AMD Radeon Pro Duo vs AMD Radeon RX 6550M Comparison

Head-to-Head Benchmarks

The database contains one direct benchmark comparison between the AMD Radeon RX 6550M and the AMD Radeon Pro Duo: Geekbench OpenCL. The results are decisive. The RX 6550M scores 42,536 points, while the Radeon Pro Duo scores 35,860 points. That is an 18.6% advantage for the newer card. This is not a marginal difference; it is a substantial gap that places the RX 6550M in a clearly higher performance tier within the database's ranking.

Looking at the broader context, the RX 6550M's average benchmark score across all recorded tests is 46,702, which puts it in the 85th percentile of all GPUs tracked. The Pro Duo's average score is 35,860, landing in the 80th percentile. The percentile difference may seem small, but the raw score gap is what matters. The RX 6550M sits 1.6% ahead of the NVIDIA RTX 5880 Ada Generation (average score 45,972), 1.4% ahead of the NVIDIA RTX A2000 (average score 46,043), and essentially tied with the Intel Arc A530M (46,614) and AMD Radeon RX 5600M (46,601), both within 0.2%.

The Radeon Pro Duo, by contrast, sits just 1% behind the NVIDIA Quadro GV100 (35,520) and 1.2% behind the NVIDIA GeForce RTX 5070 Ti Mobile (35,435). It actually trails the NVIDIA T1000 by 1.2% (36,289) and the AMD Radeon RX 5300M by 1.8% (36,529). In other words, the Pro Duo is competitive with mid-range professional and mobile GPUs from its era, but the RX 6550M is competing with, and beating, much more recent hardware.

The single head-to-head result tells the story clearly: in OpenCL, the RX 6550M wins outright, and the delta is significant enough that no other benchmark in the database would likely close the gap. The data shows a clean sweep: 1 win for the RX 6550M, 0 wins for the Pro Duo.

FAQ

Q: Which GPU has the higher average benchmark score?

A: The AMD Radeon RX 6550M has an average benchmark score of 46,702, compared to the AMD Radeon Pro Duo's 35,860. That represents an 18.6% difference in the head-to-head OpenCL test.

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

A: The RX 6550M is virtually tied with the Intel Arc A530M (46,614) and AMD Radeon RX 5600M (46,601), both within 0.2%. It is 1.4% ahead of the NVIDIA RTX A2000 (46,043) and 1.6% ahead of the NVIDIA RTX 5880 Ada Generation (45,972).

Q: Where does the Radeon Pro Duo rank among its nearest competitors?

A: The Pro Duo (35,860) is 1% behind the NVIDIA Quadro GV100 (35,520) and 1.2% behind the NVIDIA GeForce RTX 5070 Ti Mobile (35,435). It is 1.2% ahead of the NVIDIA T1000 (36,289) and 1.8% ahead of the AMD Radeon RX 5300M (36,529), though note those two rivals actually score higher, meaning the Pro Duo trails them.

Q: What is the memory configuration of each card?

A: The RX 6550M has 4 GB of GDDR6 memory on a 64-bit bus with 144.0 GB/s bandwidth. The Radeon Pro Duo also has 4 GB, but it uses HBM on a 4096-bit bus with 512.0 GB/s bandwidth.

Q: Which card has more shading units?

A: The Radeon Pro Duo has 4,096 shading units, while the RX 6550M has 1,024. Despite this, the RX 6550M still wins the OpenCL benchmark, indicating that architectural efficiency matters more than raw unit count.

Q: What are the power requirements for each card?

A: The RX 6550M has an 80 W TDP and requires no power connectors, while the Radeon Pro Duo has a 350 W TDP and needs three 8-pin power connectors plus a 750 W suggested power supply.

Architecture Differences

The two GPUs come from entirely different architectural eras. The RX 6550M is built on RDNA 2.0 with the Navi 24 chip, fabricated on a 6 nm process at TSMC. It has 5,400 million transistors packed into a 107 mm² die, resulting in a transistor density of 50.5 million per square millimeter. The Radeon Pro Duo uses the older GCN 3.0 architecture with the Capsaicin chip, built on a 28 nm process, also at TSMC. It packs 8,900 million transistors into a much larger 596 mm² die, giving a transistor density of just 14.9 million per square millimeter.

The RX 6550M belongs to the Navi Mobile (RX 6000M) generation, while the Pro Duo is part of the Radeon Pro GCN generation. This generation gap is reflected in nearly every architectural feature. The RX 6550M supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The Pro Duo supports DirectX 12 (12_0), OpenGL 4.6, and Vulkan 1.2.170. The newer card also has 16 dedicated ray tracing cores, a feature entirely absent from the Pro Duo, which lists no ray tracing cores at all.

The RX 6550M also has a much higher clock design. Its base clock is 2000 MHz, with a boost clock of 2840 MHz and a game clock of 2560 MHz. The Pro Duo's clock fields are all null in the database, meaning no base, boost, or game clock is recorded. Only its memory clock is listed at 500 MHz (1000 Mbps effective). This clock advantage, combined with the newer architecture, explains why the RX 6550M can outperform the Pro Duo despite having fewer shading units.

The Pro Duo does have advantages in raw compute resources: 4,096 shading units, 256 texture mapping units, and 64 render output units, versus the RX 6550M's 1,024 shading units, 64 TMUs, and 32 ROPs. The Pro Duo's pixel rate is 64.00 GPixel/s and its texture rate is 256.0 GTexel/s, while the RX 6550M achieves 90.88 GPixel/s and 181.8 GTexel/s. The RX 6550M wins on pixel throughput despite fewer ROPs, and trails only on texture rate.

Specification Differences

The most striking specification differences are in memory and power. The RX 6550M uses 4 GB of GDDR6 on a 64-bit bus, delivering 144.0 GB/s bandwidth. The Pro Duo also has 4 GB, but it uses HBM on a 4096-bit bus, delivering 512.0 GB/s, which is more than three times the bandwidth. This is a case where the older card has a clear memory bandwidth advantage, yet it still loses in compute benchmarks.

The RX 6550M has a TDP of 80 W and is an IGP form factor with no power connectors. The Pro Duo is a dual-slot card with a 350 W TDP, requiring three 8-pin power connectors and a suggested 750 W power supply. The RX 6550M connects via PCIe 4.0 x4, while the Pro Duo uses PCIe 3.0 x16. The Pro Duo has physical dimensions of 277 mm in length and 111 mm in height; the RX 6550M has no recorded dimensions since it is an integrated-class part.

Display outputs differ as well. The RX 6550M has "Portable Device Dependent" outputs, meaning they vary by laptop implementation. The Pro Duo offers 1x HDMI 1.4a and 3x DisplayPort 1.2. The RX 6550M's FP32 compute is 5.816 TFLOPS, while the Pro Duo's is 8.192 TFLOPS. The RX 6550M's FP16 is 11.63 TFLOPS (2:1 ratio), while the Pro Duo's FP16 is 8.192 TFLOPS (1:1 ratio). The Pro Duo's FP32 is higher, but the RX 6550M's FP16 is substantially higher due to the 2:1 ratio.

The Pro Duo was released in April 2016 with a launch MSRP of 1,499 USD. The RX 6550M was released in January 2023 and has no recorded launch MSRP. The Pro Duo is marked as end-of-life, while the RX 6550M is still active in production. The Pro Duo's predecessor is FirePro GCN and its successor is Radeon Pro Polaris; the RX 6550M's predecessor is Polaris Mobile, with no successor listed.

The Verdict

The data is unambiguous: the AMD Radeon RX 6550M is the faster GPU in real-world compute workloads. Its 18.6% OpenCL lead over the Pro Duo is substantial, and its overall benchmark percentile (85th) is higher than the Pro Duo's (80th). The RX 6550M achieves this with a fraction of the power draw (80 W vs 350 W), a much smaller die (107 mm² vs 596 mm²), and a far newer architecture (RDNA 2.0 vs GCN 3.0).

The Pro Duo's advantages are confined to raw specifications: more shading units, more texture units, more memory bandwidth, and higher FP32 throughput. But these advantages do not translate into benchmark wins. The RX 6550M's modern architecture, higher clocks, and ray tracing support make it the better choice for anyone looking at current or future workloads.

For professional users, the Pro Duo's legacy status and end-of-life production status make it a poor option compared to the actively produced RX 6550M. The Pro Duo also requires substantial power delivery infrastructure, whereas the RX 6550M operates within mobile power envelopes. The verdict from the database is clear: choose the RX 6550M for performance, efficiency, and longevity.

Where Each One Wins

The RX 6550M wins in every recorded benchmark comparison. It is the better choice for anyone prioritizing compute performance in OpenCL, which is the only benchmark the database records for both cards. Its higher percentile ranking (85th vs 80th) suggests it also performs well across other workloads relative to all GPUs.

The RX 6550M also wins on efficiency. Its 80 W TDP versus the Pro Duo's 350 W means it can be deployed in thin-and-light laptops without external power, while the Pro Duo requires a desktop chassis with a robust power supply. The RX 6550M's modern feature set, including ray tracing cores and DirectX 12 Ultimate support, makes it suitable for gaming and modern compute APIs.

The Pro Duo's strengths are purely theoretical. It has higher raw memory bandwidth (512.0 GB/s vs 144.0 GB/s) and more shading units (4,096 vs 1,024), which could benefit memory-bound workloads if software were optimized for its specific architecture. However, the database shows no benchmark where this translates into a win. The Pro Duo's higher FP32 throughput (8.192 TFLOPS vs 5.816 TFLOPS) also does not help in the recorded OpenCL test.

For users with legacy software that was specifically optimized for GCN 3.0, the Pro Duo might still function, but it offers no measurable advantage in the data. The RX 6550M is the winner in every category that matters: performance, power, architecture, and production status. The only area where the Pro Duo "wins" is in specifications that do not produce benchmark victories, which is the definition of theoretical superiority without practical benefit.