Dell Latitude 7640 vs. Lenovo IdeaPad S540-13API (81XC)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Dell Latitude 7640 and Lenovo IdeaPad S540-13API (81XC). 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.

Dell Latitude 7640 Review

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

Lenovo IdeaPad S540-13API (81XC) Review

Advantages and disadvantages of Lenovo IdeaPad S540-13API (81XC) based on its technical characteristics, features, user experience, expert reviews and price level.

slim, lightweight design

sharp, vibrant display

fast processing speed

good battery life

quiet operation

limited port selection

no optical drive

average graphics performance

higher price point

Laptop Comparison and Tests

Difference between Dell Latitude 7640 and Lenovo IdeaPad S540-13API (81XC)
82 % - Design
85 % - Display
84 % - Performance
85 % - Connectivity
85 % - Battery
81 % - Design
85 % - Display
72 % - Performance
78 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Dell Latitude 7640 vs. Lenovo IdeaPad S540-13API (81XC) Comparison Chart
DESIGN AND DIMENSIONS Dell Latitude 7640 Lenovo IdeaPad S540-13API (81XC)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.8 cm x 25.042 cm x 1.95 cm 29.69 cm x 20.86 cm x 1.595 cm
Weight 1.837 kg 1.25 kg
Case Material Aluminum Aluminum, glass
Colour - Light silver
DISPLAY Dell Latitude 7640 Lenovo IdeaPad S540-13API (81XC)
Screen Size (Type) 16" - IPS 13.3" - IPS
LCD Backlight Technology - LED backlight
Screen Resolution 1920 x 1200 (Full HD Plus) 2560 x 1600 (WQHD)
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 300 cd/m²
Colour Gamut 45% NTSC 100% sRGB, 72% NTSC
Features Anti-glare, 35 ms response rate, 85° horizontal and vertical viewing angle, 0.17952 mm pixel pitch Glossy, 72% NTSC colour gamut
PROCESSOR Dell Latitude 7640 Lenovo IdeaPad S540-13API (81XC)
CPU Intel Core i5 (13th Gen) 1345U / 1.6 GHz AMD Ryzen 7 3750H / 2.3 GHz
Max Turbo Speed 4.7 GHz 4 GHz
Number of Cores 10-core Quad-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 S540-13API (81XC)
RAM 16 GB (provided memory is soldered) 8 GB (provided memory is soldered)
RAM Type LPDDR5 SDRAM DDR4 SDRAM
Speed 4800 MHz 2400 MHz
Rated Speed 4800 MHz 2400 MHz
STORAGE Dell Latitude 7640 Lenovo IdeaPad S540-13API (81XC)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2230 PCIe 4.0 x4 - NVM Express (NVMe), Class 35 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Dell Latitude 7640 Lenovo IdeaPad S540-13API (81XC)
Graphics Processor (GPU) Intel Iris Xe Graphics AMD Radeon RX Vega 10
Video System Features Functions as Intel UHD graphics (for single-channel memory) -
Camera Yes - 1920 x 1080 (standard), 640 x 360 (infrared) Yes - 720p
Resolution - 1 Megapixel
Camera Features Privacy shutter, IR/RGB camera, Temporal Noise Reduction, 80 degrees, 86.6 degrees (IR camera) IR camera, fixed focus, ToF sensor
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 -
Compliant Standards High Definition Audio High Definition Audio, Dolby Audio
COMMUNICATIONS Dell Latitude 7640 Lenovo IdeaPad S540-13API (81XC)
Wireless Bluetooth, NFC, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac, Bluetooth 5.0
Wireless Controller Intel Wi-Fi 6E AX 211 M.2 Card
Features Dual stream (2x2), WWAN aerial Dual stream (2x2)
BATTERY Dell Latitude 7640 Lenovo IdeaPad S540-13API (81XC)
Technology 3-cell Lithium Ion Lithium Ion
Battery Capacity (Size) 57 Wh 56 Wh
Battery Life - Up to 14.7 hours
AC ADAPTER Dell Latitude 7640 Lenovo IdeaPad S540-13API (81XC)
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 S540-13API (81XC)
Type Keyboard, ClickPad Keyboard, touchpad
Keyboard Backlight Yes Yes
Features Mini LED backlit, 80-key Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Dell Latitude 7640 Lenovo IdeaPad S540-13API (81XC)
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 3.1 Gen 1 (Always On)
2 x USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery)
Headphone/microphone combo jack
SOFTWARE Dell Latitude 7640 Lenovo IdeaPad S540-13API (81XC)
Operating System (OS) Windows 11 Pro - Dutch / English / French / German / Italian Windows 10 Home 64-bit Edition - English
Software Included Microsoft Office (30 days trial, excludes office licence) Microsoft Office (30 days trial)
MISCELLANEOUS Dell Latitude 7640 Lenovo IdeaPad S540-13API (81XC)
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, RapidCharge
Compliant Standards FIPS 140-2, TCG Certified, TCO Certified 9.0 RoHS, Energy-Related Products (ErP) Lot 3
SAR Value - 0.599 W/kg (body), 0.599 W/kg (limb)
Specific Absorption Rate (SAR) - 0.599 W/kg (body)
0.599 W/kg (limb)
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
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