Side by side comparison and review of Dell Latitude 7640 and Lenovo ThinkPad T14s Gen 4 (21F9). 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 T14s Gen 4 (21F9) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
impressive battery life
powerful processor options
bright display
higher price point
limited graphics performance
no OLED option
heavier than competitors
| DESIGN AND DIMENSIONS | Dell Latitude 7640 | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 25.042 cm x 1.95 cm | 31.75 cm x 22.69 cm x 1.69 cm |
| Weight | 1.837 kg | 1.26 kg |
| Case Material | Aluminum | Aluminium (bottom), carbon fibre hybrid (top) |
| Colour | - | Deep black |
| DISPLAY | Dell Latitude 7640 | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Screen Size (Type) | 16" - IPS | 14" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| Screen Resolution | 1920 x 1200 (Full HD Plus) | 1920 x 1200 (WUXGA) |
| Pixel Density (ppi) | 141.5 | - |
| V-Sync Rate at Max Res. | 60 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:10 |
| Image Brightness | 250 cd/m² | 300 cd/m² |
| Colour Gamut | 45% NTSC | 45% NTSC |
| Features | Anti-glare, 35 ms response rate, 85° horizontal and vertical viewing angle, 0.17952 mm pixel pitch | Anti-glare, on-cell touch technology |
| PROCESSOR | Dell Latitude 7640 | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| CPU | Intel Core i5 (13th Gen) 1345U / 1.6 GHz | AMD Ryzen 5 Pro 7540U / 3.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 4.9 GHz |
| Number of Cores | 10-core | 6-core |
| Cache | L3 - 12 MB | L3 - 16 MB |
| Platform Technology | Intel vPro Enterprise | - |
| Features | Intel Smart Cache | Integrated memory controller |
| MEMORY | Dell Latitude 7640 | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| RAM | 16 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR5 SDRAM | LPDDR5X SDRAM |
| Speed | 4800 MHz | 6400 MHz |
| Rated Speed | 4800 MHz | 7500 MHz |
| STORAGE | Dell Latitude 7640 | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| 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 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia |
|---|
| AUDIO & VIDEO | Dell Latitude 7640 | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | AMD Radeon 740M |
|---|---|---|
| Max Monitors Supported | - | 3 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 |
| Resolution | - | 5 Megapixel |
| Camera Features | Privacy shutter, IR/RGB camera, Temporal Noise Reduction, 80 degrees, 86.6 degrees (IR camera) | Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection |
| 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, dual array microphone |
| Codec | Realtek ALC3281 | Realtek ALC3287 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio |
| Audio Features | - | Input: Dolby Voice, 360° far-field |
| COMMUNICATIONS | Dell Latitude 7640 | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| 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 | Qualcomm NFA725A |
| Network Interface | - | Gigabit Ethernet |
| Features | Dual stream (2x2), WWAN aerial | - |
| BATTERY | Dell Latitude 7640 | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Technology | 3-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 57 Wh |
| AC ADAPTER | Dell Latitude 7640 | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| 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 T14s Gen 4 (21F9) |
|---|
| 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 |
| CONNECTIONS & EXPANSIONS | Dell Latitude 7640 | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| 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 |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 (Always On) 2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI (4K support) Headphone/microphone combo jack LAN (on supplied adapter) |
|---|
| SOFTWARE | Dell Latitude 7640 | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| 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) | Glance by Mirametrix |
| MISCELLANEOUS | Dell Latitude 7640 | Lenovo ThinkPad T14s Gen 4 (21F9) |
|---|
| Included Accessories | USB-C power adapter | USB-C power adapter, Lenovo USB-C to Ethernet 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 with Microsoft Pluton, fingerprint reader |
| Security Slot Type | Noble Wedge security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | ExpressCharge, ExpressChargeBoost | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
| Compliant Standards | FIPS 140-2, TCG Certified, TCO Certified 9.0 | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
| 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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