Device comparison
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Full specifications
Every available group and stored value, aligned by field.
PERFORMANCE3 fields
| Specification | Inspiron 15 3520 (2022) | Dell 15 (2025) |
|---|---|---|
| Memory Bandwidth | About 42.7 GB/s (dual-channel DDR4-2666) | About 89.6 GB/s (dual-channel DDR5-5600) (speed at which data moves between chip and memory) |
| Neural Engine | None (no dedicated NPU) | None (no dedicated NPU) |
| Processor | Intel Core i5-1235U (Alder Lake, 15 W); CPU: 10-core / 12-thread, up to 4.4 GHz; Core i3-1215U or i7-1255U options; GPU: Intel Iris Xe Graphics (UHD on i3) | Intel Core 5 120U (Raptor Lake Refresh, 15 W) CPU: 10-core / 12-thread, up to 5.0 GHz; Core 7 150U or AMD Ryzen 5 7530U options (balances power and battery efficiency) GPU: Intel Graphics (Iris Xe-class) or AMD Radeon Graphics (handles graphics and creative workloads) |
LAUNCH DATE3 fields
| Specification | Inspiron 15 3520 (2022) | Dell 15 (2025) |
|---|---|---|
| Announced | Announcement date not recorded | Announcement date not recorded |
| Released | March 2022 | March 2025 (successor to Inspiron 15 3000) |
| Status | Discontinued | Available |
DISPLAY6 fields
| Specification | Inspiron 15 3520 (2022) | Dell 15 (2025) |
|---|---|---|
| Brightness | Up to 250 nits typical | Up to 250 nits typical |
| Color | Standard 45% NTSC color | Standard 45% NTSC color |
| Refresh Rate | 120 Hz | 120 Hz (screen refresh speed) |
| Resolution | 1920 × 1080 pixels | 1920 × 1080 pixels (total screen pixel count) |
| Size | 15.6-inch (Diagonal) | 15.6-inch (Diagonal) |
| Type | Anti-glare WVA display; FHD 120 Hz standard | Anti-glare WVA display; FHD 120 Hz standard (everyday panel) |
ADDITIONAL INFORMATION2 fields
| Specification | Inspiron 15 3520 (2022) | Dell 15 (2025) |
|---|---|---|
| Launch Price (USD) | $449.00 (reference only — see Price in Nigeria above for the actual retail price) | $529.99 (reference only — see Price in Nigeria above for the actual retail price) |
| Price in Nigeria | ₦629,000 (Stored estimate) | ₦742,000 (Stored estimate) |
OVERVIEW5 fields
| Specification | Inspiron 15 3520 (2022) | Dell 15 (2025) |
|---|---|---|
| Chip | Intel Core i5-1235U (10-core, up to 4.4 GHz) with Intel Iris Xe Graphics; Core i3-1215U or i7-1255U options | Intel Core 5 120U (10-core, up to 5.0 GHz) with Intel Graphics; Core 3 100U, Core 7 150U, or AMD Ryzen 5 7530U / Ryzen 7 7730U options (handles all processing and graphics tasks) |
| Manufacturer | Dell | Dell |
| Model | Dell Inspiron 15 3520 (2022) | Dell Dell 15 (2025) |
| Operating System | Windows 11 Home | Windows 11 Home |
| Release Year | 2022 | 2025 |
BODY AND BUILD3 fields
| Specification | Inspiron 15 3520 (2022) | Dell 15 (2025) |
|---|---|---|
| Colors | Carbon Black or Platinum Silver | Carbon Black or Ice Blue (official factory color options) |
| Material | Polycarbonate chassis | Polycarbonate chassis (durable everyday build) |
| Weight | 1.85 kg (varies by configuration) | 1.66 kg (varies by configuration) |
MEMORY AND STORAGE3 fields
| Specification | Inspiron 15 3520 (2022) | Dell 15 (2025) |
|---|---|---|
| RAM | Standard: 8 GB DDR4 2666 MHz (two SO-DIMM slots, upgradeable to 16 GB) | Standard: 8 GB or 16 GB DDR5 5600 MHz (two SO-DIMM slots, upgradeable to 32 GB) (higher multitasking capability) |
| Storage | SSD Options: 256 GB / 512 GB / 1 TB (varies by model) | SSD Options: 512 GB / 1 TB (varies by model) (internal file and app storage) |
| Storage Type | SSD (PCIe NVMe M.2) | SSD (PCIe NVMe M.2) (fast solid-state storage technology) |
PORTS AND CONNECTIVITY1 field
| Specification | Inspiron 15 3520 (2022) | Dell 15 (2025) |
|---|---|---|
| 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 or Wi-Fi 6, Bluetooth 5.0. | 1 × USB 2.0 + 2 × USB 3.2 (USB-A), 1 × USB-C 3.2 with DisplayPort and Power Delivery, HDMI 1.4, SD card reader, 3.5 mm headset jack, Wi-Fi 6, Bluetooth 5.3. |
BATTERY AND CHARGING3 fields
| Specification | Inspiron 15 3520 (2022) | Dell 15 (2025) |
|---|---|---|
| Battery Life | 41 Wh or 54 Wh battery; Dell does not publish a single figure — typical mixed use around 6–8 hours (manufacturer endurance figure) | Up to 11 hours (Dell-rated) with 41 Wh or 54 Wh battery (manufacturer endurance figure) |
| Battery Type | Built-in lithium-ion polymer battery | Built-in lithium-ion polymer battery (non-removable internal battery) |
| Charging | 65 W barrel charger | 65 W barrel or USB-C charger (supported charging methods) |
AUDIO AND WEBCAM3 fields
| Specification | Inspiron 15 3520 (2022) | Dell 15 (2025) |
|---|---|---|
| Microphones | Dual-array microphones | Dual-array microphones (improves voice clarity and noise reduction) |
| Speakers | Stereo speakers with Waves MaxxAudio Pro | Stereo speakers with Waves MaxxAudio Pro (enhanced audio output for media) |
| Webcam | 720p HD webcam | 720p HD webcam (standard video-call quality) |
SOFTWARE AND EXTRAS4 fields
| Specification | Inspiron 15 3520 (2022) | Dell 15 (2025) |
|---|---|---|
| Keyboard | Non-backlit keyboard, optional backlit (standard keys) | Backlit keyboard on most configurations (illuminated keys for low-light use) |
| Operating System | — | Windows (latest supported version) (preinstalled Microsoft software platform) |
| Security | Optional fingerprint reader in the power button, TPM 2.0 | Optional fingerprint reader in the power button, TPM 2.0 (biometric authentication method) |
| Trackpad | Precision glass touchpad | Precision glass touchpad (navigation surface) |