Why Is Affinity Photo So Slow
Quick answer
Slow performance usually comes from large RAW files, heavy live filters or limited RAM/GPU use. Lower the document size and check performance settings.
Most likely fix: Check performance settings
How to fix it
Try these in order — the most common fix is first.
1. Check performance settings
- Open Settings > Performance
- Enable hardware acceleration if supported, then restart
Did this fix it?2. Reduce workload
- Rasterize or merge heavy live-filter layers
- Work at lower resolution and export at full size
Did this fix it?3. Update
- Install the newest Affinity build and graphics drivers
Did this fix it?
Symptoms
Laggy brushes, slow RAW develop, sluggish zoom.
Why it happens
- Large RAW or high-resolution documents
- Many live filters/layers
- Hardware acceleration disabled or unsupported
- Low RAM
This guide also covers
- affinity photo slow
- affinity photo lag
- affinity photo slow raw
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