# STM32F107RCT6 — documented alternatives

> The closest documented alternative to STM32F107RCT6 is GigaDevice GD32F107RCT6, graded P2P (pin- and software-compatible candidate, high confidence). Key difference to review first: Max clock 108MHz vs 72MHz. 1 further graded candidate below. Every match is an engineering-review candidate, not an unqualified drop-in claim.

Canonical page: https://senneon.com/cross-reference/stm32f107rct6
Data verified: 2026-07-13 · Grading methodology: https://senneon.com/verification

## Graded candidates

| Candidate | Brand | Grade | Confidence | Known differences | Evidence |
|---|---|---|---|---|---|
| GD32F107RCT6 | GigaDevice | P2P | high | Max clock 108MHz vs 72MHz | GigaDevice compatibility sum-up between GD32 and STM32 (V2.0) (checked 2026-07-13); Part-number suffix (pin count / density / package / temperature) matches ST exactly (checked 2026-07-13) |
| AT32F407RCT7 | Artery | PIN | high | Max clock 240MHz vs 72MHz; integrated Ethernet MAC, maps to F107 connectivity line; Firmware port required: most registers compatible but not all; official migration guide + device pack provided; Operating temperature -40~105°C (T7) wider than ST's -40~85°C (T6) | Artery official migration guides (archived locally): MG0007 SXX32F103→AT32F403A, MG0003 SXX32F103→AT32F413, MG0025 →AT32A403A; each documents peripheral differences (checked 2026-07-13) — https://senneon.com/evidence/artery/mg-7c021cb7.pdf; Pin and density codes follow ST naming convention (checked 2026-07-13) |

## Parametric comparison (manufacturer-sourced)

| Spec | GD32F107RCT6 | AT32F407RCT7 |
|---|---|---|
| Core | Cortex®-M3 | — |
| Speed (MHz) | 108 | 240 |
| Flash | 256K | — |
| SRAM | 96K | 96+128 |
| Package | LQFP64 | LQFP64 10x10 mm |
| Temp Range | 40℃~85℃ | 40 to +105 °C |

Commercial terms are quote-only; no price, stock or lead-time claims are published. RFQ: https://senneon.com/rfq?pn=STM32F107RCT6