AMD Instinct MI300X vs NVIDIA GeForce RTX 4050 Max-Q Comparison

The Verdict

The AMD Instinct MI300X and NVIDIA GeForce RTX 4050 Max-Q occupy entirely different segments of the GPU market, and the recorded data reflects this divide clearly. The MI300X is a data center accelerator with a single OpenCL benchmark score of 317,994, placing it in the 100th percentile of all GPUs. The RTX 4050 Max-Q is a mobile integrated graphics processor with no recorded benchmark scores and a 50th percentile ranking. For compute workloads that leverage OpenCL, the MI300X is the dominant choice. The RTX 4050 Max-Q, based on its specifications, is designed for portable systems where power consumption and physical footprint are the primary constraints. The data shows no overlap in intended use cases: the MI300X targets high-throughput acceleration, while the RTX 4050 Max-Q targets efficient mobile rendering.

Where Each One Wins

The MI300X wins decisively in raw compute throughput. Its FP32 performance is recorded at 81.72 TFLOPS, which is approximately 9.9 times the RTX 4050 Max-Q's 8.218 TFLOPS. The texture rate follows the same pattern, with the MI300X delivering 2,553.6 GTexel/s against the RTX 4050 Max-Q's 128.4 GTexel/s. Memory bandwidth strongly favors the MI300X as well, with 5.32 TB/s from HBM3 compared to 192.0 GB/s from GDDR6 on the RTX 4050 Max-Q. The MI300X also holds a massive memory capacity advantage at 192 GB versus 6 GB.

The RTX 4050 Max-Q wins in areas related to graphics output and feature support. It has a pixel rate of 77.04 GPixel/s, while the MI300X records 0 MPixel/s, as it has no display outputs. The RTX 4050 Max-Q supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, whereas the MI300X lists all APIs as N/A. The RTX 4050 Max-Q also includes dedicated ray tracing cores (20) and tensor cores (80), features that are absent from the MI300X specification. Power consumption heavily favors the RTX 4050 Max-Q, with a TDP of 35 W compared to the MI300X's 750 W.

Architecture Differences

The two GPUs use different architectures from different manufacturers. The MI300X is built on AMD's CDNA 3.0 architecture with the Aqua Vanjaram chip, while the RTX 4050 Max-Q uses NVIDIA's Ada Lovelace architecture with the AD107 chip. Both are fabricated on a 5 nm process at TSMC, but the transistor counts diverge significantly. The MI300X contains 153,000 million transistors on a 1017 mm² die, resulting in a transistor density of 150.4M per mm². The RTX 4050 Max-Q has 18,900 million transistors on a 159 mm² die, with a density of 118.9M per mm². The die size difference is substantial, reflecting the MI300X's server-oriented design.

Memory architectures are fundamentally different. The MI300X uses 192 GB of HBM3 with an 8192-bit bus and 5.32 TB/s bandwidth. The RTX 4050 Max-Q uses 6 GB of GDDR6 with a 96-bit bus and 192.0 GB/s bandwidth. The MI300X has no display outputs, while the RTX 4050 Max-Q's outputs are portable device dependent. The MI300X uses an OAM Module slot width and has no power connectors, while the RTX 4050 Max-Q is an IGP with no power connectors either. The bus interfaces differ as well: the MI300X uses PCIe 5.0 x16, and the RTX 4050 Max-Q uses PCIe 4.0 x8.

The shading unit count shows the scale of the MI300X: 19,456 shading units versus 2,560 on the RTX 4050 Max-Q. Texture mapping units are 1,216 on the MI300X and 80 on the RTX 4050 Max-Q. The MI300X has 0 ROPs, while the RTX 4050 Max-Q has 48. The MI300X does not list ray tracing or tensor cores, but the RTX 4050 Max-Q includes 20 ray tracing cores and 80 tensor cores. Clock speeds also differ, with the MI300X running at a 1000 MHz base and 2100 MHz boost, while the RTX 4050 Max-Q runs at 1140 MHz base and 1605 MHz boost.

FAQ

Q: Which GPU has the higher benchmark score?

A: The AMD Instinct MI300X has a recorded Geekbench OpenCL score of 317,994, placing it in the 100th percentile of all GPUs. The NVIDIA GeForce RTX 4050 Max-Q has no recorded benchmark scores and sits in the 50th percentile.

Q: How do the memory capacities compare?

A: The MI300X has 192 GB of HBM3 memory with an 8192-bit bus and 5.32 TB/s bandwidth. The RTX 4050 Max-Q has 6 GB of GDDR6 memory with a 96-bit bus and 192.0 GB/s bandwidth.

Q: Does the RTX 4050 Max-Q support ray tracing?

A: Yes, the RTX 4050 Max-Q includes 20 ray tracing cores. The MI300X does not list any ray tracing cores in its specifications.

Q: What is the power consumption difference?

A: The MI300X has a TDP of 750 W with a suggested PSU of 1150 W. The RTX 4050 Max-Q has a TDP of 35 W and no suggested PSU listed.

Q: Which GPU supports more graphics APIs?

A: The RTX 4050 Max-Q supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The MI300X lists all three APIs as N/A.

Q: What is the transistor density difference?

A: The MI300X has a transistor density of 150.4M per mm² across 153,000 million transistors on a 1017 mm² die. The RTX 4050 Max-Q has a density of 118.9M per mm² across 18,900 million transistors on a 159 mm² die.

Head-to-Head Benchmarks

No direct head-to-head benchmark results exist in the database for these two GPUs. The MI300X has a single recorded Geekbench OpenCL score of 317,994, while the RTX 4050 Max-Q has no benchmark entries. To contextualize the MI300X's score, the database lists its nearest rivals. The NVIDIA H200 NVL scores 334,891, which is 5% higher than the MI300X. The NVIDIA B200 scores 345,482, which is 8% higher. The NVIDIA L40S scores 295,763, which is 7.5% lower than the MI300X. The NVIDIA RTX 6000 Ada Generation scores 287,237, which is 10.7% lower. These comparisons show the MI300X sitting in the middle of a high-performance data center field.

For the RTX 4050 Max-Q, the absence of benchmark data means no comparative analysis is possible from the recorded measurements. Its specifications indicate a mobile-focused design, but without scores, performance cannot be ranked against peers. The 50th percentile ranking reflects its position among all GPUs, but this is based on specification data rather than measured results.

The FP32 throughput difference between the two GPUs is the most striking computational gap. The MI300X delivers 81.72 TFLOPS, while the RTX 4050 Max-Q delivers 8.218 TFLOPS. This is a roughly 9.9x advantage for the MI300X. The texture rate shows a similar ratio: 2,553.6 GTexel/s versus 128.4 GTexel/s. The MI300X's memory bandwidth of 5.32 TB/s is over 27 times the RTX 4050 Max-Q's 192.0 GB/s. These figures reinforce the fundamental role separation between a server accelerator and a mobile GPU.

The RTX 4050 Max-Q counters with a pixel rate of 77.04 GPixel/s, a figure the MI300X cannot match because it records 0 MPixel/s. The RTX 4050 Max-Q also has a higher base clock at 1140 MHz versus 1000 MHz, though the MI300X's boost clock of 2100 MHz exceeds the RTX 4050 Max-Q's 1605 MHz. The RTX 4050 Max-Q's transistor density is lower at 118.9M per mm² versus 150.4M per mm², but its smaller die size of 159 mm² compared to 1017 mm² reflects a much more compact design.

Specification Differences

The specification table shows only the fields where the two GPUs differ. The MI300X uses AMD's CDNA 3.0 architecture with the Aqua Vanjaram chip, while the RTX 4050 Max-Q uses NVIDIA's Ada Lovelace architecture with the AD107 chip. The MI300X is in the Instinct (MIx) generation, and the RTX 4050 Max-Q is in the GeForce 40 Mobile generation. Both use TSMC's 5 nm process, but the MI300X has 153,000 million transistors versus 18,900 million on the RTX 4050 Max-Q. The die sizes are 1017 mm² and 159 mm² respectively.

Clock speeds differ: the MI300X runs at 1000 MHz base and 2100 MHz boost, while the RTX 4050 Max-Q runs at 1140 MHz base and 1605 MHz boost. Memory speeds are 5.2 Gbps effective on the MI300X and 16 Gbps effective on the RTX 4050 Max-Q. Memory size, type, bus width, and bandwidth all differ as noted above. Shading units are 19,456 on the MI300X versus 2,560 on the RTX 4050 Max-Q. TMUs are 1,216 versus 80, and ROPs are 0 versus 48. The MI300X has no ray tracing or tensor cores listed, while the RTX 4050 Max-Q has 20 ray tracing cores and 80 tensor cores.

Pixel rates are 0 MPixel/s on the MI300X and 77.04 GPixel/s on the RTX 4050 Max-Q. Texture rates are 2,553.6 GTexel/s versus 128.4 GTexel/s. FP32 performance is 81.72 TFLOPS versus 8.218 TFLOPS, and FP16 performance matches the FP32 figures on both. TDP is 750 W on the MI300X and 35 W on the RTX 4050 Max-Q. Slot widths are OAM Module versus IGP. The MI300X has a suggested PSU of 1150 W, while the RTX 4050 Max-Q has none listed. Bus interfaces are PCIe 5.0 x16 versus PCIe 4.0 x8. Display outputs are absent on the MI300X and portable device dependent on the RTX 4050 Max-Q. API support is N/A on the MI300X and includes DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 on the RTX 4050 Max-Q. Release dates are December 2023 for the MI300X and January 2023 for the RTX 4050 Max-Q. The MI300X's predecessor is Radeon Instinct, while the RTX 4050 Max-Q's predecessor is GeForce 30 Mobile and its successor is GeForce 50 Mobile.