Side by side comparison and review of Dell Latitude 7640 and Lenovo ThinkPad X1 Nano Gen 2 (21E9). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
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
Advantages and disadvantages of Lenovo ThinkPad X1 Nano Gen 2 (21E9) based on its technical characteristics, features, user experience, expert reviews and price level.
ultra-lightweight design
impressive battery life
robust security features
sharp display quality
powerful intel processor
limited port selection
higher price point
no touchscreen option
average speaker quality
| DESIGN AND DIMENSIONS | Dell Latitude 7640 | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 25.042 cm x 1.95 cm | 29.33 cm x 20.81 cm x 1.48 cm |
| Weight | 1.837 kg | 991.5 g |
| Case Material | Aluminum | Carbon fibre (top), magnesium alloy (bottom) |
| Colour | - | Black weave |
| DISPLAY | Dell Latitude 7640 | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Screen Size (Type) | 16" - IPS | 13" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 1920 x 1200 (Full HD Plus) | 2160 x 1350 (2K) |
| Pixel Density (ppi) | 141.5 | - |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:10 |
| Image Brightness | 250 cd/m² | 450 cd/m² |
| Colour Gamut | 45% NTSC | 100% sRGB |
| Features | Anti-glare, 35 ms response rate, 85° horizontal and vertical viewing angle, 0.17952 mm pixel pitch | Anti-glare, anti-reflective, anti-smudge, 170° viewing angle, Low Power, Add-on Film Touch |
| PROCESSOR | Dell Latitude 7640 | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| CPU | Intel Core i5 (13th Gen) 1345U / 1.6 GHz | Intel Core i7 (12th Gen) 1270P / 2.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 4.8 GHz |
| Number of Cores | 10-core | 12-core |
| Cache | L3 - 12 MB | 18 MB |
| Platform Technology | Intel vPro Enterprise | - |
| Features | Intel Smart Cache | Integrated memory controller |
| MEMORY | Dell Latitude 7640 | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| RAM | 16 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR5 SDRAM | LPDDR5 SDRAM |
| Speed | 4800 MHz | 5200 MHz |
| Rated Speed | 4800 MHz | 6400 MHz |
| STORAGE | Dell Latitude 7640 | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2230 PCIe 4.0 x4 - NVM Express (NVMe), Class 35 | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia |
|---|
| AUDIO & VIDEO | Dell Latitude 7640 | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| 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 - 1920 x 1080 (standard), 640 x 360 (infrared) | Yes - 1080p |
| Camera Features | Privacy shutter, IR/RGB camera, Temporal Noise Reduction, 80 degrees, 86.6 degrees (IR camera) | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1920 x 1080, 640 x 360 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Four stereo speakers, dual array microphone | Stereo speakers, two tweeters, two woofers, four microphones |
| Codec | Realtek ALC3281 | Realtek ALC3306 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Atmos, Dolby Voice |
| COMMUNICATIONS | Dell Latitude 7640 | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Wireless | Bluetooth, NFC, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | Intel Wi-Fi 6E AX 211 |
| Network Interface | - | Gigabit Ethernet |
| Features | Dual stream (2x2), WWAN aerial | - |
| BATTERY | Dell Latitude 7640 | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Technology | 3-cell Lithium Ion | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 49.5 Wh |
| AC ADAPTER | Dell Latitude 7640 | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 5 / 9 / 15 / 20 V | 65 Watt |
| INPUT | Dell Latitude 7640 | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Type | Keyboard, ClickPad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Mini LED backlit, 80-key | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad |
| CONNECTIONS & EXPANSIONS | Dell Latitude 7640 | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Interfaces | 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 |
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) LAN (on supplied adapter) Headphone/microphone combo jack |
|---|
| SOFTWARE | Dell Latitude 7640 | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Operating System (OS) | Windows 11 Pro - Dutch / English / French / German / Italian | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence |
|---|---|---|
| Software Included | Microsoft Office (30 days trial, excludes office licence) | - |
| MISCELLANEOUS | Dell Latitude 7640 | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Included Accessories | USB-C power adapter | Lenovo USB-C to Ethernet Adapter, USB-C slim power adapter |
|---|---|---|
| Integrated Options | Accelerometer, hall sensor | - |
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader, contactless smart card reader | Discrete 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 | ExpressCharge, ExpressChargeBoost | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication |
| Compliant Standards | FIPS 140-2, TCG Certified, TCO Certified 9.0 | RoHS, TCG Certified |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 5 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 8 - 95% |
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