Lenovo ThinkPad X1 Carbon Gen 10 (21CB) vs. Lenovo IdeaPad S340-14API (81NB)

Laptop Comparison, Reviews and Tests
Lenovo ThinkPad X1 Carbon Gen 10 (21CB)
Lenovo ThinkPad X1 Carbon Gen 10 (21CB)

Our Rating: 85 %

Detailed comparison and review of Lenovo ThinkPad X1 Carbon Gen 10 (21CB) and Lenovo IdeaPad S340-14API (81NB). 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 ThinkPad X1 Carbon Gen 10 (21CB) Review

Advantages and disadvantages of Lenovo ThinkPad X1 Carbon Gen 10 (21CB) based on its technical characteristics, features, user experience, expert reviews and price level.

ultra-lightweight design

impressive battery life

robust security features

high-resolution display

powerful processor performance

higher price point

limited port variety

no dedicated GPU

average speaker quality

Lenovo IdeaPad S340-14API (81NB) Review

Advantages and disadvantages of Lenovo IdeaPad S340-14API (81NB) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

comfortable keyboard

decent battery life

solid performance

average display quality

limited port selection

no backlit keyboard

mediocre sound output

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X1 Carbon Gen 10 (21CB) and Lenovo IdeaPad S340-14API (81NB)
85 % - Design
83 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
73 % - Design
64 % - Display
72 % - Performance
73 % - Connectivity
76 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X1 Carbon Gen 10 (21CB) vs. Lenovo IdeaPad S340-14API (81NB) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo IdeaPad S340-14API (81NB)
Product Type Notebook - 180-degree hinge design Notebook
Dimensions (WxDxH) 31.56 cm x 22.25 cm x 1.536 cm 32.27 cm x 23.05 cm x 1.79 cm
Weight 1.12 kg 1.69 kg
Case Material Aluminium (bottom), carbon fibre (top) Aluminum, polycarbonate ABS
Colour Deep black weave Abyss blue
DISPLAY Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo IdeaPad S340-14API (81NB)
Screen Size (Type) 14" OLED 14" - TN
LCD Backlight Technology - LED backlight
Screen Resolution 2880 x 1800 (2.8K) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 400 cd/m² 220 cd/m²
Colour Gamut 100% DCI-P3 -
Features Anti-glare, anti-reflective, anti-smudge, 170° viewing angle, Eyesafe technology, HDR 500 True Black Anti-glare
PROCESSOR Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo IdeaPad S340-14API (81NB)
CPU Intel Core i5 (12th Gen) 1235U / 1.3 GHz AMD Ryzen 3 3200U / 2.6 GHz
Max Turbo Speed 4.4 GHz 3.5 GHz
Number of Cores 10-core Dual-Core
Cache 12 MB L3 - 4 MB
64-bit Computing - Yes
Platform Technology Intel Evo -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo IdeaPad S340-14API (81NB)
RAM 16 GB (provided memory is soldered) 8 GB (1 x 4 GB + 4 GB (soldered))
Max RAM Supported - 12 GB
RAM Type LPDDR5 SDRAM DDR4 SDRAM
Speed 5200 MHz 2400 MHz
Rated Speed 5200 MHz 2400 MHz
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 0
STORAGE Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo IdeaPad S340-14API (81NB)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Performance 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo IdeaPad S340-14API (81NB)
Graphics Processor (GPU) Intel Iris Xe Graphics AMD Radeon Vega 3
Max Monitors Supported 3 external monitor(s) -
Camera Yes - 1080p Yes - 720p
Resolution - 1 Megapixel
Camera Features Privacy shutter, IR camera, fixed focus, MIPI, Computer Vision Privacy shutter
Sound Two tweeters, two woofers, quad array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3306 -
Compliant Standards High Definition Audio, Dolby Atmos, Dolby Voice High Definition Audio, Dolby Audio
COMMUNICATIONS Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo IdeaPad S340-14API (81NB)
Wireless NFC, Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac, Bluetooth 4.2
Wireless Controller Intel Wi-Fi 6E AX 211 M.2 Card
Features Dual stream (2x2) Single stream (1x1)
WWAN
Generation 4G upgradable -
BATTERY Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo IdeaPad S340-14API (81NB)
Technology Lithium polymer Lithium Ion
Battery Capacity (Size) 57 Wh 52.5 Wh
Battery Life Up to 24.9 hours Up to 8 hours
AC ADAPTER Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo IdeaPad S340-14API (81NB)
Input AC 100-240 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo IdeaPad S340-14API (81NB)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad, air intake key design Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo IdeaPad S340-14API (81NB)
Slots 1 x Nano-SIM card (1 free) -
Interfaces USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4a 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 - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo IdeaPad S340-14API (81NB)
Operating System (OS) Windows 11 Pro - English Windows 10 Home in S mode - English
Software Included Glance by Mirametrix, Intel Connectivity Performance Suite Microsoft Office (30 days trial)
MISCELLANEOUS Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo IdeaPad S340-14API (81NB)
Included Accessories USB-C slim power adapter Power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM 2.0) Security Chip
Security Slot Type Kensington nano security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0 Administrator password, hard drive password, power-on password, RapidCharge
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified RoHS, Energy-Related Products (ErP) Lot 3
SAR Value - 1.084 W/kg (body), 1.084 W/kg (limb)
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
Specific Absorption Rate (SAR) - 1.084 W/kg (body)
1.084 W/kg (limb)
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Manufacturer Warranty Base warranty - 3 years - pick-up and return
Limited warranty - battery - 1 year
Extended warranty - 3 years - on-site
Limited warranty - 1 year - pick-up and return
Other Comparisons with Lenovo ThinkPad X1 Carbon Gen 10 (21CB)
Other Comparisons with Lenovo IdeaPad S340-14API (81NB)
Other Popular Laptop Comparisons
Other projects: