Lenovo Yoga C640-13IML (Lenovo Yoga C640) vs. Lenovo ThinkPad X13 Yoga Gen 3 (21AX)

Laptop Comparison, Reviews and Tests
Lenovo ThinkPad X13 Yoga Gen 3 (21AX)
Lenovo ThinkPad X13 Yoga Gen 3 (21AX)

Our Rating: 85 %

Detailed comparison and review of Lenovo Yoga C640-13IML (Lenovo Yoga C640) and Lenovo ThinkPad X13 Yoga Gen 3 (21AX). 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.

Lenovo Yoga C640-13IML (Lenovo Yoga C640) Review

Advantages and disadvantages of Lenovo Yoga C640-13IML (Lenovo Yoga C640) based on its technical characteristics, features, user experience, expert reviews and price level.

long battery life

lightweight design

responsive touchscreen

solid build quality

fast charging support

limited port selection

average speaker quality

no dedicated GPU

higher price point

Lenovo ThinkPad X13 Yoga Gen 3 (21AX) Review

Advantages and disadvantages of Lenovo ThinkPad X13 Yoga Gen 3 (21AX) based on its technical characteristics, features, user experience, expert reviews and price level.

highly flexible design

robust build quality

responsive touchscreen

excellent keyboard feel

good battery life

limited graphics power

high price point

moderate storage capacity

noisy under load

Laptop Comparison and Tests

Difference between Lenovo Yoga C640-13IML (Lenovo Yoga C640) and Lenovo ThinkPad X13 Yoga Gen 3 (21AX)
86 % - Design
72 % - Display
75 % - Performance
84 % - Connectivity
85 % - Battery
85 % - Design
85 % - Display
85 % - Performance
86 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo Yoga C640-13IML (Lenovo Yoga C640) vs. Lenovo ThinkPad X13 Yoga Gen 3 (21AX) Comparison Chart
DESIGN AND DIMENSIONS Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo ThinkPad X13 Yoga Gen 3 (21AX)
Product Type Notebook - flip design Notebook - flip design
Dimensions (WxDxH) 30.6 cm x 20.448 cm x 1.695 cm 30.5 cm x 21.415 cm x 1.59 cm
Weight 1.35 kg 1.19 kg
Case Material Aluminum, polycarbonate, glass-fibre Carbon fibre hybrid (top), carbon fibre hybrid (bottom)
Colour Iron grey Thunder black
DISPLAY Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo ThinkPad X13 Yoga Gen 3 (21AX)
Screen Size (Type) 13.3" - IPS 13.3" - IPS
Touchscreen Yes (10-point multi-touch) Yes (10-point multi-touch)
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1200 (WUXGA)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 400 cd/m² 300 cd/m²
Colour Gamut 72% NTSC 100% sRGB
Features Anti-glare, 72% NTSC colour gamut Anti-reflective, anti-smudge, capacitive touch screen, 170° viewing angle
PROCESSOR Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo ThinkPad X13 Yoga Gen 3 (21AX)
CPU Intel Core i5 (10th Gen) 10210U / 1.6 GHz Intel Core i5 (12th Gen) 1235U / 1.3 GHz
Max Turbo Speed 4.2 GHz 4.4 GHz
Number of Cores Quad-Core 10-core
Cache 6 MB 12 MB
64-bit Computing Yes -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo ThinkPad X13 Yoga Gen 3 (21AX)
RAM 8 GB (provided memory is soldered) 8 GB (provided memory is soldered)
RAM Type DDR4 SDRAM LPDDR4X SDRAM
Speed 2400 MHz 4266 MHz
Rated Speed 2400 MHz 4266 MHz
STORAGE Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo ThinkPad X13 Yoga Gen 3 (21AX)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia
AUDIO & VIDEO Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo ThinkPad X13 Yoga Gen 3 (21AX)
Graphics Processor (GPU) Intel UHD Graphics Intel Iris Xe Graphics
Max Monitors Supported - 3 external monitor(s)
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 720p Yes - 1080p
Camera Features Privacy shutter Privacy shutter, IR camera, Windows Hello, fixed focus
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3306
Compliant Standards High Definition Audio, Dolby Atmos High Definition Audio, Dolby Audio, Dolby Voice
COMMUNICATIONS Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo ThinkPad X13 Yoga Gen 3 (21AX)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller M.2 Card Intel Wi-Fi 6E AX 211
Network Interface - Gigabit Ethernet
Features Dual stream (2x2) -
WWAN
Generation - 4G
Technology - LTE
Controller - Quectel EM05-G - M.2 Card
BATTERY Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo ThinkPad X13 Yoga Gen 3 (21AX)
Technology Lithium Ion 3-cell lithium polymer
Battery Capacity (Size) 60 Wh 52.8 Wh
Battery Life Up to 20 hours -
AC ADAPTER Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo ThinkPad X13 Yoga Gen 3 (21AX)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt 65 Watt, 5 / 9 / 15 / 20 V
INPUT Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo ThinkPad X13 Yoga Gen 3 (21AX)
Type Keyboard, digitizer, touchpad, digital pen Keyboard, digitizer, TrackPoint, digital pen, UltraNav
Keyboard Backlight Yes Yes
Features Multi-touch touchpad, buttonless touchpad Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo ThinkPad X13 Yoga Gen 3 (21AX)
Slots - 1 x Nano-SIM card (1 free)
Interfaces 2 x USB 3.1 Gen 1
USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode)
Headphone/microphone combo jack
USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
2 x USB4 (supports Thunderbolt 4, DisplayPort 2.0 Alt Mode) (Power Delivery 3.0)
HDMI
LAN (on supplied adapter)
Headphone/microphone combo jack
SOFTWARE Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo ThinkPad X13 Yoga Gen 3 (21AX)
Operating System (OS) Windows 10 Home 64-bit Edition - English Windows 11 Pro
Software Included Microsoft Office (Trial) -
MISCELLANEOUS Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo ThinkPad X13 Yoga Gen 3 (21AX)
Included Accessories Power adapter, Lenovo Active Pen USB-C power adapter, USB-C to Ethernet adapter, Lenovo Integrated Pen
Integrated Options Accelerometer -
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type - Kensington nano security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features Administrator password, power-on password Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication
Compliant Standards RoHS RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified
SAR Value 0.32 W/kg (body), 0.32 W/kg (limb) -
ENERGY STAR Certified Yes Yes
EPEAT Compliant - EPEAT Gold
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
Model Number 13IML 81UE -
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