Samsung Galaxy S26 Ultra 5G has better RAM than Samsung Galaxy S21 Plus. In terms of display resolution, Samsung Galaxy S26 Ultra 5G has better resolution of 3120 x 1440 than Samsung Galaxy S21 Plus which has resolution of 2400 x 1080. Samsung Galaxy S26 Ultra 5G has more internal memory than Samsung Galaxy S21 Plus
| Name | Samsung Galaxy S21 Plus | Samsung Galaxy S26 Ultra 5G |
| RAM | 8 GB | 12 GB |
|---|---|---|
| Display | 6.7 in | 6.9 in |
| Internal Memory | 128 GB | 256 GB |
| Battery | 4800 mAh | 5000 mAh |
| Camera | 64 MP + 12 MP + 12 MP Triple | 200 MP Quad |
| Price | Rs. 81999 | Rs. 124999 |
The launch Date of the first phone is January 14, 2021. The cost of Samsung Galaxy S21 Plus is Rs. 81999. The launch Date of the second phone is February 25, 2026. The cost of Samsung Galaxy S26 Ultra 5G is Rs. 124999.
Samsung Galaxy S26 Ultra 5G has larger screen size of 6.9 inches in comparison to Samsung Galaxy S21 Plus's 6.7 inch screen. Samsung Galaxy S21 Plus has Screen type where as Samsung Galaxy S26 Ultra 5G has LTPO AMOLED Screen type. Samsung Galaxy S26 Ultra 5G has display density of 500 PPI & Samsung Galaxy S21 Plus has only 394 PPI display density. In terms of screen to body ratio, Samsung Galaxy S26 Ultra 5G has better screen to body ratio of ~ 90.7% than Samsung Galaxy S21 Plus's ~ 88.3%. Samsung Galaxy S21 Plus has 20:9 aspect ratio where as Samsung Galaxy S26 Ultra 5G has 20.5:9 aspect ratio.
Samsung Galaxy S26 Ultra 5G's larger 12 GB RAM is better for playing games and all with respect to Samsung Galaxy S21 Plus's lower 8 GB RAM. Samsung Galaxy S26 Ultra 5G has more Internal Memory (256 GB) than Samsung Galaxy S21 Plus (128 GB).
Samsung Galaxy S26 Ultra 5G's 200 MP Quad Rear Camera outclasses Samsung Galaxy S21 Plus's 64 MP + 12 MP + 12 MP Triple Rear Camera in terms of resolution. Samsung Galaxy S26 Ultra 5G will be better choice if you're looking to click lot of selfies as it has better 12 MP Front Camera in comparison to Samsung Galaxy S21 Plus's 10 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 10 and the second one on 16 version.
| Name | Samsung Galaxy S21 Plus | Samsung Galaxy S26 Ultra 5G |
| General | ||
| Model | Galaxy S21+ 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 |
| eSIM Support | Yes | |
| 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 161.5 x 7.8 mm | 78.1 x 163.6 x 7.9 mm |
| Weight | 200 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 | 6.7 inches, 1080 x 2400 pixels, 120 Hz | 6.9 inches, 1440 x 3120 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.5:9 |
| PPI | ~ 394 PPI | ~ 500 PPI |
| Screen to Body Ratio | ~ 88.3% | ~ 90.7% |
| Glass Type | Corning Gorilla Glass Victus | Corning Gorilla Armor 2 |
| Brightness | 2600 nits (peak) | |
| HDR Support | Yes, HDR10+ | |
| Adaptive Refresh Rate | Yes | |
| Features | Always-on Display, HDR10+ | DX anti-reflective coating, Privacy Display |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 8 GB | 12 GB |
| RAM Type | LPDDR5X | |
| Storage | 128 GB | 256 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 | |
| Ultra Wideband (UWB) Support | Yes | |
| Bluetooth | Yes, v5.0, 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 |
| Performance | ||
| AnTuTu Score | 3,668,406 (Total) (v11) 1,087,228 (CPU) 1,491,438 (GPU) 386,328 (Memory) 703,412 (UX) | |
| Geekbench Score | 10,585 (Multi Core) (v6) 3,539 (Single Core) 25,712 (OpenCL) | |
| Camera Score | 157 (DxOMark) | |
| 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 | 12 MP ƒ/1.8 (Wide Angle) 64 MP ƒ/2 (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 | 10 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 | 4800 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 | |