Call of Duty: Modern Warfare 4 PS5 vs Xbox Series X 120Hz Performance Review
If there is one thing I care about in a new Call of Duty, it is not whether the campaign has another Hollywood-sized explosion. Give me a clean 120Hz mode, responsive controls, stable frame delivery, and a picture sharp enough to see an enemy head peeking over a wall, and I am happy.
That is why Call of Duty: Modern Warfare 4 is particularly interesting on PlayStation 5 and Xbox Series X. Infinity Ward is finally leaving the PlayStation 4 and Xbox One behind, meaning the studio can build around current-generation hardware instead of constantly designing around machines that were already old when the previous Modern Warfare games arrived.
On paper, the Xbox Series X has the stronger GPU. In practice, however, the story is more complicated. Modern Warfare 4 makes some interesting choices with dynamic resolution, and those choices give the PS5 and Xbox Series X different strengths in 120Hz Performance Mode.
I have spent enough time with competitive shooters to know that a higher resolution number does not automatically make a version better. If the image is slightly sharper but the frame rate constantly bounces around during a gunfight, I will take the softer picture and smoother controls every single time.
So, which console is actually better for Modern Warfare 4?
PS5 vs Xbox Series X: The Quick Verdict
Here is the short version before we get into the technical details.
| Category | PS5 | Xbox Series X |
|---|---|---|
| 120Hz Multiplayer | More Stable | More Variable |
| Dynamic Resolution | 1080p–1440p | 1080p–1440p |
| Average Image Quality | Slightly Softer | Slightly Sharper |
| VRR Benefit | Useful | Highly Recommended |
| Campaign 120Hz | ~95–115 FPS | ~90–105 FPS |
| Best For | Competitive Players | Image Quality Fans |
If you want my personal pick, I would play multiplayer on PS5. The difference is not enormous, but the PS5’s willingness to sacrifice resolution when necessary gives it an advantage where I think it matters most: maintaining a consistent feeling of responsiveness.
The Xbox Series X, meanwhile, is the console I would choose if image quality is higher on my priority list.
And that distinction becomes obvious once you look at how the two machines render the game.
Modern Warfare 4 Finally Feels Like a Current-Gen Call of Duty
One of the biggest changes with Modern Warfare 4 is something you might not immediately notice.
There is no PlayStation 4 or Xbox One version holding the game back.
That matters.
Infinity Ward can use more sophisticated asset streaming, denser environments, modern geometry systems, and more demanding physics without constantly asking how the same feature will run on decade-old hardware.
The updated version of Infinity Ward’s engine is clearly designed to throw a lot at the hardware at once. Modern Warfare 4 can have detailed environments, smoke, explosions, destruction effects, distant geometry, and large numbers of characters on screen while still targeting high refresh rates.
The Xbox Series X does have the theoretical GPU advantage, with its 12 TFLOPS of compute performance compared with roughly 10.28 TFLOPS on the PS5. But console performance is never as simple as comparing those two numbers.
API efficiency, memory bandwidth, engine optimization, CPU workload, and dynamic resolution behavior all matter.
That is exactly why the PS5 can sometimes produce the more consistent experience despite having less theoretical GPU horsepower.
Xbox Series X Looks a Little Sharper
The biggest visual advantage for the Xbox Series X comes from resolution.
In 120Hz Performance Mode, the Series X can push its internal resolution as high as approximately 1440p, although it obviously does not stay there all the time.
In ordinary 6v6 multiplayer, the internal resolution generally sits in the neighborhood of 1260p to 1440p. Once you move into heavier modes with larger environments and more demanding effects, the resolution can fall toward 1080p.
That sounds like a huge drop, but remember that the game is using dynamic resolution scaling and temporal reconstruction to rebuild the final image.
And honestly, this works surprisingly well.
At normal gameplay distance, Modern Warfare 4 still looks sharp. Weapon details are clean, environmental textures hold together reasonably well, and distant objects retain more definition than you might expect from a game that is prioritizing 120fps.
The Xbox advantage becomes easier to spot when you stop moving and actually compare both versions side by side.
Distant foliage, small environmental details, player models, and text on weapon optics tend to look slightly cleaner on Series X.
It is not the kind of difference that makes the PS5 version look bad. It is simply the sort of difference enthusiasts will notice when comparing screenshots or playing both versions on a large 4K display.
PS5 Takes a Different Approach
The PS5 version is more aggressive about lowering resolution when the GPU workload increases.
The theoretical ceiling is still around 1440p in lighter situations, but during regular multiplayer gameplay the internal resolution spends more time around 1080p to 1260p.
And here is where I actually prefer Infinity Ward’s approach.
Instead of fighting to preserve every last pixel, the PS5 appears more willing to let resolution take the hit in exchange for frame-rate stability.
That is exactly what I want from a 120Hz competitive mode.
I would rather see a slightly softer sniper scope for half a second than feel the game suddenly become less responsive because the GPU is struggling to maintain its target.
On a television sitting several feet away, the resolution difference is also considerably harder to notice than it sounds on paper. During an actual match, I am watching corners, tracking movement, listening for footsteps, and trying not to get deleted by someone camping behind a doorway.
I am not counting pixels.
120 FPS Is Where the PS5 Starts Pulling Ahead
This is the most important part of the comparison.
In standard 6v6 multiplayer, the PS5 manages to stay extremely close to the 120fps target. Small drops can occur during heavy explosions, multiple smoke effects, or particularly chaotic moments, but they are generally brief.
During more demanding sections of larger multiplayer modes, the PS5 can move into roughly the 110–120fps range.
That is still an excellent result.
The important thing is how the game responds when performance gets difficult. Rather than allowing the frame rate to collapse, the dynamic resolution system takes more of the punishment.
From a player’s perspective, that is a good trade.
The Xbox Series X can also hit 120fps and feels fantastic when it does. The problem is that demanding outdoor scenes can cause more noticeable drops, with performance sometimes moving toward the 95–110fps range.
That happens particularly when you combine large open areas with smoke, fire, volumetric effects, and heavy asset streaming.
And this is where the Xbox’s higher resolution target becomes something of a double-edged sword.
It looks better when the hardware has room to breathe, but that additional GPU workload can become noticeable when the action gets ridiculous.
Why VRR Matters So Much
If you are serious about playing Modern Warfare 4 at 120Hz, I would strongly recommend using a monitor or television with VRR support.
This is especially important on Xbox Series X.
When the frame rate moves from 120fps down toward 100fps or below, VRR allows the display to synchronize itself with the console’s actual frame output.
The result is a much smoother presentation with reduced tearing and less obvious judder.
The PS5 benefits from VRR too, although I consider it less essential there because the console generally stays closer to its 120fps target in multiplayer.
Still, if your display supports VRR, there is very little reason not to use it.
For a fast shooter, I would take 120Hz + VRR + stable frame delivery over a higher resolution mode almost every time.
Campaign Mode Is a Completely Different Story
Multiplayer is where these consoles really shine, but the campaign pushes them harder.
The single-player missions contain more scripted events, larger set pieces, detailed environments, cinematic effects, physics interactions, and demanding sequences involving vehicles.
That makes maintaining 120fps considerably harder.
On Xbox Series X, heavy campaign moments can bring performance into approximately the 90–105fps range. Certain scripted sequences can also introduce short performance interruptions, particularly around background checkpoint activity.
The PS5 performs somewhat better in these demanding situations, generally sitting around 95–115fps in the 120Hz mode.
But neither console delivers a genuinely locked 120fps campaign experience.
And personally, I would not force it.
If I am playing the campaign, I care more about image quality and consistency than shaving another few milliseconds off input latency. A 60Hz Quality Mode makes much more sense for a cinematic single-player experience.
Save the 120Hz mode for multiplayer.
DualSense Gives PS5 a Genuine Advantage
There is another reason I prefer the PS5 version, and it has nothing to do with resolution.
The DualSense controller is still one of the best pieces of hardware Sony has introduced this generation.
Modern Warfare 4 takes advantage of its haptic feedback and adaptive triggers, giving different weapons distinct physical responses.
Sniper rifles can have a heavier trigger pull, while faster weapons provide lighter and quicker feedback.
For casual campaign sessions, I love this.
For competitive multiplayer, however, I usually turn most of it down or disable it.
That might sound strange, but when you are playing for hours, I do not necessarily want the controller physically fighting my fingers every time I fire a weapon.
Still, the option is there, and it adds something that the Xbox version cannot quite replicate.
Xbox’s Biggest Advantage Is the Ecosystem
The Xbox Series X answer to DualSense is not really another controller feature.
It is the broader Xbox ecosystem.
Quick Resume remains useful for players who jump between games, while the console’s storage and system-management features make it easy to keep multiple titles available.
The platform also has strong support for spatial audio technologies such as Dolby Atmos when paired with compatible equipment.
For someone already invested heavily in the Xbox ecosystem, these conveniences can matter more than a relatively small resolution or frame-rate difference.
And there is another practical point: the Series X version simply looks excellent.
If you are the kind of player who notices distant detail, cleaner textures, and sharper environmental geometry, the Xbox version has a legitimate visual advantage.
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PS5 vs Xbox Series X: Which One Should You Buy Modern Warfare 4 For?
After looking at the numbers, I think the answer is pretty straightforward.
Choose PS5 if your priority is competitive multiplayer, consistent 120fps performance, DualSense features, and the lowest possible compromise to frame-rate stability.
Choose Xbox Series X if you care more about image clarity, slightly higher average rendering resolution, and the broader Xbox ecosystem.
My personal choice?
PS5.
Not because it destroys the Xbox Series X. It absolutely does not.
The difference is actually quite small, and both consoles deliver a strong current-generation Call of Duty experience.
But when I sit down to play a competitive shooter, I want the game to feel predictable. I want my aim to feel the same whether I am inside a building or standing in the middle of a smoke-filled street with explosions going off around me.
The PS5’s strategy makes more sense to me.
Lower the resolution when necessary. Protect the frame rate. Keep the controls responsive.
That is exactly what a 120Hz Performance Mode should be doing.
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Final Verdict
Call of Duty: Modern Warfare 4 is a much more interesting technical comparison than the raw GPU specifications would suggest.
The Xbox Series X has the image-quality advantage, thanks to its tendency to maintain a higher internal resolution. On a good 4K 120Hz display, that extra clarity can be visible, particularly in distant objects and fine environmental details.
The PS5 has the performance advantage, particularly in multiplayer. Its more aggressive dynamic resolution scaling allows it to stay closer to the 120fps target during chaotic combat.
Neither console maintains a perfect 120fps in every situation, and the campaign is particularly demanding. That is why VRR is such an important part of the equation.
For me, though, the decision comes down to one simple question: what do you notice more while playing?
I notice frame-rate drops more than I notice a slightly softer texture.
So if I had both consoles sitting under my TV and was downloading Modern Warfare 4 tonight, I would install the PS5 version first.
The Xbox Series X version may give me the prettier screenshot.
The PS5 version gives me the smoother gunfight.
And in Call of Duty, that is the one advantage I will take every time.
