In depth comparison and review of Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) and Lenovo ThinkPad C13 Yoga Gen 1 Chromebook (20UY). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
DESIGN AND DIMENSIONS | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | Lenovo ThinkPad C13 Yoga Gen 1 Chromebook (20UY) |
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Product Type | Chromebook | Chromebook - flip design |
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Dimensions (WxDxH) | 32.8 cm x 22.5 cm x 1.77 cm | 30.7 cm x 21.21 cm x 1.79 cm |
Weight | 1.48 kg | 1.497 kg |
Case Material | Aluminum, polycarbonate ABS | Aluminum |
Colour | Mineral grey | Abyss blue |
DISPLAY | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | Lenovo ThinkPad C13 Yoga Gen 1 Chromebook (20UY) |
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Screen Size (Type) | 14" - TN | 13.3" OLED |
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Touchscreen | - | Yes (10-point multi-touch) |
LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2160 (Ultra HD 4K) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 220 cd/m² | 400 cd/m² |
Colour Gamut | - | 100% DCI-P3 |
Features | Anti-glare | Anti-reflective, anti-smudge, capacitive touch screen, 170° viewing angle |
PROCESSOR | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | Lenovo ThinkPad C13 Yoga Gen 1 Chromebook (20UY) |
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CPU | AMD A4 9120C / 1.6 GHz | AMD Ryzen 7 3700C / 2.3 GHz |
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Max Turbo Speed | 2.4 GHz | 4 GHz |
Number of Cores | Dual-Core | Quad-Core |
Cache | L2 - 1 MB | L3 - 4 MB |
64-bit Computing | Yes | Yes |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | Lenovo ThinkPad C13 Yoga Gen 1 Chromebook (20UY) |
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RAM | 4 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
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RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 1666 MHz | 2400 MHz |
Rated Speed | 1666 MHz | 3200 MHz |
STORAGE | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | Lenovo ThinkPad C13 Yoga Gen 1 Chromebook (20UY) |
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Main Storage Size (HDD/SSD) | 32 GB eMMC - eMMC 5.1 | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - Samsung |
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AUDIO & VIDEO | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | Lenovo ThinkPad C13 Yoga Gen 1 Chromebook (20UY) |
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Graphics Processor (GPU) | AMD Radeon R4 | AMD Radeon Graphics |
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Memory Allocation Technology | - | Shared Video Memory (UMA) |
Camera | Yes - 720p | Yes - 720p (front) |
Resolution | 1 Megapixel | 5 Megapixel (rear) |
Camera Features | - | Rear camera with auto focus, fixed focus, ThinkShutter camera privacy |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | MAX98357A | - |
Compliant Standards | High Definition Audio | High Definition Audio |
COMMUNICATIONS | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | Lenovo ThinkPad C13 Yoga Gen 1 Chromebook (20UY) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
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Wireless Controller | Qualcomm QCA6174A - M.2 Card | Intel Wi-Fi 6 AX 200 |
Features | Dual stream (2x2) | - |
BATTERY | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | Lenovo ThinkPad C13 Yoga Gen 1 Chromebook (20UY) |
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Technology | Lithium Ion | 4-cell lithium polymer |
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Battery Capacity (Size) | 57 Wh | 51 Wh |
Battery Life | Up to 10 hours | Up to 12.5 hours |
AC ADAPTER | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | Lenovo ThinkPad C13 Yoga Gen 1 Chromebook (20UY) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 45 Watt | 65 Watt, 5 / 9 / 15 / 20 V |
INPUT | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | Lenovo ThinkPad C13 Yoga Gen 1 Chromebook (20UY) |
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Type | Keyboard, touchpad | Keyboard, digitizer, TrackPoint, digital pen, UltraNav |
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Keyboard Backlight | - | Yes |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
CONNECTIONS & EXPANSIONS | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | Lenovo ThinkPad C13 Yoga Gen 1 Chromebook (20UY) |
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Interfaces | 2 x USB 3.1 Gen 1 2 x USB-C 3.1 Gen 1 Headphone/microphone combo jack |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
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Memory Card Reader | Yes (microSD) | Yes (microSD) |
SOFTWARE | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | Lenovo ThinkPad C13 Yoga Gen 1 Chromebook (20UY) |
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Operating System (OS) | Google Chrome OS | Google Chrome OS |
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MISCELLANEOUS | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | Lenovo ThinkPad C13 Yoga Gen 1 Chromebook (20UY) |
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Included Accessories | USB-C power adapter | USB-C power adapter, Lenovo USI Pen |
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Security | Google Security Chip H1 | Google Security Chip H1, fingerprint reader |
Security Slot Type | Kensington security slot | Kensington security slot |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
Features | - | RapidCharge, MIL-STD-810G tested |
Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | RoHS |
SAR Value | 0.38 W/kg (body), 0.38 W/kg (limb) | - |
ENERGY STAR Certified | Yes | Yes |
EPEAT Compliant | EPEAT Bronze | EPEAT Gold |
TCO Certified | - | TCO Certified Notebooks 8 |
Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
Model Number | 14AST 81WX | - |