AMD Radeon RX 6650M XT vs AMD Radeon RX 7600M Comparison

The AMD Radeon RX 665M XT and RX 7600M are both mobile GPUs aimed at thin-and-light gaming laptops, but the benchmark data shows a decisive performance hierarchy. The RX 6650M XT is the faster part, delivering a 20.6% higher OpenCL score, while the RX 7600M counters with a more modern architecture and significantly lower power draw. This creates a clear split: the 6650M XT is for raw compute performance, while the 7600M is for efficiency and architectural longevity.

Where Each One Wins

The performance split is unambiguous based on the single head-to-head benchmark available. The AMD Radeon RX 6650M XT wins the only direct comparison in the Geekbench OpenCL test, scoring 76,904 against the RX 7600M’s 63,775. That is a 20.6% advantage, a substantial margin that places the 6650M XT in a higher performance tier. Its percentile ranking reflects this: the 6650M XT sits in the 91st percentile of all GPUs, while the RX 7600M sits at the 89th percentile.

However, the RX 7600M claims a different kind of victory in power efficiency. Its TDP is 90 W, while the RX 6650M XT draws 120 W. This 30 W difference is significant for mobile designs, meaning the 7600M can be more easily integrated into slimmer chassis with lighter cooling solutions. The data suggests a trade-off: the 6650M XT wins on raw score, but the 7600M wins on power envelope. For a laptop buyer who prioritizes battery life and portability over peak compute, the 7600M’s lower power draw is its primary advantage.

Another win for the RX 7600M is its production status. The 6650M XT is marked as End-of-life, while the 7600M is Active. This implies the 7600M is the more future-proof option in terms of availability and ongoing driver support, though the benchmark scores themselves favor the older part.

Architecture Differences

The two GPUs represent two distinct generations of AMD’s RDNA architecture. The RX 6650M XT is built on RDNA 2.0 using the Navi 23 chip, while the RX 7600M uses RDNA 3.0 with the Navi 33 chip (codenamed "Hotpink Bonefish"). This generational leap brings several key changes.

The manufacturing process differs: the 6650M XT uses a 7 nm node, while the 7600M uses a 6 nm node, both from TSMC. The smaller node allows the 7600M to pack more transistors into a smaller die. Despite having fewer transistors overall (13,300 million vs. 11,060 million), the 7600M’s die size is smaller at 204 mm² compared to 237 mm². This yields a significantly higher transistor density: 65.2 million per mm² for the 7600M versus 46.7 million per mm² for the 6650M XT.

The compute unit configuration tells an interesting story. The 6650M XT has more of everything: 2048 shading units vs. 1792, 128 TMUs vs. 112, and 32 RT cores vs. 28. Both have 64 ROPs. This higher count explains the 6650M XT’s raw performance lead in the OpenCL benchmark. However, the 7600M’s RDNA 3.0 architecture delivers higher per-clock performance. Its FP32 throughput is 17.27 TFLOPS, nearly double the 6650M XT’s 9.896 TFLOPS, despite having fewer shaders. The FP16 figures mirror this: 34.55 TFLOPS vs. 19.79 TFLOPS.

Clock speeds also reflect the architectural differences. The 6650M XT runs at a higher base clock (2068 MHz vs. 1500 MHz) and a slightly higher boost clock (2416 MHz vs. 2410 MHz). Its game clock is 2162 MHz, compared to 2070 MHz for the 7600M. The memory configuration is identical: 8 GB of GDDR6 on a 128-bit bus, yielding 256.0 GB/s bandwidth for both.

Head-to-Head Benchmarks

The only direct benchmark comparison is the Geekbench OpenCL test, and it is a decisive win for the RX 6650M XT. The 6650M XT scores 76,904, while the RX 7600M scores 63,775. The delta is 20.6% in favor of the 6650M XT.

Contextualizing this score against their nearest rivals clarifies the performance tier. The 6650M XT trails the NVIDIA GeForce RTX 5090 D by just 1% (77,112) and the AMD Radeon RX 6850M XT by 2.6% (78,940). It is also 3.1% behind the Tesla P100 PCIe 12 GB and 3.4% behind the 16 GB version. This places the 6650M XT in a competitive position against high-end desktop-class parts.

The RX 7600M’s rival comparison shows a different landscape. It is essentially tied with the AMD Radeon RX 9060 XT LP (63,830, delta -0.1%) and the NVIDIA CMP 30HX (63,842, delta -0.1%). It edges out the AMD Radeon Pro Vega 56 by 0.1% (63,693) and trails the AMD Radeon Pro WX 9100 by 0.7% (64,212). These are much closer margins, indicating the 7600M sits in a dense field of similarly performing GPUs, whereas the 6650M XT has a clearer performance advantage over its immediate rivals.

The 20.6% gap between the two is the single most important number in this comparison. It shows that the architectural efficiency of RDNA 3.0 does not compensate for the 6650M XT’s higher core count and clock speeds in this particular compute workload.

FAQ

Q: Which GPU has a higher benchmark score?

A: The AMD Radeon RX 6650M XT scores 76,904 in Geekbench OpenCL, which is 20.6% higher than the RX 7600M’s 63,775.

Q: Is the RX 7600M more power-efficient?

A: Yes. The RX 7600M has a TDP of 90 W, while the RX 6650M XT has a TDP of 120 W, making the 7600M the lower-power option.

Q: Do both GPUs have the same memory configuration?

A: Yes, both feature 8 GB of GDDR6 memory on a 128-bit bus with 256.0 GB/s bandwidth.

Q: Which GPU is based on a newer architecture?

A: The RX 7600M uses the newer RDNA 3.0 architecture on a 6 nm process, while the RX 6650M XT uses RDNA 2.0 on a 7 nm process.

Q: Which GPU has more shading units?

A: The RX 6650M XT has 2048 shading units, compared to 1792 on the RX 7600M.

Q: What is the production status of each GPU?

A: The RX 6650M XT is listed as End-of-life, while the RX 7600M is listed as Active.

Specification Differences

| Specification | AMD Radeon RX 6650M XT | AMD Radeon RX 7600M |

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

| Architecture | RDNA 2.0 | RDNA 3.0 |

| Chip | Navi 23 | Navi 33 |

| Process Node | 7 nm | 6 nm |

| Transistors | 11,060 million | 13,300 million |

| Die Size | 237 mm² | 204 mm² |

| Transistor Density | 46.7M / mm² | 65.2M / mm² |

| Base Clock | 2068 MHz | 1500 MHz |

| Game Clock | 2162 MHz | 2070 MHz |

| Boost Clock | 2416 MHz | 2410 MHz |

| Shading Units | 2048 | 1792 |

| TMUs | 128 | 112 |

| RT Cores | 32 | 28 |

| Pixel Rate | 154.6 GPixel/s | 154.2 GPixel/s |

| Texture Rate | 309.2 GTexel/s | 269.9 GTexel/s |

| FP32 Performance | 9.896 TFLOPS | 17.27 TFLOPS |

| FP16 Performance | 19.79 TFLOPS | 34.55 TFLOPS |

| TDP | 120 W | 90 W |

| Bus Interface | PCIe 4.0 x8 | PCIe 4.0 x16 |

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

The Verdict

The benchmark data leads to a clear conclusion: the AMD Radeon RX 6650M XT is the superior performer in raw compute tasks. Its 20.6% lead in Geekbench OpenCL is a decisive margin that outweighs the architectural generational difference. For users who need maximum compute throughput from their laptop GPU, the 6650M XT is the stronger choice, as evidenced by its 91st percentile ranking versus the 7600M’s 89th.

However, the RX 7600M is not without its merits. Its 90 W TDP versus 120 W for the 6650M XT makes it a more attractive option for thin-and-light laptops where power delivery and thermal management are critical. The 7600M also benefits from being an active product, whereas the 6650M XT is end-of-life, which may affect long-term availability.

The architecture differences further complicate the picture. The 7600M’s FP32 throughput (17.27 TFLOPS) is nearly double that of the 6650M XT (9.896 TFLOPS), indicating RDNA 3.0’s superior efficiency per shader. Yet this does not translate into a higher OpenCL score, likely due to the 6650M XT’s higher clock speeds and greater number of compute units.

The verdict comes down to the use case. Data centers or compute-focused mobile workstations should favor the RX 6650M XT for its higher benchmark score and better percentile placement. Gamers or users prioritizing portability and battery life should lean toward the RX 7600M, accepting lower compute performance in exchange for significantly lower power draw and a more modern, active platform. The 7600M’s PCIe 4.0 x16 interface also doubles the bus bandwidth over the 6650M XT’s x8 link, which could benefit certain workloads despite the lower raw score. Choose based on whether raw performance or efficiency matters more; the data does not support a single all-around winner.