STMicroelectronics
192 KB SRAM with FPU and DSP instructions supports small ML models. CMSIS-NN optimized for Cortex-M4.
| Processor | ARM Cortex-M4F @ 168 MHz |
| Cores | 1 |
| Clock | 168 MHz |
| SRAM | 192 KB |
| Flash | 1 MB |
| FPU | single |
| Connectivity | USB OTG FS |
| Key Features | Single-precision FPU, DSP instructions, Widely available ecosystem |
| Price | $3–$10 (chip), $10–$30 (dev board) |
105 dev boards available across PlatformIO registries.
Excellent
For anomaly detection, the STM32F4 with Edge Impulse scores Excellent. Its 192 KB internal SRAM (6.0x the required 32 KB) and 168 MHz clock …
Good
The STM32F4 runs autoencoder-based anomaly detection with TFLite Micro using under 20 KB of its 192 KB SRAM. The Cortex-M4F's DSP instructio…
Excellent
The STM32F4 is an excellent match for fall detection with Edge Impulse. 192 KB SRAM delivers 3.0x the 64 KB minimum while 168 MHz processes …
Excellent
STMicroelectronics's STM32F4 excels at fall detection via TFLite Micro. The 1-core cortex-m4f at 168 MHz with 192 KB SRAM handles 20 KB quan…
Good
The STM32F4 classifies IMU gestures with Edge Impulse's optimized inference pipeline. The Cortex-M4F's DSP instructions handle spectral feat…
Good
Running gesture recognition on the STM32F4 with TFLite Micro is practical. 192 KB SRAM meets the 64 KB minimum with 3.0x headroom. The 168 M…
Good
The STM32F4 handles image classification effectively with Edge Impulse. 192 KB SRAM at 168 MHz provides 1.5x headroom over the 128 KB requir…
Good
The STM32F4 handles image classification effectively with TFLite Micro. 192 KB SRAM at 168 MHz provides 1.5x headroom over the 128 KB requir…
Good
Running predictive maintenance on the STM32F4 with Edge Impulse is practical. 192 KB SRAM meets the 64 KB minimum with 3.0x headroom. The 16…
Good
The STM32F4 is a widely used Cortex-M4 for vibration-based predictive maintenance. With 192 KB SRAM, 168 MHz clock, and DSP instructions, it…
Excellent
The STM32F4 is an excellent match for sound classification with Edge Impulse. 192 KB SRAM delivers 3.0x the 64 KB minimum while 168 MHz proc…
Excellent
STMicroelectronics's STM32F4 excels at sound classification via TFLite Micro. The 1-core cortex-m4f at 168 MHz with 192 KB SRAM handles 40 K…
Good
STMicroelectronics's STM32F4 is a solid choice for voice recognition using Edge Impulse. The cortex-m4f core at 168 MHz with 192 KB SRAM acc…
Good
The STM32F4 handles voice recognition effectively with TFLite Micro. 192 KB SRAM at 168 MHz provides 1.5x headroom over the 128 KB requireme…
Good
The STM32F4 handles wildlife monitoring effectively with Edge Impulse. 192 KB SRAM at 168 MHz provides 1.5x headroom over the 128 KB require…
Good
Running wildlife monitoring on the STM32F4 with TFLite Micro is practical. 192 KB SRAM meets the 128 KB minimum with 1.5x headroom. The 168 …
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256 KB RAM · 40 MHz
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520 KB RAM · 240 MHz
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400 KB RAM · 160 MHz
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512 KB RAM · 160 MHz
ESP32-S2
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320 KB RAM · 240 MHz
ESP32-S3
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512 KB RAM · 240 MHz
GAP8
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512 KB RAM · 250 MHz
i.MX RT1052
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512 KB RAM · 600 MHz
i.MX RT1062
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1024 KB RAM · 600 MHz
i.MX RT1064
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1024 KB RAM · 600 MHz
LPC55xx
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320 KB RAM · 150 MHz
nRF52832
Nordic Semiconductor
64 KB RAM · 64 MHz
nRF52833
Nordic Semiconductor
128 KB RAM · 64 MHz
nRF52840
Nordic Semiconductor
256 KB RAM · 64 MHz
RA6M5
Renesas
512 KB RAM · 200 MHz
SAMD51
Microchip
256 KB RAM · 120 MHz
SAME51
Microchip
256 KB RAM · 120 MHz
STM32F3
STMicroelectronics
80 KB RAM · 72 MHz
STM32F7
STMicroelectronics
512 KB RAM · 216 MHz
STM32G4
STMicroelectronics
128 KB RAM · 170 MHz
STM32H5
STMicroelectronics
640 KB RAM · 250 MHz
STM32H7
STMicroelectronics
1024 KB RAM · 480 MHz
STM32L4
STMicroelectronics
128 KB RAM · 80 MHz
STM32L5
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256 KB RAM · 110 MHz
STM32U5
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786 KB RAM · 160 MHz
STM32WB
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256 KB RAM · 64 MHz
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