Lenovo Yoga C640-13IML (Lenovo Yoga C640) vs. Lenovo Yoga 9 14IAP7 (82LU)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo Yoga C640-13IML (Lenovo Yoga C640) and Lenovo Yoga 9 14IAP7 (82LU). 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.

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 Yoga 9 14IAP7 (82LU) Review

Advantages and disadvantages of Lenovo Yoga 9 14IAP7 (82LU) based on its technical characteristics, features, user experience, expert reviews and price level.

superb 4k display

rotating sound bar

responsive touchscreen

premium build quality

efficient thermal management

higher price point

moderate battery life

limited port selection

heavier than competitors

Laptop Comparison and Tests

Difference between Lenovo Yoga C640-13IML (Lenovo Yoga C640) and Lenovo Yoga 9 14IAP7 (82LU)
86 % - Design
72 % - Display
75 % - Performance
84 % - Connectivity
85 % - Battery
82 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo Yoga C640-13IML (Lenovo Yoga C640) vs. Lenovo Yoga 9 14IAP7 (82LU) Comparison Chart
DESIGN AND DIMENSIONS Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo Yoga 9 14IAP7 (82LU)
Product Type Notebook - flip design Notebook - flip design
Dimensions (WxDxH) 30.6 cm x 20.448 cm x 1.695 cm 31.8 cm x 23 cm x 1.525 cm
Weight 1.35 kg 1.4 kg
Case Material Aluminum, polycarbonate, glass-fibre Aluminium (top), aluminium (bottom)
Colour Iron grey Oatmeal
DISPLAY Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo Yoga 9 14IAP7 (82LU)
Screen Size (Type) 13.3" - IPS 14" OLED
Touchscreen Yes (10-point multi-touch) Yes (10-point multi-touch)
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 3840 x 2400 (4K)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 400 cd/m² 400 cd/m²
Colour Gamut 72% NTSC 100% DCI-P3
Features Anti-glare, 72% NTSC colour gamut Glossy, Direct Bonding technology, capacitive touch screen, 170° viewing angle, HDR 500 True Black, one glass metal mesh (OGM), Dolby Vision, VESA DisplayHDR 500
PROCESSOR Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo Yoga 9 14IAP7 (82LU)
CPU Intel Core i5 (10th Gen) 10210U / 1.6 GHz Intel Core i7 (12th Gen) 1260P / 2.1 GHz
Max Turbo Speed 4.2 GHz 4.7 GHz
Number of Cores Quad-Core 12-core
Cache 6 MB 18 MB
64-bit Computing Yes -
Platform Technology - Intel Evo
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo Yoga 9 14IAP7 (82LU)
RAM 8 GB (provided memory is soldered) 16 GB (provided memory is soldered)
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed 2400 MHz 5200 MHz
Rated Speed 2400 MHz 5200 MHz
STORAGE Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo Yoga 9 14IAP7 (82LU)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) 1 TB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo Yoga 9 14IAP7 (82LU)
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, ToF sensor
Sound Stereo speakers, dual array microphone Two subwoofers, two tweeters, dual array microphone
Codec - Realtek ALC3306
Compliant Standards High Definition Audio, Dolby Atmos High Definition Audio, Dolby Atmos
Audio Features - Noise-cancellation technology, Bowers & Wilkins speakers, woofers on the side, front-facing tweeters on hinge bar
COMMUNICATIONS Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo Yoga 9 14IAP7 (82LU)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller M.2 Card -
Features Dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo Yoga 9 14IAP7 (82LU)
Technology Lithium Ion Lithium polymer
Battery Capacity (Size) 60 Wh 75 Wh
Battery Life Up to 20 hours Up to 14 hours
Battery Run Time - Local video (1080p) playback time (150 nits): up to 14 hours
AC ADAPTER Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo Yoga 9 14IAP7 (82LU)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt 100 Watt
INPUT Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo Yoga 9 14IAP7 (82LU)
Type Keyboard, digitizer, touchpad, digital pen Keyboard, digitizer, touchpad, digital pen
Keyboard Backlight Yes Yes
Features Multi-touch touchpad, buttonless touchpad Multi-touch touchpad, buttonless touchpad, precision touchpad, glass touchpad
CONNECTIONS & EXPANSIONS Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo Yoga 9 14IAP7 (82LU)
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 2
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
2 x Thunderbolt 4 (supports DisplayPort 1.4) (Power Delivery 3.0)
Headphone/microphone combo jack
SOFTWARE Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo Yoga 9 14IAP7 (82LU)
Operating System (OS) Windows 10 Home 64-bit Edition - English Windows 11 Home - English
Software Included Microsoft Office (Trial) Microsoft Office (Trial)
MISCELLANEOUS Lenovo Yoga C640-13IML (Lenovo Yoga C640) Lenovo Yoga 9 14IAP7 (82LU)
Included Accessories Power adapter, Lenovo Active Pen USB-C slim power adapter, Lenovo Precision Pen 2, Lenovo Yoga 14-inch sleeve
Integrated Options Accelerometer Accelerometer, ambient light sensor, hall sensor
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Features Administrator password, power-on password Administrator password, hard drive password, Rapid Charge Boost, self-healing BIOS, Lenovo Voice Assistant (LVA)
Compliant Standards RoHS RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Hardware Solution)
SAR Value 0.32 W/kg (body), 0.32 W/kg (limb) -
ENERGY STAR Certified Yes Yes
EPEAT Compliant - EPEAT Silver
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 Base warranty - 1 year - pick-up and return
Extended warranty - 2 years - on-site
Model Number 13IML 81UE -
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