Upscaler Compare
Compare AI upscaling models like RealESRGAN, AnimeSharp, and SwinIR on AI Image Journey. Explore traditional methods (Nearest Neighbor, Bilinear) vs. AI upscalers for 2048x2048 resolution, with visual examples and a detailed comparison table.
Table of Contents
Original (512 x 512)
Calculation Method (2048 x 2048)
Nearest Neighbor
Bilinear
Area
Bicubic
Lanczos
AI upscaling (2048 x 2048)
RealESRGAN_x4plus
RealESRGAN_x4plus_anime_6B
4x-AnimeSharp
4x-UltraSharp_150000
4x_foolhardy_Remacri_210000
4x_fatal_Anime_500000_G
4x_IllustrationJaNai_V1_ESRGAN_135k
4x_NMKD-Superscale-SP_178000_G
4x-NMKD-YandereNeo_320k
4x_NMKD-YandereNeoXL_200k
4x_escale_100000_G
4x_RealisticRescaler_100000_G
4x PSNR_Pretrained
4x_UniversalUpscalerV2-Neutral_115000_swaG
4x_UniversalUpscalerV2-Sharper_103000_G
4x_UniversalUpscalerV2-Sharp_101000_G
4x-PBRify_RPLKSRd_V3_160000
OmniSR_X4_DIV2K
4x-SwinIR-L_GAN
4x-SwinIR-L_PNSR
4xNomos2_hq_drct-l_200000
4x_IllustrationJaNai_V1_DAT2_190k
4xNomos2_hq_dat2_140000
4xNomos8kDAT_110000
4xNomos8kHAT-L_otf_220000
Comparison Table
| Model | Type | License | Commercial Use | Features | Recommended |
|---|---|---|---|---|---|
| RealESRGAN_x4plus | ESRGAN | BSD 3-Clause | ✅ | Balanced | ✅ |
| RealESRGAN_x4plus_anime_6B | ESRGAN | BSD 3-Clause | ✅ | Anime Style | ✅ |
| 4x-AnimeSharp | ESRGAN | CC-BY-NC-SA-4.0 | ❌ | Sharp | |
| 4x-UltraSharp_150000 | ESRGAN | CC-BY-NC-SA-4.0 | ❌ | Sharp | |
| 4x_foolhardy_Remacri_210000 | ESRGAN | CC-BY-NC-SA-4.0 | ❌ | Sharp | |
| 4x_fatal_Anime_500000_G | ESRGAN | CC-BY-NC-SA-4.0 | ❌ | ||
| 4x_IllustrationJaNai_V1_ESRGAN_135k | ESRGAN | CC-BY-NC-SA-4.0 | ❌ | Anime Style | ✅ |
| 4x_NMKD-Superscale-SP_178000_G | ESRGAN | WTFPL | ✅ | Balanced | |
| 4x-NMKD-YandereNeo_320k | ESRGAN | WTFPL | ✅ | Balanced | |
| 4x_NMKD-YandereNeoXL_200k | ESRGAN | WTFPL | ✅ | Balanced | ✅ |
| 4x_escale_100000_G | ESRGAN | WTFPL | ✅ | ||
| 4x_RealisticRescaler_100000_G | ESRGAN | WTFPL | ✅ | Natural | ✅ |
| 4x PSNR_Pretrained | ESRGAN | Apache-2.0 | ✅ | ||
| 4x_UniversalUpscalerV2-Neutral_115000_G | ESRGAN | WTFPL | ✅ | ||
| 4x_UniversalUpscalerV2-Sharper_103000_G | ESRGAN | WTFPL | ✅ | ||
| 4x_UniversalUpscalerV2-Sharp_101000_G | ESRGAN | WTFPL | ✅ | ||
| 4x-PBRify_RPLKSRd_V3_160000 | PLKSR | CC0-1.0 | ✅ | ||
| OmniSR_X4_DIV2K | OmniSR | Apache-2.0 | ✅ | ||
| 4x-SwinIR-L_GAN | SwinIR | Apache-2.0 | ✅ | ||
| 4x-SwinIR-L_PNSR | SwinIR | Apache-2.0 | ✅ | ||
| 4xNomos2_hq_drct-l_200000 | DRCT | CC-BY-4.0 | ✅ | ||
| 4x_IllustrationJaNai_V1_DAT2_190k | DAT | CC-BY-NC-SA-4.0 | ❌ | Anime Style | |
| 4xNomos2_hq_dat2_140000 | DAT | CC-BY-4.0 | ✅ | Natural | |
| 4xNomos8kDAT_110000 | DAT | CC-BY-4.0 | ✅ | Natural | |
| 4xNomos8kHAT-L_otf_220000 | HAT | CC-BY-4.0 | ✅ | Natural |
Note: The definition of commercial use varies by license, so please verify independently.