Detailed comparison and review of Lenovo ThinkBook 15 G3 ACL (21A4) and Lenovo IdeaPad 3 17IIL05 (81WF). 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 ThinkBook 15 G3 ACL (21A4) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent processor performance
good keyboard feel
ample connectivity options
average display quality
mediocre battery life
limited graphics power
no thunderbolt support
Advantages and disadvantages of Lenovo IdeaPad 3 17IIL05 (81WF) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
large display size
decent processor speed
adequate connectivity options
solid build quality
average battery life
mediocre graphics performance
limited storage capacity
heavier design
| DESIGN AND DIMENSIONS | Lenovo ThinkBook 15 G3 ACL (21A4) | Lenovo IdeaPad 3 17IIL05 (81WF) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.7 cm x 23.5 cm x 1.89 cm | 40.2 cm x 28.125 cm x 1.99 cm |
| Weight | 1.7 kg | 2.2 kg |
| Case Material | Aluminum, polycarbonate ABS | Polycarbonate ABS |
| Colour | Mineral grey | Abyss blue |
| DISPLAY | Lenovo ThinkBook 15 G3 ACL (21A4) | Lenovo IdeaPad 3 17IIL05 (81WF) |
|---|
| Screen Size (Type) | 15.6" - IPS | 17.3" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 300 cd/m² |
| Colour Gamut | 100% sRGB | - |
| Features | Anti-glare, 170° viewing angle | Anti-glare |
| PROCESSOR | Lenovo ThinkBook 15 G3 ACL (21A4) | Lenovo IdeaPad 3 17IIL05 (81WF) |
|---|
| CPU | AMD Ryzen 5 5500U / 2.1 GHz | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 3.4 GHz |
| Number of Cores | 6-core | Dual-Core |
| Cache | L3 - 8 MB | 4 MB |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkBook 15 G3 ACL (21A4) | Lenovo IdeaPad 3 17IIL05 (81WF) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 36 GB | 12 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 3200 MHz | 2666 MHz |
| Rated Speed | 3200 MHz | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | Lenovo ThinkBook 15 G3 ACL (21A4) | Lenovo IdeaPad 3 17IIL05 (81WF) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkBook 15 G3 ACL (21A4) | Lenovo IdeaPad 3 17IIL05 (81WF) |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | Intel UHD Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | Shared Video Memory (UMA) |
| Max Monitors Supported | 3 external monitor(s) | 1 external monitor(s) |
| Camera | Yes - 720p | Yes |
| Resolution | - | 0.3 Megapixel |
| Camera Features | ThinkShutter camera privacy | Privacy shutter, fixed focus |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo ThinkBook 15 G3 ACL (21A4) | Lenovo IdeaPad 3 17IIL05 (81WF) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Wireless Controller | M.2 Card | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo ThinkBook 15 G3 ACL (21A4) | Lenovo IdeaPad 3 17IIL05 (81WF) |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 42 Wh |
| Battery Life | Up to 7.5 hours | Up to 7.4 hours |
| AC ADAPTER | Lenovo ThinkBook 15 G3 ACL (21A4) | Lenovo IdeaPad 3 17IIL05 (81WF) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo ThinkBook 15 G3 ACL (21A4) | Lenovo IdeaPad 3 17IIL05 (81WF) |
|---|
| 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 15 G3 ACL (21A4) | Lenovo IdeaPad 3 17IIL05 (81WF) |
|---|
| Slots | 1 x M.2 (PCI Express 3.0 x2) (1 free) | - |
|---|---|---|
| Interfaces | 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 HDMI LAN Headphone/microphone combo jack |
2 x USB 3.2 Gen 1 USB 2.0 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 15 G3 ACL (21A4) | Lenovo IdeaPad 3 17IIL05 (81WF) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Home in S mode - English |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Microsoft 365 Personal |
| MISCELLANEOUS | Lenovo ThinkBook 15 G3 ACL (21A4) | Lenovo IdeaPad 3 17IIL05 (81WF) |
|---|
| Included Accessories | USB-C power adapter | Wall mount 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, Rapid Charge Pro | Administrator password, hard drive password, power-on password, RapidCharge |
| Compliant Standards | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3 | RoHS, Energy-Related Products (ErP) Lot 3 |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Silver | - |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 5 °C | 5 °C |
| Humidity Range Operating | 8 - 95% | 8 - 95% |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |
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