In depth comparison and review of Dell G15 (5520) 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 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 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 G15 (5520) | Lenovo ThinkBook 16p G4 IRH (21J8) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 35.726 cm x 27.211 cm x 2.533 cm | 35.46 cm x 25.5 cm x 1.99 cm |
Weight | 2.81 kg | 2.2 kg |
Case Material | - | Aluminium (top), aluminium (bottom) |
Colour | Dark shadow grey | Dual tone storm grey |
DISPLAY | Dell G15 (5520) | Lenovo ThinkBook 16p G4 IRH (21J8) |
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Screen Size (Type) | 15.6" | 16" - IPS |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1080 (Full HD) | 2560 x 1600 (WQXGA) |
Pixel Density (ppi) | 141 | - |
V-Sync Rate at Max Res. | 165 Hz | 60 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | 300 cd/m² | 400 cd/m² |
Colour Gamut | 100% sRGB | 100% sRGB |
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, Delta E<2 calibration, Eyesafe technology, X-Rite Pantone factory color calibration, Dolby Vision, Smart sense panel, ±89° viewing angle |
PROCESSOR | Dell G15 (5520) | Lenovo ThinkBook 16p G4 IRH (21J8) |
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CPU | Intel Core i7 (12th Gen) 12700H | Intel Core i7 (13th Gen) 13700H / 2.4 GHz |
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Max Turbo Speed | 4.7 GHz | 5 GHz |
Number of Cores | 14-core | 14-core |
Cache | 24 MB | 24 MB |
Features | Intel Smart Cache, Intel Deep Learning Boost (DL Boost) | Integrated memory controller |
MEMORY | Dell G15 (5520) | Lenovo ThinkBook 16p G4 IRH (21J8) |
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RAM | 16 GB (2 x 8 GB) | 16 GB (2 x 8 GB) |
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Max RAM Supported | 32 GB | 32 GB |
RAM Type | DDR5 SDRAM | DDR5 SDRAM |
Speed | 4800 MHz | 5200 MHz |
Rated Speed | 4800 MHz | 5200 MHz |
Form Factor | SO-DIMM 262-pin | SO-DIMM 262-pin |
Slots Qty | 2 | 2 |
Empty Slots | 0 | 0 |
STORAGE | Dell G15 (5520) | Lenovo ThinkBook 16p G4 IRH (21J8) |
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Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 4.0 x4 - NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe) |
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AUDIO & VIDEO | Dell G15 (5520) | Lenovo ThinkBook 16p G4 IRH (21J8) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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Graphics Processor (GPU) | NVIDIA GeForce RTX 3060 | NVIDIA GeForce RTX 4060 / Intel Iris Xe Graphics |
Max Monitors Supported | - | 3 external monitor(s) |
Video Memory | 6 GB GDDR6 SDRAM | 8 GB GDDR6 SDRAM |
Video System Features | - | NVIDIA Resizable BAR, Advanced Optimus, Dynamic Boost 2.0, Direct X 12 Ultimate, NVIDIA DLSS 3 |
Gaming | Yes | - |
Camera | Yes - HD | Yes - 1080p |
Resolution | 0.92 Megapixel | - |
Camera Features | RGB camera | Privacy shutter, Windows Hello, fixed focus, 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 | Two tweeters, two woofers, dual array microphone |
Codec | Realtek ALC3254 | 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 G15 (5520) | Lenovo ThinkBook 16p G4 IRH (21J8) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | M.2 2230 | M.2 Card |
Network Interface | Gigabit Ethernet | - |
Ethernet Controller | Killer Ethernet E2600 | - |
Features | Dual stream (2x2) | Dual stream (2x2) |
BATTERY | Dell G15 (5520) | Lenovo ThinkBook 16p G4 IRH (21J8) |
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Technology | 6-cell Lithium Ion | Lithium polymer |
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Battery Capacity (Size) | 86 Wh | 80 Wh |
Battery Life | Up to 9 hour(s) | Up to 18 hours |
Battery Run Time | - | Local video (1080p) playback time (150 nits): up to 18 hours |
AC ADAPTER | Dell G15 (5520) | Lenovo ThinkBook 16p G4 IRH (21J8) |
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Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 19.5 V | 230 Watt |
INPUT | Dell G15 (5520) | Lenovo ThinkBook 16p G4 IRH (21J8) |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Numeric Keypad | Yes | Yes |
Keyboard Backlight | Yes | Yes |
Features | - | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision glass touchpad, smart sense keyboard backlight, SMB Service hot key |
CONNECTIONS & EXPANSIONS | Dell G15 (5520) | Lenovo ThinkBook 16p G4 IRH (21J8) |
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Slots | - | 1 x M.2 (PCI Express 4.0 x4) (1 free) |
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Interfaces | HDMI 3 x USB 3.2 Gen 1 Thunderbolt 4 LAN Headphone/microphone combo jack |
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 | - | Yes (SD Express Card) |
SOFTWARE | Dell G15 (5520) | Lenovo ThinkBook 16p G4 IRH (21J8) |
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Operating System (OS) | Windows 11 Home | Windows 11 Pro - English |
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Software Included | Microsoft Office 2013 (Trial) | Microsoft Office (Trial) |
MISCELLANEOUS | Dell G15 (5520) | Lenovo ThinkBook 16p G4 IRH (21J8) |
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Included Accessories | Power adapter | Power adapter |
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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 | - | 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 | - | 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 |
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 | Limited warranty - 1 year - pick-up and return |