In depth comparison and review of Dell Latitude 3390 2-in-1 and Lenovo IdeaPad C340-15IWL (81N5). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of Lenovo IdeaPad C340-15IWL (81N5) based on its technical characteristics, features, user experience, expert reviews and price level.
flexible 2-in-1 design
responsive touchscreen display
backlit keyboard feature
solid build quality
affordable price point
average battery life
moderate processor speed
limited graphics performance
heavier than competitors
| DESIGN AND DIMENSIONS | Dell Latitude 3390 2-in-1 | Lenovo IdeaPad C340-15IWL (81N5) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 32.4 cm x 22.48 cm x 2.04 cm | 36.4 cm x 25 cm x 2.05 cm |
| Weight | 1.57 kg | 2 kg |
| Case Material | - | Polycarbonate, polycarbonate ABS, glass-fibre |
| Colour | Black | Onyx black |
| DISPLAY | Dell Latitude 3390 2-in-1 | Lenovo IdeaPad C340-15IWL (81N5) |
|---|
| Screen Size (Type) | 13.3" | 15.6" - TN |
|---|---|---|
| Touchscreen | Yes | Yes (10-point multi-touch) |
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1366 x 768 (HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | 220 cd/m² | 220 cd/m² |
| Features | Anti-glare | Glossy |
| PROCESSOR | Dell Latitude 3390 2-in-1 | Lenovo IdeaPad C340-15IWL (81N5) |
|---|
| CPU | Intel Core i3 (7th Gen) 7020U / 2.3 GHz | Intel Core i3 (8th Gen) 8145U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | - | 3.9 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 3 MB | 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | - | Integrated memory controller |
| MEMORY | Dell Latitude 3390 2-in-1 | Lenovo IdeaPad C340-15IWL (81N5) |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 16 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2400 MHz |
| Rated Speed | 2400 MHz | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 1 | 0 |
| STORAGE | Dell Latitude 3390 2-in-1 | Lenovo IdeaPad C340-15IWL (81N5) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 2280 SATA | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Dell Latitude 3390 2-in-1 | Lenovo IdeaPad C340-15IWL (81N5) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 620 | Intel UHD Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Camera | Yes - 1280 x 720 | Yes - 720p |
| Resolution | 0.92 Megapixel | 1 Megapixel |
| Camera Features | IR camera | Privacy shutter |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3253 | - |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio |
| Audio Features | MaxxAudio Pro | - |
| COMMUNICATIONS | Dell Latitude 3390 2-in-1 | Lenovo IdeaPad C340-15IWL (81N5) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | Atheros QCA61x4A - M.2 2230 | M.2 Card |
| Features | - | Single stream (1x1) |
| BATTERY | Dell Latitude 3390 2-in-1 | Lenovo IdeaPad C340-15IWL (81N5) |
|---|
| Technology | 3-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 52.5 Wh |
| Battery Life | - | Up to 8 hours |
| AC ADAPTER | Dell Latitude 3390 2-in-1 | Lenovo IdeaPad C340-15IWL (81N5) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19.5 V, 2.31 A | 65 Watt |
| INPUT | Dell Latitude 3390 2-in-1 | Lenovo IdeaPad C340-15IWL (81N5) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | - | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Dell Latitude 3390 2-in-1 | Lenovo IdeaPad C340-15IWL (81N5) |
|---|
| Interfaces | Headphone/microphone combo jack USB 3.1 Gen 1 (PowerShare) USB-C (supports DisplayPort Alt Mode) USB 2.0 HDMI |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Dell Latitude 3390 2-in-1 | Lenovo IdeaPad C340-15IWL (81N5) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Home in S mode - English |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Microsoft Office (30 days trial) |
| MISCELLANEOUS | Dell Latitude 3390 2-in-1 | Lenovo IdeaPad C340-15IWL (81N5) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Noble Wedge security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | - | Administrator password, hard drive password, power-on password, RapidCharge |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | - | 0.38 W/kg (body), 0.38 W/kg (limb) |
| Specific Absorption Rate (SAR) | - | 0.38 W/kg (body) 0.38 W/kg (limb) |
| Manufacturer Warranty | Limited warranty - 1 year - on-site | Limited warranty - 1 year - pick-up and return |
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