In depth comparison and review of Dell G7 (15 7500) and Lenovo IdeaPad 520-15IKB (81BF). 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 G7 (15 7500) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high-quality display
solid build quality
good thermal management
advanced graphics capabilities
heavier than competitors
short battery life
limited port selection
expensive base model
Advantages and disadvantages of Lenovo IdeaPad 520-15IKB (81BF) based on its technical characteristics, features, user experience, expert reviews and price level.
robust metal design
crisp full HD display
backlit keyboard feature
adequate processing power
reasonable price point
average battery life
limited graphics performance
heavier than competitors
no USB-C port
DESIGN AND DIMENSIONS | Dell G7 (15 7500) | Lenovo IdeaPad 520-15IKB (81BF) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 35.72 cm x 26.77 cm x 1.88 cm | 37.8 cm x 26 cm x 2.2 cm |
Weight | 2.56 kg | 2.2 kg |
Case Material | - | Metal |
Colour | Mineral black | Golden |
DISPLAY | Dell G7 (15 7500) | Lenovo IdeaPad 520-15IKB (81BF) |
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Screen Size (Type) | 15.55" OLED | 15.6" - IPS |
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Screen Resolution | 3840 x 2160 (Ultra HD 4K) | 1920 x 1080 (Full HD) |
Pixel Density (ppi) | 282 | - |
V-Sync Rate at Max Res. | 60 Hz | - |
Widescreen | Yes | Yes |
Image Aspect Ratio | - | 16:9 |
Image Brightness | 400 cd/m² | 250 cd/m² |
Colour Gamut | 100% DCI-P3 | - |
Features | TrueLife, anti-reflective, ±80° horizontal viewing angle, ±80° vertical viewing angle, 0.09 mm pixel pitch, 2 ms response rate | Anti-glare |
PROCESSOR | Dell G7 (15 7500) | Lenovo IdeaPad 520-15IKB (81BF) |
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CPU | Intel Core i7 (10th Gen) 10750H / 2.6 GHz | Intel Core i5 (8th Gen) 8550U / 1.8 GHz |
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Max Turbo Speed | 5 GHz | 4 GHz |
Number of Cores | 6-core | Quad-Core |
Cache | 12 MB | 8 MB |
64-bit Computing | Yes | - |
Chipset | Intel HM470 | - |
Features | Intel Turbo Boost Max Technology 3.0, Intel Thermal Velocity Boost | Integrated memory controller |
MEMORY | Dell G7 (15 7500) | Lenovo IdeaPad 520-15IKB (81BF) |
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RAM | 16 GB | 8 GB (1 x 4 GB + 4 GB (soldered)) |
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Max RAM Supported | 32 GB | 16 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2933 MHz | 2133 MHz |
Rated Speed | 2933 MHz | 2400 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 2 | 1 |
Empty Slots | - | 0 |
STORAGE | Dell G7 (15 7500) | Lenovo IdeaPad 520-15IKB (81BF) |
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Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 2 TB HDD SATA 6Gb/s / 5400 rpm |
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Optical Drive | - | DVD±RW |
AUDIO & VIDEO | Dell G7 (15 7500) | Lenovo IdeaPad 520-15IKB (81BF) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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Graphics Processor (GPU) | NVIDIA GeForce RTX 2070 | NVIDIA GeForce MX150 / Intel UHD Graphics 620 |
Video Memory | 8 GB GDDR6 SDRAM | 4 GB GDDR5 SDRAM |
Video System Features | Max-Q design | - |
Camera | Yes - HD | Yes - 720p |
Resolution | 0.92 Megapixel | 1 Megapixel |
Camera Features | 74.9 degrees, RGB camera | Fixed focus |
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 ALC3281 | - |
Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio |
Audio Features | Nahimic sound technology | Output: Harman audio technology |
COMMUNICATIONS | Dell G7 (15 7500) | Lenovo IdeaPad 520-15IKB (81BF) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
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Wireless Controller | Killer Wi-Fi 6 AX1650i - M.2 2230 | M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | Killer Ethernet E2500v2 | - |
Features | - | Single stream (1x1) |
BATTERY | Dell G7 (15 7500) | Lenovo IdeaPad 520-15IKB (81BF) |
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Technology | 6-cell Lithium Ion | 2-cell lithium polymer |
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Battery Capacity (Size) | 86 Wh | 35 Wh |
Battery Life | - | Up to 6 hours |
AC ADAPTER | Dell G7 (15 7500) | Lenovo IdeaPad 520-15IKB (81BF) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 240 Watt, 19.5 V, 12.31 A | 65 Watt |
INPUT | Dell G7 (15 7500) | Lenovo IdeaPad 520-15IKB (81BF) |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Numeric Keypad | - | Yes |
Keyboard Backlight | Yes (RGB) | Yes |
Features | 4 RGB zones | - |
CONNECTIONS & EXPANSIONS | Dell G7 (15 7500) | Lenovo IdeaPad 520-15IKB (81BF) |
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Interfaces | HDMI Mini DisplayPort USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) USB 3.2 Gen 1 (PowerShare) 2 x USB 3.2 Gen 1 LAN Headphone/microphone combo jack |
USB-C 3.0 2 x USB 3.0 HDMI LAN Headphone/microphone combo jack |
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Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
SOFTWARE | Dell G7 (15 7500) | Lenovo IdeaPad 520-15IKB (81BF) |
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Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Home 64-bit Edition - English |
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MISCELLANEOUS | Dell G7 (15 7500) | Lenovo IdeaPad 520-15IKB (81BF) |
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Included Accessories | Power adapter | Power adapter |
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Security | - | Fingerprint reader |
Security Slot Type | - | Kensington mini security slot |
Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
Features | Game Shift technology | Administrator password, hard drive password, power-on password |
Compliant Standards | - | RoHS |
ENERGY STAR Certified | Yes | - |
Max Operating Temperature | 35 °C | - |
Min Operating Temperature | 0 °C | - |
Humidity Range Operating | 10 - 90% (non-condensing) | - |
Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |