Both Samsung Galaxy S26 and Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) comes with same RAM. In terms of display resolution, Samsung Galaxy S26 has better resolution of 3200 x 1800 than Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) which has resolution of 3200 x 1440. Samsung Galaxy S26 has more internal memory than Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)
| Name | Samsung Galaxy S26 | Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) |
| RAM | 12 GB | 12 GB |
|---|---|---|
| Display | 6.3 in | 6.8 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 4300 mAh | 5000 mAh |
| Camera | 50 MP + 12 MP + 12 MP Triple | 108 MP Quad |
| Price | Rs. 79990 | Rs. 101999 |
The launch Date of the first phone is expected to be February 24, 2026 (Expected). The Expected cost of Samsung Galaxy S26 is Rs. 79990. The launch Date of the second phone is January 14, 2021. The Expected cost of Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) is Rs. 101999.
Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has larger screen size of 6.8 inches in comparison to Samsung Galaxy S26's 6.3 inch screen. Both the phones have Screen Type. Samsung Galaxy S26 has display density of 546 PPI & Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has only 515 PPI display density. In terms of screen to body ratio, Samsung Galaxy S26 has better screen to body ratio of ~ 93.07% than Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)'s ~ 89.8%. Samsung Galaxy S26 has 20.5:9 aspect ratio where as Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has 20:9 aspect ratio.
Both mobiles come with 12 GB RAM Samsung Galaxy S26 has more Internal Memory (256 GB) than Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) (128 GB).
Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)'s 108 MP Quad Rear Camera outclasses Samsung Galaxy S26's 50 MP + 12 MP + 12 MP Triple Rear Camera in terms of resolution. Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) will be better choice if you're looking to click lot of selfies as it has better 40 MP Front Camera in comparison to Samsung Galaxy S26's 12 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 16 and the second one on 10 version.
| Name | Samsung Galaxy S26 | Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) |
| General | ||
| Model | Galaxy S26 | Galaxy S21 Ultra 5G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | February 24, 2026 (Expected) | January 14, 2021 |
| Design | ||
| Dimensions | 71.5 x 149.4 x 6.9 mm | 75.6 x 165.1 x 8.9 mm |
| Weight | 227 g | |
| Bezel less | Yes | |
| Display | ||
| Type | Color Dynamic AMOLED 2X (1B Colors) | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.3 inches, 1800 x 3200 pixels, 144 Hz | 6.8 inches, 1440 x 3200 pixels, 120 Hz |
| Aspect Ratio | 20.5:9 | 20:9 |
| PPI | ~ 546 PPI | ~ 515 PPI |
| Screen to Body Ratio | ~ 93.07% | ~ 89.8% |
| Glass Type | Corning Gorilla Glass Victus Plus | Corning Gorilla Glass Victus |
| Features | Always-on Display, HDR10+, 4000 nits (peak) | Always-on Display, HDR10+ |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 4 | UFS 3.1 |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v6.0, A2DP, LE | Yes, v5.2, A2DP, LE |
| USB | Yes, USB-C v3.2 | Yes, USB-C v3.2 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| Extra | ||
| GPS | Yes, with A-GPS, Glonass, Beidou, Galileo, QZSS | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Proximity Sensor | Accelerometer, Gyro, Proximity, Compass, Barometer |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP69 | IP68 |
| Dust Resistant | Yes | Yes |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 12 MP (Telephoto) 12 MP (Ultra Wide) | 108 MP ƒ/1.8 10 MP ƒ/4.9 (Telephoto) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Auto-HDR, panorama | Auto-HDR, Panorama |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30 fps UHD, 1080p @ 30 fps FHD, 720p @ 960 fps HD | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 12 MP ƒ/2.2 (Wide Angle) Punch Hole | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus |
| Front Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v16 | Android v10 |
| Custom UI | OneUI 6.0 | |
| Chipset | Samsung Exynos 2100 | |
| CPU | Octa Core Processor | 2.9 GHz, Octa Core Processor |
| Core Details | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 | |
| GPU | Adreno GPU | Mali-G78 MP14 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, DFF, DSF, APE | Yes |
| Video | MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4300 mAh, Li-ion Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes | Yes, 25W Fast Charging |
| Wireless Charging | Yes | Yes, 15W |
| Reverse Charging | Yes | Yes, 4.5W |