SAMSUNG Galaxy S26 5G vs Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)
Quick Comparison
Both SAMSUNG Galaxy S26 5G and Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) comes with same RAM. In terms of display resolution, Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has better resolution of 3200 x 1440 than SAMSUNG Galaxy S26 5G which has resolution of 2340 x 1080. SAMSUNG Galaxy S26 5G has more internal memory than Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)
| Name | SAMSUNG Galaxy S26 5G | 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 + 10 MP Triple | 108 MP Quad |
| Price | Rs. 87999 | Rs. 101999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is February 25, 2026. The cost of SAMSUNG Galaxy S26 5G is Rs. 87999. 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.
Display comparison
Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has larger screen size of 6.8 inches in comparison to SAMSUNG Galaxy S26 5G's 6.3 inch screen. SAMSUNG Galaxy S26 5G has Dynamic AMOLED 2X Screen type where as Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has Screen type. Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has display density of 515 PPI & SAMSUNG Galaxy S26 5G has only 411 PPI display density. In terms of screen to body ratio, SAMSUNG Galaxy S26 5G has better screen to body ratio of ~ 90% than Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)'s ~ 89.8%. SAMSUNG Galaxy S26 5G has 20.5:9 aspect ratio where as Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has 20:9 aspect ratio.
Memory comparison
Both mobiles come with 12 GB RAM SAMSUNG Galaxy S26 5G has more Internal Memory (256 GB) than Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) (128 GB).
Camera comparison
Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)'s 108 MP Quad Rear Camera outclasses SAMSUNG Galaxy S26 5G's 50 MP + 12 MP + 10 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 5G's 12 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 16 and the second one on 10 version.
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Full Comparison
| Name | SAMSUNG Galaxy S26 5G | Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) |
| General | ||
| Model | SM-S942B, SM-S942B/DS, SM-S942U, SM-S942U1, SM-S942W, SM-S942N, SM-S9420, SM-S942E, SM-S942E/DS | Galaxy S21 Ultra 5G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | SIM 1 + SIM 2 / SIM 1 + eSIM / Dual eSIM SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Security Updates | 7 years | |
| Release Date | February 25, 2026 | January 14, 2021 |
| Design | ||
| Dimensions | 71.7 x 149.6 x 7.2 mm | 75.6 x 165.1 x 8.9 mm |
| Weight | 167 g | 227 g |
| Bezel less | Yes | |
| Colors | Cobalt Violet, Sky Blue, Black, White, Silver Shadow, Pink Gold | |
| Display | ||
| Type | Color Dynamic AMOLED 2X Screen (16M Colors) | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.3 inches, 1080 x 2340 pixels, 120 Hz | 6.8 inches, 1440 x 3200 pixels, 120 Hz |
| Aspect Ratio | 20.5:9 | 20:9 |
| PPI | ~ 411 PPI | ~ 515 PPI |
| Screen to Body Ratio | ~ 90% | ~ 89.8% |
| Glass Type | Corning Gorilla Armor 2 | Corning Gorilla Glass Victus |
| Brightness | 2600nits | |
| Features | Privacy Display | 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 |
| 5G Bands | 5G* FDD Sub6 N1(2100), N2(1900), N3(1800), N5(850), N7(2600), N8(900), N12(700), N20(800), N25(1900), N26(850), N28(700), N66(AWS-3) 5G* TDD Sub6 N38(2600), N40(2300), N41(2500), N77(3700), N78(3500) | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 802.11a/b/g/n/ac/ax/be 2.4GHz+5GHz+6GHz, EHT320, MIMO, 4096-QAM | |
| Bluetooth | Yes, v5.4, 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, Gyro, Proximity, Compass, Barometer | Accelerometer, Gyro, Proximity, Compass, Barometer |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| AI Features | Galaxy AI | |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP68 | IP68 |
| Dust Resistant | Yes | Yes |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (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 | Best Face, auto-HDR, panorama | Auto-HDR, Panorama |
| Video Recording | 8K, 4K, 1080p | 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 @ 60 fps UHD, 1080p @ 60 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 2600 | Samsung Exynos 2100 |
| CPU | 3.8 GHz, Deca Core Processor | 2.9 GHz, Octa Core Processor |
| Core Details | 1x3.80GHz C1-Ultra & 3x3.25GHz C1-Pro & 6x2.75GHz C1-Pro | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 |
| GPU | Xclipse 960 | 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, 25W | Yes, 25W Fast Charging |
| Wireless Charging | Yes, 15W | Yes, 15W |
| Reverse Charging | Yes | Yes, 4.5W |
| Reverse Wireless Charging | Yes, 4.5W | |