Detailed comparison and review of Dell G15 (5520) and Lenovo ThinkPad E14 Gen 5 (21JK). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
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 ThinkPad E14 Gen 5 (21JK) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
efficient performance
comfortable keyboard
good battery life
affordable price
average display quality
limited graphics power
no thunderbolt support
modest storage options
DESIGN AND DIMENSIONS | Dell G15 (5520) | Lenovo ThinkPad E14 Gen 5 (21JK) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 35.726 cm x 27.211 cm x 2.533 cm | 31.3 cm x 21.93 cm x 1.799 cm |
Weight | 2.81 kg | 1.53 kg |
Case Material | - | Aluminium (top), aluminium (bottom) |
Colour | Dark shadow grey | Graphite black |
DISPLAY | Dell G15 (5520) | Lenovo ThinkPad E14 Gen 5 (21JK) |
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Screen Size (Type) | 15.6" | 14" - IPS |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
Pixel Density (ppi) | 141 | - |
V-Sync Rate at Max Res. | 165 Hz | - |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
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 |
PROCESSOR | Dell G15 (5520) | Lenovo ThinkPad E14 Gen 5 (21JK) |
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CPU | Intel Core i7 (12th Gen) 12700H | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
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Max Turbo Speed | 4.7 GHz | 4.6 GHz |
Number of Cores | 14-core | 10-core |
Cache | 24 MB | 12 MB |
Features | Intel Smart Cache, Intel Deep Learning Boost (DL Boost) | Integrated memory controller |
MEMORY | Dell G15 (5520) | Lenovo ThinkPad E14 Gen 5 (21JK) |
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RAM | 16 GB (2 x 8 GB) | 8 GB (provided memory is soldered) |
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Max RAM Supported | 32 GB | 40 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 | 1 |
STORAGE | Dell G15 (5520) | Lenovo ThinkPad E14 Gen 5 (21JK) |
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Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 4.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
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AUDIO & VIDEO | Dell G15 (5520) | Lenovo ThinkPad E14 Gen 5 (21JK) |
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Graphics Processor (GPU) | NVIDIA GeForce RTX 3060 | Intel Iris Xe Graphics |
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Max Monitors Supported | - | 3 external monitor(s) |
Video Memory | 6 GB GDDR6 SDRAM | - |
Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
Gaming | Yes | - |
Camera | Yes - HD | Yes - 1080p |
Resolution | 0.92 Megapixel | - |
Camera Features | RGB camera | Privacy shutter, Windows Hello, fixed focus, hybrid 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 ALC3254 | Synaptic CX11880 |
Compliant Standards | High Definition Audio | High Definition Audio, Dolby Atmos |
Audio Features | - | Input: Dolby Voice |
COMMUNICATIONS | Dell G15 (5520) | Lenovo ThinkPad E14 Gen 5 (21JK) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
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Wireless Controller | M.2 2230 | M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | Killer Ethernet E2600 | Intel I219-V |
Features | Dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2) |
BATTERY | Dell G15 (5520) | Lenovo ThinkPad E14 Gen 5 (21JK) |
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Technology | 6-cell Lithium Ion | Lithium polymer |
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Battery Capacity (Size) | 86 Wh | 57 Wh |
Battery Life | Up to 9 hour(s) | - |
AC ADAPTER | Dell G15 (5520) | Lenovo ThinkPad E14 Gen 5 (21JK) |
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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 | 65 Watt |
INPUT | Dell G15 (5520) | Lenovo ThinkPad E14 Gen 5 (21JK) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | - |
Keyboard Backlight | Yes | Yes |
Features | - | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | Dell G15 (5520) | Lenovo ThinkPad E14 Gen 5 (21JK) |
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Slots | - | 1 x M.2 (PCI Express 3.0 x4) (1 free) |
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Interfaces | HDMI 3 x USB 3.2 Gen 1 Thunderbolt 4 LAN Headphone/microphone combo jack |
USB 2.0 USB 3.2 Gen 1 (Always On) 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 (4K support) LAN Headphone/microphone combo jack |
SOFTWARE | Dell G15 (5520) | Lenovo ThinkPad E14 Gen 5 (21JK) |
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Operating System (OS) | Windows 11 Home | Windows 11 Pro - English |
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Software Included | Microsoft Office 2013 (Trial) | Intel Connectivity Performance Suite |
MISCELLANEOUS | Dell G15 (5520) | Lenovo ThinkPad E14 Gen 5 (21JK) |
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Included Accessories | Power adapter | USB-C power adapter |
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Security | - | Discrete 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, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 6, FSC, TCG Certified, Energy-Related Products (ErP) Lot 26, TUV Rheinland Low Blue Light (Software Solution), 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% |
Manufacturer Warranty | Limited warranty - 1 year | Limited warranty - 1 year - pick-up and return |