AMD Radeon RX 6550M vs NVIDIA GeForce RTX 4080 SUPER Comparison

The NVIDIA GeForce RTX 4080 SUPER and AMD Radeon RX 6550M occupy vastly different corners of the graphics hardware landscape. One is a desktop flagship built for maximum throughput, while the other is a mobile-first chip designed for efficiency in compact systems. The data reveals a stark performance chasm, yet both products hold surprisingly similar percentile rankings among all GPUs—86th for the RTX 4080 SUPER versus 85th for the RX 6550M—which invites a closer look at what those scores actually mean in context.

FAQ

Q: How large is the performance gap between the two in compute workloads?

A: In the Geekbench OpenCL test, the NVIDIA GeForce RTX 4080 SUPER scores 219,065, while the AMD Radeon RX 6550M scores 42,536. That translates to a 415% advantage for the NVIDIA card. The Vulkan test shows a similar margin, with the RTX 4080 SUPER at 260,075 versus 50,867 for the RX 6550M—a 411.3% lead.

Q: Which GPU has the higher percentile ranking among all GPUs?

A: The RTX 4080 SUPER sits at the 86th percentile, while the RX 6550M is at the 85th percentile. Despite the enormous raw score differences, their percentile positions are nearly identical, suggesting that the RX 6550M is well-regarded for its class of mobile hardware.

Q: What is the average benchmark score for each GPU?

A: The NVIDIA card achieves an average benchmark score of 54,209, while the AMD card averages 46,702. The RTX 4080 SUPER's nearest rivals include the RTX 4080 (average score 54,247) and the AMD Radeon Pro W5700X (54,828), placing it within a tight competitive cluster.

Q: Do both GPUs support the same modern graphics APIs?

A: Yes, both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. This means they are both capable of running contemporary games and applications that rely on these APIs, despite the massive performance disparity.

Q: What are the memory configurations of these two cards?

A: The RTX 4080 SUPER features 16 GB of GDDR6X memory on a 256-bit bus, delivering 736.3 GB/s of bandwidth. The RX 6550M has 4 GB of GDDR6 memory on a 64-bit bus, with bandwidth of 144.0 GB/s. The memory bandwidth difference is roughly 5.1 times in favor of the NVIDIA card.

Q: Which GPU has a higher boost clock speed?

A: The AMD Radeon RX 6550M boosts to 2840 MHz, while the NVIDIA GeForce RTX 4080 SUPER boosts to 2550 MHz. The AMD chip also lists a game clock of 2560 MHz, which matches the NVIDIA boost clock exactly.

Architecture Differences

The architectural divide between these two GPUs is fundamental. The RTX 4080 SUPER is built on NVIDIA's Ada Lovelace architecture using the AD103 chip, fabricated on a 5 nm process at TSMC. It packs 45,900 million transistors into a 379 mm² die, yielding a transistor density of 121.1 million per square millimeter. The RX 6550M, by contrast, uses AMD's RDNA 2.0 architecture with the Navi 24 chip, on a 6 nm process also from TSMC. Its transistor count is just 5,400 million on a 107 mm² die, with a density of 50.5 million per square millimeter.

The compute resources scale accordingly. The RTX 4080 SUPER has 10,240 shading units, 320 texture mapping units, and 112 render output units. It also features 80 dedicated ray tracing cores and 320 tensor cores. The RX 6550M offers 1,024 shading units, 64 TMUs, and 32 ROPs, with 16 ray tracing cores and no tensor cores at all. This means the NVIDIA card has exactly ten times the shading units and five times the TMUs and ROPs of the AMD part.

Shader throughput tells the same story. The RTX 4080 SUPER delivers 52.22 TFLOPS of FP32 compute, while the RX 6550M provides 5.816 TFLOPS—a 9x difference. Interestingly, the FP16 ratios differ: NVIDIA runs FP16 at 1:1 with FP32 (52.22 TFLOPS), while AMD runs FP16 at 2:1 (11.63 TFLOPS), which is double its FP32 rate. The pixel and texture rates also differ dramatically, with the NVIDIA card pushing 285.6 GPixel/s and 816.0 GTexel/s versus 90.88 GPixel/s and 181.8 GTexel/s for the AMD chip.

Head-to-Head Benchmarks

The only direct head-to-head results available are the Geekbench compute tests, and they are decisively one-sided. In Geekbench OpenCL, the RTX 4080 SUPER scores 219,065 against the RX 6550M's 42,536. The delta is 415%, meaning the NVIDIA card is over five times faster in this raw compute workload. In Geekbench Vulkan, the gap narrows only slightly: 260,075 versus 50,867, a 411.3% difference.

These results underscore that the RTX 4080 SUPER is not merely faster—it is in an entirely different performance tier. The Vulkan score of 260,075 is particularly notable because it exceeds the OpenCL score, suggesting the Ada Lovelace architecture scales well with modern low-level APIs. The RX 6550M's Vulkan score of 50,867 similarly exceeds its OpenCL score, indicating that both architectures benefit from Vulkan, but the absolute gap remains overwhelming.

It is worth remembering the RTX 4080 SUPER's nearest rivals in average score are the RTX 4080 (54,247, delta -0.1%) and the AMD Radeon Pro W5700X (54,828, delta -1.1%). This places the 4080 SUPER in a tight pack where a few hundred points separate competitors. The RX 6550M's rivals include the Intel Arc A530M (46,614, delta 0.2%) and the AMD Radeon RX 5600M (46,601, delta 0.2%), showing that it too is competitive within its own segment.

Specification Differences

The specification sheets reveal a long list of divergences. Process node differs: 5 nm for NVIDIA versus 6 nm for AMD. Transistor count is 45,900 million versus 5,400 million. Die size is 379 mm² versus 107 mm². Base clock is 2295 MHz versus 2000 MHz, but boost clock favors AMD at 2840 MHz versus 2550 MHz. The RX 6550M also lists a game clock of 2560 MHz, which has no equivalent on the RTX 4080 SUPER.

Memory is a major differentiator: 16 GB GDDR6X on a 256-bit bus versus 4 GB GDDR6 on a 64-bit bus. Bandwidth is 736.3 GB/s versus 144.0 GB/s. The memory clock is 1438 MHz (23 Gbps effective) for NVIDIA versus 2250 MHz (18 Gbps effective) for AMD. Power draw is 320 W for the RTX 4080 SUPER versus 80 W for the RX 6550M. The NVIDIA card requires a 1x 16-pin power connector and a 700 W suggested PSU, while the AMD card uses no external connectors and has no suggested PSU listed.

Form factor differs substantially: the RTX 4080 SUPER is a triple-slot card measuring 310 mm in length, 140 mm in height, and 61 mm in width. The RX 6550M is listed as IGP (integrated graphics processor) with no dimensions provided. Bus interface is PCIe 4.0 x16 for NVIDIA versus PCIe 4.0 x4 for AMD. Display outputs are 1x HDMI 2.1 and 3x DisplayPort 1.4a for NVIDIA, while AMD lists "Portable Device Dependent." Production status is end-of-life for NVIDIA and active for AMD. The RTX 4080 SUPER was released on 2024-01-30 with a launch MSRP of 999 USD; the RX 6550M was released on 2023-01-03 with no launch MSRP listed.

Where Each One Wins

The RTX 4080 SUPER wins on every measurable benchmark dimension in the data. It has higher compute throughput, more memory, wider bandwidth, and greater texture and pixel fill rates. It is the clear choice for any workload that demands maximum raw performance, from high-resolution gaming to GPU-accelerated rendering or compute tasks. The 16 GB frame buffer provides headroom for large textures and datasets that the 4 GB RX 6550M simply cannot accommodate.

The RX 6550M wins on efficiency metrics, though these are not benchmark scores. Its 80 W TDP is one quarter of the RTX 4080 SUPER's 320 W. It requires no external power connectors and fits in an IGP form factor, making it suitable for thin-and-light laptops where the triple-slot, 310 mm-long NVIDIA card would never physically fit. The RX 6550M is also an active product, whereas the RTX 4080 SUPER is end-of-life, which may matter for availability in new systems.

The percentile rankings are telling: the RX 6550M sits at the 85th percentile despite having only two benchmark scores in the data, both of which are compute tests. This suggests that within its mobile GPU class, it performs admirably. The RTX 4080 SUPER's 86th percentile is bolstered by ten benchmark scores across DirectX 9 through 12, G2D, G3D, and compute workloads, giving a more comprehensive picture of its capabilities.

The Verdict

The data does not support any scenario where the RX 6550M outperforms the RTX 4080 SUPER in raw performance. The Geekbench results show a 415% and 411.3% gap in favor of NVIDIA—this is a decisive, category-defining margin. Anyone seeking maximum compute or gaming performance should choose the RTX 4080 SUPER without hesitation. Its average benchmark score of 54,209 places it among the top-tier desktop GPUs, competitive with the RTX 4080 and Radeon Pro W5700X.

However, the RX 6550M is not without rationale. Its 80 W power draw, IGP form factor, and active production status make it the only viable option for specific portable or low-power applications. The fact that it achieves an 85th percentile ranking with a 4 GB frame buffer and 64-bit memory bus indicates that AMD has optimized this chip well for its intended niche. For a user building a compact, power-efficient mobile system where a discrete GPU is impossible, the RX 6550M is a sensible choice.

The verdict splits cleanly: the RTX 4080 SUPER is for desktop workstations and high-end gaming rigs where power and size are non-issues. The RX 6550M is for laptops and small-form-factor devices where the 320 W, triple-slot NVIDIA card cannot physically exist. Both GPUs are well-matched to their respective markets, but the performance gap between them is so vast that they should not be considered direct competitors—they are solutions to entirely different problems.