Detailed comparison and review of Lenovo Yoga C640-13IML (Lenovo Yoga C640) and Lenovo ThinkPad X1 Yoga Gen 7 (21CD). 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.
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
Advantages and disadvantages of Lenovo ThinkPad X1 Yoga Gen 7 (21CD) based on its technical characteristics, features, user experience, expert reviews and price level.
versatile convertible design
high-quality display
robust build quality
excellent keyboard feel
good battery life
higher price point
limited graphics performance
heavier than competitors
noisy under load
| DESIGN AND DIMENSIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo ThinkPad X1 Yoga Gen 7 (21CD) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 30.6 cm x 20.448 cm x 1.695 cm | 31.44 cm x 22.23 cm x 1.553 cm |
| Weight | 1.35 kg | 1.38 kg |
| Case Material | Aluminum, polycarbonate, glass-fibre | Aluminium (top), aluminium (bottom) |
| Colour | Iron grey | Storm grey |
| DISPLAY | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo ThinkPad X1 Yoga Gen 7 (21CD) |
|---|
| Screen Size (Type) | 13.3" - IPS | 14" - 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 | 400 cd/m² |
| Colour Gamut | 72% NTSC | 100% sRGB |
| Features | Anti-glare, 72% NTSC colour gamut | Anti-glare, 170° viewing angle, Low Power, Eyesafe technology, OGS Technology |
| PROCESSOR | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo ThinkPad X1 Yoga Gen 7 (21CD) |
|---|
| CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel Core i5 (12th Gen) 1240P / 1.7 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 4.4 GHz |
| Number of Cores | Quad-Core | 12-core |
| Cache | 6 MB | 12 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 ThinkPad X1 Yoga Gen 7 (21CD) |
|---|
| 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 | 6400 MHz |
| STORAGE | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo ThinkPad X1 Yoga Gen 7 (21CD) |
|---|
| 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 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo ThinkPad X1 Yoga Gen 7 (21CD) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| 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, two tweeters, two woofers, quad array microphone |
| Codec | - | Realtek ALC3306 |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Atmos, Dolby Voice |
| COMMUNICATIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo ThinkPad X1 Yoga Gen 7 (21CD) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | NFC, Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Wi-Fi 6E AX 211 |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G upgradable |
|---|
| BATTERY | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo ThinkPad X1 Yoga Gen 7 (21CD) |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 60 Wh | 57 Wh |
| Battery Life | Up to 20 hours | Up to 24.5 hours |
| AC ADAPTER | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo ThinkPad X1 Yoga Gen 7 (21CD) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 65 Watt |
| INPUT | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo ThinkPad X1 Yoga Gen 7 (21CD) |
|---|
| 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, glass touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo ThinkPad X1 Yoga Gen 7 (21CD) |
|---|
| 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 1.4a Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack HDMI |
| SOFTWARE | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo ThinkPad X1 Yoga Gen 7 (21CD) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 11 Pro - English |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Intel Connectivity Performance Suite |
| MISCELLANEOUS | Lenovo Yoga C640-13IML (Lenovo Yoga C640) | Lenovo ThinkPad X1 Yoga Gen 7 (21CD) |
|---|
| Included Accessories | Power adapter, Lenovo Active Pen | USB-C power adapter, Lenovo Integrated Pen |
|---|---|---|
| Integrated Options | Accelerometer | Accelerometer, proximity sensor |
| 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, Firmware Resiliency 3.0 |
| Compliant Standards | RoHS | RoHS, Energy-Related Products (ErP) Lot 3 |
| 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 | Base warranty - 3 years - pick-up and return Extended warranty - 3 years - on-site Limited warranty - battery - 1 year |
| Model Number | 13IML 81UE | - |
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