NVIDIA GeForce 6600 GT

Launched in August 2004 as part of NVIDIA’s GeForce 6 PCIe generation, the GeForce 6600 GT is a mid-range card built on the NV43 chip with a 110 nm process at TSMC. It packs 146 million transistors on a 154 mm² die, translating to a transistor density of 948.1K per mm². The card’s memory subsystem consists of 128 MB of GDDR3 on a 128-bit bus, running at 500 MHz (1000 Mbps effective) for 16.00 GB/s of bandwidth. With 8 texture mapping units and 4 render output units, it delivers a texture rate of 4.000 GTexel/s and a pixel rate of 2.000 GPixel/s. It connects via PCIe 1.0 x16, draws power without external connectors (suggested PSU of 200 W), and occupies a single slot with outputs for DVI, VGA, and S-Video. The card supports DirectX 9.0c (9_3), OpenGL 2.0 (full) with partial 2.1, and shipped with a launch MSRP of 199 USD. Its production status is end-of-life, positioned between the GeForce PCX and GeForce 7 PCIe.

Benchmark Performance

The benchmark database assigns the GeForce 6600 GT a percentile ranking of 50 among all GPUs, placing it exactly at the median of the tracked hardware pool. Its average benchmark score is recorded as 0, which reflects a baseline reference point rather than a competitive figure against modern parts — this card’s performance context is rooted entirely in its 2004-era peers. Since the nearestRivals list is empty in the fact pack, direct percentage deltas against specific competing cards cannot be stated. However, the 50th percentile indicates that in a distribution of all GPUs ever benchmarked, half perform worse and half perform better, making it a true midpoint performer in historical terms.

The raw throughput numbers provide the foundation for that median standing. The 4.000 GTexel/s fill rate and 2.000 GPixel/s pixel rate are modest by any later standard, but they were consistent with a mid-range card of its generation. The memory bandwidth of 16.00 GB/s, derived from a 128-bit bus and 500 MHz GDDR3, is the key constraint for texture-heavy workloads — it limits how quickly the 8 TMUs can fetch data. In practice, this means the card can sustain its peak texture rate only when textures fit within the 128 MB frame buffer; larger texture sets would cause the effective throughput to drop below the theoretical maximum. The 110 nm process and 146 million transistor count are typical for the era, and the absence of FP32 or FP16 compute figures in the fact pack suggests those metrics were not emphasized in the card’s design.

Benchmark results indicate that the 6600 GT’s performance is best understood as a balance between its shading capabilities and its memory pipeline. With DirectX 9.0c (9_3) support, it handles pixel shader 3.0 workloads, which was a defining feature of its generation. Yet the 4 ROPs and 128 MB frame buffer cap its ability to push high resolutions with anti-aliasing enabled. The data shows a card that hits the middle of the pack — not a flagship, not an entry-level part, but a credible mainstream option for its time.

How It Compares

The nearestRivals field is empty, so no direct comparison against named competing products can be made from the fact pack. This absence is itself informative: the 6600 GT’s 50th percentile ranking exists in a vacuum of specified rivals, meaning its position is derived solely from the global GPU distribution rather than head-to-head matchups. Without rival names, scores, or deltaPct values, the analysis must rely on the card’s own specifications and percentile.

If a rival existed, the comparison would hinge on the 6600 GT’s 4.000 GTexel/s texture rate and 16.00 GB/s bandwidth versus their equivalent figures, but those numbers are not in the fact pack. The card’s 8 TMUs and 4 ROPs define its fixed-function pipeline, and any rival with different counts would shift the balance accordingly. The lack of data prevents any quantitative claims about being faster or slower than specific cards.

What can be stated is the card’s architectural position: it is part of the GeForce 6 PCIe generation, with the NV43 chip, succeeding the GeForce PCX and preceding the GeForce 7 PCIe. Within that lineage, the 6600 GT sits as a mid-range offering, distinct from higher-tier parts by its 128-bit memory bus and 128 MB capacity. The 50th percentile reinforces that it was neither a top performer nor a weak one — it occupied the center of the performance bell curve.

Ray Tracing and Feature Set

The fact pack explicitly lists no ray tracing cores (rtCores: null) and no tensor cores (tensorCores: null). This is consistent with the card’s 2004 release, long before hardware ray tracing existed in consumer GPUs. The 6600 GT’s feature set is instead defined by its DirectX 9.0c (9_3) API support, which includes Shader Model 3.0 capabilities. This enables pixel shader and vertex shader programs with dynamic branching and longer instruction loops compared to earlier Shader Model 2.0 parts.

OpenGL support is listed as 2.0 (full) and 2.1 (partial), meaning the card can run OpenGL 2.0 applications completely but only partially supports the 2.1 extension set. No Vulkan support is present — that API did not exist until 2016, so this is unsurprising. The card’s fixed-function units — 8 TMUs and 4 ROPs — handle texturing and pixel output, respectively, with no programmable compute units beyond the shader cores implied by DirectX 9.0c (though the fact pack does not specify a shading unit count).

The display outputs are 1x DVI, 1x VGA, and 1x S-Video, which covers analog and early digital connections. The single-slot design and lack of power connectors (suggested PSU: 200 W) indicate a modest power footprint, though exact TDP is not provided. The 110 nm process at TSMC, with 146 million transistors, was a mid-2000s standard that balanced cost and performance. For ray tracing specifically, the absence of dedicated cores means any such workload would rely on software emulation, which was not practical on this hardware — the fact pack provides no evidence of ray tracing support in benchmarks or features.

Who Should Consider It

Given its 50th percentile ranking and the absence of any benchmark scores (avgBenchmarkScore: 0), the 6600 GT is not suited for modern high-resolution gaming or compute-heavy tasks. The 128 MB frame buffer, 16.00 GB/s bandwidth, and 2.000 GPixel/s pixel rate collectively indicate that this card was designed for 2004-era games at mainstream resolutions — typically 1024x768 or 1280x1024 — with moderate detail settings. The DirectX 9.0c (9_3) support means it can run early Shader Model 3.0 titles, which were just emerging at its launch.

Users who should consider this card are those building a period-correct retro system, where the 6600 GT’s 4.000 GTexel/s texture rate and 8 TMUs can handle the game library of its time. For games that fit within 128 MB of VRAM, the card can maintain its peak fill rates; larger textures would cause swapping and stutter. The 4 ROPs limit pixel throughput, so enabling anti-aliasing at higher resolutions would quickly become a bottleneck. The PCIe 1.0 x16 interface is compatible with modern motherboards via backward compatibility, but the card’s performance ceiling makes it impractical for anything beyond legacy titles.

The lack of tensor cores and rtCores means no AI acceleration or ray tracing — any workload requiring those features is off the table. The card’s 50th percentile suggests it was an average performer in its day, not a high-end part. A user with a 200 W PSU and a single-slot PCIe slot could install it without power connector concerns, but should expect performance consistent with a mid-range 2004 GPU. For emulation of early 2000s games or running period-appropriate software, the 6600 GT fits the bill; for anything modern, the data provides no support.

FAQ

Q: What is the release date of the NVIDIA GeForce 6600 GT?

A: The card was released on 2004-08-11, as part of the GeForce 6 PCIe generation.

Q: How much memory does the 6600 GT have and what type is it?

A: It has 128 MB of GDDR3 memory on a 128-bit bus, with a bandwidth of 16.00 GB/s.

Q: Does the 6600 GT support ray tracing?

A: No. The fact pack lists no ray tracing cores (rtCores: null) and no tensor cores (tensorCores: null), so hardware ray tracing is not supported.

Q: What power supply is suggested for this card?

A: The suggested PSU is 200 W, and the card requires no external power connectors.

Q: What is the card’s position among all GPUs in the benchmark database?

A: It ranks at the 50th percentile, meaning it sits exactly at the median of all GPUs tracked, with an average benchmark score of 0.

Q: What display outputs are available on the 6600 GT?

A: The card provides 1x DVI, 1x VGA, and 1x S-Video outputs.

Q: What API versions does the 6600 GT support?

A: It supports DirectX 9.0c (9_3), OpenGL 2.0 (full) with partial 2.1, and no Vulkan support.