Digilent Arty A7-100T vs Digilent Nexys A7 (Artix‑7 FPGA)
Side-by-side comparison of features, pricing, ratings, and alternatives.
The Arty A7‑100T is a low‑cost, Arduino‑compatible development board that integrates a Xilinx Artix‑7 100‑pin FPGA, offering high‑performance programmable logic in a small form factor. It includes a rich set of peripherals such as PMOD, Arduino headers, and HDMI, making it ideal for both learning and building real‑world projects. Designed for makers, students, and engineers, the board supports Vivado Design Suite and provides extensive documentation and reference designs, enabling quick start‑up and easy integration into custom hardware solutions.
The Nexys A7 features a Xilinx Artix‑7 7‑series FPGA with 33,600 logic cells, providing ample resources for digital design, embedded processing, and hardware‑accelerated projects. It includes a rich set of peripherals such as VGA, HDMI, audio codec, USB-UART, and a suite of push‑buttons and LEDs for rapid prototyping. Designed for university labs and hobbyist makers, the board ships with a comprehensive reference design library, Vivado Design Suite support, and easy‑to‑use breakout connectors, making it ideal for learning HDL, building custom accelerators, or creating interactive hardware demos.
- High‑density Artix‑7 FPGA at a low price
- Arduino‑compatible headers simplify peripheral integration
- Extensive I/O options with PMOD and FMC connectors
- Open‑hardware resources and community support
- Rich peripheral set reduces need for external modules.
- Strong community and extensive documentation.
- Compatible with Xilinx Vivado and free WebPACK license.
- Robust power regulation for stable operation.
- Requires Vivado (Windows/Linux) which has a steep learning curve
- Limited on‑board memory; external RAM needed for large designs
- No built‑in Wi‑Fi or Bluetooth connectivity
- Limited to 100‑pin FPGA package; larger designs may outgrow resources.
- No built‑in Wi‑Fi or Bluetooth; requires external modules.
- Board size is larger than some ultra‑compact development kits.
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View all →The Verdict
AI-generated from listing dataBoth boards cost $199 and use the same Artix‑7 FPGA family, but the Arty A7‑100T is ultra‑compact with Arduino compatibility, while the Nexys A7 offers far more built‑in memory and peripherals.
Key differences
- •Memory: Nexys A7 includes 16 MB SDRAM and 128 MB QSPI flash; Arty A7‑100T has limited on‑board memory, requiring external RAM.
- •I/O density: Arty A7‑100T provides two Arduino headers, four PMODs, and two FMC‑LPC slots; Nexys A7 has only one Arduino header, two PMODs, plus VGA/HDMI and audio.
- •Form factor: Arty A7‑100T is 87 × 53 × 15 mm (150 g); Nexys A7 is larger at 152 × 102 × 25 mm (350 g).
- •Peripheral set: Nexys A7 includes VGA, HDMI, audio codec, 7‑segment displays, and LEDs; Arty A7‑100T only offers HDMI video output.
- •Warranty: Nexys A7 comes with a 2‑year warranty; Arty A7‑100T offers 1‑year warranty.
Performance
Both use the same Artix‑7 XC7A100T FPGA with comparable logic cell counts.
Build quality
Nexys A7’s larger board includes robust power regulation and more components, indicating higher build robustness.
Connectivity
Nexys A7 provides VGA, HDMI, audio codec, and more I/O ports; Arty A7‑100T only has HDMI and Arduino/FMC connectors.
Power & efficiency
Arty A7‑100T is USB‑powered and lighter (150 g), implying lower power consumption than the heavier Nexys A7.
Compatibility
Arty A7‑100T includes two Arduino Uno R3‑compatible headers, easing integration with Arduino shields.
Price & value
Both boards are priced the same at $199.
Warranty & support
Nexys A7 offers a 2‑year warranty versus 1‑year for Arty A7‑100T.
Choose Digilent Arty A7-100T if…
Ideal for space‑constrained projects needing Arduino compatibility and minimal peripherals.
Choose Digilent Nexys A7 (Artix‑7 FPGA) if…
Best for projects requiring extensive on‑board memory, video/audio I/O, and richer debugging displays.
Common questions
Do I need to buy extra RAM for the Arty A7‑100T?
Yes; the Arty A7‑100T has limited on‑board memory and external RAM is required for larger designs.
Which board supports VGA output?
Only the Nexys A7 includes a VGA connector; the Arty A7‑100T provides HDMI only.
Is the Arduino shield ecosystem usable on both boards?
The Arty A7‑100T has two Arduino Uno R3‑compatible headers; the Nexys A7 has only one Arduino header.