In depth comparison and review of Dell Latitude 3540 and Lenovo ThinkBook 16p G4 IRH (21J8). 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 Lenovo ThinkBook 16p G4 IRH (21J8) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful amd processor
high-resolution display
solid build quality
good thermal management
decent battery life
heavier than competitors
limited port selection
higher price point
noisy under load
| DESIGN AND DIMENSIONS | Dell Latitude 3540 | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 37.6 cm x 25.9 cm x 2.53 cm | 35.46 cm x 25.5 cm x 1.99 cm |
| Weight | 2.2 kg | 2.2 kg |
| Case Material | - | Aluminium (top), aluminium (bottom) |
| Colour | Black | Dual tone storm grey |
| DISPLAY | Dell Latitude 3540 | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Screen Size (Type) | 15.6" | 16" - IPS |
|---|---|---|
| LCD Backlight Technology | WLED backlight | - |
| Screen Resolution | 1366 x 768 (HD) | 2560 x 1600 (WQXGA) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | - | 400 cd/m² |
| Colour Gamut | - | 100% sRGB |
| Features | Anti-glare | Anti-glare, Delta E<2 calibration, Eyesafe technology, X-Rite Pantone factory color calibration, Dolby Vision, Smart sense panel, ±89° viewing angle |
| PROCESSOR | Dell Latitude 3540 | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| CPU | Intel Core i3 (4th Gen) 4010U / 1.7 GHz | Intel Core i7 (13th Gen) 13700H / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | - | 5 GHz |
| Number of Cores | Dual-Core | 14-core |
| Cache | 3 MB | 24 MB |
| 64-bit Computing | Yes | - |
| Chipset | Mobile Intel HM87 Express | - |
| Features | - | Integrated memory controller |
| MEMORY | Dell Latitude 3540 | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| RAM | 4 GB (1 x 4 GB) | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | 8 GB | 32 GB |
| RAM Type | DDR3L SDRAM | DDR5 SDRAM |
| Speed | 1600 MHz | 5200 MHz |
| Rated Speed | - | 5200 MHz |
| Form Factor | SO-DIMM 204-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 0 |
| STORAGE | Dell Latitude 3540 | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Main Storage Size (HDD/SSD) | 500 GB HDD SATA 3Gb/s / 5400 rpm | 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|---|---|
| Optical Drive | DVD±RW - tray | - |
| Read Speed | 8x | - |
| AUDIO & VIDEO | Dell Latitude 3540 | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | NVIDIA GeForce RTX 4060 / Intel Iris Xe Graphics |
| Memory Allocation Technology | Dynamic Video Memory Technology | - |
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | - | 8 GB GDDR6 SDRAM |
| Video System Features | - | NVIDIA Resizable BAR, Advanced Optimus, Dynamic Boost 2.0, Direct X 12 Ultimate, NVIDIA DLSS 3 |
| Camera | Yes | Yes - 1080p |
| Resolution | 0.92 Megapixel | - |
| Camera Features | - | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
| Video Resolutions | 1280 x 720 | - |
| Sound | Stereo speakers, microphone | Two tweeters, two woofers, dual array microphone |
| Codec | Realtek ALC3223 | Realtek ALC3306-CG |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Atmos |
| Audio Features | - | Output: harman/kardon stereo speakers, Smart Amplifier (AMP); Input: noise-cancellation technology |
| VR Ready | - | Yes |
| COMMUNICATIONS | Dell Latitude 3540 | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Wireless | 802.11b/g/n, Bluetooth 4.0 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Dell Wireless 1705 | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Features | - | Dual stream (2x2) |
| BATTERY | Dell Latitude 3540 | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Technology | 4-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 40 Wh | 80 Wh |
| Battery Life | - | Up to 18 hours |
| Battery Run Time | - | Local video (1080p) playback time (150 nits): up to 18 hours |
| AC ADAPTER | Dell Latitude 3540 | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19.5 V, 3.34 A | 230 Watt |
| INPUT | Dell Latitude 3540 | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | - | Yes |
| Features | - | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision glass touchpad, smart sense keyboard backlight, SMB Service hot key |
| CONNECTIONS & EXPANSIONS | Dell Latitude 3540 | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Slots | - | 1 x M.2 (PCI Express 4.0 x4) (1 free) |
|---|---|---|
| Interfaces | 2 x USB 3.0 2 x USB 2.0 VGA Headphone/microphone combo jack LAN |
2 x USB 3.2 Gen 2 USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI (8K support) Headphone/microphone combo jack |
| Memory Card Reader | 4 in 1 | Yes (SD Express Card) |
| SOFTWARE | Dell Latitude 3540 | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition | Windows 11 Pro - English |
|---|---|---|
| Software Included | Drivers & Utilities, Microsoft Office (Trial), Dell Webcam Central | Microsoft Office (Trial) |
| MISCELLANEOUS | Dell Latitude 3540 | Lenovo ThinkBook 16p G4 IRH (21J8) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Integrated Options | - | Ambient light sensor |
| 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 | Security lock slot (cable lock sold separately) | Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS, LA2-Q AI performance chip |
| Compliant Standards | CEC | RoHS, Energy-Related Products (ErP) Lot 6, FSC, Energy-Related Products (ErP) Lot 26, TUV Rheinland Low Blue Light (Hardware Solution), TCO Certified 9.0, Low-VOC |
| ENERGY STAR Certified | Yes | - |
| Carbon Footprint | - | 402 kg carbon emissions (EU) |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 5 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 8 - 95% |
| Manufacturer Warranty | Limited warranty - 1 year - response time: next business day | Limited warranty - 1 year - pick-up and return |
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