Detailed comparison and review of Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) and Lenovo ThinkPad E15 (20RD). 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 IdeaPad S145-15IWL (Lenovo IdeaPad S145) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
decent processor performance
solid build quality
adequate connectivity options
average display quality
limited battery life
no backlit keyboard
modest graphics capability
Advantages and disadvantages of Lenovo ThinkPad E15 (20RD) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good security features
decent battery life
affordable price point
mediocre display quality
average graphics performance
no thunderbolt support
heavier design
| DESIGN AND DIMENSIONS | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad E15 (20RD) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.22 cm x 25.15 cm x 1.99 cm | 36.8 cm x 24.5 cm x 1.89 cm |
| Weight | 1.85 kg | 1.9 kg |
| Case Material | Polycarbonate ABS | Aluminum, polycarbonate ABS |
| Colour | Grey IMR | Black |
| DISPLAY | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad E15 (20RD) |
|---|
| Screen Size (Type) | 15.6" - TN | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 220 cd/m² | 250 cd/m² |
| Features | Anti-glare | Anti-glare, 170° viewing angle |
| PROCESSOR | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad E15 (20RD) |
|---|
| CPU | Intel Pentium Gold 5405U / 2.3 GHz | Intel Core i5 (10th Gen) 10210U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | - | 4.2 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 2 MB | 6 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad E15 (20RD) |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 12 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2133 MHz | 2666 MHz |
| Rated Speed | 2133 MHz | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad E15 (20RD) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD 2.5" (7 mm) SATA 6Gb/s | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad E15 (20RD) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| Camera | Yes | Yes - 720p |
| Resolution | 0.3 Megapixel | - |
| Camera Features | - | ThinkShutter camera privacy |
| Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
| Codec | - | Conexant CX11880 |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Advanced Audio |
| COMMUNICATIONS | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad E15 (20RD) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Wi-Fi 6 AX 201 - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek R8111GUS |
| Features | - | Dual stream (2x2) |
| BATTERY | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad E15 (20RD) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 30 Wh | 45 Wh |
| Battery Life | Up to 5.5 hours | Up to 12.2 hours |
| AC ADAPTER | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad E15 (20RD) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 65 Watt |
| INPUT | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad E15 (20RD) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | - | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad E15 (20RD) |
|---|
| Interfaces | USB 2.0 2 x USB 3.1 Gen 1 HDMI Headphone/microphone combo jack |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB 2.0 USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) HDMI LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad E15 (20RD) |
|---|
| Operating System (OS) | Windows 10 Home in S mode - English | Windows 10 Home 64-bit Edition - English |
|---|
| MISCELLANEOUS | Lenovo IdeaPad S145-15IWL (Lenovo IdeaPad S145) | Lenovo ThinkPad E15 (20RD) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | 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 | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | RoHS |
| SAR Value | - | 0.367 W/kg (body), 0.367 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | - | EPEAT Silver |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 3 years - on-site Limited warranty - battery - 1 year |
| Model Number | 15IWL 81MV | - |
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