In depth comparison and review of Dell Latitude 7640 and Lenovo IdeaPad S145-15API (81UT). 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 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 IdeaPad S145-15API (81UT) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
decent processor performance
sufficient connectivity options
simple user interface
average display quality
limited battery life
modest graphics capability
no backlight keyboard
| DESIGN AND DIMENSIONS | Dell Latitude 7640 | Lenovo IdeaPad S145-15API (81UT) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 25.042 cm x 1.95 cm | 36.22 cm x 25.15 cm x 1.99 cm |
| Weight | 1.837 kg | 1.85 kg |
| Case Material | Aluminum | Polycarbonate ABS |
| Colour | - | Granite black IMR |
| DISPLAY | Dell Latitude 7640 | Lenovo IdeaPad S145-15API (81UT) |
|---|
| Screen Size (Type) | 16" - IPS | 15.6" - TN |
|---|---|---|
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 1920 x 1200 (Full HD Plus) | 1366 x 768 (HD) |
| Pixel Density (ppi) | 141.5 | - |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | 250 cd/m² | 220 cd/m² |
| Colour Gamut | 45% NTSC | - |
| Features | Anti-glare, 35 ms response rate, 85° horizontal and vertical viewing angle, 0.17952 mm pixel pitch | Anti-glare |
| PROCESSOR | Dell Latitude 7640 | Lenovo IdeaPad S145-15API (81UT) |
|---|
| CPU | Intel Core i5 (13th Gen) 1345U / 1.6 GHz | AMD Ryzen 3 3200U / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 3.5 GHz |
| Number of Cores | 10-core | Dual-Core |
| Cache | L3 - 12 MB | L3 - 4 MB |
| 64-bit Computing | - | Yes |
| Platform Technology | Intel vPro Enterprise | - |
| Features | Intel Smart Cache | Integrated memory controller |
| MEMORY | Dell Latitude 7640 | Lenovo IdeaPad S145-15API (81UT) |
|---|
| RAM | 16 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 12 GB |
| RAM Type | LPDDR5 SDRAM | DDR4 SDRAM |
| Speed | 4800 MHz | 2400 MHz |
| Rated Speed | 4800 MHz | 2400 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | Dell Latitude 7640 | Lenovo IdeaPad S145-15API (81UT) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2230 PCIe 4.0 x4 - NVM Express (NVMe), Class 35 | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Dell Latitude 7640 | Lenovo IdeaPad S145-15API (81UT) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | AMD Radeon Vega 3 |
|---|---|---|
| Video System Features | Functions as Intel UHD graphics (for single-channel memory) | - |
| Camera | Yes - 1920 x 1080 (standard), 640 x 360 (infrared) | Yes |
| Resolution | - | 0.3 Megapixel |
| Camera Features | 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 stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Realtek ALC3281 | - |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Dell Latitude 7640 | Lenovo IdeaPad S145-15API (81UT) |
|---|
| Wireless | Bluetooth, NFC, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | M.2 Card |
| Features | Dual stream (2x2), WWAN aerial | Single stream (1x1) |
| BATTERY | Dell Latitude 7640 | Lenovo IdeaPad S145-15API (81UT) |
|---|
| Technology | 3-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 30 Wh |
| Battery Life | - | Up to 4 hours |
| AC ADAPTER | Dell Latitude 7640 | Lenovo IdeaPad S145-15API (81UT) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 5 / 9 / 15 / 20 V | 65 Watt |
| INPUT | Dell Latitude 7640 | Lenovo IdeaPad S145-15API (81UT) |
|---|
| Type | Keyboard, ClickPad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Mini LED backlit, 80-key | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Dell Latitude 7640 | Lenovo IdeaPad S145-15API (81UT) |
|---|
| 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 2.0 2 x USB 3.1 Gen 1 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Dell Latitude 7640 | Lenovo IdeaPad S145-15API (81UT) |
|---|
| Operating System (OS) | Windows 11 Pro - Dutch / English / French / German / Italian | Windows 10 Home in S mode - English |
|---|---|---|
| Software Included | Microsoft Office (30 days trial, excludes office licence) | Microsoft Office (30 days trial) |
| MISCELLANEOUS | Dell Latitude 7640 | Lenovo IdeaPad S145-15API (81UT) |
|---|
| Included Accessories | USB-C power adapter | 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 | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Noble Wedge security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | ExpressCharge, ExpressChargeBoost | Administrator password, hard drive password, power-on password |
| Compliant Standards | FIPS 140-2, TCG Certified, TCO Certified 9.0 | RoHS, Energy-Related Products (ErP) Lot 3 |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
