PCSX2: Best Global.ini for 5x Native Resolution Scaling

The objective is to force the Vulkan backend and utilize Texture Preloading to ensure the GPU doesn’t hitch when swapping high-resolution render targets ($RT_{size}$).

1. Locating the Target Configuration File

In the 2026 Qt-based PCSX2, settings are primarily stored in the inis folder.

• Path: PCSX2/inis/PCSX2.ini (or Global.ini in legacy setups).

2. The “5x Ultra” Config Fragment

Open your .ini file with a text editor and modify the [Graphics] section with these high-fidelity overrides:

Parameter	Value	Technical Purpose
Renderer	15	Forces the Vulkan backend (essential for 5x scaling overhead).
UpscaleMultiplier	5	Sets Internal Resolution to 5x Native (~2880p).
MIPControl	2	Sets Mipmapping to Full; prevents texture crawling at high resolutions.
TexturePreloading	2	Set to Full (Hash Cash); eliminates stuttering during asset streaming.
MaxAnisotropy	16	Forces 16x AF for razor-sharp textures on angled surfaces.
BlendingAccuracy	3	Sets to High/Ultra; required for correct lighting at 5x scale.

3. Mandatory “Hardware Hacks” for High Scaling

Scaling beyond 3x often breaks the “Post-Processing” offsets designed for 480i. In your Global.ini, ensure these hacks are active to fix misalignment:

• Half-Pixel Offset: Set to Special (Texture) to fix blurry text in games like Final Fantasy X.
• Round Sprite: Set to Full to fix line artifacts in 2D UI elements.
• Point-to-Line Scaling: Set to Enabled if you notice vertical lines in games like Tekken 5.

4. Technical Hardware Thresholds for 2026

Our GameEngineer.net lab data suggests that 5x scaling requires specific VRAM and bandwidth minimums to maintain 60 FPS:

Component	Minimum for 5x Native	Expected Performance
GPU VRAM	8GB GDDR6	Prevents “Out of Memory” crashes during 5x buffer swaps.
CPU (Single Thread)	STR > 3500 (PassMark)	Necessary for the EE (Emotion Engine) to keep up with GPU draw calls.
API	Vulkan / DX12	Vulkan is recommended for 5x as it handles “Sparse Textures” more efficiently.