ATI Mobility Radeon HD 545v

The ATI Mobility Radeon HD 545v is a mobile graphics processor from AMD’s M9x generation, built on the TeraScale architecture. It was released on May 4, 2010, and is now end-of-life. The chip, codenamed M93, is fabricated by TSMC on a 55 nm process, containing 242 million transistors on a 73 mm² die, for a transistor density of 3.3 million per square millimeter. The card is offered as an MXM module with a 15 W TDP, and its display outputs are listed as portable-device dependent. With 80 shading units, 8 texture mapping units, and 4 raster output pipelines, it represents a minimal configuration within its generation, aimed at low-power notebooks rather than performance-oriented systems.

How It Compares

The nearestRivals field in the fact pack is empty, so no direct percentage comparisons against specific GPUs are available. The card’s position must be inferred from its own specifications and its 50th percentile ranking among all GPUs in the database. That percentile indicates that the HD 545v sits exactly at the median of the historical GPU performance distribution. In practice, this places it in the company of other low-power mobile parts from the same era, though without rival data we cannot quantify that proximity. Its predecessor, the M8x, and successor, Manhattan, bracket it chronologically, but no performance figures for those parts are provided. The 80 shading units, 8 TMUs, and 4 ROPs define a very limited execution width; these numbers are consistent with a design that prioritizes low power over raw throughput. The 50th percentile ranking, however, is a relative measure across all GPUs ever catalogued, including integrated and very old parts, so it does not imply competitive performance against any modern discrete GPU. The absence of rival data means every performance statement in this analysis is based solely on the card’s own theoretical rates and memory characteristics.

Memory Subsystem

The memory subsystem consists of 512 MB of GDDR3 on a 64-bit bus, with a memory clock of 750 MHz (1500 Mbps effective). The resulting bandwidth is 12.00 GB/s. This is a very narrow and slow memory interface. For context, the pixel rate of 2.720 GPixel/s and texture rate of 5.440 GTexel/s are low enough that the 12 GB/s bandwidth is unlikely to be a bottleneck for the shader core; the card is more limited by its compute throughput. However, the small 512 MB frame buffer and 64-bit path will constrain texture detail and render targets at higher resolutions. At typical 2010 notebook resolutions—such as 1366×768 or 1280×800, though these are not specified in the fact pack—the capacity may be sufficient for low-detail settings, but the bandwidth will limit anti-aliasing and high-resolution texture packs. The effective memory speed of 1500 Mbps is modest; GDDR3 at this rate was common for entry-level parts of that era. For any workload that requires frequent texture streaming or large vertex buffers, the 12.00 GB/s figure will become a limiting factor. The 64-bit bus width is half of what many contemporary mainstream mobile GPUs used, further reducing the data throughput available to the shader cores.

Ray Tracing and Feature Set

The HD 545v does not include any dedicated ray tracing or tensor cores; the fact pack lists null for both. Its API support is limited to DirectX 10.1 (shader model 10_1) and OpenGL 3.3. Vulkan is not supported. This means the card cannot run modern ray-traced effects or utilize compute workloads that depend on tensor cores. The TeraScale architecture is a scalar unified shader design, and the 80 shading units operate at a peak FP32 throughput of 108.8 GFLOPS. This is a feature set aimed at basic 3D acceleration and video playback, not at advanced graphics features. DirectX 10.1 introduced some incremental improvements over 10.0, such as better shader model support and enhanced texture sampling, but it lacks the geometry shaders and compute shaders of later DirectX versions. OpenGL 3.3 is similarly dated, missing features like compute shaders and tessellation that became standard in later revisions. The lack of Vulkan support is a significant limitation for any modern application that might otherwise run on older hardware, as Vulkan’s low-overhead API could have extended the card’s usefulness. Without ray tracing and tensor cores, the HD 545v is strictly a legacy part for basic graphical output.

Who Should Consider It

Based on its specifications, the HD 545v is suited for basic desktop and light productivity tasks on a notebook. The 50th percentile ranking among all GPUs suggests that it is not an outlier, but the absence of any benchmark scores in the database means there is no measured performance to reference. The 2.720 GPixel/s pixel rate and 5.440 GTexel/s texture rate indicate that it can handle 2D interfaces and older, less demanding 3D games at low resolutions and detail settings. For high-resolution gaming or modern 3D applications, the 512 MB VRAM and 12 GB/s bandwidth will quickly become a bottleneck. The 15 W TDP makes it a good fit for ultraportable designs where power consumption is critical. However, users seeking any form of ray tracing or Vulkan support will need to look elsewhere, as the card lacks those features. In summary, this is a legacy part for basic use, not for gaming or content creation. The 55 nm process and 242 million transistors indicate a relatively mature manufacturing node, but the small die size and low transistor count limit the card’s ability to handle complex shader workloads. It might still be found in older laptops used for word processing, web browsing, or video playback, but even those tasks could strain the limited memory bandwidth if the system is under load. The 50th percentile ranking is a neutral indicator; it does not recommend the card for any specific use case beyond the most fundamental graphics needs.

Benchmark Performance

The fact pack lists an average benchmark score of 0 and an empty benchmarks array, so there are no measured results to analyze. The only quantitative performance indicators are the theoretical fill rates and compute throughput. The pixel rate of 2.720 GPixel/s and texture rate of 5.440 GTexel/s are derived from the 4 ROPs and 8 TMUs, respectively, at the core clock—though the core clock itself is not listed. The FP32 throughput of 108.8 GFLOPS is the product of 80 shaders and a clock speed not specified. These numbers represent the absolute maximum throughput under ideal conditions. In practice, real-world performance will be lower due to memory latency and other bottlenecks. The 12.00 GB/s memory bandwidth is the most restrictive factor; it limits the rate at which textures and vertex data can be fetched. For a 64-bit bus, this is typical, but it means that even the modest compute capability may be underutilized. Without rival scores, we cannot state a percentage advantage or disadvantage. The 50th percentile ranking is the only comparative metric, and it indicates that the card sits in the middle of the historical GPU distribution—but that distribution includes many integrated and very old parts, so the absolute performance is still low by modern standards. The pixel rate of 2.720 GPixel/s translates to roughly 2.7 million pixels per second, which is sufficient for a 1080p display at low frame rates, but not for any real-time 3D rendering beyond simple scenes. The texture rate of 5.440 GTexel/s similarly limits the complexity of textured surfaces. These figures, when combined with the small frame buffer, paint a clear picture of a GPU that was never intended for demanding workloads.

Power and Cooling

The HD 545v has a thermal design power of 15 W. This is a very low power draw, allowing it to be used in thin-and-light notebooks without active cooling. The card is an MXM module, specifically MXM-A (3.0) bus interface, and it requires no external power connectors—the slot itself provides sufficient power. The absence of a suggested PSU in the fact pack reinforces that this is a mobile part, not a desktop card. The 55 nm process and 242 million transistors contribute to the low power envelope. Because there are no power connectors, installation is straightforward in any MXM-A compatible laptop. The display outputs are listed as 'Portable Device Dependent', meaning the actual video outputs (LVDS, eDP, etc.) are determined by the laptop manufacturer, not the GPU itself. This is common for mobile GPUs. The 15 W TDP also means that cooling solutions can be minimal—a small heatsink or even passive cooling might suffice, though the fact pack does not specify any cooler requirements. The slot width is listed as MXM Module, which is a standard form factor for notebook graphics, and the bus interface is MXM-A (3.0), indicating compatibility with systems that support that revision. Given the low power draw, the HD 545v will not generate significant heat, making it suitable for ultraportable chassis where thermal management is a priority. However, the lack of a suggested PSU is not a concern, as the card draws power directly from the MXM slot, which is designed to supply up to 15 W or more. In summary, the power and cooling profile is one of the card’s strongest attributes, enabling deployment in very thin devices.