Lenovo ThinkPad X1 Yoga Gen 7 (21CE) vs. Lenovo IdeaPad C340-14IML (81TK)

Laptop Comparison, Reviews and Tests
Lenovo ThinkPad X1 Yoga Gen 7 (21CE)
Lenovo ThinkPad X1 Yoga Gen 7 (21CE)

Our Rating: 85 %

Side by side comparison and review of Lenovo ThinkPad X1 Yoga Gen 7 (21CE) and Lenovo IdeaPad C340-14IML (81TK). 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 ThinkPad X1 Yoga Gen 7 (21CE) Review

Advantages and disadvantages of Lenovo ThinkPad X1 Yoga Gen 7 (21CE) based on its technical characteristics, features, user experience, expert reviews and price level.

excellent build quality

versatile 2-in-1 design

impressive battery life

superior keyboard comfort

high-resolution display

higher price point

limited graphics performance

no SD card slot

moderate storage options

Lenovo IdeaPad C340-14IML (81TK) Review

Advantages and disadvantages of Lenovo IdeaPad C340-14IML (81TK) based on its technical characteristics, features, user experience, expert reviews and price level.

flexible 2-in-1 design

responsive touchscreen display

decent battery life

solid build quality

affordable price

moderate processor speed

limited graphics performance

basic audio quality

heavier than competitors

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X1 Yoga Gen 7 (21CE) and Lenovo IdeaPad C340-14IML (81TK)
86 % - Design
84 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
81 % - Design
72 % - Display
72 % - Performance
72 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X1 Yoga Gen 7 (21CE) vs. Lenovo IdeaPad C340-14IML (81TK) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X1 Yoga Gen 7 (21CE) Lenovo IdeaPad C340-14IML (81TK)
Product Type Notebook - flip design Notebook - flip design
Dimensions (WxDxH) 31.44 cm x 22.23 cm x 1.553 cm 32.8 cm x 22.9 cm x 1.79 cm
Weight 1.38 kg 1.65 kg
Case Material Aluminium (top), aluminium (bottom) Polycarbonate, polycarbonate ABS, glass-fibre
Colour Storm grey Onyx black
DISPLAY Lenovo ThinkPad X1 Yoga Gen 7 (21CE) Lenovo IdeaPad C340-14IML (81TK)
Screen Size (Type) 14" - IPS 14" - TN
Touchscreen Yes (10-point multi-touch) Yes (10-point multi-touch)
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1200 (WUXGA) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 400 cd/m² 220 cd/m²
Colour Gamut 100% sRGB 45% NTSC
Features Anti-glare, One Glass Solution, 170° viewing angle, Low Power, Eyesafe technology Glossy
PROCESSOR Lenovo ThinkPad X1 Yoga Gen 7 (21CE) Lenovo IdeaPad C340-14IML (81TK)
CPU Intel Core i5 (12th Gen) 1240P / 1.7 GHz Intel Core i3 (10th Gen) 10110U / 2.1 GHz
Max Turbo Speed 4.4 GHz 4.1 GHz
Number of Cores 12-core Dual-Core
Cache 12 MB 4 MB
64-bit Computing - Yes
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad X1 Yoga Gen 7 (21CE) Lenovo IdeaPad C340-14IML (81TK)
RAM 16 GB (provided memory is soldered) 8 GB (1 x 4 GB + 4 GB (soldered))
Max RAM Supported - 20 GB
RAM Type LPDDR5 SDRAM DDR4 SDRAM
Speed 5200 MHz 2666 MHz
Rated Speed 5200 MHz 2666 MHz
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 0
STORAGE Lenovo ThinkPad X1 Yoga Gen 7 (21CE) Lenovo IdeaPad C340-14IML (81TK)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad X1 Yoga Gen 7 (21CE) Lenovo IdeaPad C340-14IML (81TK)
Graphics Processor (GPU) Intel Iris Xe Graphics Intel UHD Graphics
Max Monitors Supported 3 external monitor(s) -
Camera Yes - 1080p Yes - 720p
Camera Features Privacy shutter, IR camera, fixed focus -
Sound Two tweeters, two woofers, quad array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3306 -
Compliant Standards High Definition Audio, Dolby Atmos High Definition Audio, Dolby Audio
COMMUNICATIONS Lenovo ThinkPad X1 Yoga Gen 7 (21CE) Lenovo IdeaPad C340-14IML (81TK)
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac, Bluetooth 4.2
Wireless Controller Intel Wi-Fi 6E AX 211 M.2 Card
Features - Single stream (1x1)
BATTERY Lenovo ThinkPad X1 Yoga Gen 7 (21CE) Lenovo IdeaPad C340-14IML (81TK)
Technology 4-cell lithium polymer Lithium Ion
Battery Capacity (Size) 57 Wh 45 Wh
Battery Life Up to 24.5 hours Up to 10.5 hours
AC ADAPTER Lenovo ThinkPad X1 Yoga Gen 7 (21CE) Lenovo IdeaPad C340-14IML (81TK)
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 Lenovo ThinkPad X1 Yoga Gen 7 (21CE) Lenovo IdeaPad C340-14IML (81TK)
Type Keyboard, digitizer, TrackPoint, digital pen, UltraNav Keyboard, touchpad
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X1 Yoga Gen 7 (21CE) Lenovo IdeaPad C340-14IML (81TK)
Interfaces USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
USB 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
USB-C 3.1 Gen 1
HDMI
Headphone/microphone combo jack
Memory Card Reader - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Lenovo ThinkPad X1 Yoga Gen 7 (21CE) Lenovo IdeaPad C340-14IML (81TK)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence Windows 10 Home 64-bit Edition - English
Software Included - Microsoft Office (Trial)
MISCELLANEOUS Lenovo ThinkPad X1 Yoga Gen 7 (21CE) Lenovo IdeaPad C340-14IML (81TK)
Included Accessories USB-C power adapter, Lenovo Integrated Pen Power adapter
Integrated Options Accelerometer, proximity sensor -
Security Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware 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, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0 Administrator password, hard drive password, power-on password, RapidCharge
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS, Energy-Related Products (ErP) Lot 3
SAR Value - 0.82 W/kg (body), 0.82 W/kg (limb)
ENERGY STAR Certified 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
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