ATI Radeon X1950 XT

The ATI Radeon X1950 XT, built on the 90 nm process at TSMC, represents the apex of the Radeon R500 PCIe generation. Powered by the R580+ chip and the Ultra-Threaded SE architecture, this card was positioned as a high-performance option in late 2006. With 384 million transistors on a 352 mm² die, the X1950 XT was a substantial piece of silicon, and its benchmark data reflects a clear focus on high-resolution gaming.

Benchmark Performance

The benchmark data for the ATI Radeon X1950 XT is notably sparse, with the average benchmark score recorded as 0. This indicates that the card has not been subjected to the standardized test suite used by this database, or that the data has not been normalized. However, the lack of direct scores does not mean the card is without context. The `percentileVsAllGpus` field places it at the 50th percentile, meaning it outperforms half of all GPUs in the database. This is a strong showing for a card from its era, placing it firmly in the mid-to-upper tier of historical hardware.

The absence of `nearestRivals` data means we cannot provide the exact percentage deltas against specific competing cards as we normally would. Instead, we must rely on the architectural and specification-based evidence to infer its performance tier. The X1950 XT’s raw throughput figures are the primary indicators of its capability. The pixel rate of 10.00 GPixel/s and the texture rate of 10.00 GTexel/s are high for the generation, suggesting that the card was designed to feed high-resolution displays without bottlenecking on fill-rate limited tasks. These figures point to a card that could handle the demanding shader workloads of DirectX 9.0c titles, which were the standard at the time of its release.

The 50th percentile ranking implies that while it is not a top-tier performer, it is a significant step above the entry-level and mainstream cards of its day. The X1950 XT was a performance-oriented product, not a flagship, and its positioning in the database reflects that. The lack of a benchmark score is a limitation, but the percentile data and the architectural metrics provide a clear picture of a card that was competitive in its segment.

Ray Tracing and Feature Set

The ATI Radeon X1950 XT does not feature any dedicated ray tracing cores or tensor cores, as these technologies did not exist in the consumer GPU space in 2006. This is a critical distinction from modern graphics cards. The card’s feature set is instead defined by its support for the then-current APIs. It supports DirectX 9.0c with a shader model of 9_3, which was the pinnacle of DirectX 9 capabilities. This allowed for advanced pixel and vertex shader effects, but it is a far cry from the ray-traced lighting and AI-accelerated features of contemporary hardware.

For OpenGL, the X1950 XT offers full support for version 2.1 and partial support for version 3.0. This partial support means that some OpenGL 3.0 extensions and features were available, but not all, which could lead to compatibility issues in certain applications that relied on the full specification. The card lacks Vulkan support entirely, as that API was not introduced until several years later. Consequently, the X1950 XT is strictly a legacy product for the DirectX 9 and early OpenGL era. Its feature set is a product of its time, and it cannot run modern games that require DirectX 11, 12, or Vulkan. The data shows a hardware platform that is firmly rooted in the mid-2000s, with no forward-looking features.

How It Compares

Without specific rival data in the FACT PACK, a direct comparative analysis against named competitors is not possible. The `nearestRivals` array is empty, and the `predecessor` and `successor` fields only provide generational context. The X1950 XT’s predecessor was the Radeon R400 PCIe series, and its successor was the Radeon R600 series. This places the card at the end of a technological line, representing the culmination of the Ultra-Threaded SE architecture before the transition to the unified shader architecture of the R600.

Relative to its own predecessor, the X1950 XT would have offered a significant performance jump, given the architectural refinements and higher clock speeds. The R580+ chip was a high-frequency part, with the memory clocked at 900 MHz (1800 Mbps effective). This contributed to a memory bandwidth of 57.60 GB/s over a 256-bit bus. Against its successor, the R600, the X1950 XT would be clearly outclassed in raw compute and feature support, but it was a more mature and refined product at launch. The data suggests a card that was a high-point for its architecture, but one that was immediately superseded by a new generation. The lack of direct rival scores prevents a more granular comparison, but the generational placement is clear.

Who Should Consider It

The ATI Radeon X1950 XT, with its 50th percentile ranking, is a card for the retro gaming enthusiast or the collector of historical hardware. It is not suitable for modern gaming. The DirectX 9.0c support means it is only compatible with games from the early-to-mid 2000s. For that purpose, the card’s specifications are well-suited. The 256 MB of GDDR3 memory and 57.60 GB/s of bandwidth are adequate for 1024x768 or 1280x1024 resolutions, which were the common resolutions for its era.

At those resolutions, the X1950 XT would have been capable of running most DirectX 9 games with high detail settings. The 10.00 GPixel/s fill rate and 10.00 GTexel/s texture rate are sufficient for the pixel and texture workloads of that generation. The card is not designed for high refresh rates or 4K resolutions. The 256 MB VRAM is a limiting factor for games with large texture packs, even from its own era. The data suggests that the ideal use case is running classic titles at standard definition resolutions. Users should not expect to use this card with modern operating systems or driver support, as it is end-of-life and lacks the API support required for contemporary software.

Memory Subsystem

The memory subsystem of the X1950 XT is a key component of its performance profile. It features 256 MB of GDDR3 memory on a 256-bit bus. This is a configuration that was common for high-end cards of its time, but the memory size is a limitation. The memory is clocked at 900 MHz, which translates to an effective data rate of 1800 Mbps. This yields a total memory bandwidth of 57.60 GB/s.

This bandwidth figure is crucial for high-resolution gaming. At the time, 57.60 GB/s was a substantial amount, allowing for smooth texture streaming and high-resolution rendering at the card’s native resolutions. However, the 256 MB capacity is the bottleneck. Games from the late 2000s that were designed for 512 MB or 1 GB cards would struggle with texture pop-in or reduced detail settings. The 256-bit bus width is efficient, but the limited capacity means that the X1950 XT is best suited for older titles that do not require large frame buffers. The data indicates a balanced, but ultimately capacity-limited, memory design.

Power and Cooling

The ATI Radeon X1950 XT has a thermal design power (TDP) of 96 W. This is a moderate power draw for a high-performance card of its generation. The card requires a single 6-pin power connector and a suggested power supply of 250 W. This is a relatively modest PSU requirement, making the card easier to integrate into systems of its era. The cooling solution is a dual-slot design, indicating that the reference cooler was substantial enough to dissipate the heat from the 96 W TDP.

The dual-slot form factor means the card will occupy two expansion slots in a case, which is an important consideration for system builders. The power requirements are not extreme, but they are not negligible. The data shows a card that was designed to be a drop-in upgrade for a mainstream gaming PC with a decent power supply. The 250 W recommendation is a clear guideline for the minimum system requirement. The single 6-pin connector simplifies cabling, a common standard at the time. The cooling solution was adequate for its TDP, but users should ensure adequate case airflow given the dual-slot design.

FAQ

Q: What is the release date of the ATI Radeon X1950 XT?

A: The release date is October 16, 2006.

Q: What is the memory size and type of the X1950 XT?

A: It features 256 MB of GDDR3 memory.

Q: What is the memory bandwidth of the X1950 XT?

A: The memory bandwidth is 57.60 GB/s, achieved over a 256-bit bus.

Q: What is the power consumption and PSU requirement?

A: The TDP is 96 W, with a suggested power supply of 250 W and a single 6-pin connector.

Q: What is the highest version of DirectX supported?

A: The card supports DirectX 9.0c (shader model 9_3).

Q: What process node is the R580+ chip built on?

A: The chip is built on a 90 nm process at TSMC.

Q: What is the production status of this card?

A: The production status is listed as end-of-life.