Detailed comparison and review of Lenovo ThinkPad X1 Carbon Gen 10 (21CB) and Lenovo IdeaPad 520-15IKB (80YL). 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 ThinkPad X1 Carbon Gen 10 (21CB) based on its technical characteristics, features, user experience, expert reviews and price level.
ultra-lightweight design
impressive battery life
robust security features
high-resolution display
powerful processor performance
higher price point
limited port variety
no dedicated GPU
average speaker quality
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) | Lenovo IdeaPad 520-15IKB (80YL) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31.56 cm x 22.25 cm x 1.536 cm | 37.8 cm x 26 cm x 2.2 cm |
| Weight | 1.12 kg | 2.2 kg |
| Case Material | Aluminium (bottom), carbon fibre (top) | Metal |
| Colour | Deep black weave | Iron grey |
| DISPLAY | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) | Lenovo IdeaPad 520-15IKB (80YL) |
|---|
| Screen Size (Type) | 14" OLED | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 2880 x 1800 (2.8K) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 400 cd/m² | 250 cd/m² |
| Colour Gamut | 100% DCI-P3 | - |
| Features | Anti-glare, anti-reflective, anti-smudge, 170° viewing angle, Eyesafe technology, HDR 500 True Black | Anti-glare |
| PROCESSOR | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) | Lenovo IdeaPad 520-15IKB (80YL) |
|---|
| CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz | Intel Core i5 (7th Gen) 7200U / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 3.1 GHz |
| Number of Cores | 10-core | Dual-Core |
| Cache | 12 MB | 3 MB |
| 64-bit Computing | - | Yes |
| Platform Technology | Intel Evo | - |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) | Lenovo IdeaPad 520-15IKB (80YL) |
|---|
| RAM | 16 GB (provided memory is soldered) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | - | 16 GB |
| RAM Type | LPDDR5 SDRAM | DDR4 SDRAM |
| Speed | 5200 MHz | 2133 MHz |
| Rated Speed | 5200 MHz | 2400 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) | Lenovo IdeaPad 520-15IKB (80YL) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Performance | 256 GB SSD 2.5" SATA 6Gb/s |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) | Lenovo IdeaPad 520-15IKB (80YL) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | NVIDIA GeForce 940MX / Intel HD Graphics 620 |
| Max Monitors Supported | 3 external monitor(s) | - |
| Video Memory | - | 2 GB GDDR5 SDRAM |
| Camera | Yes - 1080p | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | Privacy shutter, IR camera, fixed focus, MIPI, Computer Vision | - |
| Sound | Two tweeters, two woofers, quad array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3306 | - |
| Compliant Standards | High Definition Audio, Dolby Atmos, Dolby Voice | High Definition Audio, Dolby Audio |
| Audio Features | - | Output: Harman audio technology |
| COMMUNICATIONS | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) | Lenovo IdeaPad 520-15IKB (80YL) |
|---|
| Wireless | NFC, Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | Intel Dual Band Wireless-AC 3165 - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Features | Dual stream (2x2) | - |
| WWAN |
|---|
| Generation | 4G upgradable | - |
|---|
| BATTERY | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) | Lenovo IdeaPad 520-15IKB (80YL) |
|---|
| Technology | Lithium polymer | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 30 Wh |
| Battery Life | Up to 24.9 hours | Up to 6 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) | Lenovo IdeaPad 520-15IKB (80YL) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt, 20 V, 3.25 A |
| INPUT | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) | Lenovo IdeaPad 520-15IKB (80YL) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad, air intake key design | - |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) | Lenovo IdeaPad 520-15IKB (80YL) |
|---|
| Slots | 1 x Nano-SIM card (1 free) | - |
|---|---|---|
| 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-C 2 x USB 3.0 HDMI LAN Headphone/microphone combo jack |
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) | Lenovo IdeaPad 520-15IKB (80YL) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 10 Home 64-bit Edition |
|---|---|---|
| Software Included | Glance by Mirametrix, Intel Connectivity Performance Suite | - |
| MISCELLANEOUS | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) | Lenovo IdeaPad 520-15IKB (80YL) |
|---|
| Included Accessories | USB-C slim power adapter | Power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Fingerprint reader |
| Security Slot Type | Kensington nano security slot | Kensington mini security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | 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 |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified | RoHS |
| 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 | Base warranty - 3 years - pick-up and return Limited warranty - battery - 1 year Extended warranty - 3 years - on-site |
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