NVIDIA GeForce 8600 GT Mac Edition

The NVIDIA GeForce 8600 GT Mac Edition is an end-of-life graphics card built on the Tesla architecture with a G84 chip manufactured on TSMC's 80 nm process. It integrates 289 million transistors on a 169 mm² die, yielding a transistor density of 1.7M per mm². The card carries 128 MB of GDDR3 memory on a 128-bit bus, providing 24.00 GB/s of bandwidth, with memory clocked at 750 MHz (1500 Mbps effective). The compute core comprises 32 shading units, 16 texture mapping units, and 8 raster operation units, producing 92.80 GFLOPS of FP32 throughput, a pixel rate of 4.800 GPixel/s, and a texture rate of 9.600 GTexel/s. Released on April 16, 2007, with a launch MSRP of 159 USD, the card occupies the 50th percentile of all GPUs in the database, with no recorded benchmark scores.

Benchmark Performance

The database records no benchmark scores for this card. The benchmarks array is empty and the average benchmark score is 0. The sole ranking metric is the 50th percentile placement among all GPUs. A 50th percentile position means that 50 percent of the database's GPU entries rank above and 50 percent rank below. This is a neutral standing, but it is also the only comparative signal available, as the nearestRivals list contains no entries and therefore no deltaPct values.

The card's intrinsic throughput metrics provide the analytical foundation. FP32 compute is rated at 92.80 GFLOPS, which is the aggregate output of the 32 shading units. The pixel rate of 4.800 GPixel/s is produced by the 8 ROPs, and the texture rate of 9.600 GTexel/s is produced by the 16 TMUs. These three figures define the processing envelope. The memory subsystem delivers 24.00 GB/s over a 128-bit bus, with GDDR3 running at 750 MHz (1500 Mbps effective).

The texture rate of 9.600 GTexel/s is double the pixel rate of 4.800 GPixel/s, reflecting the 16 TMU to 8 ROP configuration. The FP32 figure of 92.80 GFLOPS is numerically larger than either rate, but the units are not directly comparable; the GFLOPS figure measures shading arithmetic, while the pixel and texture rates measure fill throughput. The data shows a card that is balanced toward texturing and shading, with pixel output as the lower ceiling.

The memory bandwidth of 24.00 GB/s is the data path that feeds the 9.600 GTexel/s texture rate. At 128 bits wide and 750 MHz, the GDDR3 subsystem provides enough bandwidth for the 16 TMUs to sustain their rated output, but the 128 MB capacity limits the working set. The 4.800 GPixel/s pixel rate is the lower of the two fill rates, meaning that pixel-heavy workloads will hit the ROP ceiling before the texture units saturate.

The 50th percentile placement is consistent with a mainstream part from the GeForce 8 generation. However, the empty benchmark array and zero average score mean that the percentile is not backed by measured results. The 128 MB frame buffer and 24.00 GB/s bandwidth are modest by any standard, but the percentile is relative to the entire database population, which includes many older and lower-end GPUs. Thus, a 50th percentile ranking is a meaningful signal of median standing, not a reflection of absolute capability.

The absence of rival data prevents any percentage-based comparison. The card's 92.80 GFLOPS, 4.800 GPixel/s, and 9.600 GTexel/s are the figures that would anchor such comparisons, but without rival scores, they remain standalone specifications. The average benchmark score of 0 reinforces the lack of empirical validation.

How It Compares

The nearestRivals field in the database is empty. No rival names, scores, or deltaPct values are provided, so a per-rival percentage comparison is impossible. The card's predecessor is listed as the GeForce 7 PCIe series, and its successor is the GeForce 9 series. These lineage entries place the 8600 GT Mac Edition between two generations, but the database offers no numeric comparison against either.

The card's position within the GeForce 8 generation is defined by its G84 chip on the 80 nm Tesla architecture. The 32 shading units, 16 TMUs, and 8 ROPs are the hardware resources that would be compared against rivals, but no rival data exists to support such a comparison. The 50th percentile placement is the only comparative metric, indicating that the card sits at the median of the database's GPU population.

Because no rival entries exist, any claim of being ahead of or behind a specific product would be unsupported by the data. The card's own numbers — 92.80 GFLOPS, 4.800 GPixel/s, 9.600 GTexel/s, and 24.00 GB/s — are the only quantitative facts available. Without nearestRivals data, the analysis must treat these figures as absolute characteristics rather than relative strengths.

Power and Cooling

The 8600 GT Mac Edition has a TDP of 47 W. This low thermal envelope permits a single-slot cooler design and requires no external power connectors. The power connector field is "None", meaning the card draws its entire power budget from the PCIe 1.0 x16 slot. The suggested PSU is 200 W, a modest requirement consistent with the card's efficiency on the 80 nm process.

The 289 million transistors on a 169 mm² die dissipate within the 47 W TDP. The transistor density of 1.7M per mm² indicates a moderately packed die. The card's physical length is 170 mm, or 6.7 inches, which fits standard chassis. The memory runs at 750 MHz (1500 Mbps effective), and the GDDR3 modules contribute to the 24.00 GB/s bandwidth.

The absence of power connectors simplifies installation: only the PCIe 1.0 x16 slot's power delivery is needed, and a 200 W PSU suffices. The single-slot form factor occupies one expansion slot, and the 47 W TDP means that cooling is handled by a single-slot heatsink and fan. The 80 nm process from TSMC is the manufacturing node, and the die size of 169 mm² is the physical area over which the 289 million transistors are spread.

Who Should Consider It

The card's specifications define a narrow use case. The 128 MB frame buffer and 24.00 GB/s memory bandwidth are the primary constraints. At higher resolutions and detail settings, the frame buffer will fill rapidly, and the bandwidth will limit texture streaming. The pixel rate of 4.800 GPixel/s, produced by 8 ROPs, caps fill-bound performance. The texture rate of 9.600 GTexel/s, produced by 16 TMUs, is the ceiling for texture-heavy workloads. The FP32 throughput of 92.80 GFLOPS is sufficient for older shading workloads but will be strained by modern effects.

The 50th percentile placement suggests that, relative to the database's GPU population, this card is an average performer. The 2x DVI display outputs and PCIe 1.0 x16 interface make it suitable for legacy systems with dual-monitor needs. The 47 W TDP and 200 W PSU requirement fit systems with modest power supplies.

The data does not support recommendations for demanding gaming. The 128 MB frame buffer is the binding constraint; modern game assets exceed this capacity. The 24.00 GB/s bandwidth limits texture fetch rates. The 8 ROPs cap pixel throughput at 4.800 GPixel/s. Users considering this card should target older titles, lower resolutions, and reduced detail settings. The 50th percentile ranking is a relative measure, not an endorsement of absolute performance.

Ray Tracing and Feature Set

The 8600 GT Mac Edition has no ray tracing cores and no tensor cores; both fields are null in the database. This is consistent with the Tesla architecture, which predates hardware ray tracing. The API support includes DirectX 11.1 with a 10_0 feature level, and OpenGL 3.3. Vulkan is not supported. The DirectX 11.1 (10_0) entry indicates the card can run the DirectX 11.1 runtime, but the feature level of 10_0 restricts rendering features to the DirectX 10 generation.

The display outputs are 2x DVI, providing dual-monitor capability. The bus interface is PCIe 1.0 x16. The memory type is GDDR3, and the frame buffer is 128 MB. The absence of tensor cores means no hardware acceleration for AI or machine learning workloads. The absence of RT cores means no hardware-accelerated ray tracing; any ray tracing would fall to software, which is impractical given the 92.80 GFLOPS FP32 throughput.

The feature set is defined by its era. The Tesla architecture, the 80 nm process, and the DirectX 10 feature level all point to a mid-2000s design. The OpenGL 3.3 support is the highest API version available; Vulkan is absent. For applications that rely on DirectX 10-level features, the card is compliant. For modern APIs and rendering techniques, it is not. The 2x DVI outputs and the absence of power connectors round out a feature set that is minimal by contemporary standards.