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Efinix launched the Topaz FPGA family on July 23, 2024, to bring its programmable-logic architecture into mainstream, high-volume designs. Built on the same 16-nm CMOS process as Titanium, Topaz spans seven devices from 52,160 to 326,080 logic elements. Selected parts add LPDDR4, PCIe Gen3, 12.5-Gbps transceivers and hardened quad-core RISC-V processors. Efinix’s current product page says it will support Topaz customer designs until at least 2045, although that is a company commitment rather than an independently audited guarantee.
“Mass market” here means cost-sensitive production equipment—not a cheap hobbyist board or a consumer-retail chip. The real question is whether Topaz’s exchangeable logic and routing (XLR) fabric, interfaces and software ecosystem can deliver a better total design than an AMD, Intel, Lattice, Microchip FPGA, processor or ASIC for a particular workload.
What Efinix launched
Efinix announced Topaz as a complementary family to Titanium, not as a replacement for every Titanium design. Topaz targets volume products that need FPGA flexibility, compact packages, low power and high-speed connectivity without committing immediately to a custom ASIC. Efinix positions Titanium as the upgrade path when a design needs substantially more logic or performance.
The launch announcement describes Topaz as a 16-nm CMOS family. The current lineup and application descriptions are published on Efinix’s Topaz product page.
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- Designed for students and beginners looking to understand Digital Logic, fundamentals of FPGAs
- Features the Xilinx Artix 7 FPGA compatible with Vivado Design Suite WebPACK Edition (free download available from Xilinx)
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- Expansion opportunities with four Pmod ports including 3 standard 12-pin Pmod ports and 1 dual
- Does NOT ship with micro USB cable
What “mass market” means—and does not mean
In semiconductor terms, mass market means repeatable, high-volume production with close attention to bill of materials, package cost, supply continuity and design reuse. Topaz is aimed at equipment makers that may otherwise choose a microcontroller, embedded processor, ASIC or larger FPGA.
Efinix names machine vision, robotics, industrial printing, wireless repeaters, broadcast imaging and controls, medical ultrasound, automotive-related systems and IoT among its target applications. The parts still require FPGA expertise: RTL development, verification, timing closure, board design, signal-integrity analysis and production qualification. “Mass market” does not imply consumer pricing, a plug-and-play development experience or guaranteed low unit cost.
Topaz device lineup
The following is the family-level summary on Efinix’s current page. Resources can vary by package, speed grade, I/O-bank arrangement and device revision, so a production design must use the applicable datasheet, pinout, selector guide and errata.
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| Device | Logic elements | 10K RAM | DSP blocks | LPDDR4 | Hardened RISC-V | PCIe Gen3 | Transceivers |
|---|---|---|---|---|---|---|---|
| Tz50 | 52,160 | 2.40 Mb | 140 | — | — | — | — |
| Tz75 | 75,520 | 5.34 Mb | 264 | 1 × 32 | Quad-core | 1 ×4 | 2 ×4 |
| Tz100 | 101,440 | 6.32 Mb | 312 | 1 × 32 | Quad-core | 1 ×4 | 2 ×4 |
| Tz110 | 120,584 | 6.41 Mb | 320 | 1 × 32 | — | — | — |
| Tz170 | 161,008 | 11.14 Mb | 544 | 1 × 32 | Quad-core | 1 ×4 | — |
| Tz200 | 215,360 | 15.77 Mb | 840 | 2 × 32 | Quad-core | 2 ×4 | 4 ×4 |
| Tz325 | 326,080 | 19.22 Mb | 1,008 | 2 × 32 | Quad-core | 2 ×4 | 4 ×4 |
Across selected devices, Efinix lists up to 12.5-Gbps transceivers, MIPI D-PHY up to 2 Gbps, 139–200 high-speed I/Os, as many as 12 PLLs and 27–84 high-voltage I/Os. Packages range from a 100-ball, 0.5-mm-pitch FBGA measuring 5.5 mm × 5.5 mm to a 900-ball, 0.8-mm-pitch FBGA measuring 25 mm × 25 mm.
Rank #2
- Arty A7 comes in two FPGA variants: Arty A7-35T features Xilinx XC7A35TICSG324-1L. Arty A7-100T features the larger Xilinx XC7A100TCSG324-1.
- Internal clock speeds exceeding 450MHz, On-chip analog-to-digital converter (XADC), Programmable over JTAG and Quad-SPI Flash
- 256MB DDR3L with a 16-bit bus @ 667MHz, 16MB Quad-SPI Flash, USB-JTAG Programming circuitry, Powered from USB or any 7V-15V source
- 10/100 Mbps Ethernet, USB-UART Bridge
- 4 Switches, 4 Buttons, 1 Reset Button, 4 LEDs, 4 RGB LEDs, 4 Pmod connectors, shield connector
Why XLR architecture matters
Conventional FPGAs generally reserve separate silicon resources for logic and routing. A design with difficult interconnect can run out of routing even when logic remains available; another design can leave routing capacity underused while needing more logic.
Efinix’s exchangeable logic and routing (XLR) cells are intended to let the implementation tools use cells as logic or interconnect according to the design. The company says this reduces the fixed logic-versus-routing trade-off. An independent 2024 report explains the contrast with conventional LUT-and-routing fabrics.
XLR is not a universal performance multiplier. Utilization, congestion, clocking, DSP and memory use, timing constraints and I/O placement still determine results. Efinix claims such as higher frequency, lower power or improved efficiency should be tested with representative RTL and board conditions. Logic-element counts are also not directly interchangeable with LUT counts from other vendors.
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Topaz versus Titanium
| Consideration | Topaz | Titanium |
|---|---|---|
| Portfolio role | Mainstream, cost- and volume-oriented designs | Broader performance and density platform |
| Published density | 52,160–326,080 logic elements across seven devices | Roughly 35,000 to 2 million logic elements across Titanium, Titanium Edge and Titanium Transceiver variants |
| Interfaces | Selected LPDDR4, PCIe Gen3, RISC-V and 12.5-Gbps transceivers | Broader high-end transceiver, PCIe and edge-device options |
| Migration role | Starting point for mainstream products | Upgrade when Topaz capacity or performance is insufficient |
| Published lifecycle position | Support for customer designs until at least 2045 | Support for customer designs until at least 2045 |
Use a real design to decide where the boundary lies. A Topaz part may be a better fit for a compact vision or control product, while Titanium is more appropriate for very large datapaths, more transceivers or demanding performance targets. Efinix describes migration from Topaz to Titanium when additional capacity is required.
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- [Application scenarios] Tang Nano 20K Open source Development Board supports game console emulators, drives RGB screens, multiple display outputs, 20K LUT4, RISC-V soft-core experiments.
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Interfaces that map to real workloads
MIPI and LVDS
MIPI D-PHY supports camera and sensor connections in machine vision and imaging. LVDS remains useful for industrial sensors, displays and existing differential links. Lane count, voltage standards and package pinout must be checked for the exact device.
LPDDR4 and on-chip processing
LPDDR4 provides external bandwidth for frame buffers, image pipelines and embedded applications. Tz50 has no LPDDR4 in the family table; larger listed devices provide one or two 32-bit interfaces. Memory wiring, controller support and timing should be validated before schematic freeze.
PCIe, Ethernet and transceivers
Selected devices provide PCIe Gen3 for host or accelerator connectivity and transceivers rated up to 12.5 Gbps. These features can support sensor aggregation, industrial networking and machine-vision systems, but they are not family-wide capabilities. Ethernet use, including up-to-10GE applications, also depends on the chosen PHY, protocol IP and board implementation.
DSP and RISC-V
DSP blocks suit filtering, image processing, motor control and other fixed-rate pipelines. Hardened quad-core RISC-V blocks are present only on selected parts, where they can run control-plane software alongside FPGA datapaths. A buyer must not assume that every Topaz device contains a processor.
Rank #4
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Development flow and available hardware
Efinix’s Efinity flow covers synthesis, place-and-route, timing analysis, debugging and bitstream generation. A practical bring-up sequence is:
- Choose the device and package around required I/O, memory, PCIe, transceivers, DSP and clocking.
- Install the Efinity release that supports that device and match its IP and reference designs.
- Prototype on an evaluation board, then implement RTL and instantiate required Efinix IP or a Sapphire RISC-V subsystem.
- Run synthesis, place-and-route and timing analysis; use hardware debug to verify clocks, resets, interfaces and boot.
- Validate power, thermal behavior, signal integrity, memory timing and configuration on the target PCB.
- Qualify lifecycle, package continuity, distributor supply and production quantities before committing the layout.
The official Tz170 J484 development kit includes a Tz170, 256-Mbit LPDDR4, two 256-Mbit SPI NOR flash memories, MIPI/LVDS/GPIO and FMC connectivity, and USB-C configuration. Its page specifies a free Efinity license with one year of upgrades; another year of maintenance may be requested free of charge. Confirm the terms for standalone production use.
For Sapphire designs, Efinix offers an Eclipse-based Efinity RISC-V Embedded Software IDE powered by Ashling’s RiscFree IDE. The official IDE page lists Topaz debugging support under version 2025.1. Tool and IP compatibility should be checked for the exact release rather than assumed across versions.
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Packages and board complexity
The smallest 5.5-mm BGA can reduce area, but fine-pitch escape routing, power integrity, thermal paths and high-speed signal integrity can become harder. Larger packages provide more I/O and interfaces at the cost of board space and routing effort.
Best Value
- Digilent Basys 3 Artix-7 FPGA Trainer Board: Recommended for Introductory Users
Longevity
An August 2024 report cited Efinix’s commitment through at least 2037. Efinix’s current Topaz page now states at least 2045. The latter is the latest published position, but it does not guarantee stock for every package or speed grade from every distributor through that date.
Pricing and procurement
The reviewed official pages do not publish current Topaz component or kit prices. Quotes will vary with device, package, volume, geography and supply conditions. Efinix’s distributor directory identifies procurement channels, including Digi-Key and Future Electronics listings in the United States. Obtain a quotation and lead-time confirmation before treating a part as commercially viable.
Who should evaluate Topaz
- Teams building machine-vision, robotics, industrial-control, imaging or embedded products in sustained production.
- Designs that need programmable datapaths plus selected high-speed I/O, LPDDR4 or RISC-V integration.
- Organizations willing to benchmark Efinity and XLR with representative workloads rather than compare headline logic counts.
Topaz is a weaker fit for a hobbyist seeking inexpensive retail hardware, a team without FPGA or high-speed-board expertise, or a buyer that requires broad third-party board and IP availability without vendor engagement.
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Topaz is strategically important because it gives Efinix a family explicitly shaped for mainstream production rather than only differentiated, high-end FPGA projects. Its seven-device range, compact packages, selected PCIe/LPDDR4/transceiver options and XLR fabric make it credible for volume designs. The buying decision still depends on workload-level timing and power results, software comfort, package and memory feasibility, supply terms and total system cost. “Mass market” is an ambition and positioning statement; it is not proof that Topaz will outperform or cost less than a competing FPGA in every design.
Quick Recap
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