In BLIIoT’s ARMxy Series ARM Embedded Industrial Computers, different models adopt Cortex-A53 or Cortex-A55 processors to meet diverse industrial needs.
BL410: RK3568J Quad-core Cortex-A55
BL340: Allwinner T507 Quad-core Cortex-A53
BL350: TI AM62x Series 2/4-core Cortex-A53
BL360: NXP i.MX8M MINI Quad-core Cortex-A53
BL370: RK3562J Quad-core Cortex-A53 with 1 TOPS NPU
Based on the performance comparison below, users can select the right ARMxy embedded industrial computer for their application.
The BL340 Series ARM Embedded Computer, based on the Allwinner T507-H Quad-core Cortex-A53, is a flexible industrial-grade controller with configurable I/O ports. It supports industrial edge computing, control, intelligent terminals, and IoT gateways.
CPU: 4-core Cortex-A53, up to 1.4GHz
Memory: 1/2GB DDR4
Storage: 8/16GB eMMC
Features: Rich I/O interfaces, wide software compatibility
Applications: IoT gateway, industrial edge computing, industrial control, charging stations, energy storage gateways, and smart terminals
| Feature | Cortex-A53 | Cortex-A55 |
|---|---|---|
| ISA | ARMv8-A (backward compatible with ARMv7) | ARMv8.2-A |
| Pipeline | 8-stage in-order | 10-stage out-of-order |
| Decode Width | 2-issue | 3-issue |
| Branch Prediction | Static | Dynamic (+20% accuracy) |
Key Differences:
Cortex-A55 supports ARMv8.2 int8/int16 AI instruction set, boosting ML performance by 2–3x.
Out-of-order execution improves IPC (instructions per cycle) by ~15%.
| Test Item | A53 (1.8GHz) | A55 (1.8GHz) | Improvement |
|---|---|---|---|
| SPECint2006 | 5.2 | 6.0 | +15% |
| Floating-point (GFLOPS) | 14.4 | 21.6 | +50% |
| AI Inference (ResNet18) | 12 FPS | 28 FPS | +133% |
Measured Data:
DMIPS/MHz improved from 2.3 (A53) → 2.7 (A55)
Memory latency reduced by 30% (thanks to enhanced prefetcher)
| Parameter | Cortex-A53 | Cortex-A55 |
|---|---|---|
| 28nm Power Consumption | 220mW | 180mW |
| 16nm Energy Efficiency | 1.0x | 1.4x |
| Idle Power | 50mW | 30mW |
Efficiency Optimizations:
Clock gating reduces dynamic power by 20%
Supports finer DVFS scaling (40% faster frequency switching)
Cortex-A55 New Features:
Pointer Authentication (PAC) – defense against ROP attacks
Branch Target Identification (BTI) – enhanced code security
AMBA 5 CHI Bus – improved multi-core communication
Accelerator Coherency Port – easier NPU/DSP integration
| Scenario | A53 Recommended Solution | A55 Upgrade Advantage |
|---|---|---|
| Industrial Applications | Allwinner T507 (Quad A53), RK3562J | Rockchip RK3568J (Quad A55) |
Choose Cortex-A55 when:
✓ You need ARMv8.2 instruction set support
✓ Higher energy efficiency is required
✓ Lightweight AI acceleration is needed
Stick with Cortex-A53 when:
✓ Cost sensitivity is critical
✓ Running only lightweight RTOS workloads
✓ Existing A53-based design is already mature
