Detailed comparison and review of Lenovo ThinkPad X1 Nano Gen 2 (21E8) and Dell Latitude 7640. With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
Advantages and disadvantages of Lenovo ThinkPad X1 Nano Gen 2 (21E8) based on its technical characteristics, features, user experience, expert reviews and price level.
ultra-lightweight design
impressive battery life
robust security features
sharp display resolution
efficient performance
limited port selection
higher price point
no touchscreen option
average speaker quality
Advantages and disadvantages of Dell Latitude 7640 based on its technical characteristics, features, user experience, expert reviews and price level.
robust security features
high-resolution display
powerful processor performance
lightweight design
excellent connectivity options
higher price point
average battery life
limited color options
noisy under load
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | Dell Latitude 7640 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.33 cm x 20.81 cm x 1.48 cm | 35.8 cm x 25.042 cm x 1.95 cm |
| Weight | 966.5 g | 1.837 kg |
| Case Material | Carbon fibre (top), magnesium alloy (bottom) | Aluminum |
| Colour | Black paint | - |
| DISPLAY | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | Dell Latitude 7640 |
|---|
| Screen Size (Type) | 13" - IPS | 16" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 2160 x 1350 (2K) | 1920 x 1200 (Full HD Plus) |
| Pixel Density (ppi) | - | 141.5 |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | - |
| Image Brightness | 450 cd/m² | 250 cd/m² |
| Colour Gamut | 100% sRGB | 45% NTSC |
| Features | Anti-glare, 170° viewing angle, Low Power | Anti-glare, 35 ms response rate, 85° horizontal and vertical viewing angle, 0.17952 mm pixel pitch |
| PROCESSOR | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | Dell Latitude 7640 |
|---|
| CPU | Intel Core i5 (12th Gen) 1240P / 1.7 GHz | Intel Core i5 (13th Gen) 1345U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4.7 GHz |
| Number of Cores | 12-core | 10-core |
| Cache | 12 MB | L3 - 12 MB |
| Platform Technology | Intel Evo | Intel vPro Enterprise |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | Dell Latitude 7640 |
|---|
| RAM | 16 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR5 SDRAM | LPDDR5 SDRAM |
| Speed | 5200 MHz | 4800 MHz |
| Rated Speed | 5200 MHz | 4800 MHz |
| STORAGE | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | Dell Latitude 7640 |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 512 GB SSD M.2 2230 PCIe 4.0 x4 - NVM Express (NVMe), Class 35 |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | Dell Latitude 7640 |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | 2 external monitor(s) | - |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 1080p | Yes - 1920 x 1080 (standard), 640 x 360 (infrared) |
| Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus | Privacy shutter, IR/RGB camera, Temporal Noise Reduction, 80 degrees, 86.6 degrees (IR camera) |
| Image Sensor Type | - | CMOS |
| Video Resolutions | - | 1920 x 1080, 640 x 360 |
| Frame Rate | - | 30 frames per second |
| Sound | Four speakers, four microphones | Four stereo speakers, dual array microphone |
| Codec | Realtek ALC3306 | Realtek ALC3281 |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio |
| COMMUNICATIONS | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | Dell Latitude 7640 |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | Bluetooth, NFC, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | Intel Wi-Fi 6E AX 211 |
| Features | Dual stream (2x2) | Dual stream (2x2), WWAN aerial |
| WWAN |
|---|
| Generation | WWAN upgradable | - |
|---|
| BATTERY | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | Dell Latitude 7640 |
|---|
| Technology | Lithium polymer | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 49.5 Wh | 57 Wh |
| AC ADAPTER | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | Dell Latitude 7640 |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt, 5 / 9 / 15 / 20 V |
| INPUT | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | Dell Latitude 7640 |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, ClickPad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad | Mini LED backlit, 80-key |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | Dell Latitude 7640 |
|---|
| Interfaces | 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack |
HDMI 2 x USB4 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) USB 3.2 Gen 1 (PowerShare) USB 3.2 Gen 1 Headphone/microphone combo jack |
|---|
| SOFTWARE | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | Dell Latitude 7640 |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 11 Pro - Dutch / English / French / German / Italian |
|---|---|---|
| Software Included | Glance by Mirametrix, Intel Connectivity Performance Suite | Microsoft Office (30 days trial, excludes office licence) |
| MISCELLANEOUS | Lenovo ThinkPad X1 Nano Gen 2 (21E8) | Dell Latitude 7640 |
|---|
| Included Accessories | USB-C slim power adapter | USB-C power adapter |
|---|---|---|
| Integrated Options | - | Accelerometer, hall sensor |
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader, contactless smart card reader |
| Security Slot Type | Kensington nano security slot | Noble Wedge security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, Firmware Resiliency 2.0, NVMe password, USB FIDO (Fast Identity Online) device integration | ExpressCharge, ExpressChargeBoost |
| Compliant Standards | RoHS, TCG Certified | FIPS 140-2, TCG Certified, TCO Certified 9.0 |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 5 °C | 0 °C |
| Humidity Range Operating | 8 - 95% | 10 - 90% (non-condensing) |
| Manufacturer Warranty | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site |
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