Samsung Galaxy S21 Ultra vs Samsung Galaxy S26 Ultra (12GB RAM + 512GB)
Quick Comparison
Both Samsung Galaxy S21 Ultra and Samsung Galaxy S26 Ultra (12GB RAM + 512GB) comes with same RAM. In terms of display resolution, Samsung Galaxy S21 Ultra has better resolution of 3200 x 1440 than Samsung Galaxy S26 Ultra (12GB RAM + 512GB) which has resolution of 3120 x 1440. Samsung Galaxy S26 Ultra (12GB RAM + 512GB) has more internal memory than Samsung Galaxy S21 Ultra
| Name | Samsung Galaxy S21 Ultra | Samsung Galaxy S26 Ultra (12GB RAM + 512GB) |
| RAM | 12 GB | 12 GB |
|---|---|---|
| Display | 6.8 in | 6.9 in |
| Internal Memory | 256 GB | 512 GB |
| Battery | 5000 mAh | 5000 mAh |
| Camera | 108 MP Quad | 200 MP Quad |
| Price | Rs. 47990 | Rs. 139999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is January 14, 2021. The cost of Samsung Galaxy S21 Ultra is Rs. 47990. The launch Date of the second phone is February 25, 2026. The cost of Samsung Galaxy S26 Ultra (12GB RAM + 512GB) is Rs. 139999.
Display comparison
Samsung Galaxy S21 Ultra has screen size of 6.8 inches which falls short to Samsung Galaxy S26 Ultra (12GB RAM + 512GB)'s 6.9 inch screen. Samsung Galaxy S21 Ultra has Screen type where as Samsung Galaxy S26 Ultra (12GB RAM + 512GB) has LTPO AMOLED Screen type. Samsung Galaxy S21 Ultra has display density of 515 PPI & Samsung Galaxy S26 Ultra (12GB RAM + 512GB) has only 500 PPI display density. In terms of screen to body ratio, Samsung Galaxy S26 Ultra (12GB RAM + 512GB) has better screen to body ratio of ~ 90.7% than Samsung Galaxy S21 Ultra's ~ 89.8%. Samsung Galaxy S21 Ultra has 20:9 aspect ratio where as Samsung Galaxy S26 Ultra (12GB RAM + 512GB) has 20.5:9 aspect ratio.
Memory comparison
Both mobiles come with 12 GB RAM Samsung Galaxy S26 Ultra (12GB RAM + 512GB) has more Internal Memory (512 GB) than Samsung Galaxy S21 Ultra (256 GB).
Camera comparison
Samsung Galaxy S26 Ultra (12GB RAM + 512GB)'s 200 MP Quad Rear Camera outclasses Samsung Galaxy S21 Ultra's 108 MP Quad Rear Camera in terms of resolution. Samsung Galaxy S21 Ultra 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 Ultra (12GB RAM + 512GB)'s 12 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 10 and the second one on 16 version.
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Full Comparison
| Name | Samsung Galaxy S21 Ultra | Samsung Galaxy S26 Ultra (12GB RAM + 512GB) |
| General | ||
| Model | Galaxy S21 Ultra 5G | SM-S948B, SM-S948B/DS, SM-S948U, SM-S948U1, SM-S948W, SM-S948N, SM-S9480, SM-S948E, SM-S948E/DS |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | SIM 1 + SIM 2 / SIM 1 + eSIM / Dual eSIM SIM |
| Device Type | Smartphone | Smartphone |
| Security Updates | 7 years | |
| Release Date | January 14, 2021 | February 25, 2026 |
| In The Box | Headset, Charging Cable, Sim Ejector Pin | |
| Design | ||
| Dimensions | 75.6 x 165.1 x 8.9 mm | 78.1 x 163.6 x 7.9 mm |
| Weight | 227 g | 214 g |
| Colors | Cobalt Violet, Sky Blue, Black, White, Silver Shadow, Pink Gold | |
| Display | ||
| Type | Color Dynamic AMOLED 2X (16M Colors) | Color Dynamic LTPO AMOLED 2X (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.8 inches, 1440 x 3200 pixels, 120 Hz | 6.9 inches, 1440 x 3120 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.5:9 |
| PPI | ~ 515 PPI | ~ 500 PPI |
| Screen to Body Ratio | ~ 89.8% | ~ 90.7% |
| Glass Type | Corning Gorilla Glass Victus | Corning Gorilla Armor 2 |
| Brightness | 2600 nits (peak) | |
| Features | Always-on Display, HDR10+, Curved Display | DX anti-reflective coating, Privacy Display |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | |
| Memory | ||
| RAM | 12 GB | 12 GB |
| RAM Type | LPDDR5X | |
| Storage | 256 GB | 512 GB |
| Storage Type | UFS 3.1 | UFS 4 |
| Card Slot | No | |
| 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, v5.2, A2DP, LE | Yes, v6.0 |
| USB | Yes, USB-C v3.2 | Yes, USB-C v3.2 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes with A-GPS, Glonass |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Accelerometer, Barometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Proximity Sensor |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| AI Features | Galaxy AI, Circle to Search with Google, Photo Assist, Creative Studio, Bixby | |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP68 | IP68 |
| Dust Resistant | Yes | Yes |
| Extra Features | Samsung Care+, Samsung Health, Samsung Wallet, S Pen included, Redesigned Vapor Chamber, UWB (Ultra Wideband), Samsung DeX Support | |
| Camera | ||
| Rear Camera | 108 MP ƒ/1.8 10 MP ƒ/4.9 (Telephoto) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) | 200 MP ƒ/1.4 (Wide Angle) 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP ƒ/2.4 (Telephoto) 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 50 MP ƒ/2.9 (Telephoto) periscope telephoto), 1/2.52", 0.7µm, PDAF, OIS, 5x optical zoom 50 MP ƒ/1.9 (Ultra Wide) (ultrawide), 1/2.5", 0.7µm, dual pixel PDAF, Super Steady vide |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Auto-HDR, Panorama | Optical Zoom 3x and 5x, Optical Quality Zoom 2x and 10x, Digital Zoom up to 100x, Dual Recording, Food, Hyperlapse, Night, Panorama, Photo, Portrait, Portrait Video, Pro, Pro Video, Single Take, Slow Motion, Video |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD | 8K @ 30 fps UHD, 4K, 1080p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus | 12 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus, Screen Flash |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD | 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Technical | ||
| OS | Android v10 | Android v16 |
| Custom UI | ONE UI 8.5 | |
| Chipset | Samsung Exynos 2100 | Qualcomm Snapdragon 8 Elite Gen 5 for Galaxy |
| CPU | 2.9 GHz, Octa Core Processor | 4.74 GHz, Octa Core Processor |
| Core Details | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 | 2x4.74 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M |
| GPU | Mali-G78 MP14 | Adreno 840 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, DFF, DSF, APE |
| Video | Yes | MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 5000 mAh, Li-ion Battery |
| Fast Charging | Yes, 25W Fast Charging | Yes, 60W Fast Charging |
| Wireless Charging | Yes, 15W | Yes, 25W |
| Reverse Charging | Yes, 4.5W | Yes |
| Reverse Wireless Charging | Yes, 4.5W | |
| Video Playback Time | 31 hours | |