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Best The Callisto Protocol settings for the AMD R9 390 (8GB) (2026)

On a AMD R9 390 (8GB) (paired with a balanced Intel Core i5-8600K-class CPU), The Callisto Protocol runs at roughly 60 FPS at 1080p with our optimized settings — up from about 31FPS with everything maxed. Here's the configuration and what each setting costs.

The AMD R9 390 (8GB) is a entry-level graphics card with 8GB of VRAM, and The Callisto Protocol is a demanding, graphically heavy game. Paired with the Intel Core i5-8600K, it runs well at 1080p — about 60 FPS with FrameCoach's optimized settings, a clear jump from roughly 31 FPS with everything on High.

Across resolutions you can expect around 60 FPS at 1080p and 42 FPS at 1440p, dropping to roughly 24 FPS at 4K. The Callisto Protocol offers ray tracing, but the AMD R9 390 (8GB) isn't built for it, so we leave it off. With only 8GB of VRAM, keep textures a notch below max in The Callisto Protocol at higher resolutions to avoid stutter. The biggest free win is FSR upscaling — set it to Quality for a large FPS boost at little visual cost.

ResolutionAll-High FPSOptimized FPS
1080p3160
1440p1942
4K1124
💡 The Callisto Protocol: Prone to shader-compilation stutter - ray tracing makes it worse.
🚀 Biggest free win: enable FSR (Balanced) — about +55% FPS for a small sharpness trade.
Recommended settings
Upscaling — FSRBalanced+55% FPS
The Callisto Protocol (Unreal Engine 4) supports DLSS and FSR. Enable it first - the game is demanding and stutter-prone.
Ray Tracing (Reflections / Shadows)Offsaves FPS
Ray-traced reflections and shadows. Heavy and known to worsen the game's stutter - keep Off for smoother frames.
VolumetricsLow+6% FPS
Fog and light shafts - core to the grim atmosphere but a real cost. Medium is a clean trade.
Shadow QualityMedium+5% FPS
Shadow resolution and range. High is the value pick.
Ambient OcclusionOff+5% FPS
Soft contact shadows for depth. Medium is a cheap, good-looking option.
Screen Space ReflectionsLow+3% FPS
Reflections on the prison's wet metal surfaces. Medium is plenty without ray tracing.
ParticlesMedium+3% FPS
Gore and combat particle effects. Lowering smooths the brutal melee fights.
Texture QualityUltra-1% FPS
Surface sharpness - cheap if it fits your VRAM.
Anti-AliasingHighbaseline
Edge smoothing. Medium keeps the image clean cheaply.

⚡ Fine-tune this for your exact CPU & target FPS →

🎯 Can the AMD R9 390 (8GB) run The Callisto Protocol? See the verdict →

The Callisto Protocol on other GPUs
Other games on the AMD R9 390 (8GB)
Frequently asked

What FPS does the AMD R9 390 (8GB) get in The Callisto Protocol?

With FrameCoach's optimized balanced settings, the AMD R9 390 (8GB) averages around 60 FPS at 1080p in The Callisto Protocol — up from about 31 FPS with everything on High.

Can the AMD R9 390 (8GB) run The Callisto Protocol at 1440p?

At 1440p with optimized settings, the AMD R9 390 (8GB) averages roughly 42 FPS in The Callisto Protocol; turn on upscaling or aim for a locked 60 for the best feel.

What are the best The Callisto Protocol settings for the AMD R9 390 (8GB)?

Turn on FSR (Balanced), keep ray tracing off for maximum FPS, and ease the heaviest options like Volumetrics and Shadow Quality down a notch. The full per-setting breakdown is above.

FPS figures are estimates from a generalized model (hardware tier × game load × per-setting weights), not live benchmarks — real performance varies by scene, drivers and game version.