Side by side comparison and review of Lenovo IdeaPad 330S-15AST (Lenovo IdeaPad 330S) and Lenovo IdeaPad 720S-14IKBR (81BD). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Lenovo IdeaPad 330S-15AST (Lenovo IdeaPad 330S) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
sleek design
lightweight build
decent processor performance
adequate port selection
mediocre battery life
limited storage capacity
average display quality
no backlit keyboard
Advantages and disadvantages of Lenovo IdeaPad 720S-14IKBR (81BD) based on its technical characteristics, features, user experience, expert reviews and price level.
slim, lightweight design
sharp full HD display
solid overall performance
fast SSD storage
decent battery life
limited port selection
no dedicated GPU
average sound quality
pricier than competitors
| DESIGN AND DIMENSIONS | Lenovo IdeaPad 330S-15AST (Lenovo IdeaPad 330S) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.84 cm x 24.41 cm x 1.94 cm | 32.07 cm x 22.28 cm x 1.59 cm |
| Weight | 1.87 kg | 1.55 kg |
| Case Material | Aluminum, polycarbonate ABS | Aluminium (top), aluminium (bottom) |
| Colour | Platinum grey | Silver |
| DISPLAY | Lenovo IdeaPad 330S-15AST (Lenovo IdeaPad 330S) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Screen Size (Type) | 15.6" | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 220 cd/m² | 300 cd/m² |
| Features | Anti-glare | Anti-glare |
| PROCESSOR | Lenovo IdeaPad 330S-15AST (Lenovo IdeaPad 330S) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| CPU | AMD A9 9425 / 3.1 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | 3.4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 1 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo IdeaPad 330S-15AST (Lenovo IdeaPad 330S) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| RAM | 4 GB (provided memory is soldered) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 8 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 1866 MHz | 2400 MHz |
| Rated Speed | 1866 MHz | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 1 | 0 |
| STORAGE | Lenovo IdeaPad 330S-15AST (Lenovo IdeaPad 330S) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe - NVM Express (NVMe) | 128 GB SSD M.2 2280 PCIe 3.0 x4 |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad 330S-15AST (Lenovo IdeaPad 330S) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | AMD Radeon R5 | NVIDIA GeForce MX150 / Intel UHD Graphics 620 |
| Video Memory | - | 2 GB GDDR5 SDRAM |
| Camera | Yes - 720p | Yes - 720p |
| Resolution | 1 Megapixel | 1 Megapixel |
| Camera Features | - | Fixed focus |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Compliant Standards | High Definition Audio, Dolby Audio Premium | High Definition Audio, Dolby Audio Premium |
| Audio Features | - | Output: JBL |
| COMMUNICATIONS | Lenovo IdeaPad 330S-15AST (Lenovo IdeaPad 330S) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | M.2 Card | M.2 Card |
| Features | Single stream (1x1) | Single stream (1x1) |
| BATTERY | Lenovo IdeaPad 330S-15AST (Lenovo IdeaPad 330S) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Technology | Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 30 Wh | 55 Wh |
| Battery Life | Up to 5 hours | Up to 14 hours |
| AC ADAPTER | Lenovo IdeaPad 330S-15AST (Lenovo IdeaPad 330S) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 65 Watt |
| INPUT | Lenovo IdeaPad 330S-15AST (Lenovo IdeaPad 330S) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Multi-touch touchpad | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad 330S-15AST (Lenovo IdeaPad 330S) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack |
USB 3.0 (Always On) USB 3.0 USB-C 3.1 Gen 1/Thunderbolt 3/DisplayPort 1.2a (Power Delivery) HDMI Headphone/microphone combo jack |
|---|---|---|
| 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 330S-15AST (Lenovo IdeaPad 330S) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Operating System (OS) | Windows 10 Home in S mode - English | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | - | Lenovo Settings, McAfee LiveSafe (30 days trial), Lenovo ID, Lenovo App Explorer |
| MISCELLANEOUS | Lenovo IdeaPad 330S-15AST (Lenovo IdeaPad 330S) | Lenovo IdeaPad 720S-14IKBR (81BD) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | Fingerprint reader |
| Security Slot Type | Kensington mini security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, hard drive password, power-on password, RapidCharge | Administrator password, power-on password |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | RoHS |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |
| Model Number | 15AST 81F9 | - |
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