In depth comparison and review of Dell Latitude E6440 and Lenovo ThinkPad E580 (20KS). 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.
| DESIGN AND DIMENSIONS | Dell Latitude E6440 | Lenovo ThinkPad E580 (20KS) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 33.8 cm x 23.26 cm x 3.18 cm | 36.9 cm x 25.2 cm x 1.995 cm |
| Weight | 2.12 kg | 2.1 kg |
| Case Material | Anodised aluminium | Aluminum, polycarbonate ABS |
| Colour | Black, silver | Black | Black |
| DISPLAY | Dell Latitude E6440 | Lenovo ThinkPad E580 (20KS) |
|---|
| Screen Size (Type) | 14" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 250 cd/m² |
| Features | Anti-glare, BFR/PVC-free | Anti-glare |
| PROCESSOR | Dell Latitude E6440 | Lenovo ThinkPad E580 (20KS) |
|---|
| CPU | Intel Core i5 (4th Gen) 4300M / 2.6 GHz | Intel Core i3 (8th Gen) 8130U / 2.2 GHz |
|---|---|---|
| Max Turbo Speed | 3.3 GHz | 3.4 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 3 MB | 4 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Intel QM87 | - |
| Platform Technology | Intel vPro Platform | - |
| Features | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology | Integrated memory controller |
| MEMORY | Dell Latitude E6440 | Lenovo ThinkPad E580 (20KS) |
|---|
| RAM | 4 GB (1 x 4 GB) | 4 GB (1 x 4 GB) |
|---|---|---|
| Max RAM Supported | 16 GB | 32 GB |
| RAM Type | DDR3L SDRAM | DDR4 SDRAM |
| Speed | 1600 MHz / PC3-12800 | 2400 MHz |
| Rated Speed | 1600 MHz | - |
| Form Factor | SO-DIMM 204-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | Dell Latitude E6440 | Lenovo ThinkPad E580 (20KS) |
|---|
| Main Storage Size (HDD/SSD) | 320 GB HDD SATA 3Gb/s / 7200 rpm | 128 GB SSD M.2 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|---|---|
| Optical Drive | DVD±RW | - |
| Read Speed | 8x | - |
| AUDIO & VIDEO | Dell Latitude E6440 | Lenovo ThinkPad E580 (20KS) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4600 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes | Yes - 720p |
| Camera Features | 720p HD movie recording | - |
| Video Resolutions | 1280 x 720 | - |
| Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3226 | CX11852 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Advanced Audio |
| Audio Features | MaxxAudio | - |
| COMMUNICATIONS | Dell Latitude E6440 | Lenovo ThinkPad E580 (20KS) |
|---|
| Wireless | Bluetooth, 802.11b/g/n | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Centrino Advanced-N 6235 | Intel Dual Band Wireless-AC 3165 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Realtek R8111GUS |
| Features | Intel Wireless Display (WiDi) | - |
| BATTERY | Dell Latitude E6440 | Lenovo ThinkPad E580 (20KS) |
|---|
| Technology | 6-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 60 Wh | 45 Wh |
| Battery Life | - | Up to 12.23 hours |
| AC ADAPTER | Dell Latitude E6440 | Lenovo ThinkPad E580 (20KS) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19.5 V, 3.34 A | 65 Watt |
| INPUT | Dell Latitude E6440 | Lenovo ThinkPad E580 (20KS) |
|---|
| Type | Keyboard, touchpad, DualPoint | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Multi-touch touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Dell Latitude E6440 | Lenovo ThinkPad E580 (20KS) |
|---|
| Interfaces | LAN 4 x USB 3.0 Headphone/microphone combo jack VGA HDMI Dock |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB 2.0 HDMI LAN USB-C 3.1 Gen 2 Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card) | Yes (microSD) |
| SOFTWARE | Dell Latitude E6440 | Lenovo ThinkPad E580 (20KS) |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition - English | Windows 10 Pro 64-bit Edition |
|---|---|---|
| Software Included | Dell Webcam Central | Lenovo Companion, McAfee LiveSafe (30 days trial), PC Manager |
| MISCELLANEOUS | Dell Latitude E6440 | Lenovo ThinkPad E580 (20KS) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | USB-C power adapter |
| Integrated Options | Ambient light sensor | - |
| Security | Trusted Platform Module (TPM) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Noise reduction, powder coated, hot-swappable battery, Free Fall Sensor, ExpressCharge, Tri-metal chassis | Administrator password, hard drive password, power-on password |
| Compliant Standards | FIPS 140-2, MIL-STD 810G | RoHS |
| SAR Value | - | 0.579 W/kg (body), 0.579 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | Limited warranty - 3 years - response time: next business day Limited warranty - battery - 1 year |
Limited warranty - 1 year - pick-up and return |
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