FPGAs vs. Traditional Smartphone Processors: Pros and Cons

Niranjana R


FPGAs and smartphone processors are two titans that stand out in the world of computing, where speed, efficiency, and adaptability rule supreme.

Each of these technical behemoths has a distinct set of skills that can completely change how we tackle computing problems. They are the product of decades of progress.

The chameleons of the processing world, FPGAs, are on the other side.

These Field-Programmable Gate Arrays are the pinnacle of adaptability, enabling programmers to modify hardware to precisely meet their requirements with a single word.

With their unmatched performance and immediate reactivity, FPGAs excel in applications where customization is crucial. Their complex programming and increased price can, however, provide significant difficulties.

On the other hand, there are smartphone processors, the unsung heroes of our digital age.

These processors, which are frequently based on ARM architecture, are tucked away beneath the svelte exteriors of our mobile devices and serve as the silent workhorses that drive our daily interactions.

Smartphone processors, which are renowned for their energy efficiency, cost-effectiveness, and integration, are now an essential part of contemporary life.

However, despite being appropriate for general-purpose jobs, its universal design may not always be sufficient for particular applications.

We explore the core of contemporary computing, where the search for the optimum processing solution takes center stage, in this comparison of FPGAs and smartphone CPUs. We examine the benefits and drawbacks of these two technologies, as well as their potential applications, financial implications, and the rapidly expanding field of processing technology. Discover with us which processor holds the key to the future of computation as we set out on our quest.

Smartphone Processors

Mobile SoCs (System-on-Chips), sometimes known as smartphone processors, are the brains and heart of contemporary smartphones and other portable gadgets. These processors emphasize striking a balance between performance, power efficiency, and integration as they are tailored expressly for the special demands of mobile computing. We’ll go further into the realm of smartphone CPUs in this section as we examine their architecture, salient characteristics, and common applications.

A. Explanation of Traditional Smartphone Processors

System-on-Chip (SoC): The central processing unit (CPU), graphics processing unit (GPU), memory controllers, and other hardware accelerators are all integrated into the smartphone processor, which effectively functions as a single chip. Power efficiency and compactness are the results of this integration.

ARM Architecture: The majority of smartphone CPUs are based on the ARM (Advanced RISC Machine) architecture, which is popular in the mobile sector due to its energy-efficient design.

Cores: The majority of CPU cores in smartphone CPUs are often a combination of high-performance and power-efficient cores. This heterogeneous design enables effective power management and multitasking.

B. Typical Features and Specifications of Smartphone Processors

Clock Speed: Smartphone processor clock speeds are expressed in gigahertz (GHz), which represents the number of cycles they can process in a second. Depending on the model and maker of the processor, the clock speed varies.

Cores: Common configurations include dual-core, quad-core, hexa-core, and octa-core processors. For improved multitasking and performance, some high-end processors even have multiple cores.

GPU: The GPU, which is frequently built into the same chip, is essential for processing graphics-demanding applications like gaming and video playback. Popular GPU architectures include Mali (ARM), PowerVR (Imagination Technologies), and Adreno (Qualcomm).

Manufacturing Process: Advanced semiconductor production techniques, often measured in nanometers (e.g., 7nm, 5nm), are used to create smartphone processors. Greater power efficiency is typically achieved by using smaller nanoscale technologies.

AI Acceleration: The AI (Artificial Intelligence) hardware found in many current smartphone processors is specifically designed to do tasks like image recognition, language processing, and better camera performance.

C. Common Uses and Advantages of Smartphone Processors

Efficient General-Purpose Computing: Smartphone CPUs are excellent at doing routine tasks like online surfing, email, social media, and app operation. For these jobs, they provide a balance between performance and power efficiency.

Multimedia: Smartphone processors are optimized for multimedia playback, enabling smooth video streaming, 3D gaming, and high-quality audio experiences.

Long Battery Life: The power-efficient design of smartphone processors ensures extended battery life, a crucial factor for mobile devices.

Connectivity: These processors often incorporate various connectivity options like Wi-Fi, Bluetooth, and cellular modem support, enhancing the versatility of smartphones.

Pros and Cons of Smartphone Processors

Modern mobile devices are now powered by smartphone CPUs, which are frequently based on the ARM architecture. They are created to balance cost-effectiveness, performance, and power efficiency. Here, we’ll explore the benefits and drawbacks of various processors:

Pros of Smartphone Processors:

Energy Efficiency: The energy efficiency of smartphone CPUs is one of their most notable characteristics. They are made to work well while using the least amount of power and are ideal for mobile devices. An important consideration for mobile users is battery life, which can be extended thanks to this efficiency.

Integration: The CPU, GPU, modem, and other parts are all integrated into a single chip in smartphone CPUs. Compact mobile devices are appropriate for this integration since they decrease the device’s physical footprint and battery consumption.

Cost-Effective: Processors for smartphones are affordable for mass production. They are cost-effective due to the standardized designs and huge production numbers, which enable a variety of manufacturers to create competitive devices.

General-Purpose Computing: These processors are suitable for a variety of tasks, including social media, video playing, web surfing, and regular app usage. They provide a performance balance for regular jobs.

Ecosystem Support: Smartphone processors benefit from a rich ecosystem of software and app development. The prevalence of smartphones has led to a vast library of apps and services optimized for these processors, enhancing their usability.

Cons of Smartphone Processors:

Limited Customization: The architecture of smartphone processors is largely constant. They lack the adaptability to be modified for specialized purposes, unlike FPGAs or custom ASICs. For applications that demand particular hardware optimizations, this restriction may be a disadvantage.

Limited Performance for Specialized Tasks: Smartphone CPUs are excellent at doing routine activities, but they may struggle with performance-demanding tasks like high-end gaming, AI/ML, and scientific simulations. Dedicated GPUs or other specialist technology may be required for certain tasks.

Not Ideal for Real-Time Applications: Smartphone processors may present problems for real-time applications that require quick reactions. Because of their focus on power saving, these CPUs can exhibit a little lag in key situations.

Dependency on Moore’s Law: Smartphone processors have relied heavily on the advancements predicted by Moore’s Law, which may slow down in the future. As transistors become smaller, the room for performance improvements may decrease, potentially affecting the rate of innovation in this field.

Applications of FPGAs vs. Traditional Smartphone Processors

Let’s discuss the real-world uses for these processors outside of smartphones. Due to their parallel processing capabilities, which enable the real-time processing of significant volumes of sensor data, FPGAs are frequently utilized in the automobile sector for sophisticated driver assistance systems and autonomous driving technologies. Traditional smartphone CPUs, on the other hand, have found usage in infotainment and in-car communication systems, where their potent single-core performance is beneficial.

Because they can manage big, sophisticated algorithms while using little power, FPGAs are becoming more and more common in the healthcare sector for medical imaging applications. However, smartphone processors are used in telemedicine or remote healthcare applications because of their portability and affordable price.

FPGAs are now the preferred choice for critical applications in fields like aerospace and defense that demand highly optimized and specialized hardware. Gaming, social media, and other common smartphone applications work best with conventional smartphone processors. 

FPGAs are the way to go if performance and customization are what you’re looking. Traditional smartphone processors are the best option, though, if you’re searching for price and versatility.


FPGAs and smartphone processors offer different methods in the changing world of processing technologies, each with specific advantages and disadvantages. Despite having a higher complexity and cost, FPGAs excel in specialized, high-performance applications that require flexibility and real-time capabilities. Smartphone processors, on the other hand, excel in common applications thanks to their high energy efficiency, cost-effectiveness, and integration.

The particular requirements of the task at hand determine which of these technologies is best. The needs for customization, budgetary restrictions, and project requirements must all be carefully considered by developers and decision-makers. We should expect more innovation and hybrid solutions that bridge the gap between these two paradigms as technology develops. Making wise decisions will be essential to maximizing the potential of processing technologies in this dynamic environment.

We hope that this blog post has aided you in better understanding the advantages and disadvantages of FPGAs and traditional smartphone CPUs. Choosing the technology that best meets your needs is ultimately the most important lesson to learn—after all, you are the expert!


Leave a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Beyond Circuit Podcast by Logic Fruit: High-speed video interfaces in Indian Aerospace & Defence.