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Full specifications
Every available group and stored value, aligned by field.
PERFORMANCE4 fields
| Specification | Inspiron 15 3511 (2021) | XBOOK 14 NEO |
|---|---|---|
| Graphics | — | Intel integrated graphics |
| Memory Bandwidth | About 42.7 GB/s (dual-channel DDR4-2666) (speed at which data moves between chip and memory) | DDR4-3200 (2x SODIMM, upgradable) |
| Neural Engine | None (no dedicated NPU) | — |
| Processor | Intel Core i5-1135G7 (Tiger Lake, 15 W) CPU: 4-core / 8-thread, up to 4.2 GHz; Core i3-1115G4 or i7-1165G7 options (balances power and battery efficiency) GPU: Intel Iris Xe / UHD Graphics; optional NVIDIA GeForce MX350 2 GB (handles graphics and creative workloads) | Intel Core i3-1315U, Intel Core i5-1335U, Intel Core 3 304, Intel Core 5 320 |
LAUNCH DATE3 fields
| Specification | Inspiron 15 3511 (2021) | XBOOK 14 NEO |
|---|---|---|
| Announced | Announcement date not recorded | Announcement date not recorded |
| Released | April 2021 | 2026-09-23 |
| Status | Discontinued (2022) | Available |
DISPLAY6 fields
| Specification | Inspiron 15 3511 (2021) | XBOOK 14 NEO |
|---|---|---|
| Brightness | Up to 220 nits typical (250 nits FHD) | 300 nits |
| Color | Standard 45% NTSC color | 45% NTSC |
| Refresh Rate | Standard 60 Hz (screen refresh speed) | 60Hz |
| Resolution | 1366 × 768 or 1920 × 1080 pixels (total screen pixel count) | 1920 x 1200 pixels, 16:10 |
| Size | 15.6-inch (Diagonal) | 14 inches |
| Type | Anti-glare LED display; TN (HD) or WVA (FHD) options (everyday panel) | IPS |
ADDITIONAL INFORMATION5 fields
| Specification | Inspiron 15 3511 (2021) | XBOOK 14 NEO |
|---|---|---|
| Compatibility | — | Indonesia-market launch |
| Cooling | — | IceStorm 4.0 (1 fan, 2 heat pipes) |
| Launch Price | — | IDR 7,999,000 (Core i3-1315U, 8GB+256GB) — Indonesia; IDR 8,999,000 (Core i3-1315U, 8GB+512GB) — Indonesia; IDR 9,299,000 (Core 3 304, 8GB+512GB) — Indonesia; IDR 10,490,000 (Core i5-1335U, 8GB+512GB) — Indonesia; IDR 10,599,000 (Core 5 320, 8GB+512GB) — Indonesia |
| Launch Price (USD) | $499.00 (reference only — see Price in Nigeria above for the actual retail price) | — |
| Price in Nigeria | ₦699,000 (Stored estimate) | ₦679,900 (Stored estimate) |
OVERVIEW5 fields
| Specification | Inspiron 15 3511 (2021) | XBOOK 14 NEO |
|---|---|---|
| Chip | Intel Core i5-1135G7 (quad-core, up to 4.2 GHz) with Intel Iris Xe Graphics; Core i3-1115G4 or i7-1165G7 with NVIDIA GeForce MX350 option (handles all processing and graphics tasks) | Intel Core i3-1315U, Intel Core i5-1335U, Intel Core 3 304, Intel Core 5 320; Graphics: Intel integrated graphics |
| Manufacturer | Dell | Infinix |
| Model | Dell Inspiron 15 3511 (2021) | Infinix XBOOK 14 NEO |
| Operating System | Windows 10 Home; Windows 11 on later units | Windows 11 Home |
| Release Year | 2021 | 2026 |
BODY AND BUILD4 fields
| Specification | Inspiron 15 3511 (2021) | XBOOK 14 NEO |
|---|---|---|
| Colors | Carbon Black or Platinum Silver (official factory color options) | Twilight Purple, Sonic Yellow, Shadow Blue, Volcano Grey |
| Dimensions | — | 314.2 x 219.7 x 17.4 mm |
| Material | Polycarbonate chassis (durable everyday build) | US military-grade durability certified; 180-degree hinge |
| Weight | 1.85 kg (varies by configuration) | 1.2 kg |
MEMORY AND STORAGE3 fields
| Specification | Inspiron 15 3511 (2021) | XBOOK 14 NEO |
|---|---|---|
| RAM | Standard: 8 GB DDR4 2666 MHz (two SO-DIMM slots, upgradeable to 16 GB) (higher multitasking capability) | 8GB DDR4, upgradable to 64GB (2x SODIMM) |
| Storage | Options: 256 GB / 512 GB / 1 TB SSD, or 1 TB HDD (varies by model) (internal file and app storage) | 256GB / 512GB SSD, expandable up to 2TB |
| Storage Type | SSD (PCIe NVMe M.2) (fast solid-state storage technology) | M.2 2280 PCIe NVMe SSD, plus extra M.2 SATA slot |
PORTS AND CONNECTIVITY1 field
| Specification | Inspiron 15 3511 (2021) | XBOOK 14 NEO |
|---|---|---|
| Ports and connectivity | 1 × USB 2.0 + 2 × USB 3.2 (USB-A), HDMI 1.4, SD card reader, Gigabit Ethernet, 3.5 mm headset jack, Wi-Fi 5 (802.11ac), Bluetooth 4.1. | 1x USB-C (full-function), 3x USB-A; Video: HDMI 1.4; Audio: 3.5mm jack; Wi-Fi: Wi-Fi 6; Bluetooth: 5.2 |
BATTERY AND CHARGING3 fields
| Specification | Inspiron 15 3511 (2021) | XBOOK 14 NEO |
|---|---|---|
| Battery Life | 41 Wh battery; Dell does not publish a single figure — typical mixed use around 5–6 hours (manufacturer endurance figure) | Up to 13 hours (Infinix claim) |
| Battery Type | Built-in lithium-ion polymer battery (non-removable internal battery) | 55 Wh |
| Charging | 45 W or 65 W barrel charger (supported charging methods) | 65W USB-C PD |
AUDIO AND WEBCAM3 fields
| Specification | Inspiron 15 3511 (2021) | XBOOK 14 NEO |
|---|---|---|
| Microphones | Dual-array microphones (improves voice clarity and noise reduction) | Dual microphones |
| Speakers | Stereo speakers with Waves MaxxAudio Pro (enhanced audio output for media) | Dual 1.5W stereo speakers, DTS Audio |
| Webcam | 720p HD webcam (standard video-call quality) | HD 720p with privacy shutter |
SOFTWARE AND EXTRAS4 fields
| Specification | Inspiron 15 3511 (2021) | XBOOK 14 NEO |
|---|---|---|
| Keyboard | Non-backlit keyboard, optional backlit (standard keys) | Backlit |
| Operating System | Windows (latest supported version) (preinstalled Microsoft software platform) | Windows 11 Home |
| Security | Optional fingerprint reader in the power button, TPM 2.0 (biometric authentication method) | — |
| Trackpad | Precision glass touchpad (navigation surface) | — |