Lenovo Yoga 730-15IKB (81CU) vs. Lenovo ThinkPad X13 Yoga Gen 4 (21F3)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo Yoga 730-15IKB (81CU) and Lenovo ThinkPad X13 Yoga Gen 4 (21F3). 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.

Lenovo Yoga 730-15IKB (81CU) Review

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

Lenovo ThinkPad X13 Yoga Gen 4 (21F3) Review

Advantages and disadvantages of Lenovo ThinkPad X13 Yoga Gen 4 (21F3) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

versatile 2-in-1 design

excellent keyboard comfort

impressive security features

good battery life

higher price point

limited graphics performance

no OLED display option

modest port selection

Laptop Comparison and Tests

Difference between Lenovo Yoga 730-15IKB (81CU) and Lenovo ThinkPad X13 Yoga Gen 4 (21F3)
85 % - Design
75 % - Display
75 % - Performance
78 % - Connectivity
72 % - Battery
83 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo Yoga 730-15IKB (81CU) vs. Lenovo ThinkPad X13 Yoga Gen 4 (21F3) Comparison Chart
DESIGN AND DIMENSIONS Lenovo Yoga 730-15IKB (81CU) Lenovo ThinkPad X13 Yoga Gen 4 (21F3)
Product Type Notebook - flip design Notebook - flip design
Dimensions (WxDxH) 36 cm x 24.9 cm x 1.715 cm 30.17 cm x 21.46 cm x 1.64 cm
Weight 1.89 kg 1.21 kg
Case Material Aluminum Magnesium (bottom), magnesium (top)
Colour Iron grey Deep black
DISPLAY Lenovo Yoga 730-15IKB (81CU) Lenovo ThinkPad X13 Yoga Gen 4 (21F3)
Screen Size (Type) 15.6" - IPS 13.3" - 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 1200 (WUXGA)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 300 cd/m² 300 cd/m²
Colour Gamut - 100% sRGB
Features Anti-glare One Glass Solution
PROCESSOR Lenovo Yoga 730-15IKB (81CU) Lenovo ThinkPad X13 Yoga Gen 4 (21F3)
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 ThinkPad X13 Yoga Gen 4 (21F3)
RAM 16 GB (1 x 8 GB + 8 GB (soldered)) 8 GB (provided memory is soldered)
Max RAM Supported 16 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed 2400 MHz 4800 MHz
Rated Speed 2400 MHz 4800 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 0 -
STORAGE Lenovo Yoga 730-15IKB (81CU) Lenovo ThinkPad X13 Yoga Gen 4 (21F3)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia
AUDIO & VIDEO Lenovo Yoga 730-15IKB (81CU) Lenovo ThinkPad X13 Yoga Gen 4 (21F3)
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
Resolution 1 Megapixel 5 Megapixel
Camera Features - Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection
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 Audio
Audio Features JBL Input: Dolby Voice, 360° far-field
COMMUNICATIONS Lenovo Yoga 730-15IKB (81CU) Lenovo ThinkPad X13 Yoga Gen 4 (21F3)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.1 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller M.2 Card Intel Wi-Fi 6E AX 211
Network Interface - Gigabit Ethernet
BATTERY Lenovo Yoga 730-15IKB (81CU) Lenovo ThinkPad X13 Yoga Gen 4 (21F3)
Technology Lithium Ion 4-cell lithium polymer
Battery Capacity (Size) 51.5 Wh 54.7 Wh
Battery Life Up to 11 hours -
AC ADAPTER Lenovo Yoga 730-15IKB (81CU) Lenovo ThinkPad X13 Yoga Gen 4 (21F3)
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 ThinkPad X13 Yoga Gen 4 (21F3)
Type Keyboard, digitizer, touchpad, digital pen Keyboard, digitizer, TrackPoint, digital pen, UltraNav
Keyboard Backlight Yes Yes
Features Multi-touch touchpad, buttonless touchpad Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Lenovo Yoga 730-15IKB (81CU) Lenovo ThinkPad X13 Yoga Gen 4 (21F3)
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)
2 x USB4 (supports Thunderbolt 4, DisplayPort 2.0 Alt Mode) (Power Delivery 3.0)
HDMI 2.1 (4K support)
Headphone/microphone combo jack
LAN (on supplied adapter)
SOFTWARE Lenovo Yoga 730-15IKB (81CU) Lenovo ThinkPad X13 Yoga Gen 4 (21F3)
Operating System (OS) Windows 10 Home 64-bit Edition - English Windows 11 Pro
MISCELLANEOUS Lenovo Yoga 730-15IKB (81CU) Lenovo ThinkPad X13 Yoga Gen 4 (21F3)
Included Accessories Power adapter, Lenovo Active Pen 2, pen holder USB-C power adapter, Lenovo USB-C to Ethernet Adapter, Lenovo Integrated 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, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, Firmware Resiliency 3.0, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication
Compliant Standards RoHS RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0
ENERGY STAR Certified Yes -
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 -
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