In depth comparison and review of Lenovo ThinkPad Z13 Gen 1 (21D2) and Dell Latitude 7640. 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 ThinkPad Z13 Gen 1 (21D2) based on its technical characteristics, features, user experience, expert reviews and price level.
excellent build quality
powerful AMD processor
high-resolution display
sustainable materials used
compact and lightweight
higher price point
no HDMI port
limited upgradeability
average battery life
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 Z13 Gen 1 (21D2) | Dell Latitude 7640 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.94 cm x 19.96 cm x 1.399 cm | 35.8 cm x 25.042 cm x 1.95 cm |
| Weight | 1.19 kg | 1.837 kg |
| Case Material | Aluminium (top), aluminium (bottom) | Aluminum |
| Colour | Black (bottom), arctic grey (top) | - |
| DISPLAY | Lenovo ThinkPad Z13 Gen 1 (21D2) | Dell Latitude 7640 |
|---|
| Screen Size (Type) | 13.3" - IPS | 16" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1200 (WUXGA) | 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 | 400 cd/m² | 250 cd/m² |
| Colour Gamut | 100% sRGB | 45% NTSC |
| Features | Anti-glare, 178° viewing angle, Low Power, 91.6% screen-to-body ratio | Anti-glare, 35 ms response rate, 85° horizontal and vertical viewing angle, 0.17952 mm pixel pitch |
| PROCESSOR | Lenovo ThinkPad Z13 Gen 1 (21D2) | Dell Latitude 7640 |
|---|
| CPU | AMD Ryzen 5 Pro 6650U / 2.9 GHz | Intel Core i5 (13th Gen) 1345U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.5 GHz | 4.7 GHz |
| Number of Cores | 6-core | 10-core |
| Cache | 16 MB | L3 - 12 MB |
| Platform Technology | - | Intel vPro Enterprise |
| Features | - | Intel Smart Cache |
| MEMORY | Lenovo ThinkPad Z13 Gen 1 (21D2) | Dell Latitude 7640 |
|---|
| RAM | 16 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR5 SDRAM | LPDDR5 SDRAM |
| Speed | 6400 MHz | 4800 MHz |
| Rated Speed | 6400 MHz | 4800 MHz |
| STORAGE | Lenovo ThinkPad Z13 Gen 1 (21D2) | 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 Z13 Gen 1 (21D2) | Dell Latitude 7640 |
|---|
| Graphics Processor (GPU) | AMD Radeon 660M | 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 | IR camera, Windows Hello, e-camera shutter | 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 | Stereo speakers, dual array microphone | Four stereo speakers, dual array microphone |
| Codec | Realtek ALC3306 | Realtek ALC3281 |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio |
| COMMUNICATIONS | Lenovo ThinkPad Z13 Gen 1 (21D2) | Dell Latitude 7640 |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth, NFC, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Qualcomm NFA725A | Intel Wi-Fi 6E AX 211 |
| Compliant Standards | DASH | - |
| Features | Dual stream (2x2) | Dual stream (2x2), WWAN aerial |
| BATTERY | Lenovo ThinkPad Z13 Gen 1 (21D2) | Dell Latitude 7640 |
|---|
| Technology | Lithium polymer | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 51.5 Wh | 57 Wh |
| Battery Life | Up to 22.8 hours | - |
| AC ADAPTER | Lenovo ThinkPad Z13 Gen 1 (21D2) | 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 Z13 Gen 1 (21D2) | Dell Latitude 7640 |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, ClickPad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, haptic feedback, Fn keys with Unified Communications controls, glass touchpad | Mini LED backlit, 80-key |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad Z13 Gen 1 (21D2) | Dell Latitude 7640 |
|---|
| Interfaces | 2 x USB4 (supports DisplayPort 1.4a 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 Z13 Gen 1 (21D2) | Dell Latitude 7640 |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 11 Pro - Dutch / English / French / German / Italian |
|---|---|---|
| Software Included | Glance by Mirametrix | Microsoft Office (30 days trial, excludes office licence) |
| MISCELLANEOUS | Lenovo ThinkPad Z13 Gen 1 (21D2) | Dell Latitude 7640 |
|---|
| Included Accessories | USB-C power adapter | USB-C power adapter |
|---|---|---|
| Integrated Options | - | Accelerometer, hall sensor |
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader, contactless smart card reader |
| Security Slot Type | - | Noble Wedge security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, USB FIDO (Fast Identity Online) device integration, pen upgradable, certificate based BIOS authentication | ExpressCharge, ExpressChargeBoost |
| Compliant Standards | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, 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 Extended warranty - 3 years - on-site - response time: next business day |
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