ATI Mobility FireGL V5725

The ATI Mobility FireGL V5725 is a specialized mobile workstation GPU from AMD’s TeraScale architecture, built on a 55 nm process at TSMC with 378 million transistors on a 135 mm² die. Its benchmark percentile ranking places it at the 50th percentile of all GPUs in the database, indicating a strictly mid-pack historical performer. The data shows a chip designed for professional CAD and DCC validation rather than raw gaming throughput, with its 120 shading units, 8 texture mapping units, and 4 ROPs forming a balanced but modest configuration.

Benchmark Performance

The benchmark results for the Mobility FireGL V5725 are sparse, with an average benchmark score of zero in the current dataset. However, the percentile rank of 50 provides a clear positional anchor: this GPU sits exactly at the median of all recorded GPUs, meaning half of all historical parts are faster and half are slower. In practical terms, this places it far behind contemporary desktop gaming cards of its era, but it was positioned as a professional mobile solution where driver certification and precision mattered more than raw frame rates.

The FP32 compute throughput is 163.2 GFLOPS, derived from 120 shading units operating at the memory clock-derived frequency. This level of compute performance is roughly in line with entry-level discrete mobile GPUs from the late 2000s. The texture fill rate of 5.440 GTexel/s and pixel fill rate of 2.720 GPixel/s further confirm a part aimed at 1280x1024 or 1440x900 professional workloads. Without direct rival scores in the dataset, the percentile rank is the primary interpretive tool, and it clearly indicates a GPU that was never intended to lead performance charts, instead offering certified reliability for mobile workstations.

Memory Subsystem

The V5725 comes equipped with 256 MB of GDDR3 memory on a 128-bit bus, yielding a memory bandwidth of 25.60 GB/s. The memory clock runs at 800 MHz, translating to 1600 Mbps effective. This configuration is modest by any standard, and the 256 MB frame buffer is the most significant constraint for high-resolution professional work. In 2008-era terms, 256 MB was sufficient for basic CAD viewports and moderate texture loads, but it would choke on large assemblies or high-resolution textures.

The 128-bit bus width is narrow compared to desktop workstation cards of the period, which often used 256-bit or wider interfaces. The resulting bandwidth of 25.60 GB/s limits how quickly texture data and geometry can be streamed. For applications like 3D modeling at 1080p, the data suggests this GPU would struggle with texture-heavy scenes, though it could handle wireframe and shaded views with acceptable responsiveness. The pixel fill rate of 2.720 GPixel/s further caps resolution scaling, making 1600x1200 or higher resolutions impractical for interactive work.

Power and Cooling

The FACT PACK lists no TDP, no slot width, no power connector requirements, and no suggested PSU rating. This absence is itself informative: the V5725 was a mobile GPU, and mobile parts typically rely on the laptop's internal thermal solution rather than a discrete power connector. The 55 nm process and modest transistor count of 378 million suggest a power draw that would have been manageable within a workstation laptop chassis, likely requiring only a passive or low-profile active cooling solution.

Because no thermal design power is listed, quantitative power analysis is impossible. Qualitatively, the data indicates a part that was designed for sustained professional workloads in a laptop form factor, where thermal headroom is always at a premium. The lack of a suggested PSU rating further confirms this was never intended for desktop installation. Mobile workstation buyers would have relied on the laptop manufacturer's power delivery and cooling design, which were typically validated for 24/7 operation under full CPU and GPU load.

How It Compares

The nearestRivals array is empty in the FACT PACK, meaning no direct comparative scores are available for this GPU. This absence is notable because it isolates the V5725 in the database. Without rival data, the 50th percentile rank becomes the only comparative anchor. The successor is listed as FirePro Mobility, which indicates AMD’s naming transition from FireGL to FirePro for professional mobile GPUs.

Positioning against hypothetical rivals based on architecture alone, the V5725 would sit below desktop FireGL parts of the same generation due to its mobile power envelope and reduced clock potential. The 120 shading units are fewer than contemporary desktop workstation parts, but the mobile form factor necessitated these cuts. The TeraScale architecture's lack of unified shader flexibility compared to later architectures means the V5725 would fall behind even entry-level GCN-based professional GPUs in compute-heavy tasks. However, for its intended purpose—validating designs in a mobile setting—the performance was adequate for the era.

Who Should Consider It

Given the 50th percentile ranking and the 256 MB memory limit, this GPU is only suitable for legacy professional applications at modest resolutions. The data recommends 1280x1024 as the practical ceiling for interactive 3D work, and even that would require careful management of texture memory. For 2D CAD drafting or spreadsheet-heavy engineering analysis, the V5725 would be perfectly adequate, as those workloads are CPU-bound and place minimal demands on the GPU.

Users working with 3D solid modeling at 1080p should look elsewhere, as the 25.60 GB/s bandwidth and 4 ROPs will cause noticeable stuttering when rotating complex assemblies. The FP32 performance of 163.2 GFLOPS is sufficient for basic shading and lighting, but not for real-time ray tracing or advanced simulation visualization. This GPU is best suited for those who need certified OpenGL 3.3 and DirectX 10.1 support in a laptop for occasional CAD work, not for users who require smooth interaction with large models or high-resolution textures.

FAQ

Q: What is the memory bandwidth of the ATI Mobility FireGL V5725?

A: The memory bandwidth is 25.60 GB/s, derived from 256 MB of GDDR3 on a 128-bit bus.

Q: Does this GPU support DirectX 11?

A: No, it supports DirectX 10.1 (10_1) and OpenGL 3.3. It does not list Vulkan support.

Q: What is the transistor count and die size?

A: It contains 378 million transistors on a 135 mm² die, manufactured on a 55 nm process at TSMC.

Q: What is the pixel and texture fill rate?

A: The pixel fill rate is 2.720 GPixel/s, and the texture fill rate is 5.440 GTexel/s.

Q: Is this a desktop or mobile GPU?

A: It is a mobile GPU, as indicated by the "Mobility" branding and the lack of any power connector or PSU recommendation in the specifications.

Q: What is the successor to this GPU?

A: The successor is listed as FirePro Mobility, which is AMD's later naming convention for professional mobile GPUs.

Ray Tracing and Feature Set

The Mobility FireGL V5725 has no dedicated ray tracing cores or tensor cores, as these did not exist in the TeraScale architecture. Ray tracing is not supported in hardware, and any ray-traced rendering would have to be done via software, which would be impractically slow given the 163.2 GFLOPS FP32 throughput. The API support includes DirectX 10.1 (10_1) and OpenGL 3.3, which covers the professional application landscape of its era. The lack of Vulkan support means it cannot run modern Vulkan-based applications.

The feature set is focused on professional certification rather than consumer gaming features. The 120 shading units are arranged in a VLIW5 configuration typical of TeraScale, which provides good performance for shader-bound workloads but poor efficiency for compute-heavy tasks. The 8 TMUs and 4 ROPs are minimal, limiting texture-heavy rendering and anti-aliasing performance. The bus interface is PCIe 2.0 x16, which provides adequate bandwidth for the GPU's modest memory subsystem. Overall, this is a GPU built for a specific, narrow purpose: certified mobile CAD acceleration in the late 2000s, and it should be evaluated strictly within that context.