Samsung Galaxy S21 Ultra has better RAM than Realme P4 Power 5G (8GB RAM + 256GB). In terms of display resolution, Samsung Galaxy S21 Ultra has better resolution of 3200 x 1440 than Realme P4 Power 5G (8GB RAM + 256GB) which has resolution of 2800 x 1280. Both have the same amount of internal memory.
| Name | Realme P4 Power 5G (8GB RAM + 256GB) | Samsung Galaxy S21 Ultra |
| RAM | 8 GB | 12 GB |
|---|---|---|
| Display | 6.8 in | 6.8 in |
| Internal Memory | 256 GB | 256 GB |
| Battery | 10001 mAh | 5000 mAh |
| Camera | 50 MP + 8 MP Dual | 108 MP Quad |
| Price | Rs. 29999 | Rs. 47990 |
The launch Date of the first phone is January 29, 2026. The cost of Realme P4 Power 5G (8GB RAM + 256GB) is Rs. 29999. The launch Date of the second phone is January 14, 2021. The cost of Samsung Galaxy S21 Ultra is Rs. 47990.
Realme P4 Power 5G (8GB RAM + 256GB) has AMOLED Screen type where as Samsung Galaxy S21 Ultra has Screen type. Samsung's phone has display density of 515 PPI & Realme's phone has only 453 PPI display density. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 93% than Samsung's phone ~ 89.8%. Both mobiles have same aspect ratio of 20:9.
Samsung Galaxy S21 Ultra's larger 12 GB RAM is better for playing games and all with respect to Realme P4 Power 5G (8GB RAM + 256GB)'s lower 8 GB RAM. and both have same Internal Memory of 256 GB.
Samsung Galaxy S21 Ultra's 108 MP Quad Rear Camera outshines Realme P4 Power 5G (8GB RAM + 256GB)'s 50 MP + 8 MP Dual Rear Camera in terms of resolution. Samsung Galaxy S21 Ultra will be better choice if you're looking to click lot of selfies as it has better 40 MP Front Camera in comparison to Realme P4 Power 5G (8GB RAM + 256GB)'s 16 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 16 and the second one on 10 version.
| Name | Realme P4 Power 5G (8GB RAM + 256GB) | Samsung Galaxy S21 Ultra |
| General | ||
| Model | RMX5116 | 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 |
| OS Updates | 3 years | |
| Security Updates | 4 years | |
| Release Date | January 29, 2026 | January 14, 2021 |
| In The Box | Phone x 1, Charger x 1, USB Data Cable x 1, SIM Ejector Tool x 1, Protective Case x 1, Quick Guide x 1 | |
| Design | ||
| Dimensions | 76.15 x 162.26 x 9.08 mm | 75.6 x 165.1 x 8.9 mm |
| Weight | 219 g | 227 g |
| Bezel less | No | |
| Colors | TransSilver, TransOrange, TransBlue | |
| Display | ||
| Type | Color AMOLED Screen (1.07B) | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.8 inches, 1280 x 2800 pixels, 144 Hz | 6.8 inches, 1440 x 3200 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 453 PPI | ~ 515 PPI |
| Screen to Body Ratio | ~ 93% | ~ 89.8% |
| Glass Type | Corning Gorilla Glass 7i | Corning Gorilla Glass Victus |
| Brightness | Normal: 600nit, HBM: 1800nit, APL:6500nit; | |
| HDR Support | Yes, HDR10+ | |
| Features | Vivid mode 96% DCI-P3, Natural mode 95% DCI-P3, Cinema mode 95% DCI-P3, Colorful mode105% DCI-P3 | Always-on Display, HDR10+, Curved Display |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | Yes |
| Memory | ||
| RAM | 8 GB | 12 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 12 GB Extra Virtual RAM | |
| Storage | 256 GB | 256 GB |
| Storage Type | UFS 3.1 | 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 NR: n1/n3/n5/n8/n28B/n40/n41/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 5 (802.11ac) Supported 802.11a/b/g/n Supported Wi-Fi Display Supported WLAN Tethering Supported | |
| Bluetooth | Yes, v5.4, SBC, AAC, LDAC, aptX, aptX HD, LHDC 5.0 | Yes, v5.2, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C v3.2 |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Performance | ||
| AnTuTu Score | 995,010 (Total) (v11) 348,649 (CPU) 151,405 (GPU) 214,760 (Memory) 280,196 (UX) | |
| AnTuTu Storage Score | 102,704 1966 MB/s (Read), 1893 MB/s (Write) | |
| Geekbench Score | 2,918 (Multi Core) (v6) 1,051 (Single Core) 3,082 (OpenCL) 3,045 (Vulkan) | |
| 3DMark Score | 1,030 (Wild Life Extreme) (6.17 FPS) | |
| Extra | ||
| GPS | Beidou, GPS, GLONASS, Galileo, QZSS | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Proximity sensor, Ambient light sensor, Color temperature sensor, E-compass, Accelerometer, Gyroscope, In-display optical fingerprint sensor, Infrared remote control | Accelerometer, Gyro, Proximity, Compass, Barometer |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | |
| AI Features | AI Hyper Clarity, AI Hyper Motion, AI Always-On HDR, Google Gemini Live | |
| Water Resistance | Yes | Yes, 1.5 m upto 30 min |
| IP Rating | IP69, IP68, and IP66 | IP68 |
| Dust Resistant | Yes | Yes |
| Extra Features | HyperVision Ai Chip, Bypass Charging | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) FOV 79°; 5P lens; AF Supported; Supports 2-axis OIS 8 MP ƒ/2.2 (Ultra Wide) FOV 112°; 5P lens | 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 | IMX882 | |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Photo, Video, Portrait, Night, Panorama, SLO-MO, Long Exposure, Dual-view video, TIME-LAPSE, HI-RES, Google Lens, Underwater, PRO, Hypertext, Scan, TILT-SHIFT, Pro Video,FOOD,STREET,AI LANDSCAPE | Auto-HDR, Panorama |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 60 fps FHD, 720p | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 16 MP ƒ/2.4 (Wide Angle) Punch Hole | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus |
| Front Video Recording | 1080p @ 30 fps FHD | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v16 | Android v10 |
| Custom UI | realme UI 7 | |
| Chipset | Mediatek Dimensity 7400 Ultra | Samsung Exynos 2100 |
| CPU | 2.6 GHz, Octa Core Processor | 2.9 GHz, Octa Core Processor |
| Core Details | 4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 |
| Fabrication Node | 4nm | |
| GPU | Mali-G615 MC2 | Mali-G78 MP14 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | FLAC, WMA, IMY, AAC, OGG, M4A, MID, MP3, AMR, WAV, APE | Yes |
| Video | AVI, 3GP, ASF, FLV, MKV, MOV, MP4, WMV | Yes |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Audio Jack Type | USB Type-C | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 10001 mAh | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 80W SUPERVOOC Charge | Yes, 25W Fast Charging |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes, 27W | Yes, 4.5W |
| Bypass Charging | Yes | |