Samsung Galaxy S25 5G vs Samsung Galaxy S21
Quick Comparison
Samsung Galaxy S25 5G has better RAM than Samsung Galaxy S21. In terms of display resolution, Samsung Galaxy S21 has better resolution of 2400 x 1080 than Samsung Galaxy S25 5G which has resolution of 2340 x 1080. Samsung Galaxy S25 5G has more internal memory than Samsung Galaxy S21
| Name | Samsung Galaxy S25 5G | Samsung Galaxy S21 |
| RAM | 12 GB | 8 GB |
|---|---|---|
| Display | 6.2 in | 6.2 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 4000 mAh | 4000 mAh |
| Camera | 50 MP + 12 MP + 10 MP Triple | 64 MP + 12 MP + 12 MP Triple |
| Price | Rs. 80999 | Rs. 69999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is January 22, 2025. The cost of Samsung Galaxy S25 5G is Rs. 80999. The launch Date of the second phone is January 14, 2021. The cost of Samsung Galaxy S21 is Rs. 69999.
Display comparison
Samsung Galaxy S25 5G has LTPO AMOLED Screen type where as Samsung Galaxy S21 has Screen type. Samsung Galaxy S21 has display density of 421 PPI & Samsung Galaxy S25 5G has only 416 PPI display density. In terms of screen to body ratio, Samsung Galaxy S25 5G has better screen to body ratio of ~ 91.1% than Samsung Galaxy S21's ~ 87.2%. Samsung Galaxy S25 5G has 20.5:9 aspect ratio where as Samsung Galaxy S21 has 20:9 aspect ratio.
Memory comparison
Samsung Galaxy S25 5G's larger 12 GB RAM is better for playing games and all with respect to Samsung Galaxy S21's lower 8 GB RAM. Samsung Galaxy S25 5G has more Internal Memory (256 GB) than Samsung Galaxy S21 (128 GB).
Camera comparison
Samsung Galaxy S25 5G's 50 MP + 12 MP + 10 MP Triple Rear Camera outclasses Samsung Galaxy S21's 64 MP + 12 MP + 12 MP Triple Rear Camera in terms of resolution. Samsung Galaxy S25 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's 10 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 10 version.
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Full Comparison
| Name | Samsung Galaxy S25 5G | Samsung Galaxy S21 |
| General | ||
| Country of Origin | India | |
| Model | SM-S931B, SM-S931B/DS, SM-S931U, SM-S931U1, SM-S931W, SM-S931N, SM-S9310, SM-S931E, SM-S931E/DS | Galaxy S21 5G |
| 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 | January 14, 2021 |
| Design | ||
| Dimensions | 70.5 x 146.9 x 7.2 mm | 71.2 x 151.7 x 7.9 mm |
| Weight | 162 g | 169 g |
| Bezel less | Yes | |
| Colors | Icy Blue, Mint, Navy, Silver Shadow | |
| Display | ||
| Type | Color LTPO AMOLED Screen (1B Colors) | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.2 inches, 1080 x 2340 pixels, 120 Hz | 6.2 inches, 1080 x 2400 pixels, 120 Hz |
| Aspect Ratio | 20.5:9 | 20:9 |
| PPI | ~ 416 PPI | ~ 421 PPI |
| Screen to Body Ratio | ~ 91.1% | ~ 87.2% |
| Glass Type | Corning Gorilla Glass Victus 2 | Corning Gorilla Glass Victus |
| Features | HDR10+, 2600 nits (peak) | Always-on Display, HDR10+ |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 12 GB | 8 GB |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 4.0 | UFS 3.1 |
| Card Slot | No | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | 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), 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 | Wi-Fi 7, 802.11a/b/g/n/ac/ax/be 2.4GHz+5GHz+6GHz, EHT320, MIMO, 4096-QAM | |
| Bluetooth | Yes, v5.4, A2DP, LE | Yes, v5.0, 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 |
| 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 |
| 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 | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 24mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS 10 MP ƒ/2.4 (Telephoto) 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP ƒ/2.2 (Ultra Wide) 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video | 12 MP ƒ/1.8 (Wide Angle) 64 MP ƒ/2 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| Auto Focus | Yes | |
| Features | HDR, Panorama | Auto-HDR, Panorama |
| Video Recording | 4K @ 30/60 fps UHD, 1080p @ 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) Punch Hole | 10 MP ƒ/2.2 (Wide Angle) Punch Hole |
| Front Video Recording | 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v10 |
| Custom UI | OneUI 7 | |
| Chipset | Qualcomm Snapdragon 8Elite | 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 | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, DFF, DSF, APE | Yes |
| Video | MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4000 mAh, Li-ion Battery | 4000 mAh, Li-Po Battery |
| Fast Charging | Yes, 25W Fast Charging | Yes, 25W Fast Charging |
| Wireless Charging | Yes, 15W | Yes, 15W |
| Reverse Charging | Yes | Yes, 4.5W |
| Reverse Wireless Charging | Yes, 4.5W | |