In depth comparison and review of Lenovo Yoga 730-15IKB (81CU) and Lenovo ThinkBook 14s Yoga G3 IRU (21JG). 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 ThinkBook 14s Yoga G3 IRU (21JG) based on its technical characteristics, features, user experience, expert reviews and price level.
versatile 2-in-1 design
sharp full-hd display
solid build quality
responsive touch screen
good keyboard comfort
average battery life
limited port selection
moderate graphics performance
heavier than competitors
| DESIGN AND DIMENSIONS | Lenovo Yoga 730-15IKB (81CU) | Lenovo ThinkBook 14s Yoga G3 IRU (21JG) |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 24.9 cm x 1.715 cm | 32 cm x 21.6 cm x 1.69 cm |
| Weight | 1.89 kg | 1.5 kg |
| Case Material | Aluminum | Aluminium (top), aluminium (bottom) |
| Colour | Iron grey | Dual tone mineral grey |
| DISPLAY | Lenovo Yoga 730-15IKB (81CU) | Lenovo ThinkBook 14s Yoga G3 IRU (21JG) |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" - IPS |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | Yes (10-point multi-touch) |
| LCD Backlight Technology | 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 | 300 cd/m² |
| Colour Gamut | - | 100% sRGB |
| Features | Anti-glare | Glossy, Corning Gorilla glass, anti-glare, Direct Bonding technology, anti-fingerprint, capacitive touch screen, 170° viewing angle, one glass metal mesh (OGM), Dolby Vision |
| PROCESSOR | Lenovo Yoga 730-15IKB (81CU) | Lenovo ThinkBook 14s Yoga G3 IRU (21JG) |
|---|
| CPU | Intel Core i7 (8th Gen) 8550U / 1.8 GHz | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 4.6 GHz |
| Number of Cores | Quad-Core | 10-core |
| Cache | 8 MB | 12 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo Yoga 730-15IKB (81CU) | Lenovo ThinkBook 14s Yoga G3 IRU (21JG) |
|---|
| RAM | 16 GB (1 x 8 GB + 8 GB (soldered)) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 3200 MHz |
| Rated Speed | 2400 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 1 |
| STORAGE | Lenovo Yoga 730-15IKB (81CU) | Lenovo ThinkBook 14s Yoga G3 IRU (21JG) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo Yoga 730-15IKB (81CU) | Lenovo ThinkBook 14s Yoga G3 IRU (21JG) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce GTX 1050 / Intel UHD Graphics 620 | Intel Iris Xe Graphics |
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 4 GB GDDR5 SDRAM | - |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 720p | Yes - 1080p |
| Resolution | 1 Megapixel | - |
| Camera Features | - | Privacy shutter, fixed focus |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Conexant CX11870 | Realtek ALC3287 |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Atmos |
| Audio Features | JBL | Input: noise-cancellation technology |
| COMMUNICATIONS | Lenovo Yoga 730-15IKB (81CU) | Lenovo ThinkBook 14s Yoga G3 IRU (21JG) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | M.2 Card | M.2 Card |
| Features | - | Dual stream (2x2) |
| BATTERY | Lenovo Yoga 730-15IKB (81CU) | Lenovo ThinkBook 14s Yoga G3 IRU (21JG) |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 51.5 Wh | 60 Wh |
| Battery Life | Up to 11 hours | Up to 15.8 hours |
| Battery Run Time | - | Local video (1080p) playback time (150 nits): up to 15.8 hours |
| AC ADAPTER | Lenovo Yoga 730-15IKB (81CU) | Lenovo ThinkBook 14s Yoga G3 IRU (21JG) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 90 Watt | 65 Watt |
| INPUT | Lenovo Yoga 730-15IKB (81CU) | Lenovo ThinkBook 14s Yoga G3 IRU (21JG) |
|---|
| Type | Keyboard, digitizer, touchpad, digital pen | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo Yoga 730-15IKB (81CU) | Lenovo ThinkBook 14s Yoga G3 IRU (21JG) |
|---|
| Slots | - | 2 x M.2 (PCI Express 4.0 x4) (1 free) |
|---|---|---|
| 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 3.2 Gen 1 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 Headphone/microphone combo jack |
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo Yoga 730-15IKB (81CU) | Lenovo ThinkBook 14s Yoga G3 IRU (21JG) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 11 Pro - German |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo Yoga 730-15IKB (81CU) | Lenovo ThinkBook 14s Yoga G3 IRU (21JG) |
|---|
| Included Accessories | Power adapter, Lenovo Active Pen 2, pen holder | USB-C power adapter, ThinkBook Yoga Integrated Smart Pen |
|---|---|---|
| Integrated Options | Accelerometer, gyro sensor | - |
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | 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 | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS |
| Compliant Standards | RoHS | RoHS, Energy-Related Products (ErP) Lot 6, Energy-Related Products (ErP) Lot 26, TUV Rheinland Low Blue Light (Software Solution) |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site - response time: next business day |
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