AMD Radeon R9 M370X Mac Edition

The AMD Radeon R9 M370X Mac Edition is a mobile graphics processor built on the GCN 1.0 architecture, manufactured by AMD on a 28 nm process at TSMC. It belongs to the Gem System generation (R9 M300) and uses the Tropo chip, integrating 1,500 million transistors on a 123 mm² die. With a 50th-percentile ranking among all GPUs in the database, it occupies a middle position in the performance spectrum. The card is designated as end-of-life and was released on 2015-05-04, succeeding the Solar System generation and preceding Polaris Mobile.

Power and Cooling

The data pack does not list a TDP, power connector requirements, or a suggested PSU for this card. Consequently, any power-draw figure would be speculative and is omitted here. What is known: the chip is fabricated on TSMC's 28 nm process, which is an older node, and the die measures 123 mm² with a transistor density of 12.2M / mm². The transistor count of 1,500 million suggests a mid-range power envelope, but without a TDP number, the thermal design cannot be quantified. The bus interface is PCIe 3.0 x16, and in a Mac system, the card would draw power through the slot and any additional connectors — but the data does not specify whether such connectors exist. Cooling requirements are likewise unspecified; the absence of a TDP means no fan or heatsink recommendation can be derived from the data. The 28 nm process is less efficient than modern nodes, which typically implies higher heat output for a given performance level, but again, no numeric thermal metric is provided. The card's end-of-life status suggests it has been superseded, and its power characteristics are part of a legacy design.

In the absence of a TDP, the only power-related data points are the clock speeds and the process node. The base clock of 775 MHz and boost clock of 800 MHz are modest, and the memory runs at 1125 MHz with an effective data rate of 4.5 Gbps. These clocks, combined with the 28 nm process, place the card in a low-to-mid power band, but no wattage figure can be cited. The PCIe 3.0 x16 interface is the only connection detail; no auxiliary power connectors are listed, which may indicate a slot-powered design, but the data does not confirm this. For a system builder, the lack of a PSU recommendation means the card's power draw must be estimated from the GPU's overall specifications, which are too sparse to yield a reliable number. The 12.2M / mm² transistor density is a measure of how tightly the 1,500 million transistors are packed into the 123 mm² die, and it is consistent with a 28 nm process. Without a TDP, the cooling solution is left to the system integrator, and the data provides no guidance on airflow or heatsink requirements.

Who Should Consider It

The R9 M370X Mac Edition sits at the 50th percentile of all GPUs in the database, indicating a median performance level. With 640 shading units, 40 texture mapping units, and 16 raster output units, the card delivers a pixel rate of 12.80 GPixel/s and a texture rate of 32.00 GTexel/s. These figures suggest it is suited for mainstream gaming at moderate settings, though the data does not specify resolutions. The FP32 compute throughput of 1,024.0 GFLOPS reinforces the mid-range positioning. Users who play older or less demanding titles, or who run applications that are not heavily GPU-bound, would find this card adequate. However, the 2 GB VRAM and 128-bit memory bus limit its ability to handle high-resolution textures and large frame buffers. The card is a Mac Edition, so it is intended for Apple systems; the data does not list display outputs, so connectivity options are unknown. Given the end-of-life status, it is not a current purchase recommendation, but for legacy Macs that require a compatible GPU, it remains a viable option. The 50th percentile ranking means half of all GPUs in the database perform better and half perform worse, which places it firmly in the middle of the pack — neither a high-end part nor an entry-level one. For users who prioritize low power consumption, the modest clock speeds of 775 MHz base and 800 MHz boost suggest a conservative power profile, but again, no TDP is available to confirm this.

Memory Subsystem

The memory subsystem consists of 2 GB of GDDR5 running at a memory clock of 1125 MHz, with an effective data rate of 4.5 Gbps. The bus width is 128 bit, yielding a total bandwidth of 72.00 GB/s. This configuration is modest by modern standards. The 2 GB capacity is sufficient for standard-definition textures and moderate detail levels, but it becomes a bottleneck at high resolutions where frame buffers grow. The 128-bit bus is narrower than buses found on higher-end cards, and the resulting 72.00 GB/s bandwidth limits the rate at which texture and geometry data can be fed to the shading units. The memory clock of 1125 MHz is the actual clock, and the 4.5 Gbps effective rate reflects the GDDR5 double-data-rate transfer. For high-resolution workloads, the 2 GB capacity is likely to be the primary constraint, as larger frame buffers exceed this allocation. The 128-bit bus also limits the memory parallelism, meaning that even if the capacity were larger, the bandwidth would still cap performance in bandwidth-sensitive scenarios. The 72.00 GB/s figure is the product of the 128-bit bus width and the 4.5 Gbps effective data rate, and it represents the maximum data transfer rate between the GPU and its VRAM. This is an important metric for understanding how the card handles high-resolution textures and anti-aliasing, both of which consume memory bandwidth.

How It Compares

The data pack's nearestRivals field is empty, meaning the database contains no rival GPU entries for this card. As a result, no direct comparison to specific competing products can be made using the provided data. The only positioning reference is the 50th percentile, which indicates that the card performs at the median of all GPUs tracked by the database. Without rival names, scores, or deltaPct values, any attempt to compare against a named product would be unsupported by the data. The card's predecessor is listed as Solar System and its successor as Polaris Mobile, which provides a generational context: it sits between those two families. The 28 nm process and GCN 1.0 architecture are shared with other GPUs of its era, but no specific rivals are enumerated. Therefore, this section must remain limited to the observation that the data does not support a comparative analysis. The card's end-of-life status further reduces the relevance of head-to-head comparisons, as it is no longer in production. The 50th percentile is the sole quantitative anchor, and it indicates that the card is neither a standout performer nor a laggard; it is a median part. Without rival entries, the database effectively treats this GPU as an isolated data point, and any user seeking a comparison must look to the percentile as the only reference.

Benchmark Performance

The benchmarks array for this GPU is empty, and the average benchmark score is 0. This means no recorded benchmark results exist in the database. Consequently, there are no scores to analyze and no deltaPct values to report. The only performance-related data points are the theoretical peak figures: FP32 compute of 1,024.0 GFLOPS, pixel rate of 12.80 GPixel/s, and texture rate of 32.00 GTexel/s. These are derived from the clock speeds and unit counts: the FP32 figure is consistent with the 640 shading units operating at the boost clock, the pixel rate comes from the 16 ROPs, and the texture rate comes from the 40 TMUs. The base clock of 775 MHz and boost clock of 800 MHz are close, indicating a narrow dynamic range. The pixel rate of 12.80 GPixel/s is a product of the 16 ROPs and the boost clock, while the texture rate of 32.00 GTexel/s comes from the 40 TMUs. These numbers place the card in the mid-range tier, consistent with the 50th percentile ranking. Without benchmark scores, it is impossible to assess real-world performance in specific applications, but the theoretical figures provide a baseline. The 50th percentile suggests that in a typical workload mix, the card would outperform half of the GPUs in the database and underperform the other half. The lack of recorded benchmarks is notable for an end-of-life product, as it indicates the database has not captured performance data for this part. The FP32 figure of 1,024.0 GFLOPS is the peak single-precision compute throughput, and it is a useful reference for comparing the card's raw compute capability to its memory bandwidth of 72.00 GB/s; the balance between these two figures determines how well the card handles compute-heavy versus bandwidth-heavy workloads.

FAQ

Q: What is the memory configuration of the AMD Radeon R9 M370X Mac Edition?

A: It has 2 GB of GDDR5 memory with a 128-bit bus, a memory clock of 1125 MHz, an effective data rate of 4.5 Gbps, and a total bandwidth of 72.00 GB/s.

Q: Which API versions are supported?

A: The card supports DirectX 12 (11_1), OpenGL 4.6, and Vulkan 1.2.170.

Q: What is the process node and die size?

A: The GPU is fabricated on TSMC's 28 nm process, with a die size of 123 mm² and a transistor count of 1,500 million, giving a transistor density of 12.2M / mm².

Q: What is the production status and release date?

A: The card is end-of-life and was released on 2015-05-04.

Q: What is the bus interface?

A: The card uses a PCIe 3.0 x16 bus interface.

Q: What is the shading unit configuration?

A: It has 640 shading units, 40 texture mapping units, and 16 raster output units.