In depth comparison and review of Lenovo ThinkBook 16 G4+ IAP (21CY) and Lenovo IdeaPad S145-15IGM (81MX). 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 ThinkBook 16 G4+ IAP (21CY) based on its technical characteristics, features, user experience, expert reviews and price level.
high-resolution display
robust aluminum chassis
efficient thermal management
powerful processor performance
ample connectivity options
heavier than competitors
average battery life
premium price point
limited color options
Advantages and disadvantages of Lenovo IdeaPad S145-15IGM (81MX) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
decent processor performance
sufficient connectivity options
average display quality
limited storage capacity
no backlit keyboard
mediocre battery life
| DESIGN AND DIMENSIONS | Lenovo ThinkBook 16 G4+ IAP (21CY) | Lenovo IdeaPad S145-15IGM (81MX) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.6 cm x 25.1 cm x 1.69 cm | 36.22 cm x 25.15 cm x 1.99 cm |
| Weight | 1.8 kg | 1.85 kg |
| Case Material | Aluminum | Polycarbonate ABS |
| Colour | Dual tone arctic grey | Granite black IMR |
| DISPLAY | Lenovo ThinkBook 16 G4+ IAP (21CY) | Lenovo IdeaPad S145-15IGM (81MX) |
|---|
| Screen Size (Type) | 16" - IPS | 15.6" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1200 (WUXGA) | 1366 x 768 (HD) |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 300 cd/m² | 220 cd/m² |
| Colour Gamut | 45% NTSC | - |
| Features | Anti-glare, 170° viewing angle, DC dimmer | Anti-glare |
| PROCESSOR | Lenovo ThinkBook 16 G4+ IAP (21CY) | Lenovo IdeaPad S145-15IGM (81MX) |
|---|
| CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz | Intel Pentium Silver N5000 / 1.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 2.7 GHz |
| Number of Cores | 10-core | Quad-Core |
| Cache | 12 MB | 4 MB |
| 64-bit Computing | - | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkBook 16 G4+ IAP (21CY) | Lenovo IdeaPad S145-15IGM (81MX) |
|---|
| RAM | 16 GB (provided memory is soldered) | 4 GB (1 x 4 GB) |
|---|---|---|
| Max RAM Supported | - | 8 GB |
| RAM Type | LPDDR5 SDRAM | DDR4 SDRAM |
| Speed | 4800 MHz | 2400 MHz |
| Rated Speed | 4800 MHz | 2400 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | Lenovo ThinkBook 16 G4+ IAP (21CY) | Lenovo IdeaPad S145-15IGM (81MX) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) | 1 TB HDD SATA 6Gb/s / 5400 rpm |
|---|
| AUDIO & VIDEO | Lenovo ThinkBook 16 G4+ IAP (21CY) | Lenovo IdeaPad S145-15IGM (81MX) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel UHD Graphics 605 |
|---|---|---|
| Max Monitors Supported | 3 external monitor(s) | - |
| Camera | Yes - 1080p | Yes |
| Resolution | - | 0.3 Megapixel |
| Camera Features | Privacy shutter, fixed focus | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo ThinkBook 16 G4+ IAP (21CY) | Lenovo IdeaPad S145-15IGM (81MX) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | M.2 Card | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | Lenovo ThinkBook 16 G4+ IAP (21CY) | Lenovo IdeaPad S145-15IGM (81MX) |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 30 Wh |
| Battery Life | - | Up to 5.5 hours |
| AC ADAPTER | Lenovo ThinkBook 16 G4+ IAP (21CY) | Lenovo IdeaPad S145-15IGM (81MX) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt |
| INPUT | Lenovo ThinkBook 16 G4+ IAP (21CY) | Lenovo IdeaPad S145-15IGM (81MX) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 16 G4+ IAP (21CY) | Lenovo IdeaPad S145-15IGM (81MX) |
|---|
| Slots | 1 x M.2 (PCI Express 3.0 x4) (1 free) | - |
|---|---|---|
| Interfaces | USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI USB 2.0 LAN Headphone/microphone combo jack |
USB 2.0 2 x USB 3.1 Gen 1 HDMI 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 ThinkBook 16 G4+ IAP (21CY) | Lenovo IdeaPad S145-15IGM (81MX) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 10 Home in S mode - English |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Microsoft Office (30 days trial) |
| MISCELLANEOUS | Lenovo ThinkBook 16 G4+ IAP (21CY) | Lenovo IdeaPad S145-15IGM (81MX) |
|---|
| Included Accessories | USB-C slim power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington nano security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS | Administrator password, hard drive password, power-on password |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution) | RoHS, Energy-Related Products (ErP) Lot 3 |
| 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 | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |
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