NVIDIA GeForce 7900 GT

The NVIDIA GeForce 7900 GT is a single-slot, end-of-life graphics card from the GeForce 7 PCIe generation. Built on the G71 chip at 90 nm using TSMC's process, it packs 278 million transistors on a 196 mm² die. With 24 TMUs, 16 ROPs, and a 256-bit memory interface, it offers a pixel rate of 7.200 GPixel/s and a texture rate of 10.80 GTexel/s. The card holds a 50th percentile standing among all GPUs in the database, though its average benchmark score is recorded as 0, indicating no direct performance measurements are available.

Benchmark Performance

The database lists no individual benchmark scores for the 7900 GT; the average benchmark score is 0. However, the percentileVsAllGpus field places it at exactly 50, meaning it sits at the median of all GPUs tracked by the database. This suggests that, based on the hardware characteristics recorded, it performs at a level typical for a mid-range card of its generation. Without rival scores or deltaPct values, direct percentage comparisons cannot be made. The theoretical throughput figures, 7.200 GPixel/s fill rate and 10.80 GTexel/s texture rate, are the raw capabilities of the G71 core. Memory bandwidth is 42.24 GB/s, derived from a 660 MHz memory clock (1320 Mbps effective) on a 256-bit GDDR3 bus. These numbers indicate a balanced design: the pixel and texture rates are proportioned to the memory bandwidth, which is adequate for the 256 MB frame buffer at typical resolutions of the time. The 24 TMUs and 16 ROPs are consistent with a card that would handle early DirectX 9 titles smoothly, but the lack of benchmark data means we cannot quantify its performance relative to any specific competitor. The 50th percentile rank is the only comparative metric available, and it places the 7900 GT in the middle of the database's GPU population.

The card's architecture, Curie, is a legacy design that relies on separate pixel and vertex pipelines rather than the unified shaders that later GPUs adopted. This means its performance is tied directly to the pixel and texture rates, which are fixed at 7.200 GPixel/s and 10.80 GTexel/s. The memory subsystem, with a 256-bit bus and 42.24 GB/s bandwidth, provides enough throughput to feed these rates without becoming a bottleneck in most scenarios. The 256 MB frame buffer is small by any modern standard, but it was sufficient for games and applications that predate high-resolution textures and complex geometry. Because no benchmark results are stored, the percentile rank of 50 is derived from the card's specification set relative to other entries in the database, not from measured performance. This rank implies that half of all GPUs in the database are faster and half are slower, but it does not tell us how far ahead or behind they are. In the absence of exact delta values, the theoretical rates remain the most concrete performance indicators available.

Power and Cooling

The 7900 GT has a TDP of 48 W, which is modest. The suggested power supply is 200 W, and the card requires a single 6-pin power connector. This is a single-slot card, so it occupies one expansion slot. The low TDP means it can be used in systems with small power supplies, and the single 6-pin connector is a common requirement for that era. The 48 W figure is the thermal design power; actual power draw may vary, but the PSU recommendation of 200 W provides headroom for the rest of the system. The card's cooling solution is not specified, but a single-slot design typically uses a blower-style cooler that exhausts heat out of the case. Because the TDP is low, a simple heatsink and fan are sufficient. The 6-pin connector delivers additional power beyond the 75 W available from the PCIe 1.0 x16 slot, ensuring stable operation under load. The bus interface is PCIe 1.0 x16, which is backward compatible with later PCIe revisions, though the card's performance is not dependent on the bus bandwidth for its 42.24 GB/s memory throughput.

The combination of a 48 W TDP and a single-slot form factor makes the 7900 GT easy to integrate into compact or legacy systems. The 200 W suggested PSU is a conservative figure that accounts for the rest of the system's components, such as the CPU and drives. The 6-pin connector is a standard for mid-range cards of that period, and its presence indicates that the card can draw more than the slot's 75 W limit if needed, though the low TDP suggests it rarely does. The single-slot design also means it does not block adjacent slots, which is an advantage in systems with limited space. For builders who prioritize low power consumption and minimal cooling requirements, the 7900 GT is a straightforward option, provided the system has a 6-pin power lead available.

Ray Tracing and Feature Set

The 7900 GT does not include dedicated ray tracing cores or tensor cores; the rtCores and tensorCores fields are null. Its API support is limited to DirectX 9.0c (shader model 9_3) and OpenGL 2.1.2 (full) with partial OpenGL 3.x support. Vulkan is not supported. This means the card cannot accelerate ray tracing or AI-based features like DLSS. It is purely a rasterization GPU from the Curie architecture era. The feature set is therefore limited to traditional pixel and vertex shaders, with no support for modern compute workloads. The DirectX 9.0c support covers the shader model 3.0 features that were common in games from the mid-2000s. OpenGL 2.1.2 full support allows for legacy OpenGL applications, while the partial OpenGL 3.x support suggests some compatibility with later OpenGL titles, but not fully. The display outputs are 2x DVI and 1x S-Video, which are typical for the time, allowing connection to analog and digital monitors. No HDMI or DisplayPort is present. The card's feature set is thus suited for older software and basic 2D/3D acceleration, but it lacks the capabilities required for modern games or applications that rely on DirectX 11/12, Vulkan, or ray tracing.

The absence of tensor and RT cores is expected for a 2006 product, but it is worth stating explicitly: any workload that depends on those units will not run on this card. The API support is also a limiting factor. DirectX 9.0c (9_3) is the highest DirectX version supported, which means games that require DirectX 10 or later will not run. The partial OpenGL 3.x support is ambiguous; it may allow some OpenGL 3.0 or 3.1 features, but not the full specification. For users who need to run legacy software, the 7900 GT's feature set is adequate, but it is not a viable option for anything contemporary. The two DVI ports and one S-Video output provide flexibility for connecting multiple displays, though the S-Video port is primarily for analog TV output. Overall, the feature set is firmly rooted in the mid-2000s and offers no forward-looking capabilities.

FAQ

Q: What is the memory configuration of the NVIDIA GeForce 7900 GT?

A: The card has 256 MB of GDDR3 memory on a 256-bit bus, with a bandwidth of 42.24 GB/s. The memory clock is 660 MHz, which translates to 1320 Mbps effective.

Q: Does the 7900 GT support DirectX 10?

A: No. It supports DirectX 9.0c (shader model 9_3) and OpenGL 2.1.2 (full) with partial OpenGL 3.x support. It does not support Vulkan.

Q: What power supply is recommended for this card?

A: The suggested PSU rating is 200 W. The card has a TDP of 48 W and requires a single 6-pin power connector.

Q: How many display outputs does it have?

A: It has two DVI outputs and one S-Video output.

Q: What is the production status of the 7900 GT?

A: It is marked as end-of-life, with a release date of 2006-03-08.

Q: What is the process node and transistor count?

A: The chip is fabricated on a 90 nm process at TSMC, with 278 million transistors on a 196 mm² die, giving a density of 1.4 million transistors per mm².

How It Compares

The database does not list any nearest rivals for the 7900 GT, so no direct performance comparisons with specific competitor cards can be made using deltaPct values. However, the card's position in the GeForce 7 PCIe generation is clear: it follows the GeForce 6 PCIe series and precedes the GeForce 8 series. As an end-of-life product, it sits between these two generations. The GeForce 6 predecessor likely had similar architectural traits but with older features, while the GeForce 8 successor introduced unified shaders and DirectX 10 support. The 7900 GT, with its Curie architecture, lacks those innovations. Its 50th percentile rank among all GPUs in the database suggests it is neither a high-end nor a low-end part; it is squarely in the middle. Without rival data, we can only assess its internal specifications: the 24 TMUs and 16 ROPs are modest by later standards, but the 256-bit memory bus and 42.24 GB/s bandwidth are respectable for its era. The card's single-slot design and 48 W TDP make it a low-power option, which is a differentiator compared to more power-hungry high-end cards of its time. In summary, the 7900 GT is a mid-range card that offers balanced performance for legacy applications, but it lacks the features and performance headroom of its successor.

The absence of nearest rival data is notable; the database simply does not contain entries that are directly comparable to this card. This could be because the 7900 GT was a niche product or because the database's coverage of that era is sparse. Regardless, the only comparative signal is the percentile rank of 50, which places it at the median of all GPUs. This rank is a global measure, not a direct comparison to any specific competitor. The card's predecessor and successor are named, but no specifications are provided for them, so we cannot quantify the generational leap. What we can say is that the 7900 GT is an end-of-life product that occupies a transitional slot in NVIDIA's lineup. Its single-slot cooling and low TDP are practical advantages, but they come at the cost of modern feature support. For anyone considering this card today, the lack of DirectX 10, Vulkan, and ray tracing means it is only suitable for very specific legacy use cases.

Who Should Consider It

The 7900 GT is a legacy card with a 50th percentile standing among all GPUs, but no benchmark scores are available. Its hardware specifications, 256 MB GDDR3, 42.24 GB/s bandwidth, and a 7.200 GPixel/s fill rate, suggest it can handle older games and applications that were contemporary with its 2006 release. For users who need a basic display adapter for a retro build or a system running legacy operating systems, this card provides two DVI outputs and an S-Video output, which are sufficient for standard monitors of that period. The low 48 W TDP means it can be installed in systems with modest power supplies, and the single 6-pin connector is a common requirement. However, the lack of DirectX 10, Vulkan, and any ray tracing support means it is not suitable for modern gaming or compute tasks. The 256 MB memory capacity will be limiting for higher resolutions or texture-heavy workloads; typical use would be at lower resolutions and detail settings. Given that the card is end-of-life and has no recorded benchmark scores, it is best suited for enthusiasts building period-correct systems or for basic 2D/3D acceleration in legacy environments. It is not a recommendation for anyone expecting to play modern titles or run current software. The card's 50th percentile rank suggests it is not a standout performer even within its own generation, but its low power draw and compact design make it a practical choice for specific, limited applications.