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Laptop comparison

Lenovo ThinkPad X1 Carbon Gen 12 (Core Ultra 7 155U) vs Lenovo Legion 5 (Core i9-14900HX, RTX 5070)

Compare performance, display, memory, battery and ports.

Compared products
01Selected
Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSD

Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSD

  • 14 inch screen.
  • Intel Core Ultra 7 155U processor.
  • Storage: M.2 2280 PCIe Gen4 NVMe SSD, Opal 2.0.
  • 32 GB RAM in this version.
  • 57 Wh of stored energy.
KSh 235,000Out of Stock
02
Lenovo Legion 5, Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB

Lenovo Legion 5, Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB

  • 1,900 g.
  • 15.1 inch screen.
  • 165 Hz display refresh rate.
  • Intel Core i9-14900HX processor.
  • Storage: PCIe NVMe SSD.
KSh 255,000Out of Stock

Add to comparison

2 spaces available

Apple MacBook Air 15-inch, M5KSh 227,000
Lenovo ThinkPad X1 Carbon Gen 11, Core i7-1365U vPro, 16GB RAM, 1TB SSDKSh 260,000
Lenovo Legion 5, Core i9-14900HX, 32GB RAM, 1TB SSD, RTX 5070 8GBKSh 265,000
Lenovo Legion 5i, Core Ultra 9 275HX, 32GB RAM, 1TB SSD, RTX 5060 8GBKSh 245,000
Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 165U vPro, 64GB RAM, 512GB SSDKSh 225,000
Lenovo ThinkPad T14s Gen 1 x360, Core Ultra 7 255U, 16GB RAM, 1TB SSDKSh 196,000
Apple MacBook Air 13-inch, M1KSh 93,000
2 of 4 products

Our quick verdict

Choose the Lenovo ThinkPad X1 Carbon Gen 12 if you want more memory (32 GB RAM), a match-on-chip fingerprint reader in power button and a lighter build (about 1.08 kg). Choose the Lenovo Legion 5 if you want dedicated RTX 5070 Laptop GPU graphics, more storage (1 TB) and a larger 15.1-inch screen.

Display

Lenovo ThinkPad X1 Carbon Gen 12
14 inch screen
Lenovo Legion 5
15.1 inch screen

Performance

Lenovo ThinkPad X1 Carbon Gen 12
Intel Core Ultra 7 155U processor
Lenovo Legion 5
Intel Core i9-14900HX processor

Storage

Lenovo ThinkPad X1 Carbon Gen 12
M.2 2280 PCIe Gen4 NVMe SSD, Opal 2.0
Lenovo Legion 5
PCIe NVMe SSD

Memory

Lenovo ThinkPad X1 Carbon Gen 12
32 GB RAM in this version
Lenovo Legion 5
16 GB RAM in this version

Battery life

Lenovo ThinkPad X1 Carbon Gen 12
57 Wh rechargeable lithium-ion
Lenovo Legion 5
Up to 3.1 hours per charge

Key differences

The main differences to help you choose.

Lenovo ThinkPad X1 Carbon Gen 12

  • More memory: 32 GB RAM (vs 16 GB).
  • Match-on-chip fingerprint reader in power button.
  • Lighter: about 1.08 kg (vs about 1.9 kg).

Lenovo Legion 5

  • Dedicated RTX 5070 graphics (vs integrated Intel graphics).
  • More storage: 1 TB (vs 512 GB).
  • Larger 15.1-inch screen (vs 14-inch).
  • Gigabit Ethernet.
  • Newer Bluetooth 5.4 (vs 5.3).
  • More CPU cores: 24 (vs 12).

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

6 priorities selected.
How each product answers the selected priorities
PriorityLenovo ThinkPad X1 Carbon Gen 12Lenovo Legion 5
PerformanceIntel Core Ultra 7 155U processor, Integrated Intel graphicsIntel Core i9-14900HX processor, RTX 5070 Laptop GPU graphics
Memory32 GB RAM16 GB RAM
Storage512 GB storage1 TB storage
Display14-inch OLED display15.1-inch OLED display, 165 Hz
Battery life57 Wh rechargeable lithium-ionUp to 3.1 hours per charge
WeightAbout 1.08 kgAbout 1.9 kg

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo Legion 5, Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB
BrandLenovoLenovo
ModelLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155ULenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB
Announced20242025
Form FactorClamshellClamshell
ColorBlackEclipse black

Design

Design specifications comparison
SpecificationLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo Legion 5, Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB
Dimensions312.80 × 214.75 × 14.96 mmOLED model: 344.9 × 255.35 × 19.95–21.54 mm
WeightStarting at 1.08 kg; configuration dependentStarting at 1.9 kg for OLED model
Build Materialscarbon fiber buildPlastic chassis

Display

Display specifications comparison
SpecificationLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo Legion 5, Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB
Display Size14 inches15.1 inches
Display TypeIPS or OLED depending on panel configurationOLED
Resolution1920 × 1200 IPS or 2880 × 1800 OLED, depending on configuration2560 × 1600
Refresh Rate—165Hz
Brightness—500 nits
Touchscreen—No
Display Features—100% DCI-P3

Performance

Performance specifications comparison
SpecificationLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo Legion 5, Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB
ProcessorIntel Core Ultra 7 155UIntel Core i9-14900HX
CPU12 cores, 14 threads, up to 4.8GHz24 cores (8 performance + 16 efficiency), 32 threads, up to 5.8GHz
GPUIntegrated Intel GraphicsNVIDIA GeForce RTX 5070 Laptop GPU
Graphics MemoryShared system memory8GB GDDR7
RAM TypeLPDDR5x-6400; soldered, no memory slotsDDR5-5600
Storage TypeM.2 2280 PCIe Gen4 NVMe SSD, Opal 2.0PCIe NVMe SSD

Memory & Storage

Memory & Storage specifications comparison
SpecificationLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo Legion 5, Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB
RAM32GB16GB
Storage512GB1TB

Battery & Charging

Battery & Charging specifications comparison
SpecificationLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo Legion 5, Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB
Battery57 Wh rechargeable lithium-ion60 Wh or 80 Wh lithium-ion, depending on configuration
ChargingRapid Charge: up to 80% in 1 hour with 65 W adapter and system off/standbySuper Rapid Charge
Power Adapter45 W or 65 W USB-C Power Delivery 3.0 AC adapter platform options230W / 300W Adapter
Battery Life—Lenovo tests: 60 Wh models up to 3.1 hours MobileMark 30 or 6.1 hours video; 80 Wh models up to 4.2 hours MobileMark 30 or 9 hours video

Software

Software specifications comparison
SpecificationLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo Legion 5, Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB
Operating SystemWindows 11 Pro/Home or Linux/no preload, depending on configurationWindows 11 Home

Connectivity

Connectivity specifications comparison
SpecificationLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo Legion 5, Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB
Wi-FiWi-Fi 6E AX211; Wi-Fi 7 BE200 on selected configurationsWi-Fi 7
Bluetooth5.3; selected Wi-Fi 7 hardware is 5.4 readyBluetooth 5.4
EthernetNo built-in EthernetGigabit Ethernet

Camera & Audio

Camera & Audio specifications comparison
SpecificationLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo Legion 5, Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB
WebcamFHD 1080p + IR or 8 MP + IR, depending on display configuration; privacy shutter720p HD or 5 MP with E-shutter, depending on configuration
Speakers2 × 2 W stereo speakersStereo 2W ×2 Speakers
MicrophonesDual far-field microphone arrayDual Microphone Array
Audio FeaturesDolby Atmos; Dolby Voice; Realtek ALC3306HARMAN audio; Nahimic enhancement

Keyboard & Input

Keyboard & Input specifications comparison
SpecificationLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo Legion 5, Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB
KeyboardSpill-resistant six-row ThinkPad keyboard24-zone RGB keyboard
Keyboard BacklightYesYes
TrackpadGlass Trackpad with TrackPoint; haptic touchpad optional by configurationMylar Precision Touchpad, 75 × 120 mm
Fingerprint ReaderMatch-on-chip fingerprint reader in power buttonNo
Stylus SupportNoNo

Ports

Ports specifications comparison
SpecificationLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo Legion 5, Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB
USB-A2 × USB-A 5 Gbps; one Always On3 × USB-A 5 Gbps; one Always On
USB-C2 × Thunderbolt 4 / USB4 40 Gbps, Power Delivery 3.0 and DisplayPort 2.12 × USB-C 10 Gbps; one with 95–100 W PD and DisplayPort 2.1, one with DisplayPort 1.4
Thunderbolt / USB42 × Thunderbolt 4 / USB4 40 GbpsNo; USB-C 10 Gbps ports
HDMIHDMI 2.1; up to 4K at 60 HzHDMI 2.1; up to 8K at 60 Hz
DisplayPortDisplayPort 2.1 over Thunderbolt 4DisplayPort 2.1 / 1.4 over USB-C
Memory Card ReaderNo card readerNo card reader
3.5mm Audio Jack3.5 mm headphone/microphone combo3.5 mm headphone/microphone combo
Other Ports—Slim-tip power connector

Additional Features

Additional Features specifications comparison
SpecificationLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo Legion 5, Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB
SecurityDiscrete TPM 2.0; camera privacy shutter; Kensington Nano lock slotFirmware TPM 2.0; camera E-shutter
Special FeaturesIntel AI Boost NPU; TrackPoint Quick Menu; MIL-STD-810H testedLenovo AI Engine / gaming performance features

What's in the Box

What's in the Box specifications comparison
SpecificationLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo Legion 5, Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB
LaptopLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155ULenovo Legion 5 Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GB
Power Adapter—230W / 300W Adapter

Similarities

  • Both have a 3.5 mm headphone jack.
  • Both have OLED displays.
  • Both have stereo speakers.
  • Both have built-in microphones for calls.
  • Both connect over Bluetooth.
  • Both transfer data at up to 5 Gbps.

In summary

Choose Legion 5 for dedicated RTX 5070 graphics and more storage; ThinkPad X1 Carbon Gen 12 offers more memory and a lighter build.

Back to compared products ↑

In-stock alternatives

Apple MacBook Air 15-inch, M5For Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDApple MacBook Air 15-inch, M5View product ↗HP OmniBook 7 Flip 16-au0773cl, Core Ultra 7 258V, 32GB RAM, 1TB SSDFor Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDHP OmniBook 7 Flip 16-au0773cl, Core Ultra 7 258V, 32GB RAM, 1TB SSDView product ↗HP OMEN Slim 16, Core Ultra 9 285H, 32GB RAM, 1TB SSD, RTX 5070 8GBFor Lenovo Legion 5, Core i9-14900HX, 16GB RAM, 1TB SSD, RTX 5070 8GBHP OMEN Slim 16, Core Ultra 9 285H, 32GB RAM, 1TB SSD, RTX 5070 8GBView product ↗

Related comparisons

Lenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDApple MacBook Air 15-inch, M5Lenovo ThinkPad X1 Carbon Gen 11, Core i7-1365U vPro, 16GB RAM, 1TB SSDLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo Legion 5, Core i9-14900HX, 32GB RAM, 1TB SSD, RTX 5070 8GBLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo Legion 5i, Core Ultra 9 275HX, 32GB RAM, 1TB SSD, RTX 5060 8GBLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 165U vPro, 64GB RAM, 512GB SSDLenovo ThinkPad X1 Carbon Gen 12, Core Ultra 7 155U, 32GB RAM, 512GB SSDLenovo ThinkPad T14s Gen 1 x360, Core Ultra 7 255U, 16GB RAM, 1TB SSD
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