Samsung Galaxy S25 Ultra (16GB RAM + 1TB) vs Samsung Galaxy M21 2021 (6GB RAM + 128GB)
Quick Comparison
Samsung Galaxy S25 Ultra (16GB RAM + 1TB) has better RAM than Samsung Galaxy M21 2021 (6GB RAM + 128GB). In terms of display resolution, Samsung Galaxy S25 Ultra (16GB RAM + 1TB) has better resolution of 3120 x 1440 than Samsung Galaxy M21 2021 (6GB RAM + 128GB) which has resolution of 2340 x 1080. Samsung Galaxy S25 Ultra (16GB RAM + 1TB) has more internal memory than Samsung Galaxy M21 2021 (6GB RAM + 128GB)
| Name | Samsung Galaxy S25 Ultra (16GB RAM + 1TB) | Samsung Galaxy M21 2021 (6GB RAM + 128GB) |
| RAM | 16 GB | 6 GB |
|---|---|---|
| Display | 6.9 in | 6.4 in |
| Internal Memory | 1 TB | 128 GB |
| Battery | 5000 mAh | 6000 mAh |
| Camera | 200 MP Quad | 48 MP + 8 MP + 5 MP Triple |
| Price | Rs. 175999 | Rs. 12999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is January 22, 2025. The Expected cost of Samsung Galaxy S25 Ultra (16GB RAM + 1TB) is Rs. 175999. The launch Date of the second phone is July 21, 2021. The cost of Samsung Galaxy M21 2021 (6GB RAM + 128GB) is Rs. 12999.
Display comparison
Samsung Galaxy S25 Ultra (16GB RAM + 1TB) has larger screen size of 6.9 inches in comparison to Samsung Galaxy M21 2021 (6GB RAM + 128GB)'s 6.4 inch screen. Samsung Galaxy S25 Ultra (16GB RAM + 1TB) has LTPO AMOLED Screen type where as Samsung Galaxy M21 2021 (6GB RAM + 128GB) has Super AMOLED Screen type. Samsung Galaxy S25 Ultra (16GB RAM + 1TB) has display density of 498 PPI & Samsung Galaxy M21 2021 (6GB RAM + 128GB) has only 403 PPI display density. In terms of screen to body ratio, Samsung Galaxy S25 Ultra (16GB RAM + 1TB) has better screen to body ratio of ~ 92.5% than Samsung Galaxy M21 2021 (6GB RAM + 128GB)'s ~ 84.2%. Samsung Galaxy S25 Ultra (16GB RAM + 1TB) has 20.5:9 aspect ratio where as Samsung Galaxy M21 2021 (6GB RAM + 128GB) has 19.5:9 aspect ratio.
Memory comparison
Samsung Galaxy S25 Ultra (16GB RAM + 1TB)'s larger 16 GB RAM is better for playing games and all with respect to Samsung Galaxy M21 2021 (6GB RAM + 128GB)'s lower 6 GB RAM. Samsung Galaxy S25 Ultra (16GB RAM + 1TB) has more Internal Memory (1 TB) than Samsung Galaxy M21 2021 (6GB RAM + 128GB) (128 GB).
Camera comparison
Samsung Galaxy S25 Ultra (16GB RAM + 1TB)'s 200 MP Quad Rear Camera outshines Samsung Galaxy M21 2021 (6GB RAM + 128GB)'s 48 MP + 8 MP + 5 MP Triple Rear Camera in terms of resolution. Samsung Galaxy M21 2021 (6GB RAM + 128GB) will be better choice if you're looking to click lot of selfies as it has better 20 MP Front Camera in comparison to Samsung Galaxy S25 Ultra (16GB RAM + 1TB)'s 12 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 15 and the second one on 11 version.
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Full Comparison
| Name | Samsung Galaxy S25 Ultra (16GB RAM + 1TB) | Samsung Galaxy M21 2021 (6GB RAM + 128GB) |
| General | ||
| Model | Galaxy M21 2021 | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | eSIM+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | January 22, 2025 | July 21, 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 | 75.1 x 159 x 9 mm |
| Weight | 218 g | 192 g |
| Bezel less | No | |
| Colors | Titanium Silverblue, Titanium Black, Titanium Whitesilver, Titanium Gray | |
| Display | ||
| Type | Color LTPO AMOLED Screen (1B Colors) | Color Super AMOLED Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.9 inches, 1440 x 3120 pixels, 120 Hz | 6.4 inches, 1080 x 2340 pixels, 60 Hz |
| Aspect Ratio | 20.5:9 | 19.5:9 |
| PPI | ~ 498 PPI | ~ 403 PPI |
| Screen to Body Ratio | ~ 92.5% | ~ 84.2% |
| Glass Type | Corning Gorilla Armor 2 | Corning Gorilla Glass 3 |
| Features | HDR10+, 2600 nits (peak) | 420 nits (peak) |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Curved Display | No | |
| Memory | ||
| RAM | 16 GB | 6 GB |
| Storage | 1 TB | 128 GB |
| Storage Type | UFS 4 | |
| Card Slot | No | Yes, upto 512 GB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | 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 |
| 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 | |
| Bluetooth | Yes, v5.4 | Yes, v5.0 |
| USB | Yes, USB-C v3.2 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| Extra | ||
| GPS | Yes with A-GPS, Glonass, Beidou, Galileo, QZSS | Yes, with A-GPS, Glonass, Beidou, Galileo |
| Fingerprint Sensor | Yes, In Display | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Proximity Sensor | Accelerometer, Gyro Sensor, Geomagnetic Sensor, Proximity Sensor, Virtual Light Sensing |
| 3.5mm Headphone Jack | No | Yes |
| NFC | Yes | |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| IP Rating | IP68 | |
| Dust Resistant | 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 | |
| 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 | 48 MP ƒ/2 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.2 (Depth Sensor) |
| OIS | Yes | |
| Auto Focus | Yes | 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 | Panorama, HDR |
| Video Recording | 8K @ 24/30 fps UHD, 4K @ 60 fps UHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 12 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash | 20 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v11 |
| Custom UI | One UI 7 | |
| Chipset | Qualcomm Snapdragon 8Elite | Samsung Exynos 9611 |
| CPU | 4.47 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 |
| GPU | Adreno 830 | Mali-G72 MP3 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA |
| Video | Yes | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM |
| FM Radio | No | Yes |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-ion Battery | 6000 mAh, Li-Po Battery |
| Fast Charging | Yes, 45W Fast Charging | Yes, 15W Fast Charging |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes, 10W | |
| Reverse Wireless Charging | Yes, 4.5 | |
| Talk Time | 49 hours | |
| Video Playback Time | 31 hours | |
| Music Playback Time | 131 hours | |