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Altera Agilex 3 is a lower-cost, power-optimized FPGA and SoC FPGA family for compact industrial, networking, robotics, vision and edge-AI products. Announced on March 10, 2025, it extends Agilex technology into the segment long associated with Cyclone devices. The important qualification is that Agilex 3 is a migration candidate—not a pin-, software- or board-compatible Cyclone V replacement.
What launched
Altera positioned Agilex 3 as the entry point for newer Agilex technology in cost- and power-sensitive designs. The family combines programmable FPGA fabric with hardened interfaces, DSP and AI resources, security features, and—on SoC variants—a dual-core Arm Cortex-A55 processor subsystem.
The launch announcement said devices were orderable on March 10, 2025. That is a dated launch claim, not proof of current distributor stock, lead times or volume availability in 2026. Confirm the exact ordering code through Altera’s current product page, its device-support and lifecycle index, and an authorized distributor.
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The following are family-level maximums from Altera product material; every device does not include every feature.
#1 Best Overall
- Digilent Basys 3 Artix-7 FPGA Trainer Board: Recommended for Introductory Users
| Feature | Official Agilex 3 figure |
|---|---|
| Logic density | 25,000–135,000 logic elements |
| Smallest package | Approximately 12 × 12 mm |
| Fabric performance versus Cyclone V | Up to 1.9×, vendor claim |
| Total power versus Cyclone V | Up to 38% lower, vendor claim |
| High-speed transceivers | Up to four at 12.5 Gbps |
| PCIe | Hardened PCIe 3.0 ×4, device-dependent |
| Ethernet | Up to 10GbE-related hardened support, configuration-dependent |
| External memory | LPDDR4 up to 2,133 Mbps |
| SoC processor | Dual Arm Cortex-A55 cores, up to 800 MHz |
| DSP | Up to 368 18×19 multipliers |
| Fabric speed | Up to 345 MHz |
| MIPI | Up to 2.5-Gbps-per-lane D-PHY, lane count varies |
| AI resources | Tensor blocks and INT8 acceleration |
Published AI figures differ between official brief revisions: one cites 2.5 TOPS, another 3.6 TOPS, while the product page highlights up to 2.8 peak INT8 TOPS. Treat these as configuration- and revision-dependent peak figures and check the device datasheet.
Why a lower-end Agilex matters
Cyclone-class FPGAs remain useful in switches, servers, robotics, aircraft, industrial controllers and platform-management functions because they offer flexibility at relatively low power and cost. But older designs may be constrained by PCIe 2.0, DDR3-era memory, slower transceivers, limited AI resources and aging security features.
Agilex 3 addresses that gap without forcing every compact product into a larger Agilex 5 or Agilex 7 device. Its small packages and optional hard processor are aimed at smart factories, tiny PLCs, industrial IoT, motor and sensor control, machine vision, video-over-IP, robotics, rail and vehicle systems, EV charging, medical equipment and other long-lived embedded products.
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- Altera Cyclone IV FPGA includes 6,000 Logic Elements with two clock multipliers. The Cyclone IV FPGA is the perfect balance of inexpensive cost versus plentiful logic cells, 20KBytes of SRAM, and General Purpose Input/Output pins. This is a great board to learn how to program FPGA's.
- Built in programmer cable allows configuring the FPGA with a single USB-C cable. The DPL can be powered from the USB cable or from the Barrel Connector. A separate JTAG header can also be used to program the FPGA using a compatible USB Blaster cable.
- 6x6 LED Array allows character and animations to be displayed at ultra fast speed. LED blocks can be individually turned on/off to allow LED signals to be used as I/O's
- 70 Inputs/Outputs originating at the FPGA are available at Stackable Headers organized around the edge of the board. The user can configure these I/O's using the FPGA project code.
- The DPL contains two oscillators, 66MHz and 100MHz. The 66MHz oscillator is used to provide clocking for the EPT ActiveHost USB communications core. The 100MHz oscillator can be used by the user clocked up using one of the onboard Clock-DLL modules.
What the architecture changes
Second-generation HyperFlex
HyperFlex adds flexibility in the interconnect and register architecture to improve timing closure and achievable fabric frequency. In practice, results depend on placement, routing, clocking, pipelining, constraints and Quartus tool versions. “Up to 1.9×” is a best-case Altera fabric-performance claim, not a guaranteed application-throughput increase.
Arm processing beside custom logic
SoC variants integrate two Cortex-A55 cores at up to 800 MHz. They can run supervisory software, networking and peripheral management, sensor coordination, configuration services and selected preprocessing alongside FPGA datapaths. This is an integration and determinism advantage, not a claim that the HPS matches a modern application processor.
Interfaces, DSP and AI
PCIe 3.0, LPDDR4, faster transceivers, MIPI options, hardened Ethernet functions, DSP multipliers and tensor blocks let designers build compact datapaths with fewer external components. Security features support authenticated and encrypted configuration, useful for field-updatable industrial and infrastructure equipment.
Rank #3
- Altera 10M04SA FPGA with 4,000 Logic Elements. This FPGA Development Kit requires an external JTAG Programmer. The MAX10 FPGA is a great chip to learn FPGA programming with. The MAX10 includes the configuration flash, 12 bit ADC, 20KByte of SRAM and low voltage regulators on chip.
- The board includes a 50MHz Oscillator to provide high speed control over internal gates of the MAX 10 FPGA. With 4K Logic Elements, the User can create powerful projects. The MaxProLogic is 100% compatible with the Free Quartus Prime Lite software from Altera. Just download the Quartus software from Altera, and the User can create projects, compile the code, simulate the project in a digital simulator, then download to the MAX 10 using an external programmer.
- 8 Analog Input Channels; 12 bit; 1MSamples/Second. 65 Available I/O’s at connectors. A full datasheet of the MaxProLogic is available that describes all the hardward connections. Schematic is available to give the User further information about the hardware.
- 8 Green User configurable LEDs, On/Off controller. 1 Power Pushbutton Switch; 1 User Configurable Pushbutton Switch. Source code is available to assist the user in understanding how get up and running with the MaxProLogic board.
- Complete Development Kit with tutorials and source code. Please visit the MaxProLogic product page under the earthpeopletechnology website to access all schematics, user manual, data sheets and project files. The MaxProLogic tutorials will get the beginner up and learning Programmable Logic very quickly.
Agilex 3 versus Cyclone V
| Area | Cyclone V | Agilex 3 |
|---|---|---|
| Positioning | Mature low-cost, low-power family | Newer cost- and power-optimized Agilex family |
| Processor in SoC versions | Dual Cortex-A9 | Dual Cortex-A55, up to 800 MHz |
| Memory era | DDR3-class support | LPDDR4 up to 2,133 Mbps |
| PCIe | PCIe 2.0-class capability | Up to hardened PCIe 3.0 ×4 |
| AI | No Agilex tensor-block equivalent | Tensor and AI-oriented DSP resources |
| Migration | Existing qualified designs may continue | Requires new device, board, IP and timing evaluation |
The comparison is architectural, not a promise of one-to-one device equivalence. Pinout, voltage rails, configuration storage, memory wiring, package escape, HPS boot and peripheral assignments must all be redesigned or revalidated.
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Understanding the power claim
Altera’s product brief claims up to 38% lower total power than Cyclone V under stated conditions: Agilex 3 core power at 0.75 V versus Cyclone V core power at 1.1 V, both fully utilized at 150 MHz. That is not automatically a 38% reduction in board or system power. I/O, LPDDR4, transceivers, regulators, clocks and cooling can change the result substantially.
Likewise, peak fabric frequency does not equal end-to-end throughput or lower latency. Benchmark the actual design with its memory traffic, interfaces and utilization.
Rank #4
- FPGA Evaluation Platform: DE25-Standard Development Kit designed for evaluation of Intel Agilex 5E FPGA (A5ED013BB32AE4SR1) for advanced programmable logic applications
- Development and Education Focus: Comprehensive development board from Terasic's DE Series, ideal for learning, prototyping, and testing FPGA-based designs and SoC implementations
- Rich Connectivity Options: Features multiple USB ports, Ethernet, audio jacks (pink, blue, green), GPIO expansion headers, and various interfaces for versatile project development
- Interactive Components: Equipped with onboard buttons, switches, LED displays, and indicators enabling hands-on experimentation and debugging of digital logic designs
- Professional Grade Hardware: Robust construction weighing 2.425 pounds with high-quality PCB design, providing a stable platform for complex FPGA development projects
Where it fits—and where it does not
Good candidates include compact industrial controllers, robotics loops, machine-vision pipelines, protocol bridges, video processing, secure platform management, custom packet handling and edge inference where deterministic latency or unusual operators matter.
Use caution if the design needs immediate retail availability, a strict legacy silicon price, a drop-in replacement, or turnkey high-throughput AI. A GPU, NPU or dedicated accelerator may be more economical for standardized neural-network workloads; an MCU or MPU may be simpler for software-heavy control; an ASIC may win at very high volume when the algorithm is stable.
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1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteMigration checklist for Cyclone designs
- Choose the exact Agilex 3 ordering code and verify logic, DSP, tensor, HPS, transceiver, MIPI, memory and package options.
- Regenerate and review IP; do not assume Cyclone-specific blocks or constraints port unchanged.
- Rework pin assignments, voltage rails, clocks, configuration storage and LPDDR4 topology.
- Rebuild the HPS boot and software environment and validate Linux or other operating-system requirements.
- Run Quartus timing closure, power estimation and thermal analysis on representative workloads.
- Budget PCB redesign, development hardware, qualification and safety or regulatory recertification.
- Obtain device-specific pricing, lead time, production-volume and lifecycle commitments from Altera or an authorized distributor.
Agilex 3, Agilex 5 or Agilex 7?
Agilex 3 is the sensible starting point when board area, power and cost matter and the design needs modern interfaces or integrated control processing. Agilex 5 E-Series is a better fit when more logic, I/O, processing or bandwidth is required. Agilex 7 targets substantially higher-performance and bandwidth-intensive systems. Keeping Cyclone V may still be the lowest-risk choice when a qualified product meets its requirements.
Availability and cost reality
Altera’s public pages do not establish a universal MSRP, current stock position, lead time, or lifecycle date for every Agilex 3 package and speed grade. Pricing will vary by device, package, region, volume and negotiated supply agreement, while development boards, IP, tools and engineering support add to total cost. “Cost-optimized” describes the target segment; it does not prove a lower purchase price than Cyclone V.
Verdict
Agilex 3 is a credible next step for new compact FPGA/SoC designs and for carefully planned Cyclone migrations that need modern memory and I/O, better performance per watt, integrated Arm control or customizable edge AI. Its headline gains are promising but conditional, and the engineering work is real. Select it only after checking the exact device, toolchain, board changes, supply commitments and measured workload performance.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
