ATI Mobility Radeon X700

The ATI Mobility Radeon X700 is an end-of-life mobile graphics processor from AMD, built around the M26 chip and the R400 architecture. TSMC produced the chip on a 110 nm process with 120 million transistors in a 156 mm² die, yielding a transistor density of 769.2K per mm². The GPU connects through a PCIe 1.0 x16 bus interface and belongs to the M2x (Mobility X1) generation. The database places the X700 at the 50th percentile among all GPUs, but records an average benchmark score of 0 and no nearest rivals, so the percentile is the only positional data available.

Benchmark Performance

The benchmark record for the Mobility Radeon X700 is empty rather than contested. The database shows an average benchmark score of 0, which indicates no measured application results are on file, and the nearestRivals list contains no entries. Exact percentage deltas against specific cards therefore cannot be stated. The absence of recorded scores also means no frame-rate or synthetic-index comparison can be made.

What the data does provide is the fixed-function throughput. The GPU contains 8 TMUs and 4 ROPs, producing a texture rate of 2.800 GTexel/s and a pixel rate of 1.400 GPixel/s. The pixel rate is exactly half the texture rate, matching the fact that there are twice as many TMUs as ROPs. In fill-rate-bound scenes, the 4 ROPs cap pixel output while the TMUs keep texture work ahead of it.

The percentile field is the other benchmark marker. A percentileVsAllGpus value of 50 places the X700 at the median of the database's GPU population. That median position suggests a mid-pack design, though without rival scores or deltas the rank cannot be converted into a margin against any named part. The generation identifier M2x (Mobility X1) and the R400 architecture further locate the design, while the DirectX 9.0b (9_2) API support indicates the intended software environment. In short, the data defines the X700 by its specifications and its midpoint percentile, not by measured performance.

Memory Subsystem

The Mobility Radeon X700 ships with 128 MB of DDR memory on a 128-bit bus. The memory clock is 300 MHz with a 600 Mbps effective data rate, and the resulting bandwidth is 9.600 GB/s. That figure is the hard ceiling for data moving between the GPU and its frame buffer.

This memory configuration determines the card's resolution behavior more than any other spec. High resolutions demand large color buffers, depth buffers, and textures; a 128 MB buffer can be exhausted quickly, forcing the GPU to fall back on reuse or reloading. When that happens, the 9.600 GB/s pipe becomes the limiting factor. The 128-bit bus width is the physical path that supports that bandwidth, and at 300 MHz it cannot widen the pipe further.

For a part at the 50th percentile, these numbers fit a mid-range position. The X700 is not equipped for high-resolution, high-texture workloads because the memory capacity and bandwidth are both fixed. The memory clock and effective rate are listed as 300 MHz / 600 Mbps, with no alternative setting recorded. No core clock is listed, so the memory subsystem is the only clock-based constraint available for analysis.

Who Should Consider It

The X700 is a candidate for workloads that respect its 128 MB memory and 9.600 GB/s bandwidth. Low-resolution rendering and moderate-detail scenes stay within the buffer's capacity; high-resolution rendering is more likely to exceed it. The 50th percentile placement reinforces a middle-tier scenario: the GPU is neither a high-end part nor an entry-level one.

The absence of benchmark scores means no database-backed frame-rate recommendation is possible. Instead, the limiting specs are the 4 ROPs, which cap pixel throughput at 1.400 GPixel/s, and the memory bandwidth of 9.600 GB/s. Applications written for DirectX 9.0b (9_2) or OpenGL 2.1 are the listed software targets. The successor M5x is the natural upgrade path for users needing more capability, though its scores are not recorded here. Users should treat the X700 as a resolution-limited part: the smaller the buffer demand, the more comfortable the workload.

How It Compares

The nearestRivals field is empty, so a rival-by-rival comparison cannot be built from the FACT PACK. There are no rival names, no rival scores, and no deltaPct values to cite. The sole comparative anchor is the percentileVsAllGpus value of 50, which places the X700 at the median of all GPUs in the database. The average benchmark score of 0 confirms that no measured application data exists to position the card against others.

What remains are internal comparisons. The 8 TMUs outnumber the 4 ROPs by two to one, matching the 2.800 GTexel/s texture rate versus the 1.400 GPixel/s pixel rate. The memory side is equally self-consistent: a 128-bit bus at 300 MHz yields 9.600 GB/s. Because the X700 sits at the 50th percentile, users can infer it is exactly in the middle of the database's GPU ranking, above the lower half and below the upper half.

FAQ

Q: What memory configuration does the Mobility Radeon X700 use?

A: It uses 128 MB of DDR memory on a 128-bit bus. The memory clock is 300 MHz, the effective data rate is 600 Mbps, and the bandwidth is 9.600 GB/s.

Q: Which APIs are supported?

A: The listed APIs are DirectX 9.0b (9_2) and OpenGL 2.1. Vulkan is not listed, and no RT or tensor cores are present.

Q: What process was this GPU built on?

A: TSMC built the M26 chip on a 110 nm process. It contains 120 million transistors on a 156 mm² die, for a transistor density of 769.2K per mm².

Q: What are the pixel and texture rates?

A: The pixel fill rate is 1.400 GPixel/s and the texture fill rate is 2.800 GTexel/s, produced by 4 ROPs and 8 TMUs.

Q: When did this GPU launch and is it still available?

A: The release date is 2005-02-28. The production status is end-of-life, with the M1x as predecessor and the M5x as successor.

Q: What bus interface does it use?

A: The Mobility Radeon X700 uses PCIe 1.0 x16. No display output list is recorded.

Power and Cooling

The database records no TDP for the Mobility Radeon X700. It also lists no suggested PSU and no power connector requirements, so wattage and cooler sizing cannot be stated from the FACT PACK. The only physical manufacturing data available is the 110 nm process and the 120 million transistor count. These facts describe the chip's fabrication, not its thermal behavior.

Because this is a mobile part, desktop power supply guidance is not applicable in the same way as for discrete cards. The absence of a TDP value means the entry cannot offer a PSU recommendation. No slot width or dimensions are listed either, so installation clearance is also unsupported.

Ray Tracing and Feature Set

The X700 has no RT cores and no tensor cores in the database record. Hardware-accelerated ray tracing and tensor-based acceleration are therefore not part of its feature set. The supported APIs are DirectX 9.0b (9_2) and OpenGL 2.1; Vulkan is absent.

The architecture is R400, implemented in the M26 chip, with the generation identifier M2x (Mobility X1). This places the design in an era before dedicated ray tracing hardware. The fixed-function resources are 8 TMUs and 4 ROPs, which produce the pixel rate of 1.400 GPixel/s and the texture rate of 2.800 GTexel/s. No shading unit count is recorded, so the TMU and ROP counts are the only compute-related resource listings. The PCIe 1.0 x16 bus interface is the connection path, and the DirectX 9.0b (9_2) feature level describes the software interface. Newer API features cannot be assumed beyond what is listed.