ATI Mobility Radeon X300 IGP

The ATI Mobility Radeon X300 IGP is an integrated graphics processor from AMD, built on the R300 architecture and fabricated on a 110 nm process. It integrates 107 million transistors on a 74 mm² die, yielding a transistor density of 1.4M / mm². This part is designed for portable devices, as indicated by its "Portable Device Dependent" display outputs and its IGP slot width. It is now end-of-life, with a successor listed as TeraScale IGP. The database provides no benchmark scores for this GPU, and its average benchmark score is 0, with an empty benchmark list. Its percentile rank among all GPUs is 50, placing it at the median of the distribution, though no quantitative performance data supports this rank.

How It Compares

The FACT PACK lists no nearest rivals for the ATI Mobility Radeon X300 IGP, so a direct comparative analysis against competing GPUs is not possible. The database does place it at the 50th percentile among all GPUs, indicating a median position in the overall performance distribution, but without any recorded benchmark scores, this percentile cannot be interpreted as a meaningful performance metric. The average benchmark score of 0 and the empty benchmarks array confirm that no performance measurements have been captured for this part.

In the absence of rival data, the X300 IGP's position must be inferred from its architectural specifications. Its R300 architecture supports DirectX 9.0 and OpenGL 2.0, which places it in a generation of GPUs that offered fixed-function pipelines with limited programmable shader capabilities. The pixel fill rate of 600.0 MPixel/s and texture fill rate of 600.0 MTexel/s are equal, suggesting a balanced design where the 2 TMUs and 2 ROPs operate at the same frequency. These absolute rates are modest, but without rival scores, their relative standing cannot be assessed. The successor, TeraScale IGP, represents a later generation, but no performance data is available for that part either. Consequently, the X300 IGP's competitive standing remains undefined within the database.

Who Should Consider It

The ATI Mobility Radeon X300 IGP is an integrated graphics solution intended for portable systems where a discrete GPU is not feasible. Its support for DirectX 9.0 and OpenGL 2.0 makes it compatible with applications that rely on these API versions, though software requiring later versions will not run. The fill rates of 600.0 MPixel/s and 600.0 MTexel/s indicate that it can handle basic 2D rendering and light 3D workloads, but the lack of dedicated VRAM means that performance at higher display resolutions will be heavily dependent on the host system's memory bandwidth and capacity. Because the memory bus width and bandwidth are listed as "System Shared" and "System Dependent" respectively, the effective performance will vary across different platforms. Users with legacy applications that target DirectX 9.0 and who are operating on a portable device with this IGP may find it sufficient for basic tasks, but for any demanding 3D rendering, a discrete GPU would be necessary. The part is end-of-life, so it is only relevant to existing systems that already contain this integrated processor.

Benchmark Performance

Benchmark data for the ATI Mobility Radeon X300 IGP is entirely absent from the FACT PACK. The benchmarks array is empty, and the average benchmark score is 0. Consequently, any performance assessment must rely on theoretical specifications. The pixel rate is 600.0 MPixel/s, and the texture rate is 600.0 MTexel/s. With 2 ROPs and 2 TMUs, these rates imply that each unit processes one operation per clock cycle, though the clock frequency is not listed. The equality of the two rates suggests a design where pixel and texture throughput are balanced, which is typical for a low-cost integrated part. The lack of shading unit data (null) and FP32/FP16 throughput fields means that compute performance cannot be evaluated. The DirectX 9.0 and OpenGL 2.0 support indicate a fixed-function pipeline with limited shader capabilities. The transistor density of 1.4M / mm² on a 110 nm process is a measure of integration efficiency, but it does not directly translate to performance. Given the absence of benchmark results, the X300 IGP's performance relative to any other GPU cannot be quantified. The 50th percentile rank is the only comparative metric, but without scores, its meaning is ambiguous. The fill rates themselves are modest in absolute terms, but without rival data, they cannot be placed in a performance hierarchy.

FAQ

Q: What is the process node of the ATI Mobility Radeon X300 IGP?

A: The process node is 110 nm.

Q: What is the memory configuration?

A: The memory size, type, and bus width are all listed as "System Shared", with bandwidth described as "System Dependent".

Q: What DirectX version does it support?

A: It supports DirectX 9.0 and OpenGL 2.0.

Q: How many texture mapping units (TMUs) and raster output units (ROPs) does it have?

A: It has 2 TMUs and 2 ROPs.

Q: What is the production status?

A: The production status is "End-of-life".

Q: What is the bus interface?

A: The bus interface is PCIe 1.0 x16.

Memory Subsystem

The ATI Mobility Radeon X300 IGP utilizes system shared memory for all graphics memory operations. The memory size, type, and bus width are all designated as "System Shared", meaning there is no dedicated VRAM on the graphics processor. The bandwidth is listed as "System Dependent", indicating that the effective memory throughput is determined by the host system's memory controller and system RAM configuration. This architecture has significant implications for high-resolution operation. Because the GPU must share memory bandwidth with the CPU and other system components, performance at higher display resolutions can be constrained by the available system memory bandwidth. The bus interface of PCIe 1.0 x16 provides a connection to the host, but the actual data transfer rates for graphics are contingent on the shared memory subsystem. The lack of a dedicated memory bus means that memory latency and bandwidth are subject to system-level contention. For users running applications that demand high memory bandwidth, such as large textures or high-resolution framebuffers, the X300 IGP's performance will be limited by the system's memory capabilities. The "System Dependent" bandwidth field underscores that no fixed performance number can be assigned; instead, the memory subsystem performance varies with the host platform. This design is typical for integrated graphics, where cost and power savings are prioritized over peak memory performance. The absence of a dedicated VRAM also means that texture caching and frame buffer operations rely entirely on system RAM, which can introduce additional latency compared to discrete solutions. Consequently, the X300 IGP's memory subsystem is a flexible but unpredictable component, with its ultimate performance tied directly to the host system's memory configuration.