Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) vs Samsung Galaxy A57 5G
Here you can compare Samsung Galaxy S21 Ultra 5G (12GB RAM … and Samsung Galaxy A57 5G. Comparing Samsung Galaxy S21 Ultra 5G (12GB RAM … vs Samsung Galaxy A57 5G on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Samsung Galaxy S21 Ultra 5G (12GB RAM … stands against Samsung Galaxy A57 5G and which one should you buy The current lowest price found for Samsung Galaxy S21 Ultra 5G (12GB RAM … is ₹1,01,999 and for Samsung Galaxy A57 5G is ₹56,999. The details of both of these products were last updated on Oct 05, 2026.
| Specification | Samsung Galaxy S21 Ultra 5G (12GB RAM … | Samsung Galaxy A57 5G |
|---|---|---|
| RAM | 12 GB | 8 GB |
| Internal Memory | 128 GB | 256 GB |
| CPU | 2.9 GHz, Octa Core Processor | 2.9 GHz, Octa Core Processor |
| Battery | 5000 mAh, Li-Po Battery | 5000 mAh |
| Display | 6.8 inches, 1440 x 3200 pixels, 120 Hz | 6.7 inches, 1080 x 2340 pixels, 120 Hz |
| Price | ₹1,01,999 | ₹56,999 |
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Overview
| Specs Score | 80 / 100 Better Specs | 74 / 100 |
| Display Resolution | 1440 x 3200 pixels Better Resolution | 1080 x 2340 pixels |
| RAM | 12 GB More RAM | 8 GB |
| Storage | 128 GB | 256 GB More Storage |
| Rear Camera | 108 MP Quad Better Camera Resolution | 50 MP + 12 MP + 5 MP Triple |
| Front Camera | 40 MP Better Front Camera Resolution | 12 MP |
| Weight | 227 g | 179 g Lighter |
| Thickness | 8.9 mm | 6.9 mm Slimmer |
| Unique Features | Wireless Charging Reverse Charging | No No |
General
| Model | Galaxy S21 Ultra 5G | SM-A576B, SM-A576B/DS, SM-A576Q, SM-A576U1, SM-A576W, SM-A576Z, SM-A5760 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | SIM 1 + SIM 2 / SIM 1 + eSIM / Dual eSIM SIM |
| eSIM Support | Yes | |
| Device Type | Smartphone | Smartphone |
| OS Updates | 6 years | |
| Security Updates | 6 years | |
| Release Date | January 14, 2021 | March 25, 2026 |
Design
| Dimensions | 75.6 x 165.1 x 8.9 mm | 76.8 x 161.5 x 6.9 mm |
| Weight | 227 g | 179 g |
| Colors | Navy, Gray, Icyblue, Lilac |
Display
| Type | Color Dynamic AMOLED 2X (16M Colors) | Color Super AMOLED Plus Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.8 inches, 1440 x 3200 pixels, 120 Hz | 6.7 inches, 1080 x 2340 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 515 PPI | ~ 385 PPI |
| Screen to Body Ratio | ~ 89.8% | ~ 88.8% |
| Glass Type | Corning Gorilla Glass Victus | Corning Gorilla Glass Victus+, Mohs level 5 |
| Brightness | 1200 nits (HBM), 1900 nits (peak) | |
| HDR Support | Yes, HDR10+ | Yes, HDR10+ |
| Features | Always-on Display, HDR10+ | HDR10+ |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 12 GB | 8 GB |
| RAM Type | LPDDR5X | |
| Storage | 128 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, Dual Stand-By | Yes |
| 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, v5.2, A2DP, LE | Yes, v6.0, A2DP, LE |
| USB | Yes, USB-C v3.2 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go |
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 | Yes, with A-GPS, GLONASS, BDS, GALILEO | GPS, Glonass, Beidou, Galileo, QZSS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Proximity Sensor |
| 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 | 108 MP ƒ/1.8 10 MP ƒ/4.9 (Telephoto) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) | 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) |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Auto-HDR, Panorama | Digital Zoom up to 10x |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD | 4K @ 30 fps UHD, 1080p @ 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) Punch Hole |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Front Camera Features | Dual video call, Auto-HDR | HDR |
Technical
| OS | Android v10 | Android v16 |
| Custom UI | OneUI 8.5 | |
| Chipset | Samsung Exynos 2100 | Samsung Exynos 1680 |
| 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 | Mali-G78 MP14 | Xclipse 550 |
| 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, Li-Po Battery | 5000 mAh |
| Fast Charging | Yes, 25W Fast Charging | Yes, 45W Fast Charging |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes, 4.5W |
Discuss
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