Lenovo ThinkPad X1 Carbon Gen 10 (21CB) vs. Lenovo V15 G4 IAH (83FS)

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 V15 G4 IAH (83FS). 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 V15 G4 IAH (83FS) Review

Advantages and disadvantages of Lenovo V15 G4 IAH (83FS) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price point

solid build quality

decent processor performance

sufficient connectivity options

lightweight design

average display quality

limited graphics power

modest battery life

no backlit keyboard

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X1 Carbon Gen 10 (21CB) and Lenovo V15 G4 IAH (83FS)
85 % - Design
83 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
75 % - Design
65 % - Display
72 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X1 Carbon Gen 10 (21CB) vs. Lenovo V15 G4 IAH (83FS) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo V15 G4 IAH (83FS)
Product Type Notebook - 180-degree hinge design Notebook
Dimensions (WxDxH) 31.56 cm x 22.25 cm x 1.536 cm 35.92 cm x 23.58 cm x 1.99 cm
Weight 1.12 kg 1.67 kg
Case Material Aluminium (bottom), carbon fibre (top) Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Deep black weave Business black
DISPLAY Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo V15 G4 IAH (83FS)
Screen Size (Type) 14" OLED 15.6" - TN
Screen Resolution 2880 x 1800 (2.8K) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 400 cd/m² 250 cd/m²
Colour Gamut 100% DCI-P3 45% NTSC
Features Anti-glare, anti-reflective, anti-smudge, 170° viewing angle, Eyesafe technology, HDR 500 True Black Anti-glare, Low Blue Light technology
PROCESSOR Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo V15 G4 IAH (83FS)
CPU Intel Core i5 (12th Gen) 1235U / 1.3 GHz Intel Core i5 (12th Gen) 12500H / 2.5 GHz
Max Turbo Speed 4.4 GHz 4.5 GHz
Number of Cores 10-core 12-core
Cache 12 MB 18 MB
Platform Technology Intel Evo -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo V15 G4 IAH (83FS)
RAM 16 GB (provided memory is soldered) 8 GB (provided memory is soldered)
Max RAM Supported - 16 GB
RAM Type LPDDR5 SDRAM DDR4 SDRAM
Speed 5200 MHz 3200 MHz
Rated Speed 5200 MHz 3200 MHz
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 1
STORAGE Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo V15 G4 IAH (83FS)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Performance 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo V15 G4 IAH (83FS)
Graphics Processor (GPU) Intel Iris Xe Graphics Intel Iris Xe Graphics
Max Monitors Supported 3 external monitor(s) 2 external monitor(s)
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 1080p Yes - 720p
Camera Features Privacy shutter, IR camera, fixed focus, MIPI, Computer Vision Privacy shutter, fixed focus
Sound Two tweeters, two woofers, quad array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3306 Realtek ALC3287
Compliant Standards High Definition Audio, Dolby Atmos, Dolby Voice High Definition Audio, Dolby Audio
Audio Features - Input: noise-cancellation technology
COMMUNICATIONS Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo V15 G4 IAH (83FS)
Wireless NFC, Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller Intel Wi-Fi 6E AX 211 M.2 Card
Network Interface - Gigabit Ethernet
Features Dual stream (2x2) Dual stream (2x2)
WWAN
Generation 4G upgradable -
BATTERY Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo V15 G4 IAH (83FS)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 57 Wh 38 Wh
Battery Life Up to 24.9 hours Up to 9.1 hours
Battery Run Time - Local video (1080p) playback time (150 nits): up to 9.1 hours
AC ADAPTER Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo V15 G4 IAH (83FS)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo V15 G4 IAH (83FS)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad, air intake key design Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad, SMB Service hot key
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo V15 G4 IAH (83FS)
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 3.2 Gen 1
USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery 3.0)
HDMI 1.4b
LAN
Headphone/microphone combo jack
USB 2.0
SOFTWARE Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo V15 G4 IAH (83FS)
Operating System (OS) Windows 11 Pro - English Windows 11 Pro - English
Software Included Glance by Mirametrix, Intel Connectivity Performance Suite Microsoft Office (Trial)
MISCELLANEOUS Lenovo ThinkPad X1 Carbon Gen 10 (21CB) Lenovo V15 G4 IAH (83FS)
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 Kensington nano security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) 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, MIL-STD-810H tested, self-healing BIOS
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified RoHS, Energy-Related Products (ErP) Lot 6, FSC, TUV Rheinland Low Blue Light (Software Solution)
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 5 °C 5 °C
Humidity Range Operating 8 - 95% 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
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