Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) vs Samsung Galaxy S26 5G
Here you can compare Samsung Galaxy S21 Ultra 5G (12GB RAM … and Samsung Galaxy S26 5G. Comparing Samsung Galaxy S21 Ultra 5G (12GB RAM … vs Samsung Galaxy S26 5G on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Samsung Galaxy S21 Ultra 5G (12GB RAM … stands against Samsung Galaxy S26 5G and which one should you buy The current lowest price found for Samsung Galaxy S21 Ultra 5G (12GB RAM … is ₹1,01,999 and for Samsung Galaxy S26 5G is ₹79,999. The details of both of these products were last updated on Sep 05, 2026.
| Specification | Samsung Galaxy S21 Ultra 5G (12GB RAM … | Samsung Galaxy S26 5G |
|---|---|---|
| Battery | 5000 mAh, Li-Po Battery | 4300 mAh, Li-ion Battery |
| Internal Memory | 128 GB | 256 GB |
| 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) | 50 MP ƒ/1.8 (Wide Angle) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| RAM | 12 GB | 12 GB |
| CPU | 2.9 GHz, Octa Core Processor | 3.8 GHz, Deca Core Processor |
| Price | ₹1,01,999 | ₹79,999 |
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Overview
| Specs Score | 80 / 100 | 80 / 100 |
| Display Size | 6.8 in Bigger Display | 6.3 in |
| Display Resolution | 1440 x 3200 pixels Better Resolution | 1080 x 2340 pixels |
| Storage | 128 GB | 256 GB More Storage |
| CPU Clock Speed | 2.9 GHz | 3.8 GHz Faster Clock Speed |
| CPU Cores | Octa Core | Deca Core More CPU Cores |
| Rear Camera | 108 MP Quad Better Camera Resolution | 50 MP + 12 MP + 10 MP Triple |
| Front Camera | 40 MP Better Front Camera Resolution | 12 MP |
| Weight | 227 g | 167 g Lighter |
| Thickness | 8.9 mm | 7.2 mm Slimmer |
| Battery | 5000 mAh Bigger Battery | 4300 mAh |
General
| Model | Galaxy S21 Ultra 5G | SM-S942B, SM-S942B/DS, SM-S942U, SM-S942U1, SM-S942W, SM-S942N, SM-S9420, SM-S942E, SM-S942E/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 |
Design
| Dimensions | 75.6 x 165.1 x 8.9 mm | 71.7 x 149.6 x 7.2 mm |
| Weight | 227 g | 167 g |
| Bezel less | Yes | |
| Colors | Cobalt Violet, Sky Blue, Black, White, Silver Shadow, Pink Gold |
Display
| Type | Color Dynamic AMOLED 2X (16M Colors) | Color Dynamic AMOLED 2X Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.8 inches, 1440 x 3200 pixels, 120 Hz | 6.3 inches, 1080 x 2340 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.5:9 |
| PPI | ~ 515 PPI | ~ 411 PPI |
| Screen to Body Ratio | ~ 89.8% | ~ 90% |
| Glass Type | Corning Gorilla Glass Victus | Corning Gorilla Armor 2 |
| Brightness | 2600nits | |
| HDR Support | Yes, HDR10+ | |
| Features | Always-on Display, HDR10+ | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 12 GB | 12 GB |
| Storage | 128 GB | 256 GB |
| Storage Type | UFS 3.1 | UFS 4 |
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, v5.4, 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 |
Performance
| AnTuTu Score | 2,985,906 (Total) (v11) | |
| AnTuTu Storage Score | 158,355 Sequential Read: 4158.0 MB/s; Sequential Write: 3053.1 MB/s | |
| Geekbench Score | 11,023 (Multi Core) (v6) 3,286 (Single Core) 25,104 (OpenCL) 27,627 (Vulkan) | |
| 3DMark Score | 6,526 (Wild Life Extreme) (39.08 FPS) |
Extra
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS, Glonass, Beidou, Galileo, QZSS |
| 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 | 108 MP ƒ/1.8 10 MP ƒ/4.9 (Telephoto) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) | 50 MP ƒ/1.8 (Wide Angle) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Auto-HDR, Panorama | Best Face, auto-HDR, panorama |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD | 8K, 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 |
| 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 | OneUI 8.5 | |
| Chipset | Samsung Exynos 2100 | Samsung Exynos 2600 |
| CPU | 2.9 GHz, Octa Core Processor | 3.8 GHz, Deca Core Processor |
| Core Details | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 | 1x3.80GHz C1-Ultra & 3x3.25GHz C1-Pro & 6x2.75GHz C1-Pro |
| GPU | Mali-G78 MP14 | Xclipse 960 |
| 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 |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 4300 mAh, Li-ion Battery |
| Fast Charging | Yes, 25W Fast Charging | Yes, 25W |
| Wireless Charging | Yes, 15W | Yes, 15W |
| Reverse Charging | Yes, 4.5W | Yes |
| Reverse Wireless Charging | Yes, 4.5W |
Discuss
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