What is DLSS?
NVIDIA DLSS (Deep Learning Super Sampling) is an AI-powered upscaling technology that boosts frame rates and generates sharp images in supported games. It renders frames at a lower resolution and then uses AI to intelligently reconstruct them to a higher resolution, like 1440p or 4K. This process significantly improves performance without a noticeable drop in visual quality.
How DLSS Works: AI Upscaling Explained
DLSS leverages dedicated Tensor Cores found on NVIDIA RTX GPUs to run a deep learning neural network. This network is trained on super high-resolution images to learn how to reconstruct details. When you play a game with DLSS enabled, the GPU renders the game at a lower resolution, and the AI model then upscales it to your target resolution, adding back lost detail and anti-aliasing in real-time.
DLSS Generations: From 1.0 to 3.5
DLSS has evolved through several generations. DLSS 1.0 (Turing RTX 20-series) offered early upscaling but sometimes had visual artifacts. DLSS 2.0 (Ampere RTX 30-series and newer) brought significant improvements in image quality and broader game support. DLSS 3.0 (Ada Lovelace RTX 40-series exclusive) introduced Frame Generation, creating entirely new, interpolated frames using AI, dramatically boosting FPS. DLSS 3.5 adds Ray Reconstruction, further enhancing ray-traced image quality.
Performance Boosts and Visual Quality
The primary benefit of DLSS is a substantial increase in frame rates, especially at higher resolutions like 4K or with demanding settings like ray tracing. For example, an RTX 4070 might struggle to hit 60 FPS in Cyberpunk 2077 at 4K with ray tracing without DLSS, but with DLSS 3.0 Frame Generation, it can achieve much higher frame rates. Modern DLSS versions maintain excellent image quality, often looking as good as, or even better than, native resolution rendering due to superior anti-aliasing.
Requirements and Game Support
To use DLSS, you need an NVIDIA GeForce RTX graphics card (RTX 20-series, 30-series, or 40-series). The specific DLSS version you can use depends on your GPU generation; for instance, DLSS 3.0 Frame Generation is exclusive to RTX 40-series cards. DLSS must also be integrated by game developers, and it's supported in hundreds of popular titles, including Alan Wake 2, Cyberpunk 2077, and Call of Duty: Modern Warfare III.
Key takeaways
- •DLSS is an NVIDIA-exclusive feature requiring an RTX graphics card (RTX 20-series or newer).
- •It significantly boosts frame rates, especially at 1440p and 4K resolutions, and with ray tracing enabled.
- •DLSS 3.0 with Frame Generation offers the largest performance gains but is only available on RTX 40-series GPUs.
- •Modern DLSS versions (2.0+) provide excellent image quality, often comparable to or better than native resolution.
- •Always check if your desired games support DLSS before making a purchase decision based on this feature.
What to do next
- →Browse our selection of NVIDIA GeForce RTX graphics cards.
- →Read our guide: 'RTX 4070 vs. RTX 3070: Is the Upgrade Worth It?'
- →Explore games that support DLSS and other upscaling technologies.
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