In depth comparison and review of Lenovo IdeaPad 520-15IKB (81BF) and Lenovo IdeaPad 310-15ISK (80SM). 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 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
Advantages and disadvantages of Lenovo IdeaPad 310-15ISK (80SM) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
decent processor speed
ample connectivity options
responsive touchpad
lightweight design
average battery life
mediocre display quality
limited graphics performance
standard storage capacity
| DESIGN AND DIMENSIONS | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 37.8 cm x 26 cm x 2.2 cm | 37.9 cm x 26 cm x 2.29 cm |
| Weight | 2.2 kg | 2.2 kg |
| Case Material | Metal | Polycarbonate ABS |
| Colour | Golden | Ebony black |
| DISPLAY | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" - TN |
|---|---|---|
| Screen Resolution | 1920 x 1080 (Full HD) | 1366 x 768 (HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 200 cd/m² |
| Features | Anti-glare | Glare |
| PROCESSOR | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| CPU | Intel Core i5 (8th Gen) 8550U / 1.8 GHz | Intel Core i3 (6th Gen) 6100U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | - |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 8 MB | 3 MB |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | 12 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2133 MHz | 2133 MHz |
| Rated Speed | 2400 MHz | 2133 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 1 |
| STORAGE | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Main Storage Size (HDD/SSD) | 2 TB HDD SATA 6Gb/s / 5400 rpm | 128 GB SSD 2.5" SATA - SK Hynix |
|---|---|---|
| Optical Drive | DVD±RW | DVD-Writer |
| AUDIO & VIDEO | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce MX150 / Intel UHD Graphics 620 | Intel HD Graphics 520 |
| Video Memory | 4 GB GDDR5 SDRAM | - |
| Camera | Yes - 720p | Yes |
| Resolution | 1 Megapixel | 0.3 Megapixel |
| Camera Features | Fixed focus | Fixed focus |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Advanced Audio v2 |
| Audio Features | Output: Harman audio technology | - |
| COMMUNICATIONS | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | Bluetooth 4.0, 802.11a/b/g/n/ac |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Dual Band Wireless-AC 3165 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | Single stream (1x1) | - |
| BATTERY | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Technology | 2-cell lithium polymer | 2-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 35 Wh | 30 Wh |
| Battery Life | Up to 6 hours | - |
| AC ADAPTER | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt, 20 V, 2.25 A |
| INPUT | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | - |
| Features | - | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Interfaces | USB-C 3.0 2 x USB 3.0 HDMI LAN Headphone/microphone combo jack |
USB 3.0 2 x USB 2.0 HDMI LAN Headphone/microphone combo jack VGA |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Home 64-bit Edition - English |
|---|
| MISCELLANEOUS | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Fingerprint reader | - |
| Security Slot Type | Kensington mini security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password | Administrator password, hard drive password, power-on password |
| Compliant Standards | RoHS | RoHS |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
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