Samsung Galaxy S21 Ultra vs Xiaomi 17 Pro Max
Quick Comparison
Both Samsung Galaxy S21 Ultra and Xiaomi 17 Pro Max comes with same RAM. In terms of display resolution, Samsung Galaxy S21 Ultra has better resolution of 3200 x 1440 than Xiaomi 17 Pro Max which has resolution of 2608 x 1200. Xiaomi 17 Pro Max has more internal memory than Samsung Galaxy S21 Ultra
| Name | Samsung Galaxy S21 Ultra | Xiaomi 17 Pro Max |
| RAM | 12 GB | 12 GB |
|---|---|---|
| Display | 6.8 in | 6.9 in |
| Internal Memory | 256 GB | 512 GB |
| Battery | 5000 mAh | 7500 mAh |
| Camera | 108 MP Quad | 50 MP + 50 MP + 50 MP Triple |
| Price | Rs. 48990 | Rs. 74990 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is January 14, 2021. The cost of Samsung Galaxy S21 Ultra is Rs. 48990. The launch Date of the second phone is September 25, 2025. The Expected cost of Xiaomi 17 Pro Max is Rs. 74990.
Display comparison
Xiaomi 17 Pro Max has larger screen size of 6.9 inches in comparison to Samsung Galaxy S21 Ultra's 6.8 inch screen. Samsung Galaxy S21 Ultra has Screen type where as Xiaomi 17 Pro Max has LTPO AMOLED Screen type. Samsung's phone has display density of 515 PPI & Xiaomi's phone has only 416 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 92.3% than Samsung's phone ~ 89.8%. Both phones have same aspect ratio of 20:9.
Memory comparison
Both mobiles come with 12 GB RAM Xiaomi 17 Pro Max has more Internal Memory (512 GB) than Samsung Galaxy S21 Ultra (256 GB).
Camera comparison
Samsung Galaxy S21 Ultra's 108 MP Quad Rear Camera outclasses Xiaomi 17 Pro Max's 50 MP + 50 MP + 50 MP Triple Rear Camera in terms of resolution. Xiaomi 17 Pro Max will be better choice if you're looking to click lot of selfies as it has better 50 MP Front Camera in comparison to Samsung Galaxy S21 Ultra's 40 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 10 and the second one on 16 version.
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Full Comparison
| Name | Samsung Galaxy S21 Ultra | Xiaomi 17 Pro Max |
| General | ||
| Model | Galaxy S21 Ultra 5G | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | January 14, 2021 | September 25, 2025 |
| Design | ||
| Dimensions | 75.6 x 165.1 x 8.9 mm | 77.6 x 162.9 x 8 mm |
| Weight | 227 g | 219 g |
| Colors | Black, White, Purple, Green | |
| Display | ||
| Type | Color Dynamic AMOLED 2X (16M Colors) | Color LTPO AMOLED Screen (68 B) |
| Touch | Yes | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.8 inches, 1440 x 3200 pixels, 120 Hz | 6.9 inches, 1200 x 2608 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 515 PPI | ~ 416 PPI |
| Screen to Body Ratio | ~ 89.8% | ~ 92.3% |
| Glass Type | Corning Gorilla Glass Victus | Xiaomi Dragon Crystal Glass 3 |
| Brightness | 3500 nits (peak) | |
| Features | Always-on Display, HDR10+, Curved Display | 2160Hz PWM, 120Hz, Dolby Vision, HDR Vivid, HDR10+ |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | |
| Dual Display | Yes, LTPO AMOLED, 2.9 inches, 20Hz, Dolby Vision, HDR Vivid, HDR10+, 3500 nits (peak) | |
| Memory | ||
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 512 GB |
| Storage Type | UFS 3.1 | UFS 4.1 |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | SA: n1/2/3/5/7/8/20/28/38/40/41/48/66*/77/78/79, NSA: n1/3/5/7/8/20/28/38/40/41/66*/77/78/79 | |
| 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 | |
| Bluetooth | Yes, v5.2, A2DP, LE | Yes, v5.4, A2DP, LE, aptX HD |
| USB | Yes, USB-C v3.2 | Yes, USB-C v3.2 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | with GPS, Galileo, GLONASS, Beidou, NAVIC |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Accelerometer, Proximity, Gyro, Compass, Bbarometer |
| 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 |
| 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/1.7 (Wide Angle) 23mm (wide), 1/1.28", 1.22µm, dual pixel PDAF, OIS 50 MP ƒ/2.6 (Telephoto) 115mm (periscope telephoto), 1/2.0", PDAF (30cm - ∞), OIS, 5x optical zoom 50 MP ƒ/2.4 (Ultra Wide) 17mm, 102˚ (ultrawide), 1/2.76", 0.64µm |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Auto-HDR, Panorama | Laser AF, Color Spectrum Sensor, Leica Lens, Dual-tone , HDR, Panorama |
| 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, 1080p @ 60 fps FHD, 4K @ 60 fps UHD |
| Flash | Yes, LED | Yes, Dual LED |
| Front Camera | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus | 50 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus, Screen Flash |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD | 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Technical | ||
| OS | Android v10 | Android v16 |
| Custom UI | HyperOS 3 | |
| Chipset | Samsung Exynos 2100 | Qualcomm Snapdragon 8 Elite Gen 5 |
| CPU | 2.9 GHz, Octa Core Processor | 4.6 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 | Adreno |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB |
| Video | Yes | MP4, MKV, AVI, WMV, WEBM, 3GP, ASF playback |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 7500 mAh, Li-Po Battery |
| Fast Charging | Yes, 25W Fast Charging | Yes, 100W Fast Charging |
| Wireless Charging | Yes, 15W | Yes, 50W |
| Reverse Charging | Yes, 4.5W | Yes |
| Reverse Wireless Charging | Yes, 22.5W | |