Samsung Galaxy S21 Ultra vs Samsung Galaxy S25 Ultra
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Overview
| Specs Score | 94 / 100 | 97 / 100 Better Specs |
| Display Resolution | 1440 x 3200 pixels Better Resolution | 1440 x 3120 pixels |
| CPU Clock Speed | 2.9 GHz | 4.47 GHz Faster Clock Speed |
| Rear Camera | 108 MP Quad | 200 MP Quad Better Camera Resolution |
| Front Camera | 40 MP Better Front Camera Resolution | 12 MP |
| Thickness | 8.9 mm | 8.2 mm Slimmer |
General
| Model | Galaxy S21 Ultra 5G | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | SIM 1 + eSIM / Dual eSIM |
| Device Type | Smartphone | Smartphone |
| Release Date | January 14, 2021 | January 22, 2025 |
| In The Box | Samsung Galaxy S25 Ultra, USB-C Cable, SIM Tray Ejector, Quick Start Guide, Stylus |
Design
| Dimensions | 75.6 x 165.1 x 8.9 mm | 77.6 x 162.8 x 8.2 mm |
| Weight | 227 g | 218 g |
| Bezel less | No | |
| Colors | Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold |
Display
| Type | Color Dynamic AMOLED 2X (16M Colors) | Color LTPO AMOLED Screen |
| 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 | 19.5:9 |
| PPI | ~ 515 PPI | ~ 498 PPI |
| Screen to Body Ratio | ~ 89.8% | ~ 92.5% |
| Glass Type | Corning Gorilla Glass Victus | Corning Gorilla Armor 2 |
| HDR Support | Yes, HDR10+ | Yes, HDR10+ |
| Adaptive Refresh Rate | Yes, LTPO | |
| Features | Always-on Display, HDR10+, Curved Display | HDR10+, 2600 nits (peak) |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 12 GB | 12 GB |
| Storage | 256 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), N5 (850), N7 (2600), N25 (1900), N28 (700), N66 (AWS-3), N71 (600), 5G TDD Sub6: N257 (28GHz), N258 (26GHz), N260 (39GHz), N261 (28GHz), 5G TDD mmWave: N41 (2500), N77 (3700), N78 (3500) | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| 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 |
| USB | Yes, USB-C v3.2 | Yes, USB-C USB 3.2 Gen 1 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging, USB Storage |
Extra
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | GPS, Glonass, Beidou, Galileo |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Accelerometer, Barometer,Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Proximity Sensor |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| AI Features | AI Mobile (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 |
| Extra Features | PC Sync. Smart Switch (PC version), Stereo Speakers, Galaxy AI, S Pen Support, Audio Eraser, Circle to Search with Google. |
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/1.7 (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 |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Auto-HDR, Panorama | HDR, Panorama, 100x Space Zoom |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD | 8K @ 24/30 fps UHD, 4K @ 120/60 fps UHD, 1080p @ 240/30/60 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus | 12 MP ƒ/2.2 (Wide Angle) 26mm (wide), 1/3.2", 1.12µm, Dual Pixel PDAF Punch Hole, Autofocus |
| 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 v15 |
| Custom UI | One UI 7 | |
| Chipset | Samsung Exynos 2100 | Qualcomm Snapdragon 8 Elite for Galaxy |
| CPU | 2.9 GHz, Octa Core Processor | 4.47 GHz, Octa Core Processor |
| Core Details | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 | 2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M |
| GPU | Mali-G78 MP14 | Adreno 830 |
| 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 | 5000 mAh |
| Fast Charging | Yes, 25W Fast Charging | Yes, 45W Fast Charging |
| Wireless Charging | Yes, 15W | Yes |
| Reverse Charging | Yes, 4.5W | Yes |
| Reverse Wireless Charging | Yes |
Discuss
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