Both Samsung Galaxy A57 (12GB RAM + 256GB) and Samsung Galaxy S21 Ultra comes with same RAM. In terms of display resolution, Samsung Galaxy S21 Ultra has better resolution of 3200 x 1440 than Samsung Galaxy A57 (12GB RAM + 256GB) which has resolution of 2340 x 1080. Both have the same amount of internal memory.
| Name | Samsung Galaxy A57 (12GB RAM + 256GB) | Samsung Galaxy S21 Ultra |
| RAM | 12 GB | 12 GB |
|---|---|---|
| Display | 6.7 in | 6.8 in |
| Internal Memory | 256 GB | 256 GB |
| Battery | 5000 mAh | 5000 mAh |
| Camera | 50 MP + 12 MP + 5 MP Triple | 108 MP Quad |
| Price | Rs. 57499 | Rs. 47990 |
The launch Date of the first phone is March 25, 2026. The cost of Samsung Galaxy A57 (12GB RAM + 256GB) is Rs. 57499. The launch Date of the second phone is January 14, 2021. The cost of Samsung Galaxy S21 Ultra is Rs. 47990.
Samsung Galaxy A57 (12GB RAM + 256GB) has screen size of 6.7 inches which falls short to Samsung Galaxy S21 Ultra's 6.8 inch screen. Samsung Galaxy A57 (12GB RAM + 256GB) has Super AMOLED Plus Screen type where as Samsung Galaxy S21 Ultra has Screen type. Samsung Galaxy S21 Ultra has display density of 515 PPI & Samsung Galaxy A57 (12GB RAM + 256GB) has only 385 PPI display density. In terms of screen to body ratio, Samsung Galaxy S21 Ultra has better screen to body ratio of ~ 89.8% than Samsung Galaxy A57 (12GB RAM + 256GB)'s ~ 88.8%. Both mobiles have same aspect ratio of 20:9.
Both mobiles come with 12 GB RAM and both have same Internal Memory of 256 GB.
Samsung Galaxy S21 Ultra's 108 MP Quad Rear Camera outclasses Samsung Galaxy A57 (12GB RAM + 256GB)'s 50 MP + 12 MP + 5 MP Triple Rear Camera in terms of resolution. Samsung Galaxy S21 Ultra will be better choice if you're looking to click lot of selfies as it has better 40 MP Front Camera in comparison to Samsung Galaxy A57 (12GB RAM + 256GB)'s 12 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 16 and the second one on 10 version.
| Name | Samsung Galaxy A57 (12GB RAM + 256GB) | Samsung Galaxy S21 Ultra |
| General | ||
| Model | SM-A576B, SM-A576B/DS, SM-A576Q, SM-A576U1, SM-A576W, SM-A576Z, SM-A5760 | Galaxy S21 Ultra 5G |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | SIM 1 + SIM 2 / SIM 1 + eSIM / Dual eSIM SIM | Nano+Nano SIM |
| eSIM Support | Yes | |
| Device Type | Smartphone | Smartphone |
| OS Updates | 6 years | |
| Security Updates | 6 years | |
| Release Date | March 25, 2026 | January 14, 2021 |
| Design | ||
| Dimensions | 76.8 x 161.5 x 6.9 mm | 75.6 x 165.1 x 8.9 mm |
| Weight | 179 g | 227 g |
| Colors | Navy, Gray, Icyblue, Lilac | |
| Display | ||
| Type | Color Super AMOLED Plus Screen (16M Colors) | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.7 inches, 1080 x 2340 pixels, 120 Hz | 6.8 inches, 1440 x 3200 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 385 PPI | ~ 515 PPI |
| Screen to Body Ratio | ~ 88.8% | ~ 89.8% |
| Glass Type | Corning Gorilla Glass Victus+, Mohs level 5 | Corning Gorilla Glass Victus |
| Brightness | 1200 nits (HBM), 1900 nits (peak) | |
| HDR Support | Yes, HDR10+ | Yes, HDR10+ |
| Features | HDR10+ | Always-on Display, HDR10+, Curved Display |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | |
| Memory | ||
| RAM | 12 GB | 12 GB |
| RAM Type | LPDDR5X | |
| Storage | 256 GB | 256 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | No | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | 5G* FDD Sub6: N1(2100), N3(1800), N5(850), N7(2600), N8(900), N20(800), N28(700), N66(AWS-3) 5G* TDD Sub6: N38(2600), N40(2300), N41(2500), N77(3700), N78(3500) | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 802.11a/b/g/n/ac/ax 2.4GHz+5GHz+6GHz, HE80, MIMO, 1024-QAM | |
| Bluetooth | Yes, v6.0, A2DP, LE | Yes, v5.2, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C v3.2 |
| USB Features | USB on-the-go | USB on-the-go, USB Charging |
| Performance | ||
| AnTuTu Score | 1,348,362 (Total) (v11) 499,380 (CPU) 374,531 (GPU) 200,579 (Memory) 273,872 (UX) | |
| AnTuTu Storage Score | 88,710 | |
| Geekbench Score | 4,406 (Multi Core) (v6) 1,375 (Single Core) 6,620 (OpenCL) 7,616 (Vulkan) | |
| 3DMark Score | 1,694 (Wild Life Extreme) (10.15 FPS) | |
| Extra | ||
| GPS | 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, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Proximity Sensor | Accelerometer, Gyro, Proximity, Compass, Barometer |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| AI Features | Agentic AI, Personal AI assistants - Bixby, Gemini Live, and Perplexity, Enhanced Circle to Search | |
| 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 | Samsung Knox | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 1/1.56", 1.0µm, PDAF, OIS 12 MP ƒ/2.2 (Ultra Wide) 123˚ (ultrawide), 1/3.06", 1.12µm 5 MP ƒ/2.4 (Macro) | 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 | Yes |
| Features | Digital Zoom up to 10x | Auto-HDR, Panorama |
| Video Recording | 4K @ 30 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 | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus |
| Front Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v16 | Android v10 |
| Custom UI | OneUI 8.5 | |
| Chipset | Samsung Exynos 1680 | Samsung Exynos 2100 |
| CPU | 2.9 GHz, Octa Core Processor | 2.9 GHz, Octa Core Processor |
| Core Details | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 | |
| GPU | Xclipse 550 | Mali-G78 MP14 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | No |
| Speaker Type | Stereo | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 45W Fast Charging | Yes, 25W Fast Charging |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes, 4.5W | |