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.
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
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
DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Yoga Gen 7 (21CE) | Lenovo IdeaPad C340-14IML (81TK) |
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Product Type | Notebook - flip design | Notebook - flip design |
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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) |
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Screen Size (Type) | 14" - IPS | 14" - TN |
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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) |
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CPU | Intel Core i5 (12th Gen) 1240P / 1.7 GHz | Intel Core i3 (10th Gen) 10110U / 2.1 GHz |
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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) |
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RAM | 16 GB (provided memory is soldered) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
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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) |
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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) |
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AUDIO & VIDEO | Lenovo ThinkPad X1 Yoga Gen 7 (21CE) | Lenovo IdeaPad C340-14IML (81TK) |
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Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel UHD Graphics |
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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) |
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Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 4.2 |
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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) |
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Technology | 4-cell lithium polymer | Lithium Ion |
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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) |
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Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 65 Watt, 5 / 9 / 15 / 20 V | 65 Watt |
INPUT | Lenovo ThinkPad X1 Yoga Gen 7 (21CE) | Lenovo IdeaPad C340-14IML (81TK) |
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Type | Keyboard, digitizer, TrackPoint, digital pen, UltraNav | Keyboard, touchpad |
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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) |
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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 |
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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) |
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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 |
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Software Included | - | Microsoft Office (Trial) |
MISCELLANEOUS | Lenovo ThinkPad X1 Yoga Gen 7 (21CE) | Lenovo IdeaPad C340-14IML (81TK) |
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Included Accessories | USB-C power adapter, Lenovo Integrated Pen | Power adapter |
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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 |