Samsung Galaxy S25 Ultra vs Samsung Galaxy S21 Ultra
Here you can compare Samsung Galaxy S25 Ultra and Samsung Galaxy S21 Ultra. Comparing Samsung Galaxy S25 Ultra vs Samsung Galaxy S21 Ultra on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Samsung Galaxy S25 Ultra stands against Samsung Galaxy S21 Ultra and which one should you buy The current lowest price found for Samsung Galaxy S25 Ultra is ₹89,565 and for Samsung Galaxy S21 Ultra is ₹47,990. The details of both of these products were last updated on Jun 10, 2026.
| Specification | Samsung Galaxy S25 Ultra | Samsung Galaxy S21 Ultra |
|---|---|---|
| Display | 6.9 inches, 1440 x 3120 pixels, 120 Hz | 6.8 inches, 1440 x 3200 pixels, 120 Hz |
| Battery | 5000 mAh, Li-ion Battery | 5000 mAh, Li-Po Battery |
| Internal Memory | 256 GB | 256 GB |
| Rear Camera | 200 MP ƒ/1.7 (Wide Angle) 24mm (wide), 1/1.3", 0.6µm, Multi-directional PDAF, OIS 10 MP ƒ/2.4 (Telephoto) 67mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x Optical Zoom 50 MP ƒ/3.4 (Telephoto) 111mm (Periscope Telephoto), 1/2.52", 0.7µm, PDAF, OIS, 5x Optical Zoom 50 MP ƒ/1.9 (Ultra Wide) 120˚ (Ultrawide), 0.7µm, Dual Pixel PDAF, Super Steady Video | 108 MP ƒ/1.8 10 MP ƒ/4.9 (Telephoto) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| RAM | 12 GB | 12 GB |
| Price | ₹89,565 | ₹47,990 |
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Overview
| Specs Score | 92 / 100 Better Specs | 77 / 100 |
| Display Resolution | 1440 x 3120 pixels | 1440 x 3200 pixels Better Resolution |
| CPU Clock Speed | 4.47 GHz Faster Clock Speed | 2.9 GHz |
| Rear Camera | 200 MP Quad Better Camera Resolution | 108 MP Quad |
| Front Camera | 12 MP | 40 MP Better Front Camera Resolution |
| Thickness | 8.2 mm Slimmer | 8.9 mm |
General
| Country of Origin | India | |
| Model | SM-S938B, SM-S938B/DS, SM-S938U, SM-S938U1, SM-S938W, SM-S938N, SM-S9380, SM-S938E, SM-S938E/DS | Galaxy S21 Ultra 5G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | eSIM+Nano SIM | Nano+Nano SIM |
| eSIM Support | Yes | |
| SAR | 1.26 W/kg (Head) 0.64 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| OS Updates | 7 years | |
| Security Updates | 7 years | |
| Release Date | January 22, 2025 | January 14, 2021 |
| In The Box | Handset, Stylus Pen, Data Cable (Type C to C), Sim Ejection Pin |
Design
| Dimensions | 77.6 x 162.8 x 8.2 mm | 75.6 x 165.1 x 8.9 mm |
| Weight | 218 g | 227 g |
| Bezel less | No | |
| Qwerty | No | |
| Colors | Titanium Silverblue, Titanium Black, Titanium Whitesilver, Titanium Gray |
Display
| Type | Color Dynamic LTPO AMOLED 2X (16M Colors) | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.9 inches, 1440 x 3120 pixels, 120 Hz | 6.8 inches, 1440 x 3200 pixels, 120 Hz |
| Aspect Ratio | 19.5:9 | 20:9 |
| PPI | ~ 498 PPI | ~ 515 PPI |
| Screen to Body Ratio | ~ 92.5% | ~ 89.8% |
| Glass Type | Corning Gorilla Armor 2 | Corning Gorilla Glass Victus |
| Brightness | 2600 nits (Peak) | |
| HDR Support | Yes, HDR10+ | Yes, HDR10+ |
| Adaptive Refresh Rate | Yes, LTPO | |
| Features | HDR10+, Always-on Display | Always-on Display, HDR10+, Curved Display |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | No | Yes |
Memory
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 256 GB |
| Storage Type | UFS 4 | UFS 3.1 |
| Card Slot | No |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | TDD Sub6: N38(2600), N40(2300), N41(2500), N77(3700), N78(3500), 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) | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7, 802.11a/b/g/n/ac/ax/be 2.4GHz+5GHz+6GHz, EHT320, MIMO, 4096-QAM | |
| Ultra Wideband (UWB) Support | Yes | |
| 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 Tethering, USB on-the-go, USB Charging, USB Storage | USB on-the-go, USB Charging |
Performance
| AnTuTu Score | 2,557,926 (Total) (v10) 630,886 (CPU) 1,088,538 (GPU) 469,835 (Memory) 368,667 (UX) | |
| AnTuTu Storage Score | 192,970 | |
| Geekbench Score | 9,950 (Multi Core) (v6) 3,100 (Single Core) | |
| Camera Score | 151 (DxOMark) | |
| Speaker Score | 81 (Very Good) | |
| Battery Test Result | 15.1 hours |
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 |
| AI Features | Photo Assist, Notes Assist, Drawing Assist, Circle to Search, Google Gemini (AI Mobile) | |
| 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 | Photo Assist, Notes Assist, Drawing Assist, Circle to Search, Google Gemini (AI Mobile), 7 Years of Major OS Updates and 7 Years of Security Updates, Titanium Frame, Samsung Care+, Samsung Health, Samsung Wallet, S Pen Included, Glass Front (Corning Gorilla Armor 2), Glass Back (Corning Gorilla Armor 2), Titanium Frame (Grade 5), Stereo Speakers, DisplayPort 1.2, Samsung DeX, Samsung Wireless DeX, Ultra Wideband (UWB) Support |
Camera
| Rear Camera | 200 MP ƒ/1.7 (Wide Angle) 24mm (wide), 1/1.3", 0.6µm, Multi-directional PDAF, OIS 10 MP ƒ/2.4 (Telephoto) 67mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x Optical Zoom 50 MP ƒ/3.4 (Telephoto) 111mm (Periscope Telephoto), 1/2.52", 0.7µm, PDAF, OIS, 5x Optical Zoom 50 MP ƒ/1.9 (Ultra Wide) 120˚ (Ultrawide), 0.7µm, Dual Pixel PDAF, Super Steady Video | 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, Laser AF | Yes |
| Features | Bixby Vision, Dual Recording, Food, Hyperlapse, Night, Panorama, Photo, Portrait, Portrait Video, Pro, Pro Video, Single Take, Slow Motion, Video, Upto 100X Digital Zoom | Auto-HDR, Panorama |
| Video Recording | 8K @ 24/30 fps UHD, 4K @ 120/30/60 fps UHD, 1080p @ 240/30/60 fps FHD | 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) 26mm (Wide), 1/3.2", 1.12µm, Dual Pixel PDAF Punch Hole, Autofocus, Screen Flash | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD |
Technical
| OS | Android v15 | Android v10 |
| Custom UI | One UI 7 | |
| Chipset | Qualcomm Snapdragon 8 Elite for Galaxy | Samsung Exynos 2100 |
| CPU | 4.47 GHz, Octa Core Processor | 2.9 GHz, Octa Core Processor |
| Core Details | 2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 |
| GPU | Adreno 830 | Mali-G78 MP14 |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-ion Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 45W Fast Charging PD3.0, 65% in 30 min | Yes, 25W Fast Charging |
| Wireless Charging | Yes, 15W | Yes, 15W |
| Reverse Charging | Yes, 10W | Yes, 4.5W |
| Reverse Wireless Charging | Yes, 4.5W | |
| Video Playback Time | 31 hours |
Discuss
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