Nordic Semiconductor
128 KB SRAM with FPU and DSP provides solid base for ML inference on Cortex-M4F. Double the RAM of nRF52832 enables more complex models while maintaining BLE connectivity.
| Processor | ARM Cortex-M4F @ 64 MHz |
| Cores | 1 |
| Clock | 64 MHz |
| SRAM | 128 KB |
| Flash | 512 KB |
| FPU | single |
| Connectivity | Bluetooth 5.1 LE, 802.15.4 (Thread/Zigbee), NFC-A |
| Key Features | Bluetooth Direction Finding (AoA/AoD), 802.15.4 for Thread/Zigbee/Matter, USB 2.0 full-speed, Single-precision FPU, Operating range: -40 to +105 C |
| Price | $3–$5 (chip), $10–$25 (dev board) |
4 dev boards available across PlatformIO registries.
Excellent
Nordic Semiconductor's nRF52833 excels at anomaly detection via Edge Impulse. The 1-core cortex-m4f at 64 MHz with 128 KB SRAM handles 15 KB…
Excellent
Nordic Semiconductor's nRF52833 excels at anomaly detection via TFLite Micro. The 1-core cortex-m4f at 64 MHz with 128 KB SRAM handles 15 KB…
Good
Running fall detection on the nRF52833 with Edge Impulse is practical. 128 KB SRAM meets the 64 KB minimum with 2.0x headroom. The 64 MHz co…
Good
Running fall detection on the nRF52833 with TFLite Micro is practical. 128 KB SRAM meets the 64 KB minimum with 2.0x headroom. The 64 MHz co…
Good
The nRF52833 handles gesture recognition effectively with Edge Impulse. 128 KB SRAM at 64 MHz provides 2.0x headroom over the 64 KB requirem…
Good
The nRF52833 handles gesture recognition effectively with TFLite Micro. 128 KB SRAM at 64 MHz provides 2.0x headroom over the 64 KB requirem…
Good
Running predictive maintenance on the nRF52833 with Edge Impulse is practical. 128 KB SRAM meets the 64 KB minimum with 2.0x headroom. The 6…
Good
Running predictive maintenance on the nRF52833 with TFLite Micro is practical. 128 KB SRAM meets the 64 KB minimum with 2.0x headroom. The 6…
Good
The nRF52833 handles sound classification effectively with Edge Impulse. 128 KB SRAM at 64 MHz provides 2.0x headroom over the 64 KB require…
Good
Nordic Semiconductor's nRF52833 is a solid choice for sound classification using TFLite Micro. The cortex-m4f core at 64 MHz with 128 KB SRA…
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512 KB RAM · 200 MHz
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80 KB RAM · 72 MHz
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512 KB RAM · 216 MHz
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128 KB RAM · 170 MHz
STM32H5
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640 KB RAM · 250 MHz
STM32H7
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1024 KB RAM · 480 MHz
STM32L4
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128 KB RAM · 80 MHz
STM32L5
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STM32U5
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STM32WB
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