AMD Radeon RX 6550M vs AMD Radeon RX 6950 XT Comparison

Head-to-Head Benchmarks

The direct comparison between the AMD Radeon RX 6950 XT and the AMD Radeon RX 6550M is limited to two recorded benchmark tests, but the results are decisive. In Geekbench OpenCL, the RX 6950 XT scores 205,998 against the RX 6550M's 42,536. That is a 384.3% advantage for the desktop card, meaning it delivers nearly five times the raw compute throughput in this API. The margin is so large that it dwarfs the usual generational gaps seen between desktop and mobile parts.

The second test, Geekbench Vulkan, shows a similar story. The RX 6950 XT posts 165,212 points, while the RX 6550M manages 50,867. The delta here is 224.8%, still a massive gap but notably smaller than the OpenCL difference. This suggests the Vulkan workload closes some of the distance, possibly due to driver scheduling or the mobile card's higher boost clock relative to its size. Still, the desktop card retains a commanding lead.

Looking at the average benchmark scores in the database, the RX 6950 XT sits at 58,392 across all recorded tests, while the RX 6550M averages 46,702. That difference of roughly 11,690 points places the two cards in different performance tiers entirely. The RX 6950 XT holds an 88th percentile ranking among all GPUs, whereas the RX 6550M sits at the 85th percentile. Despite the wide score gap in these two tests, their overall percentile rankings are closer than one might expect, which indicates that the mobile card's strengths lie in other workloads not captured by this head-to-head set.

The nearest rivals in the database further contextualize each card. The RX 6950 XT's closest competitor is the NVIDIA P102-100, which averages 58,528 points, a mere 0.2% higher. The Intel Arc A570M trails by 0.3%, and the AMD Radeon PRO V710 is ahead by 0.5%. This tells us the RX 6950 XT is sitting right at the edge of a cluster of similarly performing GPUs, despite its enormous lead over the RX 6550M. The RX 6550M, by contrast, is bracketed by the Intel Arc A530M (0.2% higher), the AMD Radeon RX 5600M (0.2% higher), the NVIDIA RTX A2000 (1.4% higher), and the NVIDIA RTX 5880 Ada Generation (1.6% higher). The mobile card is essentially at parity with its immediate rivals, which highlights how different the competitive landscape is for these two products.

Where Each One Wins

The RX 6950 XT wins both head-to-head tests, so the use-case split is straightforward from the recorded data. In OpenCL compute workloads, which often reflect general-purpose GPU tasks like rendering, physics simulation, or data processing, the desktop card's 384.3% lead makes it the clear choice for any application that can leverage this API. The RX 6550M's score of 42,536 in OpenCL is not competitive in absolute terms, but it is still a functional result for a mobile part with an 80 W TDP.

For Vulkan gaming and modern graphics APIs, the RX 6950 XT again dominates, but the 224.8% margin is less extreme. This narrower gap suggests that the RX 6550M's architecture is more efficient at translating its resources into Vulkan performance. The mobile card's boost clock of 2840 MHz, which is higher than the desktop card's 2310 MHz boost, likely contributes to this relative improvement. However, the RX 6550M only has 1024 shading units against 5120 on the RX 6950 XT, so the raw throughput deficit remains insurmountable.

Where the RX 6550M wins is in the context of its intended platform. It is an integrated graphics processor (IGP) with no power connectors, a 80 W TDP, and dimensions that are portable-device dependent. The RX 6950 XT, by contrast, is a triple-slot card requiring 2x 8-pin connectors and a 700 W suggested PSU. The data shows that the RX 6550M is designed for laptops and compact systems where the RX 6950 XT physically cannot fit. In that sense, the mobile card wins on deployment flexibility, not on raw performance. The database records no benchmark where the RX 6550M surpasses the RX 6950 XT, so any use-case advantage for the mobile part is purely about system compatibility and power envelope.

Architecture Differences

Both cards share the RDNA 2.0 architecture and belong to the Radeon RX 6000 series, but they are built on different chips and process nodes. The RX 6950 XT uses the Navi 21 chip fabricated on a 7 nm process at TSMC, while the RX 6550M uses Navi 24 on a 6 nm process, also at TSMC. The transistor counts differ dramatically: the desktop chip packs 26,800 million transistors on a 520 mm² die, yielding a density of 51.5M per mm². The mobile chip has just 5,400 million transistors on a 107 mm² die, with a density of 50.5M per mm². The density is nearly identical, which indicates the process shrink from 7 nm to 6 nm primarily reduced die size rather than improving packing efficiency.

The memory subsystems are also vastly different. The RX 6950 XT offers 16 GB of GDDR6 on a 256-bit bus, producing 576.0 GB/s of bandwidth. The RX 6550M has 4 GB of GDDR6 on a 64-bit bus, yielding 144.0 GB/s. Both run memory at 2250 MHz with 18 Gbps effective speed, so the bandwidth gap comes entirely from the bus width. That 4x difference in memory bandwidth aligns closely with the 4x difference in shading units (5120 vs 1024), suggesting the mobile card is a scaled-down version of the same design philosophy.

Core counts reinforce this pattern. The RX 6950 XT has 320 texture mapping units and 128 ROPs, while the RX 6550M has 64 TMUs and 32 ROPs, again a 4x reduction. Ray tracing cores follow the same ratio: 80 on the desktop card versus 16 on the mobile card. Neither card has tensor cores, and both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The pixel rate for the RX 6950 XT is 295.7 GPixel/s versus 90.88 GPixel/s for the mobile part, and texture rates are 739.2 GTexel/s versus 181.8 GTexel/s. FP32 compute is 23.65 TFLOPS against 5.816 TFLOPS, while FP16 is 47.31 TFLOPS (2:1) versus 11.63 TFLOPS (2:1).

The bus interface also differs: the RX 6950 XT uses PCIe 4.0 x16, while the RX 6550M uses PCIe 4.0 x4. This affects bandwidth to the host system, though the mobile card's lower compute capabilities make the narrower interface less of a bottleneck. The RX 6550M has a higher base clock (2000 MHz vs 1860 MHz) and boost clock (2840 MHz vs 2310 MHz), which partially compensates for its smaller core count in latency-sensitive workloads.

The release timeline shows the RX 6950 XT launched on 2022-05-09 and is now end-of-life, while the RX 6550M launched on 2023-01-03 and remains active. The desktop card's predecessor is listed as Navi and its successor as Navi III. The mobile card's predecessor is Polaris Mobile with no successor recorded. The RX 6950 XT carries a launch MSRP of 1,099 USD. The RX 6550M has no recorded launch MSRP.

FAQ

Q: Which card has more ray tracing cores?

A: The AMD Radeon RX 6950 XT has 80 ray tracing cores, while the AMD Radeon RX 6550M has 16. This is a 5x difference in raw RT hardware.

Q: What is the memory bandwidth difference?

A: The RX 6950 XT delivers 576.0 GB/s over a 256-bit bus, while the RX 6550M provides 144.0 GB/s over a 64-bit bus. This is exactly a 4x difference, matching the core count ratio.

Q: Are both cards based on the same architecture?

A: Yes, both use RDNA 2.0. The RX 6950 XT is built on Navi 21 at 7 nm, and the RX 6550M uses Navi 24 at 6 nm. Both are manufactured by TSMC.

Q: Which card has a higher boost clock?

A: The RX 6550M boosts to 2840 MHz, which is higher than the RX 6950 XT's 2310 MHz boost. The mobile card also has a higher base clock at 2000 MHz versus 1860 MHz.

Q: How do the average scores compare?

A: The RX 6950 XT averages 58,392 across all database benchmarks, while the RX 6550M averages 46,702. The desktop card ranks in the 88th percentile of all GPUs, and the mobile card ranks in the 85th percentile.

Q: What is the power requirement difference?

A: The RX 6950 XT has a 335 W TDP and requires a 700 W suggested PSU with 2x 8-pin connectors. The RX 6550M has an 80 W TDP with no power connectors and no suggested PSU listed.

The Verdict

The data is unambiguous: the AMD Radeon RX 6950 XT is the superior performer in every recorded benchmark. It wins both head-to-head tests with deltas of 384.3% and 224.8%, and its average score of 58,392 far exceeds the RX 6550M's 46,702. Any user prioritizing raw compute, high-resolution gaming, or GPU-accelerated workloads should choose the RX 6950 XT without hesitation. Its 16 GB memory, 576.0 GB/s bandwidth, and 5120 shading units provide a level of performance that the mobile part cannot approach.

However, the RX 6550M is not without merit. Its 80 W TDP, IGP form factor, and lack of external power connectors make it suitable for thin-and-light laptops where the RX 6950 XT's triple-slot, 335 W design is physically impossible. The mobile card's higher boost clock of 2840 MHz suggests it can punch above its weight in short bursts, and its 85th percentile ranking among all GPUs is respectable for an integrated solution. Users who need a capable graphics solution in a portable chassis should consider the RX 6550M, but they must accept that it delivers roughly a quarter of the compute performance in Vulkan and a fifth in OpenCL relative to the desktop flagship.

The choice comes down to platform. If the system can accommodate a full-size desktop card with a 700 W PSU, the RX 6950 XT is the only rational pick from this comparison. If the requirement is mobile computing, the RX 6550M is the only option in this pairing. The database shows no scenario where the mobile card wins on performance, but its existence in the same series with the same architecture means it inherits RDNA 2.0's feature set, including DirectX 12 Ultimate and Vulkan 1.4 support.

Specification Differences

| Specification | AMD Radeon RX 6950 XT | AMD Radeon RX 6550M |

|---|---|---|

| Chip | Navi 21 | Navi 24 |

| Process Node | 7 nm | 6 nm |

| Transistors | 26,800 million | 5,400 million |

| Die Size | 520 mm² | 107 mm² |

| Transistor Density | 51.5M / mm² | 50.5M / mm² |

| Base Clock | 1860 MHz | 2000 MHz |

| Boost Clock | 2310 MHz | 2840 MHz |

| Game Clock | 2100 MHz | 2560 MHz |

| Memory Size | 16 GB | 4 GB |

| Memory Bus Width | 256 bit | 64 bit |

| Memory Bandwidth | 576.0 GB/s | 144.0 GB/s |

| Shading Units | 5120 | 1024 |

| TMUs | 320 | 64 |

| ROPs | 128 | 32 |

| Ray Tracing Cores | 80 | 16 |

| Pixel Rate | 295.7 GPixel/s | 90.88 GPixel/s |

| Texture Rate | 739.2 GTexel/s | 181.8 GTexel/s |

| FP32 Performance | 23.65 TFLOPS | 5.816 TFLOPS |

| FP16 Performance | 47.31 TFLOPS (2:1) | 11.63 TFLOPS (2:1) |

| TDP | 335 W | 80 W |

| Slot Width | Triple-slot | IGP |

| Power Connectors | 2x 8-pin | None |

| Suggested PSU | 700 W | Not listed |

| Bus Interface | PCIe 4.0 x16 | PCIe 4.0 x4 |

| Display Outputs | 1x HDMI 2.1, 2x DisplayPort 1.4a | Portable Device Dependent |

| Dimensions | 267 mm x 120 mm x 50 mm | Not listed |

| Production Status | End-of-life | Active |

| Release Date | 2022-05-09 | 2023-01-03 |

| Predecessor | Navi | Polaris Mobile |

| Successor | Navi III | Not listed |

| Launch MSRP | 1,099 USD | Not listed |

| Avg Benchmark Score | 58,392 | 46,702 |

| Percentile vs All GPUs | 88 | 85 |

| Head-to-Head Wins | 2 | 0 |