AMD Radeon RX 6650M XT vs NVIDIA GeForce RTX 5090 Comparison

Where Each One Wins

The benchmark data presents an unusually lopsided head-to-head picture, with the NVIDIA GeForce RTX 5090 claiming every single shared benchmark victory. In the only directly comparable test — Geekbench OpenCL — the RTX 5090 scores 334,370 against the AMD Radeon RX 6650M XT's 76,904, a delta of 334.8%. This is not a close contest by any metric available.

However, the win distribution tells a more nuanced story than a simple sweep. The RTX 5090's benchmark portfolio is extensive, covering ten different tests across 3DMark, Geekbench, and Passmark suites. The RX 6650M XT, by contrast, has only a single Geekbench OpenCL result recorded. This asymmetry means the RTX 5090's wins span DirectX 9, 10, 11, and 12 workloads, plus compute and 2D graphics tests, while the AMD part's lone data point limits any broader claims about its strengths.

Looking at percentile placement, both cards sit remarkably close in the overall GPU hierarchy. The RTX 5090 ranks in the 92nd percentile of all GPUs, while the RX 6650M XT sits just one point lower at the 91st percentile. This proximity suggests that despite the massive delta in raw compute scores, the AMD card is not an outlier in performance terms — it competes in a similar performance tier, just at the lower end of that tier.

The average benchmark scores reinforce this positioning. The RTX 5090 posts an average of 79,842 across its ten tests, while the RX 6650M XT averages 76,904 from its single result. The difference of 2,938 points (roughly 3.8%) is far smaller than the OpenCL delta would suggest, indicating that the RTX 5090's dominance may be concentrated in specific workloads rather than uniform across all test types.

The Verdict

The data points to a clear but context-dependent recommendation. For anyone prioritizing maximum compute performance, the RTX 5090 is the unambiguous choice — its 334,370 Geekbench OpenCL score dwarfs the RX 6650M XT's 76,904 by a factor of over four. This is the largest performance gap recorded in any head-to-head comparison in the dataset.

For users who need a complete benchmark profile, the RTX 5090 again wins by default, as it offers results across 3DMark Steel Nomad DX12 (18,355), Geekbench OpenCL and Vulkan (334,370 and 376,728), and the full Passmark suite including G2D (1,413), G3D (39,650), and GPU Compute (26,756). The RX 6650M XT provides no comparable data for Vulkan, DirectX, or 2D workloads, making it impossible to verify its performance in those areas.

However, the nearest rival data introduces a caveat. The RTX 5090's closest competitors include the AMD Radeon RX 6850M XT at 78,940 (1.1% behind) and the NVIDIA Tesla P100 PCIe 16 GB at 79,605 (0.3% ahead). Meanwhile, the RX 6650M XT's nearest rivals include the RTX 5090 D at 77,712 (1% ahead) and the RX 6850M XT at 78,940 (2.6% ahead). This suggests that both cards occupy similar performance bands relative to their respective competitor sets, even though their direct comparison is enormously lopsided.

The production status is a deciding factor. The RTX 5090 is marked Active, while the RX 6650M XT is End-of-life. For anyone seeking current hardware with ongoing support, the RTX 5090 is the only viable option in this pairing. The RX 6650M XT, released in January 2022, is a legacy product whose single benchmark result cannot offset the RTX 5090's comprehensive test coverage and active production status.

Head-to-Head Benchmarks

The sole head-to-head benchmark is Geekbench OpenCL, and it is a blowout. The RTX 5090 achieves 334,370 points against the RX 6650M XT's 76,904, yielding a delta of 334.8% in NVIDIA's favor. To contextualize this, the RTX 5090's OpenCL score alone is more than four times the AMD card's entire average benchmark score of 76,904.

This single data point is striking for several reasons. First, the RTX 5090's OpenCL score (334,370) is roughly 4.3 times its own 3DMark Steel Nomad result (18,355), indicating that the card's compute performance vastly outstrips its gaming-oriented rasterization scores. Second, the RX 6650M XT's OpenCL score (76,904) is nearly identical to its average benchmark score (76,904), which is expected given it has only one recorded test.

The delta of 334.8% is the largest percentage difference in any benchmark comparison in the dataset, dwarfing even the differences between the RTX 5090 and its nearest rivals. For reference, the RTX 5090's closest rival, the NVIDIA Tesla P100 PCIe 16 GB, is only 0.3% ahead in average score, while the RX 6650M XT's closest rival, the RTX 5090 D, is just 1% ahead. The direct comparison between these two cards is thus an outlier in terms of performance disparity.

It is notably the RTX 5090's Vulkan score of 376,728 is even higher than its OpenCL score, but no equivalent Vulkan result exists for the RX 6650M XT. Similarly, the RTX 5090's Passmark G3D score of 39,650 and GPU Compute score of 26,756 have no AMD counterpart in this dataset. The absence of these comparative data points means the 334.8% OpenCL delta may not represent the full extent of the performance gap.

FAQ

Q: Which GPU has the higher benchmark average?

A: The NVIDIA GeForce RTX 5090 has an average benchmark score of 79,842 across ten tests, while the AMD Radeon RX 6650M XT averages 76,904 from a single Geekbench OpenCL result.

Q: How much faster is the RTX 5090 in the only shared test?

A: In Geekbench OpenCL, the RTX 5090 scores 334,370 versus the RX 6650M XT's 76,904, a delta of 334.8% in NVIDIA's favor.

Q: Do both GPUs support the same DirectX and Vulkan versions?

A: Yes, both list DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4 in their API support.

Q: What is the production status of each card?

A: The RTX 5090 is marked as Active, while the RX 6650M XT is End-of-life.

Q: How do the two cards compare in GPU hierarchy percentile?

A: The RTX 5090 sits in the 92nd percentile of all GPUs, while the RX 6650M XT is in the 91st percentile, a gap of just one percentile point.

Q: Which card has more recorded benchmark results?

A: The RTX 5090 has ten benchmark scores covering 3DMark, Geekbench OpenCL and Vulkan, and Passmark DirectX 9/10/11/12, G2D, G3D, and GPU Compute. The RX 6650M XT has only one Geekbench OpenCL result.

Architecture Differences

The architectural divide between these two GPUs is substantial. The RTX 5090 uses NVIDIA's GB202 chip built on the Blackwell 2.0 architecture, manufactured on a 5 nm process at TSMC. The RX 6650M XT uses AMD's Navi 23 chip based on RDNA 2.0, also fabricated by TSMC but on a 7 nm node. This process difference translates directly into transistor density: the RTX 5090 packs 122.9 million transistors per square millimeter, while the RX 6650M XT achieves 46.7 million per square millimeter.

The transistor counts are in different leagues entirely. The RTX 5090 contains 92,200 million transistors on a 750 mm² die, whereas the RX 6650M XT has 11,060 million transistors on a 237 mm² die. This represents an 8.3x difference in transistor count and a 3.2x difference in die area. The RTX 5090's die is also physically larger at 750 mm² compared to the RX 6650M XT's 237 mm².

The compute architectures diverge fundamentally. The RTX 5090 features 21,760 shading units, 680 TMUs, and 176 ROPs, alongside 170 RT cores and 680 tensor cores. The RX 6650M XT has 2,048 shading units, 128 TMUs, and 64 ROPs, with 32 RT cores and no tensor cores at all. The RTX 5090's FP32 throughput is 104.8 TFLOPS, while the RX 6650M XT manages 9.896 TFLOPS — a 10.6x difference. Interestingly, the RX 6650M XT's FP16 performance is 19.79 TFLOPS (2:1 ratio), which is roughly double its FP32, whereas the RTX 5090 offers FP16 at a 1:1 ratio with FP32 at 104.8 TFLOPS.

Memory architecture also differs sharply. The RTX 5090 uses 32 GB of GDDR7 on a 512-bit bus, delivering 1.79 TB/s bandwidth. The RX 6650M XT uses 8 GB of GDDR6 on a 128-bit bus, providing 256.0 GB/s. The RTX 5090's pixel rate is 423.6 GPixel/s and texture rate is 1,636.8 GTexel/s, versus 154.6 GPixel/s and 309.2 GTexel/s for the AMD card.

Specification Differences

The specifications where these two GPUs differ are numerous and significant. The RTX 5090 has a base clock of 2017 MHz and boost clock of 2407 MHz, while the RX 6650M XT has a slightly higher base clock of 2068 MHz and boost of 2416 MHz, plus a game clock of 2162 MHz. The memory clocks differ markedly: the RTX 5090 runs at 1750 MHz (28 Gbps effective), while the RX 6650M XT runs at 2000 MHz (16 Gbps effective).

Form factor and power requirements could not be more different. The RTX 5090 is a dual-slot card measuring 304 mm in length, 137 mm in height, and 40 mm in width, with a 575 W TDP and a single 16-pin power connector, requiring a 950 W suggested PSU. The RX 6650M XT is an IGP (integrated graphics processor) with no dimensions listed, a 120 W TDP, no power connectors, and no suggested PSU. The RTX 5090 uses a PCIe 5.0 x16 interface, while the RX 6650M XT uses PCIe 4.0 x8.

Display outputs also differ. The RTX 5090 offers 1x HDMI 2.1b and 3x DisplayPort 2.1b, while the RX 6650M XT's outputs are listed as "Portable Device Dependent." The release dates are separated by three years: the RTX 5090 launched on January 29, 2025, while the RX 6650M XT launched on January 3, 2022. The RTX 5090 has a launch MSRP of 1,999 USD, while the RX 6650M XT has no launch MSRP recorded.