Xiaomi 17 Ultra vs Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)
Quick Comparison
Xiaomi 17 Ultra has better RAM than Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB). In terms of display resolution, Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has better resolution of 3200 x 1440 than Xiaomi 17 Ultra which has resolution of 2608 x 1200. Xiaomi 17 Ultra has more internal memory than Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)
| Name | Xiaomi 17 Ultra | Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) |
| RAM | 16 GB | 12 GB |
|---|---|---|
| Display | 6.9 in | 6.8 in |
| Internal Memory | 512 GB | 128 GB |
| Battery | 6000 mAh | 5000 mAh |
| Camera | 200 MP + 50 MP + 50 MP Triple | 108 MP Quad |
| Price | Rs. 139999 | Rs. 101999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is March 11, 2026. The cost of Xiaomi 17 Ultra is Rs. 139999. 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
Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has screen size of 6.8 inches which falls short to Xiaomi 17 Ultra's 6.9 inch screen. Xiaomi 17 Ultra has Xiaomi HyperRGB OLED display 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 mobiles have same aspect ratio of 20:9.
Memory comparison
Xiaomi 17 Ultra's larger 16 GB RAM is better for playing games and all with respect to Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)'s lower 12 GB RAM. Xiaomi 17 Ultra 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 Ultra's 200 MP + 50 MP + 50 MP Triple Rear Camera in terms of resolution. Xiaomi 17 Ultra 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 Ultra | Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) |
| General | ||
| Model | 25128PNA1G, 2512BPNDAG | Galaxy S21 Ultra 5G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | nano SIM + nano SIM or nano SIM + eSIM, eSIM + eSIM SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | March 11, 2026 | January 14, 2021 |
| In The Box | Xiaomi 17 Ultra / USB Type-C Cable / SIM Eject Tool Protective Case / Quick Start Guide / Warranty Card | |
| Design | ||
| Dimensions | 77.6 x 162.9 x 8.3 mm | 75.6 x 165.1 x 8.9 mm |
| Weight | 218.4 g | 227 g |
| Bezel less | Yes | |
| Qwerty | No | |
| Colors | Black, White, Starlit Green | |
| Display | ||
| Type | Color Xiaomi HyperRGB OLED display Screen (68B) | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes, 300 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 Shield Glass 3.0 | Corning Gorilla Glass Victus |
| Brightness | 3500 nits Multi-scenario Peak Brightness | |
| Features | Eye-care DC Dimming, Original color PRO | Pro HDR | Wet touch technology HDR10+, Dolby Vision, TÜV Rheinland Low Blue Light (Hardware Solution) Certified TÜV Rheinland Flicker Free Certified TÜV Rheinland Circadian Friendly Certified, Color gamut: DCI-P3, Color depth: 12bit | Always-on Display, HDR10+ |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 16 GB | 12 GB |
| RAM Type | LPDDR5X | |
| Storage | 512 GB | 128 GB |
| Storage Type | UFS 4.1 | 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 SA: n1/2/3/5/7/8/12/20/25/26/28/38/40/41/48/66/71 75/77/78/79, 5G NSA: n1/2/3/5/7/8/20/28/38/40/41/66/71/75/77/78/79 | |
| 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/Wi-Fi 6E/Wi-Fi 6 | |
| Bluetooth | Yes, v6.0, SBC/AAC/AptX/AptX HD/AptX Adaptive LDAC/LHDC 5.0/LC3/MIHC | 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 | ||
| Geekbench Score | 2,960 (Single Core) | |
| Extra | ||
| GPS | GPS: L1+L5 | Galileo: E1+E5a | GLONASS: G1 | Beidou QZSS: L1 + L5 | NavIC: L5 | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Gyro, Compass, Barometer | Accelerometer, Gyro, Proximity, Compass, Barometer |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| AI Features | AI Writing, AI Speech Recognition, AI Interpreter, AI Search, AI Dynamic Wallpapers, AI Creativity Assistant, And more., Circle to Search with Google, Google Gemini | |
| Water Resistance | Yes, 6 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP66 + IP68 + IP69 | IP68 |
| Dust Resistant | Yes | Yes |
| Extra Features | Xiaomi 3D Dual-Channel IceLoop system, Xiaomi Offline Communication | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.7 (Leica 23mm main camera) 23mm (wide), 1.0"-type, 1.6µm, dual pixel PDAF, OIS, Light Fusion 1050L image sensor 200 MP ƒ/2.4-3 (Leica 200MP 75-100mm telephoto) f/2.4-3.0, 75-100mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF (30cm - ∞), OIS, 3.2-4.3x continuous optical zoom, zoom ring, Samsung HPE image sensor 50 MP ƒ/2.2 (Leica 14mm ultra-wide camera) 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, dual pixel PDAF, Samsung JN5 image sensor | 108 MP ƒ/1.8 10 MP ƒ/4.9 (Telephoto) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| Camera Sensor | Light Fusion 1050L | |
| OIS | Yes | Yes |
| Auto Focus | Yes, Laser AF | Yes |
| Features | Two Leica Photographic Styles, (Leica Authentic Look, Leica Vibrant Look), Leica Filters | Leica Classic Shutter Sound | Leica Watermark, Xiaomi Profocus (Motion Tracking Focus, Eye Tracking Focus And Motion Capture), Lightning Burst, Digital Zoom Up To 120x, Xiaomi Procut, Hdr, Dynamic Shot, 50mp (Wide/ultra Wide/telephoto), 200mp Mode (Telephoto), Live Cinematography, Super Macro, Supermoon (Auto), Fastshot, Long Exposure, Panorama, Portrait Mode, Documents Mode, Pro Mode, Image Formats Captured: Jpg, Heif, Raw Mode, 8k (7680x4320) Video Recording At 30fps, 4k (3840x2160) Dolby Vision Video Recording At 30fps, 60fps, 120fps, 1080p (1920x1080) Dolby Vision Video Recording At 30fps, 60fps, 720p (1280x720) Video Recording At 30fps, Log Video Recording Up To 4k At 120fps, Academy Color Encoding System, Slow Motion Video Recording Up To 1080p At 1920fps, Shootsteady Video Recording Up To 2.8k At 60fps, Night Video Recording Up To 4k At 24fps, Time-lapse Video Recording Up To 4k At 30fps, Movie Mode, Pro Mode | 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) Ov50m Image Sensor, 1/2.87" Sensor Size, 1.22μm 4-in-1 Binning, F/2.2, 21mm Equivalent Focal Length, 90° Fov 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 |
| Technical | ||
| OS | Android v16 | Android v10 |
| Custom UI | Xiaomi 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 |
| Fabrication Node | 3 nm | |
| GPU | Adreno 840 | Mali-G78 MP14 |
| NPU | Qualcomm AI engine | |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, FLAC, APE, AAC, OGG, WAV, AMR, AWB | Yes |
| Video | MP4, MKV, WEBM, 3GP, TS, Supports HDR display when playing HDR10/HDR10+, Dolby Vision, HDR Vivid video content | Yes |
| FM Radio | No | No |
| Speaker Type | Stereo | |
| Audio Features | Hi-Res & Hi-Res Audio Wireless certification, Dolby Atmos | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 90W HyperCharge | Yes, 25W Fast Charging |
| Wireless Charging | Yes, 50W HyperCharge | Yes, 15W |
| Reverse Charging | Yes, 22.5W | Yes, 4.5W |
| Reverse Wireless Charging | Yes, 10W | |