Difference Between 60Hz and 120Hz: Which Is Better?

Discover the core differences between 60Hz and 120Hz refresh rates, how they affect gaming and video playback, and whether upgrading is worth it for you.

When shopping for a new smartphone, computer monitor, or television, you will inevitably encounter the term refresh rate. Measured in Hertz (Hz), this specification determines how many times per second your screen updates the image it displays. The most common comparison point in modern consumer electronics is the difference between 60Hz and 120Hz displays.

While standard screens have relied on 60Hz for decades, 120Hz technology has rapidly transitioned from a premium gaming niche into mainstream smartphones, laptops, and TVs. Understanding how these two standards compare is crucial for choosing the right device for your budget and performance needs. In this comprehensive guide, we will break down the technical realities, real-world benefits, and practical considerations of both options.

Understanding Refresh Rate (Hz) Basics

Before diving into the direct comparison, it is essential to understand what a refresh rate actually does. A display does not show continuous motion in the way real life unfolds. Instead, it projects a rapid succession of still images (frames) to trick your brain into perceiving smooth motion.

What Does Hertz (Hz) Mean in Displays?

Hertz is a unit of frequency that measures cycles per second. In the context of a screen, a 60Hz refresh rate means the display refreshes its image 60 times every second. A 120Hz refresh rate doubles this output, updating the display 120 times every single second.

How Refresh Rate Differs from Frame Rate (FPS)

It is common to confuse refresh rate (Hz) with frame rate (FPS). Frame rate is determined by the source device—such as a gaming console, computer, or media player—and represents how many frames of video data it can generate per second. Refresh rate is the maximum limit of what your physical monitor or screen can display. For example, if your computer generates 120 FPS but your monitor is capped at 60Hz, you will only see 60 frames per second.

The Core Difference Between 60Hz and 120Hz

The technical difference between 60Hz and 120Hz comes down to frame time, which is the amount of time a single frame remains on the screen. This mathematical difference fundamentally changes how we perceive on-screen motion.

Frame Time and Delivery Speed

On a 60Hz display, a new frame is drawn every 16.67 milliseconds (ms). On a 120Hz display, that window drops to just 8.33 milliseconds. Because the screen updates twice as fast, transitions between frames are much tighter, resulting in vastly superior visual clarity during fast-paced movements.

Perceptible Motion Blur Reduction

Because 120Hz displays update twice as frequently, they significantly reduce the visual artifact known as motion blur. When objects move quickly across a 60Hz screen, your eyes track the motion while the display holds the image for 16.67ms, creating a perceived smear. The faster frame delivery of 120Hz keeps images looking sharp and crisp, even during rapid camera pans.

How the Difference Between 60Hz and 120Hz Impacts Gaming

Gaming is the environment where the difference between 60Hz and 120Hz is most pronounced. For both casual and competitive gamers, upgrading to a higher refresh rate can directly impact in-game performance.

Decreased Input Lag and Latency

Input lag is the delay between pressing a button on your controller or keyboard and seeing that action occur on the screen. Because a 120Hz display updates every 8.33ms instead of 16.67ms, the delay between your physical input and the visual response is cut in half. This leads to a highly responsive, instantaneous feel that is critical in fast-paced genres like first-person shooters, racing games, and fighting games.

Smoother Tracking and Target Acquisition

In competitive gaming, tracking moving targets smoothly is key to accuracy. At 120Hz, an enemy moving across your screen will have twice as many visual updates, making their trajectory easier to predict. This reduces micro-stutters and allows for cleaner, more precise aiming.

Video Playback and Everyday Computing Benefits

While gamers reap the most obvious benefits, everyday users and movie enthusiasts will also notice a clear distinction when comparing these two refresh rates.

Eliminating Judder in 24fps Movies

Most standard cinematic movies are filmed at 24 frames per second. When you play a 24fps video on a 60Hz screen, the math does not divide evenly (60 divided by 24 is 2.5). To display this, TVs use a process called "3:2 pulldown," showing some frames twice and others three times, which can cause a subtle stuttering effect known as judder. A 120Hz screen divides 24 evenly (120 divided by 24 is exactly 5). Each frame of a movie is displayed exactly five times, resulting in perfectly smooth, judder-free cinematic playback.

Fluid UI Navigation and Web Scrolling

Even if you are just scrolling through a website, checking emails, or navigating your operating system's user interface, the difference is immediately noticeable. Text remains legible while scrolling rapidly, animations look incredibly fluid, and dragging windows across a desktop feels effortless compared to the relative stutter of a 60Hz panel.

Battery Life and Hardware Demands

While 120Hz offers superior visual performance, it is not without its trade-offs. Operating at a higher refresh rate requires more processing power and energy consumption.

Impact on Smartphone and Laptop Battery Life

Driving a display at 120Hz requires the graphics processor and display driver to work twice as hard, which naturally drains battery life faster. To combat this, many modern smartphones and premium laptops use adaptive or variable refresh rate (VRR) technology (like Apple's ProMotion or LTPO panels). These screens dynamically scale down to 10Hz or even 1Hz when viewing static content, and ramp up to 120Hz only when motion is detected.

Increased Demands on Graphics Hardware

To fully utilize a 120Hz monitor or TV for gaming, your computer's graphics card (GPU) or your console must be powerful enough to output 120 frames per second at your desired resolution. If your hardware can only generate 60 FPS in a demanding modern game, a 120Hz monitor will not offer a smoother gaming experience unless you lower your graphical settings to boost frame rates.

Which Refresh Rate is Right for You?

Deciding between 60Hz and 120Hz ultimately depends on your budget, your primary use cases, and the type of device you are purchasing.

When to Choose 60Hz

A 60Hz display is still the industry standard and remains perfectly adequate for many users. You should opt for 60Hz if you are on a tight budget, primarily use your device for office work, writing, or casual web browsing, or if you play slow-paced strategy and puzzle games where high frame rates offer no competitive advantage.

When to Upgrade to 120Hz

You should prioritize a 120Hz display if you play action-oriented video games, watch highly dynamic sports content, or simply appreciate premium, fluid aesthetics in your daily device interactions. For modern consoles like the PlayStation 5 and Xbox Series X, a 120Hz TV is highly recommended to unlock their full performance potential.

Frequently Asked Questions

Can the human eye actually tell the difference between 60Hz and 120Hz?

Yes, the vast majority of people can easily perceive the difference between 60Hz and 120Hz. The transition looks much smoother, particularly during fast camera movements, scrolling, or gaming. While some users may adapt to it quickly, switching back to a 60Hz screen after using 120Hz often feels noticeably sluggish.

Does a 120Hz display use more battery on a smartphone?

Yes, keeping a display locked at 120Hz will consume more battery power. However, most modern smartphones feature variable refresh rate (VRR) technology, which automatically lowers the refresh rate when looking at static images or text, minimizing the impact on battery life.

Do I need a special cable to run 120Hz?

Yes, depending on your resolution. To run 120Hz at 4K resolution (common on modern TVs and consoles), you will need an HDMI 2.1 cable. For PCs, DisplayPort 1.4 or higher is the standard connector used to achieve high refresh rates at high resolutions.

Will 120Hz make regular TV shows and YouTube videos look better?

Most standard TV broadcasts and YouTube videos are shot at 30fps or 60fps, so they will not look inherently smoother on a 120Hz screen. However, 24fps cinematic movies will benefit from the elimination of judder, as 120 is a perfect multiple of 24.

Is 120Hz worth it for basic office work?

While not strictly necessary, 120Hz does make office work more comfortable. Scrolling through long spreadsheets, PDF documents, and websites feels significantly smoother, which can help reduce eye fatigue over long working hours.

Conclusion

In summary, the difference between 60Hz and 120Hz is highly impactful, offering twice the image updates per second. This translates directly into smoother motion, reduced input lag, and a more responsive, premium feel across all types of interactive media. While 60Hz remains a cost-effective choice for everyday tasks, upgrading to 120Hz is one of the most noticeable visual enhancements you can make to your computing, viewing, and gaming setups.

What Is the Difference Between 60Hz and 120Hz?