AMD Instinct MI350P vs AMD Radeon RX 6550M Comparison

Head-to-Head Benchmarks

The recorded data for these two AMD accelerators presents an unusual comparison, as the Instinct MI350P has no benchmark entries in the database while the Radeon RX 6550M has two recorded scores. The MI350P's average benchmark score is listed as zero, and it holds a 50th percentile position among all GPUs. In contrast, the RX 6550M delivers an average benchmark score of 46,702 and sits at the 85th percentile, indicating that it outperforms the majority of recorded graphics hardware in the database.

The RX 6550M's individual benchmark results show a Geekbench OpenCL score of 42,536 and a Geekbench Vulkan score of 50,867. These figures place the mobile GPU clearly ahead of the MI350P in terms of measured compute performance, since the Instinct part has no recorded scores to compare. The difference is stark: the MI350P's zero benchmark average versus the RX 6550M's 46,702 average represents a substantial gap in measured outcomes.

Looking at the RX 6550M's nearest rivals provides context for its performance tier. The Intel Arc A530M records an average score of 46,614, which is just 0.2% higher than the RX 6550M. The AMD Radeon RX 5600M achieves 46,601, also 0.2% ahead. The NVIDIA RTX A2000 scores 46,043, placing it 1.4% behind the RX 6550M. The NVIDIA RTX 5880 Ada Generation trails by 1.6% with a score of 45,972. These narrow margins indicate that the RX 6550M competes in a tightly packed performance cluster where differences between products are minimal.

The MI350P, by contrast, has no nearest rivals listed and no benchmark scores to establish a performance baseline. Its 50th percentile ranking is a default position rather than a measured outcome, as the database assigns this value without recorded test data. The RX 6550M's 85th percentile, however, reflects genuine benchmark participation and places it well above the median GPU in the database.

The Verdict

The data points to a clear conclusion: the Radeon RX 6550M is the only one of these two products with measurable benchmark performance. Its average score of 46,702 and 85th percentile ranking demonstrate that it delivers competitive results within its peer group, as evidenced by the narrow delta percentages against the Intel Arc A530M, AMD Radeon RX 5600M, NVIDIA RTX A2000, and NVIDIA RTX 5880 Ada Generation.

The Instinct MI350P, despite its massive specifications, has no recorded benchmark data. Its 50th percentile is a neutral placeholder, not a performance indicator. Any assessment of the MI350P must rely on architectural specifications rather than measured outcomes, since the database contains no test results for this accelerator.

For users seeking a GPU with verified performance, the RX 6550M is the only viable choice from these two options. Its Vulkan score of 50,867 and OpenCL score of 42,536 provide concrete evidence of its capabilities. The MI350P, with its zero benchmark average, cannot be evaluated through the database's performance metrics.

Architecture Differences

The architectural gap between these two AMD products is substantial. The Instinct MI350P uses the CDNA 4.0 architecture on a 3 nm process from TSMC, while the Radeon RX 6550M employs RDNA 2.0 on a 6 nm node, also from TSMC. The MI350P's die measures 1190 mm² with 73,000 million transistors, yielding a transistor density of 61.3 million per mm². The RX 6550M's Navi 24 chip is 107 mm² with 5,400 million transistors and a density of 50.5 million per mm².

Compute resources differ dramatically. The MI350P packs 8,192 shading units, 512 texture mapping units, and zero ROPs, reflecting its compute-focused design. The RX 6550M has 1,024 shading units, 64 TMUs, and 32 ROPs, plus 16 ray tracing cores. The MI350P has no ray tracing cores listed. The MI350P's texture rate reaches 1,126.4 GTexel/s, while the RX 6550M manages 181.8 GTexel/s. Pixel rates show 0 MPixel/s for the MI350P versus 90.88 GPixel/s for the RX 6550M.

Floating-point performance tells a similar story. The MI350P delivers 36.04 TFLOPS in both FP32 and FP16 with a 1:1 ratio. The RX 6550M provides 5.816 TFLOPS in FP32 and 11.63 TFLOPS in FP16 with a 2:1 ratio. Clock speeds also differ: the MI350P runs at a 1000 MHz base and 2200 MHz boost, while the RX 6550M operates at 2000 MHz base, 2560 MHz game clock, and 2840 MHz boost.

Memory configurations are entirely different classes. The MI350P uses 144 GB of HBM3e on an 8192-bit bus with 8.19 TB/s bandwidth. The RX 6550M has 4 GB of GDDR6 on a 64-bit bus with 144.0 GB/s bandwidth. Memory clocks show 2000 MHz with 8 Gbps effective for the MI350P and 2250 MHz with 18 Gbps effective for the RX 6550M.

Power and physical specifications also diverge. The MI350P has a 600 W TDP, requires a 1000 W suggested PSU, uses a dual-slot design with one 16-pin power connector, and measures 267 mm by 111 mm by 40 mm. The RX 6550M has an 80 W TDP, no power connectors, an IGP slot width, and dimensions dependent on the portable device. The MI350P offers no display outputs, while the RX 6550M provides outputs dependent on the portable device.

The MI350P supports PCIe 5.0 x16, whereas the RX 6550M uses PCIe 4.0 x4. The MI350P lists no API support for DirectX, OpenGL, or Vulkan, while the RX 6550M supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The MI350P's release date is May 6, 2026, and it follows the Radeon Instinct line. The RX 6550M released January 3, 2023, succeeding Polaris Mobile, and remains active in production.

FAQ

Q: Which GPU has a higher benchmark score?

A: The Radeon RX 6550M has an average benchmark score of 46,702, while the Instinct MI350P has a recorded average of 0. The RX 6550M also holds an 85th percentile ranking versus the MI350P's 50th percentile.

Q: What are the RX 6550M's individual benchmark results?

A: The RX 6550M scores 42,536 in Geekbench OpenCL and 50,867 in Geekbench Vulkan.

Q: How does the RX 6550M compare to its nearest rivals?

A: The Intel Arc A530M leads by 0.2% with 46,614, the AMD Radeon RX 5600M trails by 0.2% at 46,601, the NVIDIA RTX A2000 is 1.4% behind at 46,043, and the NVIDIA RTX 5880 Ada Generation is 1.6% behind at 45,972.

Q: What process nodes do these GPUs use?

A: The MI350P uses a 3 nm process from TSMC, while the RX 6550M uses a 6 nm process, also from TSMC.

Q: How much memory does each GPU have?

A: The MI350P has 144 GB of HBM3e memory on an 8192-bit bus with 8.19 TB/s bandwidth. The RX 6550M has 4 GB of GDDR6 on a 64-bit bus with 144.0 GB/s bandwidth.

Q: What is the TDP difference between the two?

A: The MI350P has a 600 W TDP with a 1000 W suggested PSU, while the RX 6550M has an 80 W TDP with no suggested PSU listed.

Where Each One Wins

The Radeon RX 6550M wins decisively in every measured benchmark category. Its average score of 46,702, OpenCL score of 42,536, and Vulkan score of 50,867 are the only recorded performance data in this comparison. The 85th percentile ranking places it ahead of the majority of GPUs in the database. In its peer group, the RX 6550M sits within 1.6% of four rival products, showing competitive performance in the mobile and workstation segment.

The Instinct MI350P wins in raw architectural specifications. Its 8,192 shading units, 512 TMUs, 1,126.4 GTexel/s texture rate, and 36.04 TFLOPS FP32 performance dwarf the RX 6550M's 1,024 shading units, 64 TMUs, 181.8 GTexel/s, and 5.816 TFLOPS. The 144 GB HBM3e memory with 8.19 TB/s bandwidth vastly exceeds the 4 GB GDDR6 with 144.0 GB/s. The 73,000 million transistors and 1190 mm² die size indicate a far larger and more complex chip.

For compute-oriented workloads that prioritize massive memory capacity and bandwidth, the MI350P's specifications suggest superior capability, though no benchmark data confirms this. The 8192-bit memory bus and 8.19 TB/s bandwidth are unmatched in the database's record for this comparison. The 3 nm process node also gives the MI350P a manufacturing advantage in transistor density at 61.3 million per mm² versus 50.5 million per mm².

For graphics rendering and consumer-facing tasks, the RX 6550M is the clear winner. Its 32 ROPs deliver 90.88 GPixel/s pixel throughput, whereas the MI350P has zero ROPs and 0 MPixel/s. The RX 6550M supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, making it suitable for gaming and general graphics APIs. The MI350P lists no API support at all.

The RX 6550M also wins on power efficiency in practical terms, with an 80 W TDP versus 600 W. Its compact IGP form factor and lack of power connectors make it appropriate for portable devices, while the MI350P requires a dual-slot chassis, a 16-pin connector, and a 1000 W PSU. The RX 6550M's 6 nm process and 107 mm² die make it a small, efficient component.

In terms of production status, the RX 6550M is marked active, while the MI350P has no production status recorded. The RX 6550M's January 2023 release date gives it a longer presence in the market, whereas the MI350P's May 2026 date lies in the future relative to the data. Each product targets a distinct purpose: the MI350P for compute acceleration with no display outputs, and the RX 6550M for mobile graphics with portable-device-dependent displays.