Xiaomi 17 Pro Max vs Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)
Quick Comparison
Both Xiaomi 17 Pro Max and Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) comes with same RAM. In terms of display resolution, Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) 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 5G (12GB RAM + 128GB)
| Name | Xiaomi 17 Pro Max | Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) |
| RAM | 12 GB | 12 GB |
|---|---|---|
| Display | 6.9 in | 6.8 in |
| Internal Memory | 512 GB | 128 GB |
| Battery | 7500 mAh | 5000 mAh |
| Camera | 50 MP + 50 MP + 50 MP Triple | 108 MP Quad |
| Price | Rs. 105990 | Rs. 101999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is September 25, 2025. The Expected cost of Xiaomi 17 Pro Max is Rs. 105990. The launch Date of the second phone is January 14, 2021. The Expected cost of Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) is Rs. 101999.
Display comparison
Xiaomi 17 Pro Max has larger screen size of 6.9 inches in comparison to Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)'s 6.8 inch screen. Xiaomi 17 Pro Max has LTPO AMOLED Screen type where as Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has 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 phones come with 12 GB RAM Xiaomi 17 Pro Max has more Internal Memory (512 GB) than Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) (128 GB).
Camera comparison
Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)'s 108 MP Quad Rear Camera outshines 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 5G (12GB RAM + 128GB)'s 40 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 16 and the second one on 10 version.
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Full Comparison
| Name | Xiaomi 17 Pro Max | Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) |
| 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 | September 25, 2025 | January 14, 2021 |
| Design | ||
| Dimensions | 77.6 x 162.9 x 8 mm | 75.6 x 165.1 x 8.9 mm |
| Weight | 219 g | 227 g |
| Colors | Black, White, Purple, Green | |
| Display | ||
| Type | Color LTPO AMOLED Screen (68 B) | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.9 inches, 1200 x 2608 pixels, 120 Hz | 6.8 inches, 1440 x 3200 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 416 PPI | ~ 515 PPI |
| Screen to Body Ratio | ~ 92.3% | ~ 89.8% |
| Glass Type | Xiaomi Dragon Crystal Glass 3 | Corning Gorilla Glass Victus |
| Brightness | 3500 nits (peak) | |
| HDR Support | Yes, HDR10+, Dolby Vision | Yes, HDR10+ |
| Adaptive Refresh Rate | Yes, LTPO | |
| Features | 2160Hz PWM, 120Hz, Dolby Vision, HDR Vivid, HDR10+ | Always-on Display, HDR10+ |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Dual Display | 2.9 inches, LTPO AMOLED, 20Hz, Dolby Vision, HDR Vivid, HDR10+, 3500 nits (peak) | |
| Memory | ||
| RAM | 12 GB | 12 GB |
| Storage | 512 GB | 128 GB |
| Storage Type | UFS 4.1 | UFS 3.1 |
| 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, v5.4, A2DP, LE, aptX HD | Yes, v5.2, A2DP, LE |
| USB | Yes, USB-C v3.2 | Yes, USB-C v3.2 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Performance | ||
| Camera Score | 159 (DxOMark) | |
| Extra | ||
| GPS | with GPS, Galileo, GLONASS, Beidou, NAVIC | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Gyro, Compass, Bbarometer | Accelerometer, Gyro, Proximity, Compass, Barometer |
| 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 | 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 | 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 | Laser AF, Color Spectrum Sensor, Leica Lens, Dual-tone , HDR, Panorama | Auto-HDR, Panorama |
| Video Recording | 8K @ 30 fps UHD, 1080p @ 60 fps FHD, 4K @ 60 fps UHD | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 50 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus, Screen Flash | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus |
| Front Video Recording | 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD |
| Front Camera Features | HDR, panorama | Dual video call, Auto-HDR |
| Technical | ||
| OS | Android v16 | Android v10 |
| Custom UI | HyperOS 3 | |
| Chipset | Qualcomm Snapdragon 8 Elite Gen 5 | Samsung Exynos 2100 |
| CPU | 4.6 GHz, Octa Core Processor | 2.9 GHz, Octa Core Processor |
| Core Details | 2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 |
| GPU | Adreno | Mali-G78 MP14 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB | Yes |
| Video | MP4, MKV, AVI, WMV, WEBM, 3GP, ASF playback | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7500 mAh, Li-Po Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 100W Fast Charging | Yes, 25W Fast Charging |
| Wireless Charging | Yes, 50W | Yes, 15W |
| Reverse Charging | Yes | Yes, 4.5W |
| Reverse Wireless Charging | Yes, 22.5W | |