Detailed comparison and review of Lenovo ThinkBook 15 G4 IAP (21DJ) and Lenovo Yoga Slim 9 14IAP7 (82T0). 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 G4 IAP (21DJ) based on its technical characteristics, features, user experience, expert reviews and price level.
robust aluminum design
efficient multitasking performance
comprehensive connectivity options
fast charging support
competitive pricing
average display quality
modest battery life
limited graphics performance
noisy under load
Advantages and disadvantages of Lenovo Yoga Slim 9 14IAP7 (82T0) based on its technical characteristics, features, user experience, expert reviews and price level.
stunning oled display
lightweight, portable design
powerful intel performance
excellent battery life
responsive touch screen
higher price range
limited port selection
no dedicated gpu
can get warm
| DESIGN AND DIMENSIONS | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo Yoga Slim 9 14IAP7 (82T0) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.7 cm x 23.5 cm x 1.89 cm | 31.5 cm x 21.44 cm x 1.49 cm |
| Weight | 1.7 kg | 1.37 kg |
| Case Material | Aluminium (top), polycarbonate ABS (bottom) | Aluminium (bottom), 3D glass (top) |
| Colour | Dual tone mineral grey | Oatmeal |
| DISPLAY | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo Yoga Slim 9 14IAP7 (82T0) |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" OLED |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 2880 x 1800 (2.8K) |
| V-Sync Rate at Max Res. | - | 90 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 300 cd/m² | 400 cd/m² |
| Colour Gamut | 45% NTSC | 125% sRGB, 100% DCI-P3 |
| Features | Anti-glare, 170° viewing angle | Glossy, One Glass Solution, Direct Bonding technology, Eye comfort mode, Low Blue Light technology, capacitive touch screen, 170° viewing angle, Eyesafe technology, HDR 500 True Black, X-Rite Pantone factory color calibration, Dolby Vision, PureSight display |
| PROCESSOR | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo Yoga Slim 9 14IAP7 (82T0) |
|---|
| CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz | Intel Core i7 (12th Gen) 1280P / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4.8 GHz |
| Number of Cores | 10-core | 14-core |
| Cache | 12 MB | 24 MB |
| Platform Technology | - | Intel Evo |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo Yoga Slim 9 14IAP7 (82T0) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 40 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 3200 MHz | 5200 MHz |
| Rated Speed | 3200 MHz | 5600 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo Yoga Slim 9 14IAP7 (82T0) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) | 1 TB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo Yoga Slim 9 14IAP7 (82T0) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | 3 external monitor(s) | 3 external monitor(s) |
| Camera | Yes - 1080p | Yes - 1080p |
| Camera Features | Privacy shutter, fixed focus | IR camera, Windows Hello, fixed focus, ToF sensor, E-privacy camera shutter |
| Sound | Stereo speakers, dual array microphone | Two tweeters, two woofers, dual array microphone |
| Codec | Realtek ALC3287 | Realtek ALC3306 |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Atmos |
| Audio Features | - | Noise-cancellation technology, Bowers & Wilkins speakers, Smart Amplifier (AMP) |
| COMMUNICATIONS | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo Yoga Slim 9 14IAP7 (82T0) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Network Interface | Gigabit Ethernet | - |
| Ethernet Controller | Intel I219-V | - |
| Features | Wake-on-LAN (WOL), dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo Yoga Slim 9 14IAP7 (82T0) |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 75 Wh |
| Battery Life | Up to 8 hours | Up to 11.7 hours |
| Battery Run Time | Local video (1080p) playback time (150 nits): up to 8 hours | Local video (1080p) playback time (150 nits): up to 11.7 hours |
| AC ADAPTER | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo Yoga Slim 9 14IAP7 (82T0) |
|---|
| 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 Yoga Slim 9 14IAP7 (82T0) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad | Multi-touch touchpad, buttonless touchpad, precision glass touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo Yoga Slim 9 14IAP7 (82T0) |
|---|
| 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 |
3 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo Yoga Slim 9 14IAP7 (82T0) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 11 Home - English |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo ThinkBook 15 G4 IAP (21DJ) | Lenovo Yoga Slim 9 14IAP7 (82T0) |
|---|
| Included Accessories | USB-C slim wall mount power adapter | USB-C slim power adapter, Lenovo Yoga 14-inch sleeve |
|---|---|---|
| Integrated Options | - | Hall sensor, colour sensor |
| 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 | Administrator password, hard drive password, Rapid Charge Boost, self-healing BIOS, Amazon Alexa Voice Assistant, Lenovo Voice Assistant (LVA) |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution) | RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Eye Comfort Certification, TUV Rheinland Eyesafe Display, TUV Rheinland Low Blue Light (Hardware Solution) |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Gold | 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 | Base warranty - 1 year - pick-up and return Extended warranty - 2 years - on-site |
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