STM32F103 alternatives — graded cross-references

45 STM32F103 part numbers have documented Chinese alternatives in this database (35 P2P · 10 PIN). Every candidate is graded from cited evidence with differences disclosed per part — engineering-review candidates, not unqualified drop-in claims.

Data verified: 2026-07-13 · grading methodology · GD32 vs STM32F1: the differences that matter

45 TARGET PART NUMBERSBEST CANDIDATE · GRADE · TOP DIFFERENCE

TARGET PN	BEST CANDIDATE	GRADE	TOP DIFFERENCE TO REVIEW
STM32F103C4T6	GigaDevice GD32F103C4T6	P2P	Max clock 108MHz vs 72MHz
STM32F103C6T6	GigaDevice GD32F103C6T6	P2P	Max clock 108MHz vs 72MHz
STM32F103C8T6	GigaDevice GD32F103C8T6	P2P	Max clock 108MHz vs 72MHz
STM32F103C8T7B	HK HK32F103C8T7B	PIN	HK claims hardware+software compatibility; sample-test ADC, clock and low-power behavior
STM32F103CBT6	GigaDevice GD32F103CBT6	P2P	Max clock 108MHz vs 72MHz
STM32F103CBT7B	HK HK32F103CBT7B	PIN	HK claims hardware+software compatibility; sample-test ADC, clock and low-power behavior
STM32F103CCT6	Artery AT32F403ACCT7	PIN	Max clock 240MHz vs 72MHz (review peripheral clock configuration)
STM32F103CCT7B	HK HK32F103CCT7B	PIN	HK claims hardware+software compatibility; sample-test ADC, clock and low-power behavior
STM32F103CET6	Artery AT32F403ACET7	PIN	Max clock 240MHz vs 72MHz (review peripheral clock configuration)
STM32F103CGT6	Artery AT32F403ACGT7	PIN	Max clock 240MHz vs 72MHz (review peripheral clock configuration)
STM32F103R4T6	GigaDevice GD32F103R4T6	P2P	Max clock 108MHz vs 72MHz
STM32F103R6T6	GigaDevice GD32F103R6T6	P2P	Max clock 108MHz vs 72MHz
STM32F103R8T6	GigaDevice GD32F103R8T6	P2P	Max clock 108MHz vs 72MHz
STM32F103R8T7B	HK HK32F103R8T7B	PIN	HK claims hardware+software compatibility; sample-test ADC, clock and low-power behavior
STM32F103RBT6	GigaDevice GD32F103RBT6	P2P	Max clock 108MHz vs 72MHz
STM32F103RBT7B	HK HK32F103RBT7B	PIN	HK claims hardware+software compatibility; sample-test ADC, clock and low-power behavior
STM32F103RCT6	GigaDevice GD32F103RCT6	P2P	Max clock 108MHz vs 72MHz
STM32F103RCT7B	HK HK32F103RCT7B	PIN	HK claims hardware+software compatibility; sample-test ADC, clock and low-power behavior
STM32F103RDT6	GigaDevice GD32F103RDT6	P2P	Max clock 108MHz vs 72MHz
STM32F103RET6	GigaDevice GD32F103RET6	P2P	Max clock 108MHz vs 72MHz
STM32F103RFT6	GigaDevice GD32F103RFT6	P2P	Max clock 108MHz vs 72MHz
STM32F103RGT6	GigaDevice GD32F103RGT6	P2P	Max clock 108MHz vs 72MHz
STM32F103RIT6	GigaDevice GD32F103RIT6	P2P	Max clock 108MHz vs 72MHz
STM32F103RKT6	GigaDevice GD32F103RKT6	P2P	Max clock 108MHz vs 72MHz
STM32F103T4U6	GigaDevice GD32F103T4U6	P2P	Max clock 108MHz vs 72MHz
STM32F103T6U6	GigaDevice GD32F103T6U6	P2P	Max clock 108MHz vs 72MHz
STM32F103T8U6	GigaDevice GD32F103T8U6	P2P	Max clock 108MHz vs 72MHz
STM32F103TBU6	GigaDevice GD32F103TBU6	P2P	Max clock 108MHz vs 72MHz
STM32F103V8T6	GigaDevice GD32F103V8T6	P2P	Max clock 108MHz vs 72MHz
STM32F103VBT6	GigaDevice GD32F103VBT6	P2P	Max clock 108MHz vs 72MHz
STM32F103VCT6	GigaDevice GD32F103VCT6	P2P	Max clock 108MHz vs 72MHz
STM32F103VCT7B	HK HK32F103VCT7B	PIN	HK claims hardware+software compatibility; sample-test ADC, clock and low-power behavior
STM32F103VDT6	GigaDevice GD32F103VDT6	P2P	Max clock 108MHz vs 72MHz
STM32F103VET6	GigaDevice GD32F103VET6	P2P	Max clock 108MHz vs 72MHz
STM32F103VFT6	GigaDevice GD32F103VFT6	P2P	Max clock 108MHz vs 72MHz
STM32F103VGT6	GigaDevice GD32F103VGT6	P2P	Max clock 108MHz vs 72MHz
STM32F103VIT6	GigaDevice GD32F103VIT6	P2P	Max clock 108MHz vs 72MHz
STM32F103VKT6	GigaDevice GD32F103VKT6	P2P	Max clock 108MHz vs 72MHz
STM32F103ZCT6	GigaDevice GD32F103ZCT6	P2P	Max clock 108MHz vs 72MHz
STM32F103ZDT6	GigaDevice GD32F103ZDT6	P2P	Max clock 108MHz vs 72MHz
STM32F103ZET6	GigaDevice GD32F103ZET6	P2P	Max clock 108MHz vs 72MHz
STM32F103ZFT6	GigaDevice GD32F103ZFT6	P2P	Max clock 108MHz vs 72MHz
STM32F103ZGT6	GigaDevice GD32F103ZGT6	P2P	Max clock 108MHz vs 72MHz
STM32F103ZIT6	GigaDevice GD32F103ZIT6	P2P	Max clock 108MHz vs 72MHz
STM32F103ZKT6	GigaDevice GD32F103ZKT6	P2P	Max clock 108MHz vs 72MHz

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