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A detailed list of technical data, specifications, ratings and expert review of Lenovo ThinkBook 15 G4 IAP (21DJ). Get a comprehensive look at your chosen laptop and see if this is the one that will best suit your needs. You can also use the comparison feature to compare with other competing laptops.
design and dimensions display processor memory storage audio & video communications battery ac adapter input connections & expansions software miscellaneous
| DESIGN AND DIMENSIONS Lenovo ThinkBook 15 G4 IAP (21DJ) |
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| Product Type | Notebook - 180-degree hinge design |
|---|---|
| Dimensions (WxDxH) | 35.7 cm x 23.5 cm x 1.89 cm |
| Weight | 1.7 kg |
| Case Material | Aluminium (top), polycarbonate ABS (bottom) |
| Colour | Dual tone mineral grey |
| DISPLAY Lenovo ThinkBook 15 G4 IAP (21DJ) |
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| Screen Size (Type) | 15.6" - IPS |
|---|---|
| LCD Backlight Technology | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) |
| Widescreen | Yes |
| Image Aspect Ratio | 16:9 |
| Image Brightness | 300 cd/m² |
| Colour Gamut | 45% NTSC |
| Features | Anti-glare, 170° viewing angle |
| PROCESSOR Lenovo ThinkBook 15 G4 IAP (21DJ) |
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| CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
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| Max Turbo Speed | 4.4 GHz |
| Number of Cores | 10-core |
| Cache | 12 MB |
| Features | Integrated memory controller |
| MEMORY Lenovo ThinkBook 15 G4 IAP (21DJ) |
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| RAM | 8 GB (provided memory is soldered) |
|---|---|
| Max RAM Supported | 40 GB |
| RAM Type | DDR4 SDRAM |
| Speed | 3200 MHz |
| Rated Speed | 3200 MHz |
| Form Factor | SO-DIMM 260-pin |
| Slots Qty | 1 |
| Empty Slots | 1 |
| STORAGE Lenovo ThinkBook 15 G4 IAP (21DJ) |
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| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) |
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| AUDIO & VIDEO Lenovo ThinkBook 15 G4 IAP (21DJ) |
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| Graphics Processor (GPU) | Intel Iris Xe Graphics |
|---|---|
| Max Monitors Supported | 3 external monitor(s) |
| Camera | Yes - 1080p |
| Camera Features | Privacy shutter, fixed focus |
| Sound | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3287 |
| Compliant Standards | High Definition Audio, Dolby Audio |
| COMMUNICATIONS Lenovo ThinkBook 15 G4 IAP (21DJ) |
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| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|
| Wireless Controller | M.2 Card |
| Network Interface | Gigabit Ethernet |
| Ethernet Controller | Intel I219-V |
| Features | Wake-on-LAN (WOL), dual stream (2x2) |
| BATTERY Lenovo ThinkBook 15 G4 IAP (21DJ) |
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| Technology | Lithium polymer |
|---|---|
| Battery Capacity (Size) | 45 Wh |
| Battery Life | Up to 8 hours |
| Battery Run Time | Local video (1080p) playback time (150 nits): up to 8 hours |
| AC ADAPTER Lenovo ThinkBook 15 G4 IAP (21DJ) |
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| Input | AC 100-240 V (50/60 Hz) |
|---|---|
| Output | 65 Watt |
| INPUT Lenovo ThinkBook 15 G4 IAP (21DJ) |
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| Type | Keyboard, touchpad |
|---|---|
| Numeric Keypad | Yes |
| Keyboard Backlight | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad |
| CONNECTIONS & EXPANSIONS Lenovo ThinkBook 15 G4 IAP (21DJ) |
|---|
| 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 USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE Lenovo ThinkBook 15 G4 IAP (21DJ) |
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| Operating System (OS) | Windows 11 Pro - English |
|---|---|
| Software Included | Microsoft Office (Trial) |
| MISCELLANEOUS Lenovo ThinkBook 15 G4 IAP (21DJ) |
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| Included Accessories | USB-C slim wall mount power adapter |
|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| 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 |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution) |
| 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 |
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