Detailed comparison and review of Lenovo ThinkBook 15 G4 IAP (21DJ) and Lenovo ThinkPad E14 Gen 4 (21EB). 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.
DESIGN AND DIMENSIONS | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo ThinkPad E14 Gen 4 (21EB) |
---|
Product Type | Notebook - 180-degree hinge design | Notebook |
---|---|---|
Dimensions (WxDxH) | 35.7 cm x 23.5 cm x 1.89 cm | 32.4 cm x 22.07 cm x 1.79 cm |
Weight | 1.7 kg | 1.64 kg |
Case Material | Aluminium (top), polycarbonate ABS (bottom) | Aluminum |
Colour | Dual tone mineral grey | Black |
DISPLAY | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo ThinkPad E14 Gen 4 (21EB) |
---|
Screen Size (Type) | 15.6" - IPS | 14" - 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 | 45% NTSC | - |
Features | Anti-glare, 170° viewing angle | Anti-glare, 170° viewing angle |
PROCESSOR | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo ThinkPad E14 Gen 4 (21EB) |
---|
CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz | AMD Ryzen 5 5625U / 2.3 GHz |
---|---|---|
Max Turbo Speed | 4.4 GHz | 4.3 GHz |
Number of Cores | 10-core | 6-core |
Cache | 12 MB | L3 - 16 MB |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo ThinkPad E14 Gen 4 (21EB) |
---|
RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
---|---|---|
Max RAM Supported | 40 GB | 40 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 3200 MHz | 3200 MHz |
Rated Speed | 3200 MHz | 3200 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 1 | 1 |
Empty Slots | 1 | 1 |
STORAGE | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo ThinkPad E14 Gen 4 (21EB) |
---|
Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
---|
AUDIO & VIDEO | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo ThinkPad E14 Gen 4 (21EB) |
---|
Graphics Processor (GPU) | Intel Iris Xe Graphics | AMD Radeon Graphics |
---|---|---|
Max Monitors Supported | 3 external monitor(s) | 2 external monitor(s) |
Camera | Yes - 1080p | Yes - 1080p |
Camera Features | Privacy shutter, fixed focus | Privacy shutter, IR camera, Windows Hello, fixed focus |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3287 | Realtek ALC3287 |
Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Audio |
Audio Features | - | Harman/kardon stereo speakers |
COMMUNICATIONS | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo ThinkPad E14 Gen 4 (21EB) |
---|
Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
---|---|---|
Wireless Controller | M.2 Card | M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | Intel I219-V | Realtek RTL8111H-CG |
Features | Wake-on-LAN (WOL), dual stream (2x2) | Dual stream (2x2) |
BATTERY | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo ThinkPad E14 Gen 4 (21EB) |
---|
Technology | Lithium polymer | Lithium polymer |
---|---|---|
Battery Capacity (Size) | 45 Wh | 57 Wh |
Battery Life | Up to 8 hours | Up to 21 hours |
Battery Run Time | Local video (1080p) playback time (150 nits): up to 8 hours | - |
AC ADAPTER | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo ThinkPad E14 Gen 4 (21EB) |
---|
Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
---|---|---|
Output | 65 Watt | 65 Watt |
INPUT | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo ThinkPad E14 Gen 4 (21EB) |
---|
Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
---|---|---|
Numeric Keypad | Yes | - |
Keyboard Backlight | Yes | Yes |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo ThinkPad E14 Gen 4 (21EB) |
---|
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 |
USB 2.0 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack LAN |
---|---|---|
Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
SOFTWARE | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo ThinkPad E14 Gen 4 (21EB) |
---|
Operating System (OS) | Windows 11 Pro - English | Windows 11 Pro - English |
---|---|---|
Software Included | Microsoft Office (Trial) | - |
MISCELLANEOUS | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo ThinkPad E14 Gen 4 (21EB) |
---|
Included Accessories | USB-C slim wall mount power adapter | USB-C power adapter |
---|---|---|
Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
Security Slot Type | Kensington nano security slot | Kensington security slot |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
Features | Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe 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 | Yes |
EPEAT Compliant | EPEAT Gold | EPEAT Gold |
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 | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site |