Samsung Galaxy S21 Ultra vs Samsung Galaxy S24 Ultra (512GB)
Here you can compare Samsung Galaxy S21 Ultra and Samsung Galaxy S24 Ultra (512GB). Comparing Samsung Galaxy S21 Ultra vs Samsung Galaxy S24 Ultra (512GB) on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Samsung Galaxy S21 Ultra stands against Samsung Galaxy S24 Ultra (512GB) and which one should you buy The current lowest price found for Samsung Galaxy S21 Ultra is $399 and for Samsung Galaxy S24 Ultra (512GB) is $1,149.79. The details of both of these products were last updated on Mar 21, 2026.
| Specification | Samsung Galaxy S21 Ultra | Samsung Galaxy S24 Ultra (512GB) |
|---|---|---|
| Display | 6.8 inches, 1440 x 3200 pixels, 120 Hz | 6.8 inches, 1440 x 3120 pixels, 120 Hz |
| 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) | 200 MP ƒ/1.7 (Wide Angle) 24mm, 1/1.3", 0.6µm, multi-directional PDAF, OIS 50 MP ƒ/3.4 (Telephoto) 111mm, 1/2.52", 0.7µm, PDAF, OIS, 5x optical zoom 10 MP ƒ/2.4 (Telephoto) 67mm, 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom 12 MP ƒ/2.2 (Ultra Wide) 13mm, 120˚, 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video |
| RAM | 12 GB | 12 GB |
| CPU | 2.9 GHz, Octa Core Processor | 3.3 GHz, Octa Core Processor |
| OS | Android v10 | Android |
| Price | $399 | $1,149.79 |
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Overview
| Specs Score | 94 / 100 | 97 / 100 Better Specs |
| Display Resolution | 1440 x 3200 pixels Better Resolution | 1440 x 3120 pixels |
| Storage | 256 GB | 512 GB More Storage |
| CPU Clock Speed | 2.9 GHz | 3.3 GHz Faster Clock Speed |
| Rear Camera | 108 MP Quad | 200 MP Quad Better Camera Resolution |
| Front Camera | 40 MP Better Front Camera Resolution | 12 MP |
General
| Model | Galaxy S21 Ultra 5G | Galaxy S24 Ultra |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | SIM 1 + eSIM / Dual eSIM |
| Device Type | Smartphone | Smartphone |
| Release Date | January 14, 2021 | 2024, January 24 |
| In The Box | Samsung Galaxy S24 Ultra, USB-C Cable, SIM Tray Ejector, Quick Start Guide, Stylus |
Design
| Dimensions | 75.6 x 165.1 x 8.9 mm | 79 x 162.3 x 8.6 mm |
| Weight | 227 g | 233 g |
| Colors | Titanium Black, Titanium Gray, Titanium Violet, Titanium Yellow, Titanium Blue, Titanium Green, Titanium Orange |
Display
| Type | Color Dynamic AMOLED 2X (16M Colors) | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.8 inches, 1440 x 3200 pixels, 120 Hz | 6.8 inches, 1440 x 3120 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 19.5:9 |
| PPI | ~ 515 PPI | ~ 505 PPI |
| Screen to Body Ratio | ~ 89.8% | ~ 89.1% |
| Glass Type | Corning Gorilla Glass Victus | |
| Features | Always-on Display, HDR10+, Curved Display | Peak Brightness: 2600 nits |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 512 GB |
| Storage Type | UFS 3.1 |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | 5G FDD Sub6: N1(2100),N7(2600),N25(1900),N28(700),N66(AWS-3),N71(600), 5G TDD Sub6: N257(28GHz),N258(26GHz),N260(39GHz),N261(28GHz), 5G TDD mmWave: N41(2500),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/be 2.4GHz+5GHz+6GHz, EHT320, MIMO, 4096-QAM | |
| Bluetooth | Yes, v5.2, A2DP, LE | Yes, v5.3 |
| USB | Yes, USB-C v3.2 | Yes, USB-C USB 3.2 Gen 1 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
Extra
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | GPS, Glonass, Beidou, Galileo |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Accelerometer, Barometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Proximity Sensor |
| 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 | PC Sync. Smart Switch (PC version), Stereo Support, S Pen Support, Touch Bar |
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) | 200 MP ƒ/1.7 (Wide Angle) 24mm, 1/1.3", 0.6µm, multi-directional PDAF, OIS 50 MP ƒ/3.4 (Telephoto) 111mm, 1/2.52", 0.7µm, PDAF, OIS, 5x optical zoom 10 MP ƒ/2.4 (Telephoto) 67mm, 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom 12 MP ƒ/2.2 (Ultra Wide) 13mm, 120˚, 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Auto-HDR, Panorama | Optical Zoom 3x and 5x, Optical quality Zoom 2x and 10x (Enabled by Adaptive Pixel sensor), Digital Zoom up to 100x |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD | 8K @ 30 fps UHD |
| 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, Autofocus |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD |
Technical
| OS | Android v10 | Android |
| Chipset | Samsung Exynos 2100 | Qualcomm Snapdragon 8 Gen3 |
| CPU | 2.9 GHz, Octa Core Processor | 3.3 GHz, Octa Core Processor |
| Core Details | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 | 1xCortex-X4@3.3 GHz & 5xCortex-A720@3.2 GHz & 2x Cortex-A520@2.3 GHz |
| GPU | Mali-G78 MP14 | Adreno GPU |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | Yes | |
| Video | Yes | MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM |
| FM Radio | No | No |
| 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 |
| Wireless Charging | Yes, 15W | Yes |
| Reverse Charging | Yes, 4.5W | Yes |
| Reverse Wireless Charging | Yes | |
| Video Playback Time | 30 hours | |
| Music Playback Time | 95 hours |
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