October DealsAmazon USOctober deal check: compare before you payAmazon US: current deals, useful picks and tech finds.Check DealsWindows FixRecommendedWindows errors stealing your time? Find the fix fastScan stability, cleanup and performance issues.Fix NowOctober DealsAmazon USDeal season is back - check today's better picksAmazon US: current deals, useful picks and tech finds.See Picks×
Skip to content
VGSources
CPU

Is Overwatch 2 More CPU- or GPU-Bound? How to Diagnose Your PC

Overwatch 2’s bottleneck depends on resolution, settings, scene, and FPS target. Here’s how to tell whether your CPU, GPU, or a software limit is holding performance back.

By VGSources Team 8 min read
Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Overwatch 2 on Windows PC is often CPU-limited when you target high frame rates at 1080p with competitive settings, but it can become GPU-limited at higher resolutions, render scales, and visual quality. There is no permanent answer for every PC: the useful question is whether your CPU or GPU is taking longer to prepare each frame on your settings, in the scenes where performance drops.

Which component is more likely to limit Overwatch 2?

Use this as a starting point, not a diagnosis. Your hardware, live game build, settings, frame cap, and the scene all matter.

Situation More likely constraint What to check
1080p, low settings, uncapped play aimed at 144–360 Hz CPU or game/render thread Whether lowering resolution changes FPS; CPU and GPU frame times
1080p with high visual settings and an older graphics card GPU or mixed GPU frame time, utilization, temperature, and VRAM
1440p or 4K at high settings GPU or mixed Whether lowering resolution or render scale substantially raises FPS
Frame drops in busy team fights at low settings CPU/engine is plausible; effects may also load the GPU Compare frame times and repeat the test in the same scene
Low GPU utilization with FPS fixed at a precise ceiling Frame cap or synchronization may be limiting first Check the in-game cap, V-Sync, driver limiter, and overlays

Blizzard’s published system requirements name a Core i7 or Ryzen 5-class CPU and GPUs such as the GTX 1060/GTX 1650, Radeon R9 380/RX 6400, or Intel Arc A770 as recommended options. They do not promise 144-, 240-, or 360-FPS performance. See Blizzard’s Overwatch 2 system requirements.

What CPU-bound and GPU-bound mean

The CPU handles work such as game simulation, player and ability logic, visibility, physics, and preparing commands for the graphics card. The GPU renders the scene. In a simplified pipeline, the slower side sets the pace:

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
#1 Best Overall
Sale
GIGABYTE Radeon RX 9070 XT Gaming OC 16G Graphics Card, PCIe 5.0, 16GB GDDR6, GV-R9070XTGAMING OC-16GD Video Card
  • Powered by Radeon RX 9070 XT
  • WINDFORCE Cooling System
  • Hawk Fan
  • Server-grade Thermal Conductive Gel
  • RGB Lighting

Frame time = max(CPU frame time, GPU frame time)
FPS ≈ 1000 ÷ frame time in milliseconds

If CPU frame time is 8 ms and GPU frame time is 4 ms, the system is limited to roughly 125 FPS by the slower CPU side. If both take about 4 ms, the rough ceiling is 250 FPS. These are illustrative calculations, not Overwatch benchmarks; actual performance also depends on pacing and other system constraints.

At high refresh rates, a few milliseconds matter. Total CPU usage can look modest on a many-core processor even when one important game thread is heavily loaded. Likewise, a powerful GPU can show less than full utilization when it is waiting for the CPU to submit work. Utilization percentage alone does not identify the bottleneck.

Why Overwatch 2 can be CPU-limited

Competitive settings often reduce the GPU’s rendering workload. At 1080p and low quality, the processor may have to prepare frames faster than the GPU can render them, especially when the target is a very high uncapped frame rate. Crowded fights and ability-heavy scenes can also increase game simulation, animation, visibility, and rendering-submission work.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

A CPU-side limit is more plausible when reducing resolution makes little difference, the GPU is not consistently busy, or drops cluster around busy scenes. It is not proven by those symptoms alone: a cap, driver issue, thermal or power limit, or patch-specific problem can look similar.

Rank #2
Sale
ASUS Dual GeForce RTX 3050 6GB GDDR6 OC Edition Gaming Graphics Card
  • NVIDIA Ampere Streaming Multiprocessors: The all-new Ampere SM brings 2X the FP32 throughput and improved power efficiency.
  • 2nd Generation RT Cores: Experience 2X the throughput of 1st gen RT Cores, plus concurrent RT and shading for a whole new level of ray-tracing performance.
  • 3rd Generation Tensor Cores: Get up to 2X the throughput with structural sparsity and advanced AI algorithms such as DLSS. These cores deliver a massive boost in game performance and all-new AI capabilities.
  • Axial-tech fan design features a smaller fan hub that facilitates longer blades and a barrier ring that increases downward air pressure.
  • OC Mode : 1500 MHz (Boost Clock)/Default Mode : 1470 MHz (Boost Clock)

Players have reported low GPU utilization and little FPS change after reducing resolution on Blizzard’s technical-support forums. These are individual reports, not controlled benchmarks or official diagnoses: one report about reduced FPS and GPU utilization and one report of performance degradation after Season 20.

When the GPU is more likely to be the limit

Higher output resolution, render scale above 100%, demanding anti-aliasing, lighting, shadows, effects, and post-processing increase graphics work. High-resolution or ultrawide displays can do the same. Laptop GPUs may also be constrained by cooling or power limits. If lowering resolution or render scale substantially improves FPS and GPU frame time is dominant, the GPU is a stronger suspect.

VRAM is a separate concern from raw rendering speed. Near-capacity VRAM can contribute to stutter, lockups, or crashes, not just lower average FPS. Blizzard warns that performance problems can occur when the game’s VRAM use approaches the amount available on the GPU; consult its performance and network diagnostics.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Run a repeatable bottleneck test

  1. Remove avoidable variables. Restart the PC and close unnecessary applications, browsers, recording tools, launchers, and overlays. Keep the same driver, power mode, and background conditions across test runs.
  2. Choose a repeatable scene. The Practice Range is convenient but may not represent a match. A replay or repeatable custom-game scenario is more useful for comparisons; include a busy fight if that is where your drops happen.
  3. Record a baseline. Note average FPS, 1% lows or a frame-time graph, GPU utilization and clock, per-core CPU load, temperatures, VRAM and system RAM use, and whether an FPS cap or V-Sync is active. Use the same tool and scene for each run.
  4. Change resolution or render scale substantially. Keep other settings and the test scene unchanged. If FPS rises substantially, the GPU was likely doing a meaningful share of the limiting work. If FPS barely moves, investigate CPU-side work, caps, and software or engine issues.
  5. Change graphics quality separately. Raise or lower quality while keeping resolution and the cap fixed. A predictable FPS change suggests the GPU workload matters; no change can mean another limit is reached first.
  6. Compare frame times, not just percentages. The higher CPU or GPU frame time is generally the more direct clue to the slower side. Repeat runs if results vary, and judge frame-time consistency as well as the average.

Blizzard’s built-in performance display is toggled with Shift + Ctrl + R by default on PC. Blizzard documents FPS, GPU temperature, VRAM, simulation time, latency, interpolation delay, and command-queue information in its diagnostic guide.

Interpret the result without mistaking symptoms for causes

Observation Likely interpretation Next test
Lower resolution barely changes FPS; GPU is below sustained full load CPU/game-thread limit is possible, but not confirmed Compare CPU and GPU frame times; check caps, clocks, thermals, and background load
One CPU thread is heavily loaded while total CPU use is moderate A CPU-side limit can exist without 100% total CPU usage Check whether the same scene has elevated CPU frame time
Lower resolution yields a large FPS gain; GPU stays near its sustained maximum GPU limit is likely Check GPU frame time, temperature, power behavior, and VRAM
FPS stops at a precise value and both CPU and GPU use look low A cap or synchronization setting may be active Check game, driver, and third-party limits, plus V-Sync
Average FPS is high but motion feels uneven Frame-time spikes can undermine smoothness Inspect 1% lows, frame-time spikes, shader compilation, VRAM, and background recording
FPS is acceptable but ping, interpolation delay, or command-queue indicators are abnormal Network symptoms may be separate from rendering performance Use Blizzard’s network diagnostics rather than treating every hitch as a GPU or CPU problem

Network delay, simulation performance, and rendering performance are different things. High ping or interpolation delay can make play feel unresponsive without showing that the GPU is too slow; FPS drops and frame-time spikes need their own measurements.

Rank #3
ASUS TUF Gaming GeForce RTX™ 5080 16GB GDDR7 OC Edition Graphics Card
  • Powered by the NVIDIA Blackwell architecture and DLSS 4. System Requirements: Minimum 850W PSU with 16-pin 12V-2x6 (12VHPWR) connector required. Verify before purchasing.
  • Military-grade components deliver rock-solid power and longer lifespan for ultimate durability. Compatibility: 348mm (13.7") length, 3.6 slots, 4.3 lbs. Confirm case clearance and slot spacing. GPU bracket included.
  • Protective PCB coating helps protect against short circuits caused by moisture, dust, or debris
  • 3.6-slot design with massive fin array optimized for airflow from three Axial-tech fans
  • Phase-change GPU thermal pad helps ensure optimal thermal performance and longevity, outlasting traditional thermal paste for graphics cards under heavy loads
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

Settings and system factors to check

Settings that commonly raise GPU work

  • Output resolution and render scale, especially a scale above 100%.
  • Anti-aliasing, shadows, lighting, effects, fog, model detail, local reflections, and post-processing. Their impact varies by scene and system; no setting affects only one component in every case.
  • Dynamic Render Scale is intended to adjust resolution within minimum and maximum scales to help when GPU performance is constrained. Its current label and behavior can vary with the live build; Blizzard described the feature in its beta patch notes.

Settings and conditions that can hide the result

  • V-Sync, the in-game FPS limit, driver-level limiters, and third-party overlays can cap the output. The documented V-Sync path is Main Menu > Options > Video > VSync.
  • Laptop battery operation, a quiet or restrictive power profile, overheating, or incorrect selection of the integrated GPU can reduce performance.
  • Low system RAM, nearly full VRAM, background recording, and overlays can cause stutter or inconsistent results.
  • Drivers, shader compilation, a recent patch, or the game’s graphics API can change frame times. A before-and-after result from a different build is not directly comparable.

DirectX 11 or DirectX 12?

Blizzard identifies DirectX 11 as the lead API and DirectX 12 as a beta option. DX12 may help some systems, but Blizzard warns it can reduce performance or introduce stutter on others; newer does not automatically mean faster. To compare, use the same scene, settings, and measurement method for each API, restart as prompted, and keep the one that performs more consistently on your PC.

The documented path is Options > Video > Graphics API, then select DirectX 12 and restart. Blizzard’s DX12 announcement lists a DirectX 12 Ultimate Feature Level 12_2-compatible GPU and Windows 10 version 1909 or later as requirements; meeting them does not guarantee a performance improvement. See Blizzard’s DirectX 12 beta announcement.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Should you upgrade the CPU or GPU?

Choose a CPU upgrade when measurements support it

  • Your goal is high refresh-rate play, particularly at 1080p or low settings.
  • Lowering resolution barely improves FPS, and CPU frame time is the higher one.
  • Busy fights hurt 1% lows or frame pacing more than quiet scenes.
  • Your existing GPU is not already the limiting component.

Before choosing a processor, check motherboard compatibility, BIOS support, memory, cooling, and the cost of changing platforms. A CPU purchase is poor value if a frame cap or GPU limit is what holds performance back.

Choose a GPU upgrade when measurements support it

  • You play at 1440p or 4K, use a high render scale, or want higher visual quality.
  • GPU frame time is higher, utilization remains near its sustained maximum, and reducing resolution brings a meaningful FPS gain.
  • VRAM capacity or GPU-side thermal or power limits are part of the problem.

Match the graphics card to your resolution and image-quality target, and check power supply and case compatibility. A stronger GPU is unlikely to fix a confirmed CPU-side frame-time limit.

Troubleshoot before spending money

  1. Check for caps. Confirm the in-game limit, V-Sync, driver software limits, and overlay settings. For a test, disable V-Sync through Main Menu > Options > Video > VSync and set a cap above the FPS you are measuring.
  2. Check power, clocks, and temperatures. On a laptop, test while plugged in and confirm the game uses the intended GPU. Look for clock drops or thermal and power limits during the same scene.
  3. Reduce background interference. Test without recording, overlays, and unnecessary applications. If monitoring overlays appear to change the result, record a baseline with them disabled.
  4. Check drivers and game settings. Update or, if a problem started after a driver change, test a known-good driver. Blizzard’s documented reset path is Main Menu > Options > Reset All Defaults; its technical troubleshooting guide also includes driver and background-program checks.
  5. Compare graphics APIs carefully. Test DX11 and DX12 under the same conditions; keep DX11 if DX12 adds stutter or lowers performance.
  6. Consider a patch-specific change. Blizzard continues to publish live updates; its live patch notes show the game changes over time. A reproducible drop after an update may be game-build-specific, so avoid treating one old benchmark or one unusually bad match as a hardware verdict.

If the game crashes or locks up, check VRAM use, driver stability, overheating, and game files as well as performance. Near-capacity VRAM is one documented risk factor, but the symptom alone does not identify the cause.

Quick Recap

SaleBestseller No. 1
GIGABYTE Radeon RX 9070 XT Gaming OC 16G Graphics Card, PCIe 5.0, 16GB GDDR6, GV-R9070XTGAMING OC-16GD Video Card
GIGABYTE Radeon RX 9070 XT Gaming OC 16G Graphics Card, PCIe 5.0, 16GB GDDR6, GV-R9070XTGAMING OC-16GD Video Card
Powered by Radeon RX 9070 XT; WINDFORCE Cooling System; Hawk Fan; Server-grade Thermal Conductive Gel
$844.66
SaleBestseller No. 2
ASUS Dual GeForce RTX 3050 6GB GDDR6 OC Edition Gaming Graphics Card
ASUS Dual GeForce RTX 3050 6GB GDDR6 OC Edition Gaming Graphics Card
OC Mode : 1500 MHz (Boost Clock)/Default Mode : 1470 MHz (Boost Clock); A stainless steel bracket is harder and more resistant to corrosion.
$257.22
Bestseller No. 3
ASUS TUF Gaming GeForce RTX™ 5080 16GB GDDR7 OC Edition Graphics Card
ASUS TUF Gaming GeForce RTX™ 5080 16GB GDDR7 OC Edition Graphics Card
3.6-slot design with massive fin array optimized for airflow from three Axial-tech fans; Auto-Extreme precision automated manufacturing helps ensure higher reliability
$1,814.90

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Leave a Reply

Your email address will not be published. Required fields are marked *

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

More from Patch Notes

Recommended PC Tool
Recommended PC Tool
Outdated Drivers Are Slowing You DownFree scan - exact matches
Windows Errors? Fix Them Before They SpreadFree repair scan

Two free Windows tools

One Free Minute Could Fix That PC

Before you go - each of these free tools takes about a minute and tackles what quietly slows a Windows PC down.

Special offer. View Outbyte info, uninstall instructions, EULA, and Privacy Policy.