Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) vs. Lenovo Yoga 9 14IRP8 (83B1)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) and Lenovo Yoga 9 14IRP8 (83B1). 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 LTE (Lenovo Yoga C640) Review

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

long battery life

lightweight and portable

integrated LTE connectivity

responsive touchscreen display

solid build quality

limited storage capacity

average graphics performance

no optical drive

higher price point

Lenovo Yoga 9 14IRP8 (83B1) Review

Advantages and disadvantages of Lenovo Yoga 9 14IRP8 (83B1) based on its technical characteristics, features, user experience, expert reviews and price level.

superb 4k display

responsive touchscreen

powerful intel processor

rotating sound bar

stylish design

high price point

limited port selection

average battery life

heavier build

Laptop Comparison and Tests

Difference between Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) and Lenovo Yoga 9 14IRP8 (83B1)
81 % - Design
85 % - Display
75 % - Performance
85 % - Connectivity
85 % - Battery
81 % - Design
86 % - Display
86 % - Performance
86 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) vs. Lenovo Yoga 9 14IRP8 (83B1) Comparison Chart
DESIGN AND DIMENSIONS Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) Lenovo Yoga 9 14IRP8 (83B1)
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 Storm grey
DISPLAY Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) Lenovo Yoga 9 14IRP8 (83B1)
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) 2880 x 1800 (2.8K)
V-Sync Rate at Max Res. - 90 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 300 cd/m² 400 cd/m²
Colour Gamut 72% NTSC 100% DCI-P3
Features Anti-glare Glossy, capacitive touch screen, Eyesafe technology, HDR 500 True Black, Dolby Vision
PROCESSOR Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) Lenovo Yoga 9 14IRP8 (83B1)
CPU Intel Core i5 (10th Gen) 10210U / 1.6 GHz Intel Core i7 (13th Gen) 1360P / 2.2 GHz
Max Turbo Speed 4.2 GHz 5 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 LTE (Lenovo Yoga C640) Lenovo Yoga 9 14IRP8 (83B1)
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 LTE (Lenovo Yoga C640) Lenovo Yoga 9 14IRP8 (83B1)
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 LTE (Lenovo Yoga C640) Lenovo Yoga 9 14IRP8 (83B1)
Graphics Processor (GPU) Intel UHD Graphics Intel Iris Xe Graphics
Memory Allocation Technology Shared Video Memory (UMA) -
Max Monitors Supported 1 external monitor(s) 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 tweeters, two woofers, dual array microphone
Codec - Realtek ALC3306
Compliant Standards High Definition Audio, Dolby Atmos High Definition Audio, Dolby Atmos
Audio Features - Output: Bowers & Wilkins speakers, Smart Amplifier (AMP); Input: noise-cancellation technology
COMMUNICATIONS Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) Lenovo Yoga 9 14IRP8 (83B1)
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)
WWAN
Generation 4G -
Technology LTE Advanced -
Controller FIBOCOM L850-GL - M.2 Card -
BATTERY Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) Lenovo Yoga 9 14IRP8 (83B1)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 60 Wh 75 Wh
Battery Life Up to 22 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 LTE (Lenovo Yoga C640) Lenovo Yoga 9 14IRP8 (83B1)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt 100 Watt
INPUT Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) Lenovo Yoga 9 14IRP8 (83B1)
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 glass touchpad
CONNECTIONS & EXPANSIONS Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) Lenovo Yoga 9 14IRP8 (83B1)
Slots 1 x Nano-SIM card (1 free) -
Interfaces USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode)
2 x USB 3.1 Gen 1
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 USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
SOFTWARE Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) Lenovo Yoga 9 14IRP8 (83B1)
Operating System (OS) Windows 10 Pro 64-bit Edition - English Windows 11 Home - English
Software Included Microsoft Office 365 Personal Microsoft Office (Trial)
MISCELLANEOUS Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) Lenovo Yoga 9 14IRP8 (83B1)
Included Accessories Power adapter, Lenovo Digital Pen USB-C slim power adapter, Lenovo Precision Pen 2, Lenovo Yoga 14-inch sleeve
Bundled with - Lenovo USB-C 3-in-1 Hub
Integrated Options Proximity sensor, G-sensor Accelerometer, ambient light sensor, hall sensor
Security Fingerprint reader Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Features Administrator password, hard drive password, power-on password Administrator password, hard drive password, MIL-STD-810H tested, Rapid Charge Boost, self-healing BIOS
Navigation Receiver GPS -
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS, Energy-Related Products (ErP) Lot 3, Energy-Related Products (ErP) Lot 26, TUV Rheinland Low Blue Light (Hardware Solution)
SAR Value 1.4 W/kg (body), 1.4 W/kg (limb) -
ENERGY STAR Certified Yes -
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 Limited warranty - 1 year - pick-up and return
Model Number 13IML LTE 81XL -
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