In depth comparison and review of Dell Inspiron 5391 and Lenovo ThinkPad Z16 Gen 1 (21D5). 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 Dell Inspiron 5391 based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight design
affordable price
solid build quality
fast SSD storage
decent battery life
average display quality
limited port selection
no dedicated GPU
moderate processor performance
Advantages and disadvantages of Lenovo ThinkPad Z16 Gen 1 (21D5) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
powerful AMD processor
high-resolution display
good battery life
heavier than competitors
expensive base model
limited color options
noisy under load
| DESIGN AND DIMENSIONS | Dell Inspiron 5391 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 30.76 cm x 20.45 cm x 1.65 cm | 35.44 cm x 23.74 cm x 1.58 cm |
| Weight | 1.18 kg | 1.94 kg |
| Case Material | - | Aluminium (top), aluminium (bottom) |
| Colour | Silver | Black (bottom), arctic grey (top) |
| DISPLAY | Dell Inspiron 5391 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Screen Size (Type) | 13.3" | 16" OLED |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2400 (WQUXGA) |
| Pixel Density (ppi) | 166 | - |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:10 |
| Image Brightness | 300 cd/m² | 500 cd/m² |
| Colour Gamut | 72% sRGB | 100% DCI-P3 |
| Features | Glossy, TrueLife, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, Narrow Border Display, 35 ms response rate, 0.153 mm pixel pitch | Anti-reflective, One Glass Solution, anti-smudge, Low Blue Light technology, Dolby Vision, 175° viewing angle, 92.3% screen-to-body ratio |
| PROCESSOR | Dell Inspiron 5391 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| CPU | Intel Core i7 (10th Gen) 10510U / 1.8 GHz | AMD Ryzen 7 Pro 6850H / 3.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.9 GHz | 4.7 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | 8 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | Integrated memory controller |
| MEMORY | Dell Inspiron 5391 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| RAM | 8 GB (provided memory is soldered) | 32 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR3 SDRAM | LPDDR5 SDRAM |
| Speed | 2133 MHz | 6400 MHz |
| Rated Speed | 2133 MHz | 6400 MHz |
| STORAGE | Dell Inspiron 5391 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - NVM Express (NVMe) | 1.024 TB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Western Digital |
|---|
| AUDIO & VIDEO | Dell Inspiron 5391 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce MX250 | AMD Radeon 680M |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 2 GB GDDR5 SDRAM | - |
| Camera | Yes - HD | Yes - 1080p |
| Resolution | 0.92 Megapixel | - |
| Camera Features | 720p HD movie recording, 74.9 degrees, RGB camera | Windows Hello, fixed focus, e-camera shutter, hybrid FHD/IR camera |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3204 | Realtek ALC3306 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Atmos |
| Audio Features | MaxxAudio Pro | Input: Dolby Voice, 360° far-field |
| COMMUNICATIONS | Dell Inspiron 5391 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | - | Qualcomm NFA725A |
| BATTERY | Dell Inspiron 5391 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Technology | 4-cell Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 72 Wh |
| AC ADAPTER | Dell Inspiron 5391 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19.5 V, 3.34 A | 135 Watt, 5 / 9 / 15 / 20 V |
| INPUT | Dell Inspiron 5391 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | - | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad |
| CONNECTIONS & EXPANSIONS | Dell Inspiron 5391 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Interfaces | HDMI USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) Headphone/microphone combo jack USB 3.1 Gen 1 |
USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) 2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (SD Card, SDXC UHS-II Card) |
| SOFTWARE | Dell Inspiron 5391 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 11 Pro |
|---|
| MISCELLANEOUS | Dell Inspiron 5391 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Included Accessories | Power adapter | USB-C slim power adapter |
|---|---|---|
| Security | - | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader |
| Security Slot Type | - | Kensington nano security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | - | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
| Compliant Standards | - | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCG Certified, TCO Certified 9.0 |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 5 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 8 - 95% |
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