How Much RAM Do You Need for Gaming? 16GB vs 32GB vs 64GB

When choosing a gaming PC, it’s easy to focus on the graphics card and processor. But there’s another component that plays an important role in your gaming experience: RAM.

Whether you’re building your first gaming PC, upgrading an existing system or trying to decide whether 32GB is worth the extra money, choosing the right amount of memory can make a real difference.

But how much RAM do you actually need for gaming?

Is 16GB still enough? Should you upgrade to 32GB? And is there any point spending extra on 64GB?

Let’s break it down.

What Does RAM Actually Do in a Gaming PC?

RAM stands for Random Access Memory. It’s your computer’s short-term memory, temporarily storing the information your processor needs to access quickly.

When you’re gaming, RAM helps your system manage things like:

• Game assets and data currently being used.
• Background applications and Windows processes.
• Web browsers, Discord and other running software.
• Information needed as you move between applications.

Unlike an SSD, which stores your games and files permanently, RAM only holds information while your computer is running.

Having enough RAM allows your computer to handle these tasks without constantly moving data between memory and slower storage.

However, more RAM doesn’t automatically mean more FPS.

Once your system has enough memory for the game and everything else you’re running, adding more capacity often provides little benefit to average frame rates.

The key is having enough RAM for your needs without spending money unnecessarily.

Is 16GB RAM Enough for Gaming?

For many gamers, 16GB remains a perfectly usable amount of RAM.

If you primarily play competitive multiplayer titles, older games or less demanding releases, a well-configured 16GB system can still deliver an excellent experience.

Games such as Valorant, Counter-Strike 2 and many popular esports titles can run comfortably within a 16GB memory configuration, depending on your other applications and settings.

Advantages of 16GB RAM

• More affordable than higher-capacity configurations.
• Suitable for many popular games.
• A sensible starting point for budget gaming PCs.
• Leaves more of your budget available for other components.

When Might 16GB Become Limiting?

You may begin to notice limitations if you’re playing particularly memory-intensive games while running several applications in the background.

For example, having a game open alongside Discord, multiple browser tabs, streaming software and other applications can increase memory usage considerably.

When your system runs short of available RAM, Windows may need to rely more heavily on virtual memory stored on your SSD.

This can contribute to stuttering, longer loading times or reduced responsiveness.

Our verdict: 16GB can still be a good choice for budget-conscious gamers, particularly when paired with a balanced PC configuration.

Is 32GB RAM Worth It for Gaming?

For a new gaming PC, 32GB is the capacity we’d recommend considering first if your budget allows.

It provides additional headroom for modern games, background applications and multitasking without stepping into the higher costs associated with 64GB configurations.

While 32GB won’t necessarily deliver higher FPS than 16GB in every game, it can provide a more comfortable experience when memory demands increase.

Why Choose 32GB RAM?

• Plenty of memory for many demanding modern games.
• Additional capacity for multitasking.
• Useful for gaming alongside Discord, browsers and recording applications.
• Greater flexibility as software requirements evolve.
• A sensible option for mid-range and high-performance gaming PCs.

If you’re investing in a gaming PC you intend to keep for several years, the additional memory capacity can be worthwhile.

It’s particularly appealing for gamers who regularly switch between games, browser windows and other applications.

Will 32GB Give You More FPS Than 16GB?

Not necessarily.

In games that comfortably fit within 16GB, upgrading to 32GB may produce little or no improvement in average FPS.

However, in scenarios where 16GB becomes restrictive, additional memory can help reduce performance issues caused by insufficient capacity.

The difference depends on the game, your graphics settings and what else your computer is doing.

Our verdict: 32GB represents an excellent balance of capacity, flexibility and value for many new gaming PC builds.

Do You Actually Need 64GB RAM for Gaming?

For gaming alone, 64GB is generally more than most people need.

While there are workloads that can benefit from this much memory, most gamers won’t see a meaningful performance improvement simply by upgrading from 32GB to 64GB.

So, when does 64GB make sense?

When 64GB RAM Could Be Worthwhile

• Professional video editing and content creation.
• Working with large 3D projects.
• Running multiple virtual machines.
• Memory-intensive simulation or heavily modified games.
• Heavy multitasking alongside gaming.

For example, someone who games, edits high-resolution video and regularly works with demanding creative applications may benefit from the additional capacity.

But if your PC is primarily used for playing Call of Duty, Fortnite or other popular games, 64GB is unlikely to be necessary.

Our verdict: Excellent for specialised workloads, but usually unnecessary for a dedicated gaming PC.

16GB vs 32GB vs 64GB RAM: Quick Comparison

These are general recommendations. Actual memory requirements vary by game, software and system configuration.

Does RAM Speed Matter for Gaming?

Capacity isn’t the only consideration when choosing RAM.

Memory speed and latency can also influence performance, although the impact varies depending on your processor, motherboard and the games you play.

RAM specifications are commonly expressed using terms such as:

• DDR4 or DDR5: The generation of memory.
• MT/s: The memory’s data transfer rate, often advertised as its speed.
• CAS Latency (CL): One measure of memory response time.

DDR4 vs DDR5

DDR5 is the newer memory standard, offering higher transfer rates and other architectural improvements compared with DDR4.

However, newer doesn’t automatically mean faster in every game or configuration.

Your processor and motherboard determine which memory generation you can use.

DDR4 and DDR5 are not interchangeable, so it’s important to choose compatible components.

Should You Prioritise Speed or Capacity?

If you’re choosing between a smaller amount of very fast RAM and a larger amount of reasonably fast RAM, capacity is often the priority when the smaller configuration would leave your system short of memory.

Once you have sufficient capacity, memory speed and latency become more relevant considerations.

For most buyers, the best approach is to choose a balanced, compatible memory configuration rather than focusing on the biggest numbers.

Can You Upgrade Your Gaming PC’s RAM Later?

In many desktop gaming PCs, yes.

RAM is often one of the easier components to upgrade, provided your motherboard supports the additional capacity and the memory is compatible.

However, there are a few things worth checking:

• Your motherboard’s supported RAM generation.
• Maximum supported memory capacity.
• Available memory slots.
• Compatibility with existing memory modules.
• Whether your processor and motherboard support the intended memory settings.

Mixing different RAM kits isn’t always recommended, even when they appear to have matching specifications.

For the most predictable results, using a compatible matched memory kit is generally preferable.

How Much RAM Should You Choose for Your Next Gaming PC?

Ultimately, the right amount of RAM depends on how you intend to use your system.

Here’s our recommendation.

Choose 16GB if: You’re building a budget gaming PC, mainly play less demanding games and want to prioritise spending on your processor or graphics card.

Choose 32GB if: You’re buying a new gaming PC, play a variety of modern games or regularly multitask while gaming.

Choose 64GB if: Your PC doubles as a workstation for demanding creative applications or other specialist workloads.

For most gamers buying a new mid-range or high-performance system, 32GB would be our recommendation.

It offers useful headroom without the additional expense of capacity that may never be used.

Build a Gaming PC That Works for You

At MK Rigs, we believe the best gaming PC isn’t necessarily the one with the biggest specifications. It’s the one that delivers the performance you actually need.

That’s why choosing a balanced configuration matters.

Whether you’re looking for an affordable gaming PC or a powerful system for demanding games and creative workloads, getting the right combination of processor, graphics card and RAM is key.

Explore our range of gaming PCs and configure a system that suits your games, your budget and your ambitions.

Explore MK Rigs Gaming PCs