Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) vs Samsung Galaxy A55 5G
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Overview
| Specs Score | 91 / 100 Better Specs | 85 / 100 |
| Display Resolution | 1440 x 3200 pixels Better Resolution | 1080 x 2340 pixels |
| RAM | 12 GB More RAM | 8 GB |
| CPU Clock Speed | 2.9 GHz Faster Clock Speed | 2.7 GHz |
| Rear Camera | 108 MP Quad Better Camera Resolution | 50 MP + 12 MP + 5 MP Triple |
| Front Camera | 40 MP Better Front Camera Resolution | 32 MP |
| Weight | 227 g | 213 g Lighter |
| Thickness | 8.9 mm | 8.2 mm Slimmer |
| Unique Features | No Wireless Charging Reverse Charging | Memory Card Support No No |
General
| Model | Galaxy S21 Ultra 5G | SM-A556V, SM-A556B, SM-A556B/DS, SM-A556E, SM-A556E/DS, SM-A5560 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | January 14, 2021 | March 11, 2024 |
| In The Box | Handset, Data Cable (USB Type C to C), Ejection pin, Quick Start Guide |
Design
| Dimensions | 75.6 x 165.1 x 8.9 mm | 77.4 x 161.1 x 8.2 mm |
| Weight | 227 g | 213 g |
| Colors | Iceblue, Lilac, Navy, Lemon |
Display
| Type | Color Dynamic AMOLED 2X (16M Colors) | Color Super AMOLED Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.8 inches, 1440 x 3200 pixels, 120 Hz | 6.6 inches, 1080 x 2340 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 515 PPI | ~ 390 PPI |
| Screen to Body Ratio | ~ 89.8% | ~ 85.8% |
| Glass Type | Corning Gorilla Glass Victus | Corning Gorilla Glass Victus Plus |
| Features | Always-on Display, HDR10+ | HDR10+, 1000 nits Brightness |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 12 GB | 8 GB |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 3.1 | |
| Card Slot | Yes, (Hybrid Slot), upto 1 TB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | FDD Sub6: N1(2100), N3(1800), N5(850), N7(2600), N8(900), N26(850), N28(700), N66(AWS-3), TDD Sub6 N40(2300), 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 2.4GHz+5GHz, HE80, MIMO, 1024-QAM | |
| Bluetooth | Yes, v5.2, A2DP, LE | Yes, v5.3, 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 | 712,992 (Total) (v10) 225,413 (CPU) 167,758 (GPU) 145,378 (Memory) 174,443 (UX) | |
| Geekbench Score | 3,454 (Multi Core) (v6) 1,161 (Single Core) 3,999 (OpenCL) 4,168 (Vulkan) | |
| 3DMark Score | 1,017 (Wild Life Extreme) | |
| Camera Score | 108 (DxOMark) | |
| Speaker Score | 76 (Very Good) | |
| Battery Test Result | 13 hours |
Extra
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Accelerometer, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Virtual Proximity Sensing |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1 m upto 30 min |
| IP Rating | IP68 | IP67 |
| Dust Resistant | Yes | Yes |
| Extra Features | 4 Generations of OS Upgrades and up to 5 Years of Security Updates, Samsung Knox Vault, E-sim |
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) 12 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.4 (Macro) |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Auto-HDR, Panorama | Portrait, Panorama, HDR |
| 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 @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus | 32 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 |
Technical
| OS | Android v10 | Android v14 |
| Custom UI | OneUI 6 | |
| Chipset | Samsung Exynos 2100 | Samsung Exynos 1480 |
| CPU | 2.9 GHz, Octa Core Processor | 2.7 GHz, Octa Core Processor |
| Core Details | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 | 4xCortex-A78@ 2.7 GHz & 4xCortex-A55@2.0 GHz |
| GPU | Mali-G78 MP14 | |
| 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 |
| Video | Yes | MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM |
| 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, Li-Po Battery |
| Fast Charging | Yes, 25W Fast Charging | Yes, 25W Fast Charging |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes, 4.5W | |
| Video Playback Time | 28 hours | |
| Music Playback Time | 79 hours |
Discuss
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