Dell Latitude 7640 vs. Lenovo ThinkPad Z13 Gen 1 (21D3)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Dell Latitude 7640 and Lenovo ThinkPad Z13 Gen 1 (21D3). 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 ThinkPad Z13 Gen 1 (21D3) Review

Advantages and disadvantages of Lenovo ThinkPad Z13 Gen 1 (21D3) based on its technical characteristics, features, user experience, expert reviews and price level.

excellent build quality

powerful amd processor

bright oled display

eco-friendly materials

solid security features

higher price point

limited port selection

no dedicated gpu

average battery life

Laptop Comparison and Tests

Difference between Dell Latitude 7640 and Lenovo ThinkPad Z13 Gen 1 (21D3)
82 % - Design
85 % - Display
84 % - Performance
85 % - Connectivity
85 % - Battery
81 % - Design
84 % - Display
80 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Dell Latitude 7640 vs. Lenovo ThinkPad Z13 Gen 1 (21D3) Comparison Chart
DESIGN AND DIMENSIONS Dell Latitude 7640 Lenovo ThinkPad Z13 Gen 1 (21D3)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.8 cm x 25.042 cm x 1.95 cm 29.44 cm x 19.96 cm x 1.399 cm
Weight 1.837 kg 1.26 kg
Case Material Aluminum Aluminium (top), aluminium (bottom)
Colour - Black (bottom), arctic grey (top)
DISPLAY Dell Latitude 7640 Lenovo ThinkPad Z13 Gen 1 (21D3)
Screen Size (Type) 16" - IPS 13.3" OLED
Touchscreen - Yes (10-point multi-touch)
Screen Resolution 1920 x 1200 (Full HD Plus) 2880 x 1800 (2.8K)
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 500 cd/m²
Colour Gamut 45% NTSC 100% DCI-P3
Features Anti-glare, 35 ms response rate, 85° horizontal and vertical viewing angle, 0.17952 mm pixel pitch Anti-reflective, One Glass Solution, anti-smudge, on-cell touch technology, Low Blue Light technology, Dolby Vision, 91.6% screen-to-body ratio
PROCESSOR Dell Latitude 7640 Lenovo ThinkPad Z13 Gen 1 (21D3)
CPU Intel Core i5 (13th Gen) 1345U / 1.6 GHz AMD Ryzen 7 Pro 6850U / 2.7 GHz
Max Turbo Speed 4.7 GHz 4.7 GHz
Number of Cores 10-core 8-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 Z13 Gen 1 (21D3)
RAM 16 GB (provided memory is soldered) 32 GB (provided memory is soldered)
RAM Type LPDDR5 SDRAM LPDDR5 SDRAM
Speed 4800 MHz 6400 MHz
Rated Speed 4800 MHz 6400 MHz
STORAGE Dell Latitude 7640 Lenovo ThinkPad Z13 Gen 1 (21D3)
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 - Union Memory
AUDIO & VIDEO Dell Latitude 7640 Lenovo ThinkPad Z13 Gen 1 (21D3)
Graphics Processor (GPU) Intel Iris Xe Graphics AMD Radeon 680M
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) Windows Hello, fixed focus, e-camera shutter, Discrete IR
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 ALC3306
Compliant Standards High Definition Audio High Definition Audio, Dolby Atmos
Audio Features - Input: Dolby Voice, 360° far-field
COMMUNICATIONS Dell Latitude 7640 Lenovo ThinkPad Z13 Gen 1 (21D3)
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 Z13 Gen 1 (21D3)
Technology 3-cell Lithium Ion 3-cell lithium polymer
Battery Capacity (Size) 57 Wh 51.5 Wh
AC ADAPTER Dell Latitude 7640 Lenovo ThinkPad Z13 Gen 1 (21D3)
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 Z13 Gen 1 (21D3)
Type Keyboard, ClickPad Keyboard, TrackPoint, UltraNav
Keyboard Backlight Yes Yes
Features Mini LED backlit, 80-key Spill-resistant, multi-touch touchpad, edge-to-edge backlit keyboard, Fn keys with Unified Communications controls, glass touchpad, Haptic ForcePad
CONNECTIONS & EXPANSIONS Dell Latitude 7640 Lenovo ThinkPad Z13 Gen 1 (21D3)
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 DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
LAN (on supplied adapter)
SOFTWARE Dell Latitude 7640 Lenovo ThinkPad Z13 Gen 1 (21D3)
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 Z13 Gen 1 (21D3)
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 -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features ExpressCharge, ExpressChargeBoost Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication
Compliant Standards FIPS 140-2, TCG Certified, TCO Certified 9.0 RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCO Certified 9.0
Carbon Footprint - 216 kg carbon emissions (EU)
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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