iQOO 15 Ultra vs Vivo X300 FE (12GB RAM + 512GB)
Quick Comparison
iQOO 15 Ultra has better RAM than Vivo X300 FE (12GB RAM + 512GB). In terms of display resolution, iQOO 15 Ultra has better resolution of 3168 x 1440 than Vivo X300 FE (12GB RAM + 512GB) which has resolution of 2640 x 1216. Vivo X300 FE (12GB RAM + 512GB) has more internal memory than iQOO 15 Ultra
| Name | iQOO 15 Ultra | Vivo X300 FE (12GB RAM + 512GB) |
| RAM | 16 GB | 12 GB |
|---|---|---|
| Display | 6.85 in | 6.31 in |
| Internal Memory | 256 GB | 512 GB |
| Battery | 7400 mAh | 6500 mAh |
| Camera | 50 MP + 50 MP + 50 MP Triple | 50 MP + 50 MP + 8 MP Triple |
| Price | Rs. 99990 | Rs. 99999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is February 04, 2026. The Expected cost of iQOO 15 Ultra is Rs. 99990. The launch Date of the second phone is May 06, 2026. The cost of Vivo X300 FE (12GB RAM + 512GB) is Rs. 99999.
Display comparison
Vivo X300 FE (12GB RAM + 512GB) has screen size of 6.31 inches which falls short to iQOO 15 Ultra's 6.85 inch screen. iQOO 15 Ultra has AMOLED Screen type where as Vivo X300 FE (12GB RAM + 512GB) has LTPO AMOLED Screen type. iQOO's phone has display density of 508 PPI & Vivo's phone has only 461 PPI display density. In terms of screen to body ratio, iQOO's phone has better screen to body ratio of ~ 90.7% than Vivo's phone ~ 90.2%. iQOO 15 Ultra has 19.8:9 aspect ratio where as Vivo X300 FE (12GB RAM + 512GB) has 20:9 aspect ratio.
Memory comparison
iQOO 15 Ultra's larger 16 GB RAM is better for playing games and all with respect to Vivo X300 FE (12GB RAM + 512GB)'s lower 12 GB RAM. Vivo X300 FE (12GB RAM + 512GB) has more Internal Memory (512 GB) than iQOO 15 Ultra (256 GB).
Camera comparison
They both have the same 50 MP + 50 MP + 50 MP Triple Rear Camera. Vivo X300 FE (12GB RAM + 512GB) will be better choice if you're looking to click lot of selfies as it has better 50 MP Front Camera in comparison to iQOO 15 Ultra's 32 MP Front Camera.
Technical comparison
Both the phones run on Android Operating System Version 16.
Related Comparisons
Full Comparison
| Name | iQOO 15 Ultra | Vivo X300 FE (12GB RAM + 512GB) |
| General | ||
| Country of Origin | India | |
| Model | V2546A | V2537 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| eSIM Support | Yes | |
| SAR | 1.06 W/kg (Head) 0.77 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| OS Updates | 5 years | |
| Security Updates | 7 years | |
| Release Date | February 04, 2026 | May 06, 2026 |
| In The Box | X300 FE, Quick Start Guide, Eject Tool, Phone Case, Protective Film (applied), Warranty Card, USB Power Adapter | |
| Design | ||
| Dimensions | 76.8 x 163.7 x 8.7 mm | 71.76 x 150.83 x 7.99 mm |
| Weight | 227 g | 191 g |
| Bezel less | Yes | No |
| Colors | Black, Silver | Urban Olive, Noir Black, Lilac Purple |
| Display | ||
| Type | Color AMOLED Screen (1B Colors) | Color LTPO AMOLED Screen (1.07 billion Colors) |
| Touch | Yes | Yes |
| Size | 6.85 inches, 1440 x 3168 pixels, 144 Hz | 6.31 inches, 1216 x 2640 pixels, 120 Hz |
| Aspect Ratio | 19.8:9 | 20:9 |
| PPI | ~ 508 PPI | ~ 461 PPI |
| Screen to Body Ratio | ~ 90.7% | ~ 90.2% |
| Glass Type | Mohs level 4 | |
| Brightness | 1000 nits (typ), 2600 nits (HBM), 8000 nits (peak) | 5000 nits (peak) |
| HDR Support | Yes, HDR10+, Dolby Vision | Yes, HDR10+ |
| Adaptive Refresh Rate | Yes, LTPO | |
| Display Dimming | 2160Hz PWM | |
| Color Gamut | P3 Wide Color Gamut | |
| Features | PWM, Dolby Vision, HDR10+, HDR Vivid | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | No | |
| Memory | ||
| RAM | 16 GB | 12 GB |
| RAM Type | LPDDR5X Ultra | |
| Expandable RAM | Upto 12 GB Extra Virtual RAM | Upto 12 GB Extra Virtual RAM |
| Storage | 256 GB | 512 GB |
| Storage Type | UFS 4.1 | UFS 4.1 |
| Card Slot | No | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n2/n3/n5/n7/n8/n18/n20/n25(1850–1910 MHz)/n26/n28/n38/n40/n41/n48/n66/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.4, A2DP, LE, aptX HD | Yes, v6.0 |
| USB | Yes, USB-C v3.2 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging, USB Storage |
| IR Blaster | Yes | Yes |
| Performance | ||
| AnTuTu Score | 4,274,239 (Total) (v11) | 2,659,452 (Total) (v11) 825,845 (CPU) 869,516 (GPU) 403,896 (Memory) 560,195 (UX) |
| AnTuTu Storage Score | 175,289 Sequential Read: 4313 MB/s; Sequential Write: 3235 MB/s | |
| Geekbench Score | 8,425 (Multi Core) (v6) 2,692 (Single Core) 15,696 (OpenCL) 20,071 (Vulkan) | |
| 3DMark Score | 3,180 (Wild Life Extreme) (19.05 FPS) | |
| Extra | ||
| GPS | Yes, with GPS; GLONASS; GALILEO; BeiDou; NavIC; GNSS, QZSS | GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC, GNSS feature - AGPS, cellular positioning, Wi-Fi positioning |
| Fingerprint Sensor | Yes, In Display | Yes, In Display Ultrasonic |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Ambient Light Sensor, Proximity Sensor, E-compass, Hall Sensor; Infrared Blaster; Flicker Sensor; X-Axis Linear Motor |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| AI Features | AI Creative Camera, AI Search, AI Caption, Gemini Live | |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP68/IP69 | IP68; IP69 |
| Dust Resistant | Yes | Yes |
| Extra Features | Supported 5G + 5G Dual SIM Dual Active, Bypass Charging, vivo Office Kit, Shake & Share, Text Vibe, Private Space, Precision Metal Frame | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.9 (Wide Angle) 23mm (wide), 1/1.56", 1.0µm, PDAF, OIS 50 MP ƒ/2.7 (Telephoto) 85mm (periscope telephoto), 1/1.95", 0.8µm, PDAF, OIS, 3x optical zoom 50 MP ƒ/2.1 (Ultra Wide) 15mm, 107˚ (ultrawide), 1/2.76", 0.64µm, AF | 50 MP ƒ/1.6 (Wide Angle) 23mm (wide), 1/1.56", 1.0µm, PDAF, OIS 50 MP ƒ/2.7 (ZEISS Telephoto Camera) 73mm (periscope telephoto), 1/1.95", 0.8µm, PDAF, OIS, 3x optical zoom 8 MP ƒ/2.2 (Ultra Wide) 15mm, 115˚ (ultrawide), 1/4.0", 1.12µm |
| Camera Sensor | 50MP Telephoto (OIS) - IMX882 Sensor + 50MP AF (OIS) - IMX921 Sensor + 8 MP FF Wide angle - OV08F10 Sensor | |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | HDR, panorama | Zeiss optics, Snapshot, Landscape & Night, Portrait, Photo, Video, Portrait Video, High Resolution, Pano, Ultra HD Document, Slo-mo, Time-lapse, Stage, Pro, Food, Street Photography, 100x Telephoto Zoom |
| Video Recording | 8K @ 30 fps UHD, 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 4K @ 60 fps UHD, 8K @ 30 fps UHD, 1080p @ 60 fps FHD |
| Flash | Yes, LED | Yes, Dual Rear Flash with Single Color Temperature |
| Front Camera | 32 MP ƒ/2.2 (Wide Angle) Punch Hole | 50 MP ƒ/2 (Wide Angle) Punch Hole, Autofocus, Screen Flash |
| Front Video Recording | 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 4K, 1080p |
| Front Camera Features | HDR | Zeiss optics, HDR |
| Technical | ||
| OS | Android v16 | Android v16 |
| Custom UI | Funtouch OS 17 | OriginOS 6 |
| Chipset | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Gen5 |
| CPU | 4.6 GHz, Octa Core Processor | 3.8 GHz, Octa Core Processor |
| Core Details | 2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M | 2 × 3.80 GHz + 6 × 3.32 GHz |
| GPU | Adreno 840 | Adreno 829 |
| NPU | Qualcomm Hexagon NPU | |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | AAC, OGG, FLAC, WMA, WAV, APE, MP3, MP1 | AAC, WAV, MP3, MIDI, VORBIS, APE, FLAC |
| Video | MP4, 3GP, AVI | MP4; 3GP; AVI; FLV; MKV; WEBM; TS; ASF |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7400 mAh, Si/C | 6500 mAh, Li-ion Battery |
| Fast Charging | Yes, 100W Fast Charging | Yes, 90W |
| Wireless Charging | Yes, 40W | Yes, 40W |
| Reverse Charging | Yes | Yes, 5W |
| Bypass Charging | Yes | |