Choose Vostro 3520 if you need:
- Processor Model at Intel Core i5-1235U (vs Core Ultra 5)
- Installed Memory at 8 GB (vs 16 GB)
- Storage Capacity at 256 GB (vs 512 GB)
- Display Size at 15.6 inch (vs 14 inch)
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Side-by-side specification comparison of two reference models
A full side-by-side comparison of reference models Vostro 3520 and ThinkPad E14 within the same category.
Side-by-side specification comparison of two reference models
| Specification | Vostro 3520 | ThinkPad E14 |
|---|---|---|
| Price | Not for sale | Not for sale |
| General | ||
| Brand | Dell | Lenovo |
| Product Family | Vostro | ThinkPad |
| Model | Vostro 3520 | ThinkPad E14 |
| Model Number | — | ThinkPad E14 Gen 6 (Intel) |
| Launch Year | 2025 year | 2025 year |
| Form Factor | Clamshell | Clamshell |
| Laptop Category | Budget | Budget Business |
| Operating System Architecture | 64-bit | 64-bit |
| Processor | ||
| Processor Manufacturer | Intel | Intel |
| Processor Family | Intel Core i5 | Intel Core Ultra 5 |
| Processor Model | Intel Core i5-1235U | Core Ultra 5 |
| Processor Generation | 12th Gen | Intel Core Ultra Series 1 |
| CPU Architecture | x86-64 | x86-64 |
| CPU Process Node | 7 nm | — |
| CPU Cores | 10 cores | — |
| Performance Cores | 2 cores | — |
| Efficiency Cores | 8 cores | — |
| CPU Threads | 12 threads | — |
| CPU Base Clock | 1.3 GHz | — |
| CPU Max Boost Clock | 4.4 GHz | — |
| L3 Cache | 12 MB | — |
| Processor Base Power | 15 W | — |
| Maximum Processor Power | 55 W | — |
| CPU Manageability Technology | Intel vPro Essentials; Intel Standard Manageability | — |
| AI / NPU | ||
| NPU | — | Yes |
| NPU Model | — | Intel AI Boost |
| NPU Performance | — | 11 TOPS |
| Graphics | ||
| Graphics Type | Integrated | Integrated |
| GPU Manufacturer | Intel | Intel |
| GPU Model | Intel Iris Xe Graphics eligible | — |
| VRAM Capacity | 0 GB | 0 GB |
| VRAM Type | Shared system memory | Shared system memory |
| Maximum External Displays | — | 3 displays |
| Maximum External Resolution | — | Up to 8K @ 60Hz via Thunderbolt |
| Memory | ||
| Installed Memory | 8 GB | 16 GB |
| Maximum Memory | 16 GB | 64 GB |
| Memory Type | DDR4 | DDR5 |
| Memory Speed | — | 5600 MT/s |
| Memory Form Factor | SO-DIMM | SO-DIMM |
| Memory Slots | 2 slots | 2 slots |
| Memory Upgradeable | Yes | Yes |
| Memory Channels | Dual-channel | Dual-channel |
| Storage | ||
| Primary Storage Type | SSD | SSD |
| Storage Capacity | 256 GB | 512 GB |
| Storage Interface | PCIe NVMe | PCIe NVMe |
| Storage PCIe Generation | — | PCIe 4.0 |
| Storage Form Factor | — | M.2 2242 |
| Installed Storage Drives | 1 drives | 1 drives |
| Maximum Storage Drives | 1 drives | 2 drives |
| M.2 Storage Slots | 1 slots | 2 slots |
| Card Reader | Yes | — |
| Card Reader Formats | SD, SDHC, SDXC | — |
| Display | ||
| Display Size | 15.6 inch | 14 inch |
| Display Technology | — | IPS LCD |
| Panel Type | — | IPS |
| Refresh Rate | — | 60 Hz |
| Display Brightness | — | 300 nits |
| Aspect Ratio | — | 16:10 |
| Display Finish | Anti-glare | Anti-glare |
| Screen-to-Body Ratio | — | 90 % |
| Camera & Biometrics | ||
| Camera Privacy Shutter | — | Yes |
| Audio | ||
| Speaker Configuration | 2 speakers | Stereo speakers, 2W x2 |
| Speaker Power | 2 W average per speaker W | 2 W x 2 W |
| Audio Technology | — | Dolby Atmos, HARMAN |
| Microphone Configuration | — | Dual-microphone array with smart noise-cancelling |
| Audio Jack | Yes | Yes |
| Keyboard & Input | ||
| Keyboard Type | — | 6-row spill-resistant keyboard |
| Keyboard RGB Zones | — | — |
| Numeric Keypad | Yes | — |
| Spill-Resistant Keyboard | — | Yes |
| Key Travel | — | 1.5 mm |
| Copilot Key | — | Yes |
| Touchpad Type | — | 3-button Trackpad |
| Touchpad Dimensions | 115 x 80 mm | 115 x 56 mm |
| Touchpad Material | — | Mylar |
| Wireless & Networking | ||
| Ethernet | Yes | Yes |
| Ethernet Speed | 1 Gbps | 1 |
| WWAN | — | No |
| Ports & Expansion | ||
| USB Type-A Port Count | — | 2 ports |
| USB Type-A Specifications | — | USB 5 Gbps + USB 10 Gbps |
| USB Type-C Port Count | — | 2 ports |
| USB Type-C Specifications | — | USB 20 Gbps + Thunderbolt 4 / USB4 40 Gbps; USB PD; DisplayPort |
| USB4 Port Count | 0 ports | 1 ports |
| USB4 Speed | — | 40 Gbps |
| Thunderbolt Port Count | 0 ports | 1 ports |
| Thunderbolt Version | — | Thunderbolt 4 |
| HDMI Port Count | 1 ports | 1 ports |
| HDMI Version | 1.4 | 2.1 |
| DisplayPort Output | — | Yes |
| RJ-45 Port Count | 1 ports | 1 ports |
| 3.5 mm Audio Combo Port Count | 1 ports | 1 ports |
| SD Card Slot Count | 1 ports | 0 ports |
| microSD Card Slot Count | 0 ports | 0 ports |
| Smart Card Reader | No | No |
| Security Lock Slot | Yes | — |
| Internal PCIe Slots | 2 M.2 slots: 1x M.2 2230 WLAN/Bluetooth; 1x M.2 2230/2280 SSD | 2 x M.2 PCIe 4.0 x4 storage slots |
| Battery & Power | ||
| Power Adapter | 65 W | 65 W |
| Power Connector | 4.5 mm barrel | USB-C |
| USB-C Charging | — | Yes |
| USB Power Delivery Version | — | USB Power Delivery 3.0 |
| Dimensions & Build | ||
| Width | — | 313 mm |
| Depth | — | 219.3 mm |
| MIL-STD Testing | — | MIL-STD-810H |
| Security & Manageability | ||
| TPM | TPM 2.0 | Discrete TPM 2.0; TCG and FIPS 140-2 certified |
| BIOS / UEFI Password Support | Yes | Yes |
| Drive Password Support | Yes | Yes |
| Secure Boot | Yes | — |
| Smart Card Support | No | No |
| BIOS Recovery / Self-Healing | Dell BIOS Recovery from Hard Drive / BIOS Auto-Recovery | Yes |
| Certifications & Sustainability | ||
| TCO Certified | — | TCO Certified 9.0 |
| RoHS Compliance | — | Yes |
| Recycled Materials | — | 25% PCC battery enclosure; 30% PCC speaker enclosure; 90% PCC 65W adapter |
| Environment & Warranty | ||
| Operating Temperature | 0–35 °C | 5–35 °C |
| Operating Humidity | 10–90 % RH | 8–95 % RH |
| Storage Temperature | -40–65 °C | 5–43; packaged transport -20–60 °C |
Vostro 3520 and ThinkPad E14 share specifications such as Launch Year (2025 year), Form Factor (Clamshell), Operating System Architecture (64-bit), Processor Manufacturer (Intel).
The main differences: Processor Model (Vostro 3520: Intel Core i5-1235U, ThinkPad E14: Core Ultra 5); Installed Memory (Vostro 3520: 8 GB, ThinkPad E14: 16 GB); Storage Capacity (Vostro 3520: 256 GB, ThinkPad E14: 512 GB); Display Size (Vostro 3520: 15.6 inch, ThinkPad E14: 14 inch).
Vostro 3520 may suit users who need its differing values, while ThinkPad E14 benefits those who need its paired strengths. Review the specs table above before deciding.