In depth comparison and review of Dell G15 (5520) and Lenovo ThinkBook 14 G3 ACL (21A2). 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 G15 (5520) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
efficient thermal management
solid build quality
affordable price point
good audio quality
heavy and bulky
average battery life
dim display brightness
limited port selection
Advantages and disadvantages of Lenovo ThinkBook 14 G3 ACL (21A2) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
efficient AMD processor
good battery life
fast SSD storage
average display quality
limited upgrade options
no thunderbolt support
mediocre speaker performance
| DESIGN AND DIMENSIONS | Dell G15 (5520) | Lenovo ThinkBook 14 G3 ACL (21A2) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.726 cm x 27.211 cm x 2.533 cm | 32.3 cm x 21.8 cm x 1.79 cm |
| Weight | 2.81 kg | 1.4 kg |
| Case Material | - | Aluminum |
| Colour | Dark shadow grey | Dual tone mineral grey |
| DISPLAY | Dell G15 (5520) | Lenovo ThinkBook 14 G3 ACL (21A2) |
|---|
| Screen Size (Type) | 15.6" | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | 141 | - |
| V-Sync Rate at Max Res. | 165 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 300 cd/m² |
| Colour Gamut | 100% sRGB | 45% NTSC |
| Features | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, Narrow Border Display, 0.17925 mm pixel pitch, 13 ms response rate | Anti-glare, 170° viewing angle |
| PROCESSOR | Dell G15 (5520) | Lenovo ThinkBook 14 G3 ACL (21A2) |
|---|
| CPU | Intel Core i7 (12th Gen) 12700H | AMD Ryzen 5 5500U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 4 GHz |
| Number of Cores | 14-core | 6-core |
| Cache | 24 MB | L3 - 8 MB |
| Features | Intel Smart Cache, Intel Deep Learning Boost (DL Boost) | Integrated memory controller |
| MEMORY | Dell G15 (5520) | Lenovo ThinkBook 14 G3 ACL (21A2) |
|---|
| RAM | 16 GB (2 x 8 GB) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 32 GB | 36 GB |
| RAM Type | DDR5 SDRAM | DDR4 SDRAM |
| Speed | 4800 MHz | 3200 MHz |
| Rated Speed | 4800 MHz | 3200 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | Dell G15 (5520) | Lenovo ThinkBook 14 G3 ACL (21A2) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 4.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Dell G15 (5520) | Lenovo ThinkBook 14 G3 ACL (21A2) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3060 | AMD Radeon Graphics |
|---|---|---|
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 6 GB GDDR6 SDRAM | - |
| Gaming | Yes | - |
| Camera | Yes - HD | Yes - 720p |
| Resolution | 0.92 Megapixel | - |
| Camera Features | RGB camera | Fixed focus, ThinkShutter camera privacy |
| 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 ALC3254 | Realtek ALC3287 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Dell G15 (5520) | Lenovo ThinkBook 14 G3 ACL (21A2) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | M.2 2230 | M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Killer Ethernet E2600 | Realtek RTL8111H |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Dell G15 (5520) | Lenovo ThinkBook 14 G3 ACL (21A2) |
|---|
| Technology | 6-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 86 Wh | 45 Wh |
| Battery Life | Up to 9 hour(s) | Up to 7.5 hours |
| AC ADAPTER | Dell G15 (5520) | Lenovo ThinkBook 14 G3 ACL (21A2) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 19.5 V | 65 Watt |
| INPUT | Dell G15 (5520) | Lenovo ThinkBook 14 G3 ACL (21A2) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | - | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad |
| CONNECTIONS & EXPANSIONS | Dell G15 (5520) | Lenovo ThinkBook 14 G3 ACL (21A2) |
|---|
| Slots | - | 1 x M.2 (PCI Express 3.0 x2) (1 free) |
|---|---|---|
| Interfaces | HDMI 3 x USB 3.2 Gen 1 Thunderbolt 4 LAN Headphone/microphone combo jack |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Dell G15 (5520) | Lenovo ThinkBook 14 G3 ACL (21A2) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 10 Pro 64-bit Edition - English |
|---|---|---|
| Software Included | Microsoft Office 2013 (Trial) | Microsoft Office (Trial) |
| MISCELLANEOUS | Dell G15 (5520) | Lenovo ThinkBook 14 G3 ACL (21A2) |
|---|
| Included Accessories | Power adapter | USB-C slim wall mount power adapter |
|---|---|---|
| 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 | - | Administrator password, hard drive password, power-on password, Rapid Charge Pro |
| Compliant Standards | - | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3 |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Silver |
| 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 | Limited warranty - 1 year - pick-up and return |
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