Before diving into Marathon PC Optimization, you need to know where your hardware stands. Marathon is built on a modified version of Bungie’s Tiger Engine with elements of Unreal Engine 5 integration. It’s a visually ambitious PvPvE extraction shooter with large, open zones — meaning it’s more demanding than Destiny 2 but benefits from many of the same optimization strategies. Below are the expected hardware tiers, from Marathon Potato Mode minimum specs to ultra-tier builds ready for Marathon Best Settings at 4K.

Minimum — Marathon Potato Mode (1080p Low, 60 FPS)

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PRO TIP — Storage Matters Marathon uses asset streaming similar to Destiny 2. An NVMe SSD is highly recommended — HDD users will experience severe texture pop-in, longer load times, and potential hitching during zone transitions. If you’re on a SATA SSD, expect occasional micro-stutters in dense areas.

About RAM 32 GB RAM is strongly recommended. Marathon’s extraction zones with multiple squads, AI enemies, and dynamic loot generation can push memory usage well past 14 GB. With 16 GB, you’ll need to close all background applications.

This is the core of our Marathon PC Optimization guide — the Marathon Best Settings profile. Marathon is a PvPvE extraction shooter where spotting enemies before they spot you is everything. These Marathon Best Settings are optimized for maximum FPS and visual clarity. If you need even more FPS, jump to Marathon Potato Mode in Section 5.

Why Keep Textures at Medium–High? Texture quality primarily uses VRAM, not GPU processing power. If you have 8+ GB VRAM, Medium or High textures cost virtually no FPS. Crisp textures ensure enemies nd loot are visually distinguishable — critical in Marathon’s dark extraction zones.

Never Turn Off Anti-Aliasing Disabling AA entirely causes severe shimmering on metallic surfaces and distant geometry, making it harder to spot enemies at range. Use TAA at minimum, or DLAA/SMAA if available.

Understanding every setting is key to proper Marathon PC Optimization. Here’s a deep dive into every graphics setting, what it does under the hood, and whether it’s worth the cost. This knowledge helps you fine-tune both Marathon Best Settings and Marathon Potato Mode to your hardware.

Render Resolution / Resolution Scale

Controls the internal rendering resolution as a percentage of your display resolution. At 100%, the game renders at native. Lowering to 80% can yield 20–40% more FPS at the cost of clarity.

Recommendation: Keep at 100%. If you need FPS, use DLSS/FSR instead.

FPS Impact: Extreme — the single biggest FPS lever.

Shadow Quality

Controls the resolution and draw distance of dynamic shadows. Marathon’s environments feature heavy dynamic lighting, so shadows are a major GPU cost.

Recommendation: Low for competitive play. Medium if you have GPU headroom. Low still renders player/NPC shadows.

FPS Impact: High — ~15–25% FPS difference Low vs Ultra.

Global Illumination (GI)

Controls how light bounces and interacts with surfaces. Higher GI produces more realistic light in interiors and underground zones.

Recommendation: Low. Reduced visual clutter at Low GI actually helps spot enemies in dark zones.

FPS Impact: Very High — ~20–35% GPU overhead from Ultra to Low.

Reflections

Quality of reflective surfaces — puddles, metallic floors, glass, weapon surfaces. Ranges from Screen-Space Reflections (SSR) to Ray-Traced.

Recommendation: Low (SSR). SSR at low quality is nearly free and provides enough environmental feedback.

FPS Impact: High — RT reflections cost 25–40% FPS.

Ambient Occlusion (AO)

Adds soft shadowing in creases, corners, and where objects meet surfaces. Common implementations: SSAO, HBAO+, GTAO.

Recommendation: Low or Off. AO can darken corners and make enemies harder to spot in tight spaces.

FPS Impact: Low–Medium — ~3–8%.

Volumetric Fog / Lighting / Clouds

Controls density and quality of atmospheric effects — fog shafts, god rays, volumetric clouds. Resolution-dependent, scales poorly at higher res.

Recommendation: Low or Off. Fog directly obscures enemy visibility — one of the most impactful settings for competitive clarity.

FPS Impact: High.

Post-Processing

Screen-space effects: bloom, lens flare, color grading, vignette, eye adaptation. Higher settings increase intensity.

Recommendation: Low. Bloom and lens flares mask enemy outlines. Eye adaptation causes temporary blindness in bright/dark transitions.

FPS Impact: Low–Medium — ~3–6%.

Texture Quality

Resolution of texture maps. Primarily VRAM-bound, not GPU-bound. Higher settings load larger textures into VRAM.

Recommendation: Medium for 6 GB VRAM, High for 8+ GB. Don’t exceed your VRAM — check with MSI Afterburner.

FPS Impact: Minimal if VRAM is sufficient. Severe stuttering if VRAM overflows.

Texture Filtering (Anisotropic)

Improves texture clarity on surfaces at oblique angles. x16 looks significantly sharper than x4.

Recommendation: x16. Essentially free on any GPU from the last 5+ years. Zero reason to lower.

FPS Impact: Negligible (<1%).

Effects Quality

Complexity and particle count of explosions, muzzle flashes, ability effects. Spikes during multi-player combat.

Recommendation: Low. Fewer particles = less visual noise during chaotic firefights.

FPS Impact: Medium — spikes in combat.

View Distance / LOD

How far objects render at full detail before switching to low-poly versions. Higher = more detailed distant geometry.

Recommendation: Medium–High. Seeing distant players at full detail is a real gameplay advantage in extraction zones.

FPS Impact: Medium — ~5–12%.

Foliage / Vegetation Density

Amount and draw distance of grass, bushes, environmental vegetation. More foliage = more GPU load.

Recommendation: Low. Less foliage = fewer hiding spots and less visual noise when scanning. Direct competitive advantage.

FPS Impact: Medium–High in open areas — ~8–18%.

Motion Blur

Simulates camera motion blur during fast turns. Can be per-object or camera-based.

Recommendation: Off. Always. Reduces visual clarity during flick shots. No competitive player uses motion blur.

FPS Impact: Low — ~1–3%.

Depth of Field

Blurs objects not at focal distance. Typically activates during ADS or cutscenes.

Recommendation: Off. Can blur enemies at screen edges during ADS, reducing awareness.

FPS Impact: Low — ~1–3%.

Film Grain & Chromatic Aberration

Film grain adds noise; chromatic aberration adds color fringing. Both purely aesthetic.

Recommendation: Off for both. Visual noise with zero competitive benefit.

FPS Impact: Negligible.

Ray Tracing (RT Shadows, Reflections, GI)

Uses dedicated RT cores for physically accurate light paths. Stunning visuals, enormous GPU cost.

Recommendation: Off across the board. Not viable for competitive play. Enable only for screenshots on RTX 4080+.

FPS Impact: Extreme — 30–50% FPS reduction. 

Marathon Potato Mode — Max FPS on Low-End PCs

Marathon Potato Mode is for players running older hardware who need every single frame. This Marathon Potato Mode config strips the game to absolute bare minimum visuals. If our Marathon Best Settings don’t give you stable 60+ FPS, this Marathon Potato Mode profile is your answer.

When to Use Marathon Potato Mode Use Marathon Potato Mode if your GPU has less than 6 GB VRAM, your CPU is below a Ryzen 5 3600 / i5-10400, or you’re targeting 60+ FPS on 1080p with mid-range hardware. Marathon Potato Mode prioritizes playable FPS above all else.

Marathon Potato Mode — Additional Tweaks

• Close everything — browsers, Discord, Spotify, RGB software
• Set Windows Power Plan to High Performance
• Lower Windows desktop resolution to 1080p if on a 1440p/4K monitor
• Disable hardware acceleration in Discord, Steam, and any open browser
• Set process priority to High via Task Manager after launching
• Use FSR Performance mode even at 1080p — soft image but 50%+ FPS gain

A major part of Marathon PC Optimization for NVIDIA users happens outside the game. These driver-level tweaks reduce input lag and improve frame pacing — applicable to both Marathon Best Settings and Marathon Potato Mode.

Open NVIDIA Control Panel → Manage 3D Settings → Program Settings → Add marathon.exe

NVIDIA Reflex

If Marathon supports NVIDIA Reflex (highly likely for a competitive shooter in 2025/2026), enable it and set it to On + Boost. Reflex synchronizes the CPU and GPU render pipeline to minimize system latency — the single most impactful latency reduction technology for Marathon PC Optimization.

GeForce Experience / NVIDIA App

• Disable GeForce Experience overlay (Alt+Z) — adds input lag
• Disable Instant Replay / ShadowPlay if not recording
• Keep drivers updated — Game Ready drivers at launch will have critical Marathon PC Optimization fixes
• Use DDU (Display Driver Uninstaller) for clean installs if experiencing issues

AMD users running Marathon PC Optimization can extract significant gains from Radeon Software. These apply to both Marathon Best Settings and Marathon Potato Mode. Open AMD Software: Adrenalin Edition and create a profile for Marathon.

Upscaling is a cornerstone of Marathon PC Optimization — especially for Marathon Potato Mode users. It renders at a lower internal resolution and uses AI or algorithms to reconstruct a higher-quality image. Marathon Best Settings users can use Quality or DLAA; Marathon Potato Mode users should use Performance mode.

NVIDIA DLSS

Requires RTX GPU (20/30/40/50 series). Uses Tensor Cores for AI upscaling. Best image quality of all upscaling options.

Recommendation: Use DLSS Quality if you need the boost. At 1440p, DLSS Quality is often indistinguishable from native. Avoid Performance/Ultra Performance for competitive PvP due to ghosting and detail loss. Marathon Potato Mode users on RTX can use DLSS Balanced for the best FPS–quality trade-off.

AMD FSR (FidelityFX Super Resolution)

Works on any GPU. FSR 3.1 offers significantly improved quality over 2.x. Use FSR Quality if DLSS isn’t available. Marathon Potato Mode users should use FSR Performance with Radeon Image Sharpening to compensate for softness.

Intel XeSS

Uses AI acceleration on Intel Arc GPUs, falls back to DP4a on others. Use only if you have an Intel Arc GPU for Marathon PC Optimization; otherwise prefer DLSS (NVIDIA) or FSR.

No Marathon PC Optimization guide is complete without Windows-level tweaks. These apply to both Marathon Best Settings and Marathon Potato Mode users.

Power Plan

Open Power Options: Win + R → powercfg.cpl → Select "High Performance". For AMD Ryzen users, use the "AMD Ryzen High Performance" plan. For Ultimate Performance, run in Admin CMD: powercfg -duplicatescheme e9a42b02-d5df-448d-aa00-03f14749eb61

Game Mode & Game Bar

• Game Mode: Keep On — prevents Windows Update during gameplay
• Xbox Game Bar: Disable — Settings → Gaming → Xbox Game Bar → Off
• Background Recording: Disable — Settings → Gaming → Captures → Off

Hardware-Accelerated GPU Scheduling (HAGS)

Settings → System → Display → Graphics → Change default graphics settings → Enable. Test with and without — some systems benefit, others don’t.

Startup Programs

Open Task Manager (Ctrl + Shift + Esc) → Startup tab. Disable everything you don’t need: Discord, Spotify, RGB software, peripheral software, cloud sync tools.

Virtual Memory / Page File

System Properties → Advanced → Performance Settings → Virtual Memory → Change. Uncheck auto-manage. Set Custom Size on NVMe drive: Initial 16384 MB, Maximum 32768 MB. Click Set → OK → Restart.

Disable Fullscreen Optimizations

Right-click marathon.exe → Properties → Compatibility → check "Disable fullscreen optimizations". Prevents Windows from converting exclusive fullscreen to borderless, which adds latency.

Advanced Marathon PC Optimization includes launch arguments and config file edits. These benefit both Marathon Best Settings and Marathon Potato Mode users, often providing 3–8% extra FPS with zero visual quality loss.

Steam Launch Options

Right-click Marathon in Steam Library → Properties → General → Launch Options:

-high -USEALLAVAILABLECORES -malloc=system -force-feature-level-12-0

• -high — Sets process priority to High
• -USEALLAVAILABLECORES — Forces all CPU cores
• -malloc=system — Uses system memory allocator
• -force-feature-level-12-0 — Forces DX12 feature level

Marathon config files will likely be in: %APPDATA%\Bungie\Marathon\ or %LOCALAPPDATA%\Marathon\Saved\Config\WindowsNoEditor\

• Frame rate cap — may be adjustable beyond in-game UI
• FOV limits — may exceed in-game slider range
• Mouse smoothing — disable if present (bEnableMouseSmoothing=False)
• Render thread count — match to your CPU core count 

Reducing Input Lag & Latency

The final frontier of Marathon PC Optimization is latency reduction. Whether running Marathon Best Settings on a high-end rig or Marathon Potato Mode on budget hardware, every millisecond counts.

The Latency Chain

Total latency = Input Device → USB Polling → OS Processing → Game Engine → CPU Render → GPU Render → Display Processing → Pixel Response

Mouse & Keyboard

• Use 1000 Hz polling rate mouse (or 4000/8000 Hz if supported)
• Connect to USB 3.0+ rear I/O port (not front panel)
• Disable mouse acceleration: uncheck "Enhance pointer precision"
• Windows mouse sensitivity: 6/11 (default, 1:1 movement)

Monitor Settings

• Use highest refresh rate your monitor supports
• Enable G-Sync / FreeSync in GPU driver
• Monitor overdrive: "Fast" (middle) — "Fastest" causes inverse ghosting
• Disable monitor post-processing: game mode on, dynamic contrast off
• Use DisplayPort over HDMI (lower latency, higher bandwidth)

Frame Capping Strategy

Hierarchy from best to worst for Marathon PC Optimization:

• NVIDIA Reflex frame cap — Best, lowest latency
• In-game frame limiter — Engine-integrated
• RTSS (RivaTuner) — +~1 frame latency but excellent pacing
• NVIDIA Control Panel limiter — Slightly higher latency
• V-Sync — Never use for competitive play