as Inno3D GeForce 6600 GT, MSI MS-StarForce GeForce 6600 GT (NVIDIA GeForce 6, MSI NX 6600GT (NVIDIA GeForce 6600 GT), NVIDIA GeForce 6600 GT (Omega 1.169.25), NVIDIA GeForce 6600 GT (Omega 2.169.21), NVIDIA GeForce 6600 GT (Prerelease - WDDM 1.0), NVIDIA GeForce 6600 GT by TweaksRUs, WinFast A6600 GT, WinFast PX6600 GT, WinFast PX6600 GT Extreme and MSI MS-StarForce GeForce 6600 GT (NVIDIA GeForce 6600 GT).

Other names (PassMark) Inno3D GeForce 6600 GT; MSI MS-StarForce GeForce 6600 GT (NVIDIA GeForce 6; MSI NX 6600GT (NVIDIA GeForce 6600 GT); NVIDIA GeForce 6600 GT (Omega 1.169.25); NVIDIA GeForce 6600 GT (Omega 2.169.21); NVIDIA GeForce 6600 GT (Prerelease - WDDM 1.0); NVIDIA GeForce 6600 GT by TweaksRUs; WinFast A6600 GT; WinFast PX6600 GT; WinFast PX6600 GT Extreme; MSI MS-StarForce GeForce 6600 GT (NVIDIA GeForce 6600 GT)