Best PoE2 Settings for GTX 1660 Super — 1080p 60 FPS Config (0.5.0)

The GTX 1660 Super remains one of the most popular budget GPUs on Steam, and it can still run Path of Exile 2 at a stable 60 FPS at 1080p in the 0.5.0 update — but only with deliberate configuration. Unlike RTX cards, the GTX 1660 Super has no DLSS support (it lacks Tensor cores), and its 6 GB VRAM requires aggressive memory management. The good news: PoE2's Vulkan renderer and NIS/FSR upscaling options make 60 FPS achievable even in juiced maps.

GTX 1660 Super-Specific In-Game Settings

• Renderer: Vulkan. The GTX 1660 Super's Turing architecture (without RT cores) performs significantly better under Vulkan than DX12. Expect ~20% higher 1% lows. DX12 overhead on this card is noticeable in crowded areas.
• Global Illumination: Off. The GTX 1660 Super cannot afford the 4-5ms frame-time cost of GI. Disable it entirely — the visual difference during fast-paced gameplay is negligible.
• Shadow Quality: Low. Essential for 6 GB cards. Low shadows save ~2ms of frame time and reduce VRAM pressure from shadow map allocations.
• Texture Streaming: High. Even with 6 GB, keep streaming on High. The key is to reduce streaming_cache_pool_size to 512 in the config, which prevents VRAM thrashing while keeping textures streamed.
• Upscaling: NIS or FSR. Since DLSS is unavailable, use Nvidia Image Scaling (NIS) from the Nvidia Control Panel or FSR from the in-game menu. FSR Quality at 1080p (~890p internal) provides the best balance of sharpness and performance. NIS is slightly sharper but can introduce edge artifacts on text.
• Anti-Aliasing: FXAA. TAA is too expensive for the 1660 Super at 1080p. FXAA provides acceptable edge smoothing at minimal performance cost.
• FPS Limit: 60. A locked 60 FPS with consistent frame-pacing feels far smoother than fluctuating between 45-75 FPS. Use the in-game FPS limiter or set fps_limit=60 in the config.

Recommended production_Config.ini

These values are tested on the GTX 1660 Super with the Low-End preset at 1080p. Paste into Documents/My Games/Path of Exile 2/production_Config.ini:

[DISPLAY]
fullscreen=true
resolution=1080p
vsync=false

[RENDER]
renderer_type=vulkan
global_illumination=false
shadow_quality=low
lighting_quality=low
reflections=off
post_processing=false
texture_streaming=true
streaming_cache_pool_size=512
render_scaling=75
dynamic_resolution=false
fps_limit=60
antialiasing=fxaa
bloom=false
engine_multithreading=false

[AUDIO]
max_concurrent_voices=64
music_volume=0
ambience_volume=30

[INPUT]
mouse_polling_rate=1000
raw_input=true

Making 6 GB VRAM Work

The GTX 1660 Super's 6 GB VRAM is the biggest constraint. With streaming_cache_pool_size=512, the game keeps only essential textures in VRAM and streams the rest from system memory. This prevents the hard micro-stutter that occurs when VRAM overflows into page file. Set engine_multithreading=false as well — the 1660 Super is typically paired with 4-6 core CPUs where the thread synchronization overhead negates any benefit from multi-threaded rendering. Combined with max_concurrent_voices=64 to cut FMOD audio CPU usage, these tweaks free up enough headroom for stable 60 FPS in all but the most extreme juiced maps.

Benchmark: GTX 1660 Super in 0.5.0

Tested at 1080p, juiced T16 map with Delirium + Beyond + Breach:

• Stock settings: 38 FPS avg, 24 FPS 1% low
• Our low-end config: 56 FPS avg (+47%), 43 FPS 1% low (+79%)

The GTX 1660 Super is still a capable 1080p PoE2 card with proper tuning. While it won't hit 144 FPS, our config delivers playable 60 FPS in campaign and most endgame scenarios. In extreme juicing (6-player parties, 4 scarabs, delirium orbs) expect drops to 45-50 FPS — still miles better than the unplayable sub-30 experience with default settings.

Want a config for a different GPU? Use our generator or check our 0.5.0 master guide.