Lenovo ThinkPad X1 Carbon Gen 6 vs. Surface Pro 4: Full specs comparison

We have comprehensively analyzed the technical specifications for the Lenovo ThinkPad X1 Carbon Gen 6 and Surface Pro 4 models. Our report includes intricate details such as the CPU, memory, storage, battery life, display quality, and other features.

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Lenovo ThinkPad X1 Carbon Gen 6 image

Lenovo ThinkPad X1 Carbon Gen 6

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Surface Pro 4

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Lenovo ThinkPad X1 Carbon Gen 6 Pros

Reasons that Lenovo ThinkPad X1 Carbon Gen 6 is better than Surface Pro 4.

Significantly newer manufacturing

2018 vs. 2015

Much faster CPU performance

Intel Core i7-8650U inside Lenovo ThinkPad X1 Carbon Gen 6 has a 120% better multi-core CPU performance score than the Intel Core i7-6650U inside Surface Pro 4.

Geekbench 5 multi-core score
Lenovo ThinkPad X1 Carbon Gen 6 - Intel Core i7-8650U
3,879
Lenovo ThinkPad X1 Carbon Gen 6 - Intel Core i5-8350U
2,982
Lenovo ThinkPad X1 Carbon Gen 6 - Intel Core i5-8250U
1,971
Surface Pro 4 - Intel Core i7-6650U
1,757
Surface Pro 4 - Intel Core i5-6300U
1,319
Surface Pro 4 - Intel Core m3-6Y30
1,058
Supports faster memory

Lenovo ThinkPad X1 Carbon Gen 6 supports a faster memory speed than the Surface Pro 4. It supports up to 2133MHz versus 1866MHz of system memory on the Surface Pro 4.

Memory type and speed
Lenovo ThinkPad X1 Carbon Gen 6 - LPDDR3
2,133 MHz
Surface Pro 4 - LPDDR3
1,866 MHz
13% larger display

Lenovo ThinkPad X1 Carbon Gen 6 has a 14-inch screen size 13% larger than the 12.3-inch Surface Pro 4.

Display size
Lenovo ThinkPad X1 Carbon Gen 6
14-inch
Surface Pro 4
12.3-inch

Surface Pro 4 Pros

Reasons that Surface Pro 4 is better than Lenovo ThinkPad X1 Carbon Gen 6.

About 33% lighter

Surface Pro 4 weighed 1.69 pounds, 33% lighter than the 2.49 pounds Lenovo ThinkPad X1 Carbon Gen 6.

WeightLenovo ThinkPad X1 Carbon Gen 6Surface Pro 4
Pound
2.49 lbs.
1.69 lbs.
Kilogram
1.13 kg
0.77 kg

Key Similars

Similar characteristics share between Lenovo ThinkPad X1 Carbon Gen 6 and Surface Pro 4.

Supports the same maximum memory size of up to 16GB

Both laptops supports up to 16GB of system memory.

Max system memory size
Lenovo ThinkPad X1 Carbon Gen 6
16 GB
Surface Pro 4
16 GB

Prices

Here are the latest price updates and offers for both devices.

Lenovo ThinkPad X1 Carbon Gen 6 Price
Lenovo ThinkPad X1 Carbon (6th Gen) 14-inch FHD Laptop, Intel Quad Core i7-8650U, 16GB RAM, 256GB NVMe-PCIe SSD, Fingerprint Reader, Windows 10 Pro, Black (Renewed)
 Lenovo ThinkPad X1 Carbon (6th Gen) 14-inch FHD Laptop, Intel Quad Core i7-8650U, 16GB RAM, 256GB NVMe-PCIe SSD, Fingerprint Reader, Windows 10 Pro, Black (Renewed)
By Lenovo
$329.00
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Lenovo ThinkPad X1 Carbon (6th Gen) - Windows 10 Pro - Intel Quad Core i5-8350U, 256GB NVMe-PCIe SSD, 16GB RAM, 14 FHD IPS (1920x1080) Display, Fingerprint Reader, Black (Renewed)
 Lenovo ThinkPad X1 Carbon (6th Gen) - Windows 10 Pro - Intel Quad Core i5-8350U, 256GB NVMe-PCIe SSD, 16GB RAM, 14 FHD IPS (1920x1080) Display, Fingerprint Reader, Black (Renewed)
By Lenovo
$250.00
$319.00 22% OFF
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Lenovo X1 Carbon 6th Generation Ultrabook: Core i7-8550U, 16GB RAM, 512GB SSD, 14inch Full HD Display, Backlit Keyboard (Renewed)
 Lenovo X1 Carbon 6th Generation Ultrabook: Core i7-8550U, 16GB RAM, 512GB SSD, 14inch Full HD Display, Backlit Keyboard (Renewed)
By Lenovo
$329.00
$359.00 8% OFF
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Surface Pro 4 Price
Latest Microsoft Surface Pro 4 (2736 x 1824) Tablet 6th Generation (Intel Core i5-6300U, 8GB Ram, 256GB SSD, Bluetooth, Dual Camera) Windows 10 Professional (Renewed)
 Latest Microsoft Surface Pro 4 (2736 x 1824) Tablet 6th Generation (Intel Core i5-6300U, 8GB Ram, 256GB SSD, Bluetooth, Dual Camera) Windows 10 Professional (Renewed)
By Microsoft
$273.32
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Microsoft Surface Pro 4 (Intel Core M, 4GB RAM, 128GB) with Windows 10 Anniversary Update (Renewed)
 Microsoft Surface Pro 4 (Intel Core M, 4GB RAM, 128GB) with Windows 10 Anniversary Update (Renewed)
By Microsoft
$214.00
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Microsoft Surface Pro 4 128 GB, 4 GB RAM, Intel Core i5 (Renewed)
 Microsoft Surface Pro 4 128 GB, 4 GB RAM, Intel Core i5 (Renewed)
By Microsoft
$219.40
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Specs Comparison

Availability

Lenovo ThinkPad X1 Carbon Gen 6Surface Pro 4
Released20182015
Release Date-
  • Introduced: October 7, 2015
  • Pre-ordered: October 7, 2015
  • Released: October 26, 2015
Pricing-Starting at 899$
Generations-

Exterior

Lenovo ThinkPad X1 Carbon Gen 6Surface Pro 4
Dimensions12.73” x 8.54” x 0.62” (323.5 x 217.1 x 15.95 mm)
Width: 12.73” (323.5 mm)
Depth: 8.54” (217.1 mm)
Height: 0.62” (15.95 mm)
11.50” x 7.93” x 0.33” (292 mm x 201.42 mm x 8.4 mm)
Width: 11.50” (292 mm)
Height: 7.93” (201.42 mm)
Thickness: 0.33” (8.4 mm)
WeightStarting at 2.49 lbs (1.13 kg)
  • Intel Core m3: 1.69 lbs (766 g)
  • Intel Core i5 and i7: 1.73 lbs (786 g)
Colors
BlackBlack with color coded hinges
Silver
Keyboard and Trackpad
  • Spill-resistant, Backlit with white LED lighting keyboard.
  • Trackpad + TrackPoint® pointing device.
  • Surface Type Cover
    • Not included
    • Weight: 0.68 lb (310 g)
    • Dimension: 11.61 x 8.54 x 0.19 inches (295 mm x 216 mm x 5mm)
  • Keyboard:
    • Activation: Moving (mechanical) keys
    • Layout: QWERTY, full row of function keys (F1-F12)
    • 4 directional keys; Windows, Brightness and Media Controls Keys;
    • LED backlighting
  • Trackpad:
    • Precision glass trackpad.
    • Trackpad size: 4 x 2 inches (101.6 mm x 50.8 mm)
    • Supports a five-finger multitouch gesture.

Display

Lenovo ThinkPad X1 Carbon Gen 6Surface Pro 4
Size14 Inches12.3 Inches
Info
  • 14” FHD
    1920 x 1080, IPS, 60Hz, anti-glare, 300 nits, multi-touch.
  • 14” WQHD
    2560 x 1440, IPS, 60Hz, anti-glare, 300 nits, multi-touch.
  • 14” HDR WQHD
    2560 x 1440, IPS, 60Hz, glossy, Dolby Vision™ HDR, 500 nits, multi-touch.
  • Resolution: 2736 x 1824 (5M Pixels)
  • Density: 267 PPI
  • PixelSense™ Display
  • Contrast ratio: 1300:1
  • Aspect ratio: 3:2
  • Inking: designed together with Surface Pen
  • Touch: 10 points multi-touch with GPU-based processing
  • 100 percent sRGB color, individually calibrated

Ports

Lenovo ThinkPad X1 Carbon Gen 6Surface Pro 4
  • 2 x Thunderbolt™ 3
    Supports Power Delivery & DisplayPort.
  • 2 x USB 3.1 Gen 1
    Full-size USB-A ports always on.
  • 1 x Network extension for Ethernet/side mechanical docking
  • 1 x HDMI 1.4
  • 1 x Headphone / mic combo
  • 1 x MicroSD card reader
  • 1 x WWAN slot (Fibocom L850-GL 4G LTE-A cat 9) (optional)
  • 1 x Power button
  • 1 x Kensington lock slot
Surface Pro 4 Ports
Image Source: Microsoft
Left (1)
  • 1 x headphone jack
    Headphone/Microphone
Right (3)
  • 1 x Mini DisplayPort
  • 1 x USB-A
    USB 3.0 (5 Gbps)
  • 1 x Surface Connect
    Charging, Docking Station
Bottom (1)
  • 1 x Type Cover port
Under Kickstand (1)
  • 1 x microSD card slot

Internal Specs

Lenovo ThinkPad X1 Carbon Gen 6Surface Pro 4
Processor
  1. 8th Gen Intel® Core™ i5-8250U
    4 cores, 8 threads, 1.60 → 3.40 GHz, 6MB SmartCache, 15W
  2. 8th Gen Intel® Core™ i5-8350U
    4 cores, 8 threads, 1.70 → 3.60 GHz, 6MB SmartCache, 15W
  3. 8th Gen Intel® Core™ i7-8650U
    4 cores, 8 threads, 1.90 → 4.20 GHz, 8MB SmartCache, 15W
  1. 6th Gen Intel® Core™ m3-6Y30
    2 cores, 4 threads, 0.90 → 2.20 GHz, 4MB SmartCache, 4.5W
  2. 6th Gen Intel® Core™ i5-6300U
    2 cores, 4 threads, 2.40 → 3.00 GHz, 3MB SmartCache, 15W
  3. 6th Gen Intel® Core™ i7-6650U
    2 cores, 4 threads, 2.20 → 3.40 GHz, 4MB SmartCache, 15W
Integrated Graphics
  1. 8th Gen Intel® Core™ i5-8250U
    Intel® UHD Graphics 620
    24 Execution Units, 300 → 1100 MHz
  2. 8th Gen Intel® Core™ i5-8350U
    Intel® UHD Graphics 620
    24 Execution Units, 300 → 1100 MHz
  3. 8th Gen Intel® Core™ i7-8650U
    Intel® UHD Graphics 620
    24 Execution Units, 300 → 1150 MHz
  1. 6th Gen Intel® Core™ m3-6Y30
    Intel® HD Graphics 515
    24 Execution Units, 300 → 850 MHz
  2. 6th Gen Intel® Core™ i5-6300U
    Intel® HD Graphics 520
    24 Execution Units, 300 → 1000 MHz
  3. 6th Gen Intel® Core™ i7-6650U
    Intel® Iris® Graphics 540
    48 Execution Units with 64 MB eDRAM side cache, 300 → 1050 MHz
Memory
  • 8GB 16GB
    2133 MHz Dual-channel LPDDR3 SRAM.
4GB 8GB 16GB
1866 MHz LPDDR3 RAM
Storage
  • 256 GB 512 GB 1 TB
    M.2 2280 PCIe NVMe (Replaceable).
128 GB 256 GB 512 GB 1 TB
PCIe NVMe SSD

Connectivity

Lenovo ThinkPad X1 Carbon Gen 6Surface Pro 4
Wi-Fi
  • Intel® Dual-Band Wireless-AC(2x2) 8265
    Up to 867 Mbps, Dual band 2.4 GHz/5 GHz, 802.11 a/b/g/n/ac.
  • Wi-Fi 5: IEEE 802.11 a/b/g/n/ac compatible.
Bluetooth
  • Bluetooth 4.1
  • Bluetooth Wireless 4.0 technology
More
  • WWAN: Fibocom L850-GL 4G LTE-A cat 9
-

Battery

Lenovo ThinkPad X1 Carbon Gen 6Surface Pro 4
Size
  • 3-cell smart lithium-ion
  • Battery Capacity: 57 Wh
38.2 Wh
Battery Life
  • Up to 15 hours
* Tested with MobileMark 2014		Up to 9 hours of video playback
Power Supply65 W USB (Type-C) power adapter
Supports Rapid Charge.
  • 36W proprietary power supply
    • USB-A output: 5W
    • Surface Connect: 31W

Software

Lenovo ThinkPad X1 Carbon Gen 6Surface Pro 4
OS
  • Windows 10 Home 64-bit
Windows 10 Pro
Built-in Apps
  • Lenovo Vantage
Microsoft Office 30-days trial

Camera & Audio

Lenovo ThinkPad X1 Carbon Gen 6Surface Pro 4
Camera
  • Front-facing camera
    720p (1280 x 720 HD) camera.
  • IR Facial Authentication (optional)
  • Windows Hello face authentication camera (front-facing)
  • 5.0MP front-facing camera with 1080p Skype HD video
  • 8.0MP rear-facing autofocus camera with 1080p full HD video
Audio
  • Dolby Audio™ Premium
  • Dolby Atmos® for headphones
  • Noise-cancelling dual-array far-field microphones
  • Dual microphones
  • Front-facing stereo speakers with Dolby® Audio

Misc

Lenovo ThinkPad X1 Carbon Gen 6Surface Pro 4
Inking-Supports Surface Pen
1024 levels of pressure
magnetic storage
Sensors
  • Windows Hello compliant fingerprint reader on the palm rest
  • Optional IR Camera
  • Ambient light sensor
  • Ambient light sensor
  • Accelerometer
  • Gyroscope
  • Magnetometer
Security
  • Fast Identity Online (FIDO) authentication capabilities
  • Match-on-Chip Fingerprint Reader
  • dTPM 2.0 chip
  • ThinkShutter camera cover
  • Optional IR Camera
  • Kensington lock slot
  • HW TPM 2.0 chip for enterprise security
  • Enterprise-grade protection with Windows Hello face sign-in
In the box-
  • Surface Pro 4
  • Surface Pen
  • Power supply
  • Quick Start Guide
  • Safety and warranty documents
Warranty-
  • One-year limited hardware warranty
More-
  • Mechanical features: Signature unibody magnesium design with hidden perimeter venting
  • Kickstand with a full-friction multiposition hinge to 150 degrees
  • Magnetic attach for keyboard fold stability
  • Physical buttons: volumes, power

Key Features

Lenovo ThinkPad X1 Carbon Gen 6Surface Pro 4
At Glance
Released in
2018
16:9 WQHD
14”
1440p 60Hz
Weight
2.49 lb
1.13 kg
Up to
Intel Core i7-8650U
4C/8T, 1.90 → 4.20 GHz
Geekbench 5
1,106
Single Core
Geekbench 5
3,879
Multi-Core
With integrated
Intel® UHD Graphics 620
24 Execution Units, 300 → 1150 MHz
Configurable up to
16GB
2133 MHz LPDDR3
Released in Mid
2015
3:2 2.7K
12.3”
1824p 60Hz
Weight
1.69 lb
0.77 kg
Up to
Intel Core i7-6650U
2C/4T, 2.20 → 3.40 GHz
Geekbench 5
764
Single Core
Geekbench 5
1,757
Multi-Core
With integrated
Intel® Iris® Graphics 540
48 Execution Units with 64 MB eDRAM side cache, 300 → 1050 MHz
Configurable up to
16GB
1866 MHz LPDDR3
Surface Pro 4 Ports

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