In depth comparison and review of Dell Inspiron 15 3510 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 15 3510 based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
decent battery life
lightweight design
solid build quality
simple user interface
average display quality
limited performance capacity
minimal connectivity options
basic graphics capability
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 15 3510 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.85 cm x 23.556 cm x 1.89 cm | 35.44 cm x 23.74 cm x 1.58 cm |
| Weight | 1.65 kg | 1.94 kg |
| Case Material | - | Aluminium (top), aluminium (bottom) |
| Colour | Platinum silver | Black (bottom), arctic grey (top) |
| DISPLAY | Dell Inspiron 15 3510 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Screen Size (Type) | 15.6" - TN | 16" OLED |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1366 x 768 (HD) | 3840 x 2400 (WQUXGA) |
| Pixel Density (ppi) | 100 | - |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:10 |
| Image Brightness | 220 cd/m² | 500 cd/m² |
| Colour Gamut | 45% NTSC | 100% DCI-P3 |
| Features | Anti-glare, 25 ms response rate, Narrow Border Display, 0.252 mm pixel pitch, ±40° horizontal viewing angle, +10/-30 vertical viewing angle | 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 15 3510 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| CPU | Intel Celeron N4020 / 1.1 GHz | AMD Ryzen 7 Pro 6850H / 3.2 GHz |
|---|---|---|
| Max Turbo Speed | 2.8 GHz | 4.7 GHz |
| Number of Cores | Dual-Core | 8-core |
| Cache | 4 MB | L3 - 16 MB |
| Features | Intel Burst Technology | Integrated memory controller |
| MEMORY | Dell Inspiron 15 3510 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| RAM | 4 GB (1 x 4 GB) | 32 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 8 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 2400 MHz | 6400 MHz |
| Rated Speed | 2400 MHz | 6400 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Dell Inspiron 15 3510 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe 2.0 x4 - NVM Express (NVMe) | 1.024 TB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Western Digital |
|---|
| AUDIO & VIDEO | Dell Inspiron 15 3510 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 600 | AMD Radeon 680M |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Camera | Yes - HD | Yes - 1080p |
| Resolution | 0.92 Megapixel | - |
| Camera Features | 78.6 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, microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3204 | Realtek ALC3306 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Atmos |
| Audio Features | - | Input: Dolby Voice, 360° far-field |
| COMMUNICATIONS | Dell Inspiron 15 3510 | 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 | Intel Wireless-AC 9462 - M.2 2230 | Qualcomm NFA725A |
| Features | Single stream (1x1) | - |
| BATTERY | Dell Inspiron 15 3510 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Technology | 3-cell lithium polymer | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 41 Wh | 72 Wh |
| AC ADAPTER | Dell Inspiron 15 3510 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Input | AC 100-240 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 15 3510 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | - | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad |
| CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3510 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Interfaces | HDMI 2 x USB 3.2 Gen 1 USB 2.0 Headphone/microphone combo jack |
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 (SD Card, SDHC Card, SDXC Card) | Yes (SD Card, SDXC UHS-II Card) |
| SOFTWARE | Dell Inspiron 15 3510 | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 11 Pro |
|---|---|---|
| Software Included | McAfee LiveSafe (12 months subscription), Microsoft Office (30 days trial, excludes office licence) | - |
| MISCELLANEOUS | Dell Inspiron 15 3510 | 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 |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | 40 °C | 35 °C |
| Min Operating Temperature | 0 °C | 5 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 8 - 95% |
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