Lenovo ThinkBook 14s Yoga G2 IAP (21DM) vs. Lenovo IdeaPad C340-14IML (81TK)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkBook 14s Yoga G2 IAP (21DM) and Lenovo IdeaPad C340-14IML (81TK). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

Lenovo ThinkBook 14s Yoga G2 IAP (21DM) Review

Advantages and disadvantages of Lenovo ThinkBook 14s Yoga G2 IAP (21DM) based on its technical characteristics, features, user experience, expert reviews and price level.

flexible 360-degree hinge

responsive touchscreen display

solid build quality

decent battery life

good performance benchmarks

average color accuracy

limited upgrade options

noisy under load

heavier than competitors

Lenovo IdeaPad C340-14IML (81TK) Review

Advantages and disadvantages of Lenovo IdeaPad C340-14IML (81TK) based on its technical characteristics, features, user experience, expert reviews and price level.

flexible 2-in-1 design

responsive touchscreen display

decent battery life

solid build quality

affordable price

moderate processor speed

limited graphics performance

basic audio quality

heavier than competitors

Laptop Comparison and Tests

Difference between Lenovo ThinkBook 14s Yoga G2 IAP (21DM) and Lenovo IdeaPad C340-14IML (81TK)
86 % - Design
83 % - Display
75 % - Performance
86 % - Connectivity
74 % - Battery
81 % - Design
72 % - Display
72 % - Performance
72 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkBook 14s Yoga G2 IAP (21DM) vs. Lenovo IdeaPad C340-14IML (81TK) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkBook 14s Yoga G2 IAP (21DM) Lenovo IdeaPad C340-14IML (81TK)
Product Type Notebook - flip design Notebook - flip design
Dimensions (WxDxH) 32 cm x 21.6 cm x 1.69 cm 32.8 cm x 22.9 cm x 1.79 cm
Weight 1.5 kg 1.65 kg
Case Material Aluminium (top), aluminium (bottom) Polycarbonate, polycarbonate ABS, glass-fibre
Colour Dual tone abyss blue Onyx black
DISPLAY Lenovo ThinkBook 14s Yoga G2 IAP (21DM) Lenovo IdeaPad C340-14IML (81TK)
Screen Size (Type) 14" - 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
Colour Gamut 100% sRGB 45% NTSC
Features Glossy, Corning Gorilla glass, anti-fingerprint, capacitive touch screen, 170° viewing angle, Glass Panel, Dolby Vision Glossy
PROCESSOR Lenovo ThinkBook 14s Yoga G2 IAP (21DM) Lenovo IdeaPad C340-14IML (81TK)
CPU Intel Core i5 (12th Gen) 1235U / 1.3 GHz Intel Core i3 (10th Gen) 10110U / 2.1 GHz
Max Turbo Speed 4.4 GHz 4.1 GHz
Number of Cores 10-core Dual-Core
Cache 12 MB 4 MB
64-bit Computing - Yes
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkBook 14s Yoga G2 IAP (21DM) Lenovo IdeaPad C340-14IML (81TK)
RAM 8 GB (provided memory is soldered) 8 GB (1 x 4 GB + 4 GB (soldered))
Max RAM Supported 16 GB 20 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz 2666 MHz
Rated Speed 3200 MHz 2666 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 1 0
STORAGE Lenovo ThinkBook 14s Yoga G2 IAP (21DM) Lenovo IdeaPad C340-14IML (81TK)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkBook 14s Yoga G2 IAP (21DM) Lenovo IdeaPad C340-14IML (81TK)
Graphics Processor (GPU) Intel Iris Xe Graphics Intel UHD Graphics
Max Monitors Supported 3 external monitor(s) -
Camera Yes - 1080p Yes - 720p
Camera Features Privacy shutter, fixed focus -
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Audio
Audio Features Noise-cancellation technology, Harman audio technology -
COMMUNICATIONS Lenovo ThinkBook 14s Yoga G2 IAP (21DM) Lenovo IdeaPad C340-14IML (81TK)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac, Bluetooth 4.2
Wireless Controller M.2 Card M.2 Card
Features Dual stream (2x2) Single stream (1x1)
BATTERY Lenovo ThinkBook 14s Yoga G2 IAP (21DM) Lenovo IdeaPad C340-14IML (81TK)
Technology Lithium polymer Lithium Ion
Battery Capacity (Size) 60 Wh 45 Wh
Battery Life Up to 10.5 hours Up to 10.5 hours
Battery Run Time Local video (1080p) playback time (150 nits): up to 10.5 hours -
AC ADAPTER Lenovo ThinkBook 14s Yoga G2 IAP (21DM) Lenovo IdeaPad C340-14IML (81TK)
Input AC 100-240 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkBook 14s Yoga G2 IAP (21DM) Lenovo IdeaPad C340-14IML (81TK)
Type Keyboard, digitizer, touchpad, digital pen Keyboard, touchpad
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkBook 14s Yoga G2 IAP (21DM) Lenovo IdeaPad C340-14IML (81TK)
Slots 2 x M.2 Card (1 free) -
Interfaces 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
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 Yes (microSD) 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Lenovo ThinkBook 14s Yoga G2 IAP (21DM) Lenovo IdeaPad C340-14IML (81TK)
Operating System (OS) Windows 11 Pro - English Windows 10 Home 64-bit Edition - English
Software Included Microsoft Office (Trial) Microsoft Office (Trial)
MISCELLANEOUS Lenovo ThinkBook 14s Yoga G2 IAP (21DM) Lenovo IdeaPad C340-14IML (81TK)
Included Accessories USB-C power adapter, ThinkBook Yoga Integrated Smart Pen Power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware 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, hard drive password, power-on password, MIL-STD-810H tested, self-healing BIOS Administrator password, hard drive password, power-on password, RapidCharge
Compliant Standards RoHS, FSC, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution) RoHS, Energy-Related Products (ErP) Lot 3
SAR Value - 0.82 W/kg (body), 0.82 W/kg (limb)
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Manufacturer Warranty Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site
Limited warranty - 1 year - pick-up and return
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