NVIDIA GeForce GTX 285 Mac Edition

Power and Cooling

The NVIDIA GeForce GTX 285 Mac Edition carries a thermal design power (TDP) of 204 W, placing it firmly in the high-power segment of its era. This figure dictates the minimum system requirements: the data specifies a suggested power supply of 550 W, which is a substantial recommendation for any build of that period. The board relies on two 6-pin PCIe power connectors, a standard configuration for high-end cards at the time, and occupies a dual-slot form factor. Its physical length of 267 mm (10.5 inches) means case clearance is a genuine consideration; many compact mid-tower chassis of the day would struggle to accommodate it.

The power delivery requirements are unambiguous. A 550 W PSU is not a suggestion but a practical necessity when the GPU is under sustained load, given the 204 W TDP alone does not account for the rest of the system's draw. The dual 6-pin connectors also imply that older power supplies without native PCIe cables would require adapters, adding a layer of installation complexity. The 55 nm process node from TSMC, with a die size of 470 mm² and 1,400 million transistors, explains the high power appetite; this is a large, densely packed chip by 2009 standards. Thermal management is critical, and the dual-slot cooler is designed to exhaust waste heat outside the chassis, which is a positive trait for system stability in enclosed cases. In summary, the data indicates a power-hungry, physically large card that demands a robust PSU and a roomy case, with no room for compromise on power delivery.

Ray Tracing and Feature Set

This GPU does not feature dedicated ray tracing or tensor cores, as those technologies were not part of the Tesla 2.0 architecture. The absence of these units means the card relies entirely on traditional rasterization techniques for rendering. For API support, the data lists DirectX 11.1 (with a feature level of 10_0) and OpenGL 3.3. This is a critical distinction: while the card can run DirectX 11 applications, the feature level of 10_0 indicates it does not support the full DirectX 11 feature set, such as tessellation, at hardware level. The card is effectively a DirectX 10-class part with some software-level compatibility for newer APIs.

The lack of Vulkan support is also notable, meaning modern titles that rely on Vulkan for low-level hardware access are out of reach. The feature set is firmly rooted in the late-2000s era, with pixel rate of 20.74 GPixel/s and texture rate of 51.84 GTexel/s defining the fill-rate capabilities. The 240 shading units, 80 texture mapping units (TMUs), and 32 raster operations pipelines (ROPs) form the computational backbone. For the Mac Edition specifically, driver support and API availability are tied to macOS versions of that period, which further limits modern compatibility. Benchmark results indicate this is a legacy product for legacy workloads, not a platform for contemporary graphics features.

Who Should Consider It

The GTX 285 Mac Edition targets a very specific user: someone running a legacy Mac Pro with PCIe 2.0 x16 slots who needs a high-end card for its native operating system. The 50th percentile ranking versus all GPUs suggests it sits exactly in the middle of the performance distribution of its time, which means it is not a competitive option for modern gaming. For 1080p gaming in titles released before 2012, the card's 159.0 GB/s memory bandwidth and 708.5 GFLOPS of FP32 compute are adequate for medium to high settings in most cases. However, for 1440p or higher resolutions, the 1024 MB VRAM becomes a severe bottleneck, causing texture thrashing and stutter in any game that requires more than 1 GB of frame buffer.

The card is not suitable for modern AAA titles, VR, or any workload requiring DirectX 11.1 features beyond the 10_0 feature level. The data suggests it is best suited for a retro-gaming build, a period-correct workstation for legacy professional applications, or as a functional replacement for a dead card in an aging system. Those seeking to play modern eSports titles at low settings might find the 204 W TDP and lack of modern API support to be a poor trade-off. The recommendation is clear: this is a product for preservation and legacy compatibility, not for current-generation performance expectations. Its 50th percentile standing means half of all GPUs ever benchmarked are faster, and the absence of any benchmark scores or rivals in the data reinforces its status as a niche, outdated solution.

FAQ

Q: What is the memory size and type of this card?

A: The card has 1024 MB of GDDR3 memory on a 512-bit bus, delivering 159.0 GB/s of bandwidth.

Q: Does the GTX 285 Mac Edition support DirectX 11?

A: It lists DirectX 11.1 support, but only at the 10_0 feature level, meaning full DX11 hardware features are not available.

Q: What power supply is recommended for this GPU?

A: A 550 W power supply is the suggested requirement, and the card needs two 6-pin PCIe power connectors.

Q: Is this card suitable for modern ray tracing?

A: No, it has no ray tracing cores or tensor cores, and the architecture predates any such hardware acceleration.

Q: What display outputs does it provide?

A: The card offers two DVI outputs and one S-Video output, with no support for modern display interfaces like HDMI or DisplayPort natively.

Q: What is the production status of this product?

A: The data lists it as end-of-life, and its release date is in January 2009, with a successor in the GeForce 400 series.

How It Compares

The data provides no nearest rivals, benchmark scores, or percentile deltas for this card. This absence is itself informative. Without a set of comparison points, the GTX 285 Mac Edition exists in a vacuum within the database. There are no direct competitor scores to cite, no percentage deltas to analyze, and no relative performance indices to reference. This means any claim about its standing relative to other cards must be derived solely from its 50th percentile position versus all GPUs and its absolute specifications. The lack of rival data suggests the card is so old and niche that the database does not consider it relevant to modern comparisons. It is a product frozen in time, with its performance context defined only by its own technical sheet and the median position it holds in the overall distribution.

In practical terms, the 50th percentile ranking versus all GPUs indicates it would be outperformed by the majority of cards released in the subsequent decade, but it also means it was a solid mid-pack performer in its day. Without rival names or deltas, any further comparative analysis is impossible. The card's position is therefore best described as a historical footnote rather than a competitive entity. Its successor, the GeForce 400 series, and its predecessor, the GeForce 9 series, are known from the data, but no performance metrics connect them. This is a unique situation where the lack of data is the primary data point: the GTX 285 Mac Edition is a card that no longer participates in the competitive landscape.

Memory Subsystem

The memory configuration is a key strength of this card. It uses 1024 MB of GDDR3 memory across a 512-bit bus, which is an exceptionally wide interface for its generation. This width, combined with the memory clock of 1242 MHz (2.5 Gbps effective), yields a memory bandwidth of 159.0 GB/s. This is a substantial figure that was considered high-end in 2009, enabling high fill-rate operations at high resolutions without immediate bandwidth starvation. The 512-bit bus is the standout feature here; it is a design choice that prioritizes bandwidth over capacity, which is beneficial for pixel-heavy workloads.

However, the 1024 MB capacity is the limiting factor. At 1920x1080 with high-detail textures, many games of the era would approach or exceed 1 GB of VRAM usage. When the frame buffer fills, the GPU must fall back to system memory over the PCIe 2.0 x16 bus, which causes severe performance dips. The 159.0 GB/s bandwidth is only useful if the data resides on the card; once spills to system RAM, effective throughput collapses. For modern games, which routinely require 4-8 GB of VRAM, this card is non-functional. The pixel rate of 20.74 GPixel/s is also tied to memory throughput; without sufficient VRAM, the ROPs cannot sustain high resolutions with anti-aliasing. In summary, the memory subsystem is a paradox: a magnificent bus width for its time, hamstrung by a capacity that was already modest at launch and is now obsolete.

Benchmark Performance

The benchmark data for this card is essentially empty, with a zero average benchmark score and an empty benchmark array. The only quantitative performance indicator is the 50th percentile versus all GPUs. This median position is a stark summary: half of all GPUs in the database are faster, and half are slower. The absence of numeric scores and nearest rivals means that any percentage delta calculations are impossible from the FACT PACK. The FP32 compute is rated at 708.5 GFLOPS, the texture rate at 51.84 GTexel/s, and the pixel rate at 20.74 GPixel/s, but these are theoretical peaks, not application-level results.

Without rival deltas, the analysis must rely on the percentile. A 50th percentile ranking is a precarious position. It means the card is not a low-end part, but it is also not a high-end part. In its 2009 context, this would have placed it as a solid mid-range performer, likely capable of running then-current games at high settings in 1080p. However, the lack of any benchmark scores suggests the database's testing methodology does not yield meaningful data for this card, likely due to driver incompatibilities or API limitations. The DirectX 11.1 (10_0) feature level is a clear handicap; modern benchmark suites that require full DX11 or DX12 will either fail to run or produce results that are not comparable to other cards. The conclusion is that the GTX 285 Mac Edition's performance cannot be quantified in the current database framework, and its 50th percentile ranking is a historical artifact rather than a current measurement. It is a card whose era has passed, and the data reflects that reality through its absence.