In depth comparison and review of Lenovo Yoga 730-15IKB (81CU) and Lenovo IdeaPad C340-14IWL (81N4). 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 Yoga 730-15IKB (81CU) based on its technical characteristics, features, user experience, expert reviews and price level.
flexible 2-in-1 design
responsive touchscreen display
solid build quality
decent battery life
good overall performance
heavier than competitors
limited port selection
noisy under load
average color accuracy
Advantages and disadvantages of Lenovo IdeaPad C340-14IWL (81N4) based on its technical characteristics, features, user experience, expert reviews and price level.
flexible 2-in-1 design
responsive touchscreen display
lightweight and portable
solid build quality
affordable price point
average battery life
moderate processor speed
limited graphics performance
minimal port variety
| DESIGN AND DIMENSIONS | Lenovo Yoga 730-15IKB (81CU) | Lenovo IdeaPad C340-14IWL (81N4) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 24.9 cm x 1.715 cm | 32.8 cm x 22.9 cm x 1.79 cm |
| Weight | 1.89 kg | 1.65 kg |
| Case Material | Aluminum | Polycarbonate, polycarbonate ABS, glass-fibre |
| Colour | Iron grey | Platinum | Abyss blue |
| DISPLAY | Lenovo Yoga 730-15IKB (81CU) | Lenovo IdeaPad C340-14IWL (81N4) |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" - TN |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 220 cd/m² |
| Features | Anti-glare | Glossy |
| PROCESSOR | Lenovo Yoga 730-15IKB (81CU) | Lenovo IdeaPad C340-14IWL (81N4) |
|---|
| CPU | Intel Core i7 (8th Gen) 8550U / 1.8 GHz | Intel Core i3 (8th Gen) 8145U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 3.9 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 8 MB | 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo Yoga 730-15IKB (81CU) | Lenovo IdeaPad C340-14IWL (81N4) |
|---|
| RAM | 16 GB (1 x 8 GB + 8 GB (soldered)) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 16 GB | 20 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2400 MHz |
| Rated Speed | 2400 MHz | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | Lenovo Yoga 730-15IKB (81CU) | Lenovo IdeaPad C340-14IWL (81N4) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo Yoga 730-15IKB (81CU) | Lenovo IdeaPad C340-14IWL (81N4) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce GTX 1050 / Intel UHD Graphics 620 | Intel UHD Graphics |
| Video Memory | 4 GB GDDR5 SDRAM | - |
| Camera | Yes - 720p | Yes - 720p |
| Resolution | 1 Megapixel | 1 Megapixel |
| Camera Features | - | Privacy shutter |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Conexant CX11870 | - |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Audio |
| Audio Features | JBL | - |
| COMMUNICATIONS | Lenovo Yoga 730-15IKB (81CU) | Lenovo IdeaPad C340-14IWL (81N4) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | M.2 Card | M.2 Card |
| Features | - | Single stream (1x1) |
| BATTERY | Lenovo Yoga 730-15IKB (81CU) | Lenovo IdeaPad C340-14IWL (81N4) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 51.5 Wh | 45 Wh |
| Battery Life | Up to 11 hours | Up to 8 hours |
| AC ADAPTER | Lenovo Yoga 730-15IKB (81CU) | Lenovo IdeaPad C340-14IWL (81N4) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 90 Watt | 65 Watt |
| INPUT | Lenovo Yoga 730-15IKB (81CU) | Lenovo IdeaPad C340-14IWL (81N4) |
|---|
| Type | Keyboard, digitizer, touchpad, digital pen | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo Yoga 730-15IKB (81CU) | Lenovo IdeaPad C340-14IWL (81N4) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 (supports Thunderbolt 3) HDMI Headphone/microphone combo jack |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo Yoga 730-15IKB (81CU) | Lenovo IdeaPad C340-14IWL (81N4) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo Yoga 730-15IKB (81CU) | Lenovo IdeaPad C340-14IWL (81N4) |
|---|
| Included Accessories | Power adapter, Lenovo Active Pen 2, pen holder | Power adapter |
|---|---|---|
| Integrated Options | Accelerometer, gyro sensor | - |
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Features | Administrator password, power-on password | Administrator password, hard drive password, power-on password, RapidCharge |
| Compliant Standards | RoHS | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | - | 0.82 W/kg (body), 0.82 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| Specific Absorption Rate (SAR) | - | 0.82 W/kg (body) 0.82 W/kg (limb) |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |
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