In depth comparison and review of Lenovo ThinkPad T540p and Lenovo IdeaPad S145-14IIL (81W6). 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.
Advantages and disadvantages of Lenovo ThinkPad T540p based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good performance levels
reliable security features
decent battery life
heavy and bulky
outdated design
mediocre display quality
limited graphics performance
Advantages and disadvantages of Lenovo IdeaPad S145-14IIL (81W6) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
decent processor performance
adequate connectivity options
average display quality
limited battery life
modest graphics capability
no backlit keyboard
DESIGN AND DIMENSIONS | Lenovo ThinkPad T540p | Lenovo IdeaPad S145-14IIL (81W6) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 37.6 cm x 24.8 cm x 2.77 cm | 32.71 cm x 24.1 cm x 1.99 cm |
Weight | 2.49 kg | 1.6 kg |
Case Material | Glass-fibre reinforced plastic | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
Colour | Black | Platinum grey | Granite black |
DISPLAY | Lenovo ThinkPad T540p | Lenovo IdeaPad S145-14IIL (81W6) |
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Screen Size (Type) | 15.6" | 14" - TN |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1366 x 768 (HD) | 1366 x 768 (HD) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | - | 220 cd/m² |
Features | Anti-glare | Anti-glare |
PROCESSOR | Lenovo ThinkPad T540p | Lenovo IdeaPad S145-14IIL (81W6) |
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CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz |
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Max Turbo Speed | 2.9 GHz | 3.4 GHz |
Number of Cores | Dual-Core | Dual-Core |
Cache | 3 MB | 4 MB |
64-bit Computing | Yes | - |
Features | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 | Integrated memory controller |
MEMORY | Lenovo ThinkPad T540p | Lenovo IdeaPad S145-14IIL (81W6) |
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RAM | 8 GB | 4 GB (provided memory is soldered) |
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Max RAM Supported | 16 GB | 12 GB |
RAM Type | DDR3L SDRAM | DDR4 SDRAM |
Speed | - | 2666 MHz |
Rated Speed | - | 2666 MHz |
Form Factor | SO-DIMM 204-pin | SO-DIMM 260-pin |
Slots Qty | 2 | 1 |
Empty Slots | - | 1 |
STORAGE | Lenovo ThinkPad T540p | Lenovo IdeaPad S145-14IIL (81W6) |
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Main Storage Size (HDD/SSD) | 240 GB SSD | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
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Optical Drive | DVD-Writer removable | - |
AUDIO & VIDEO | Lenovo ThinkPad T540p | Lenovo IdeaPad S145-14IIL (81W6) |
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Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel UHD Graphics |
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Camera | Yes - 720p | Yes |
Resolution | - | 0.3 Megapixel |
Camera Features | - | Fixed focus |
Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
Codec | Realtek ALC3232 | - |
Compliant Standards | High Definition Audio, Dolby Home Theater v4 | High Definition Audio, Dolby Audio |
COMMUNICATIONS | Lenovo ThinkPad T540p | Lenovo IdeaPad S145-14IIL (81W6) |
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Wireless | Bluetooth, Wi-Fi | 802.11a/b/g/n/ac, Bluetooth 5.0 |
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Wireless Controller | - | M.2 Card |
Network Interface | Gigabit Ethernet | - |
Features | - | Single stream (1x1) |
WWAN |
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Generation | WWAN upgradable | - |
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BATTERY | Lenovo ThinkPad T540p | Lenovo IdeaPad S145-14IIL (81W6) |
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Technology | Lithium Ion | Lithium polymer |
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Battery Capacity (Size) | - | 30 Wh |
Battery Life | - | Up to 5.5 hours |
AC ADAPTER | Lenovo ThinkPad T540p | Lenovo IdeaPad S145-14IIL (81W6) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | - | 65 Watt |
INPUT | Lenovo ThinkPad T540p | Lenovo IdeaPad S145-14IIL (81W6) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
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Numeric Keypad | Yes | - |
Features | Spill-resistant, multi-touch touchpad | Multi-touch touchpad, buttonless touchpad |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T540p | Lenovo IdeaPad S145-14IIL (81W6) |
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Slots | 1 x ExpressCard/34 (1 free) M.2 Card |
- |
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Interfaces | 2 x USB 3.0 2 x USB 2.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack |
USB 2.0 2 x USB 3.1 Gen 1 HDMI 1.4b Headphone/microphone combo jack |
Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
SOFTWARE | Lenovo ThinkPad T540p | Lenovo IdeaPad S145-14IIL (81W6) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Home in S mode - English |
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Software Included | - | Microsoft Office (Trial) |
MISCELLANEOUS | Lenovo ThinkPad T540p | Lenovo IdeaPad S145-14IIL (81W6) |
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Dockable | Yes | - |
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Included Accessories | Power adapter | Wall mount power adapter |
Security | Trusted Platform Module (TPM 1.2) Security Chip | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
Security Slot Type | Kensington security slot | - |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
Features | Administrator password, hard drive password, power-on password, ThinkPad Roll Cage, 1 USB 2.0 (Always On) | Administrator password, hard drive password, power-on password |
Compliant Standards | ISO 9001, ISO 14001, RoHS, ISO 27001 | RoHS, Energy-Related Products (ErP) Lot 3 |
ENERGY STAR Certified | Yes | - |
Carbon Footprint | - | 293 kg carbon emissions |
Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | Limited warranty - 1 year - pick-up and return |