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Lenovo Yoga C940 (15”) vs. Lenovo ThinkPad X1 Carbon Gen 8: Full specs comparison

We thoroughly analyzed technical specifications for Lenovo Yoga C940 (15”) and Lenovo ThinkPad X1 Carbon Gen 8 models, including CPU, memory, storage, battery life, display quality, and other features.

Compare With Please enter device name or part of it Lenovo Yoga C940 (15”) See at Amazon	Compare With Please enter device name or part of it Lenovo ThinkPad X1 Carbon Gen 8 See at Amazon

Lenovo Yoga C940 (15”) Pros

Reasons that Lenovo Yoga C940 (15”) is better than Lenovo ThinkPad X1 Carbon Gen 8.

Intel Core i9-9880H inside Lenovo Yoga C940 (15”) has a 100% better multi-core CPU performance score than the Intel Core i7-10610U inside Lenovo ThinkPad X1 Carbon Gen 8.

Geekbench 5 multi-core score

Lenovo Yoga C940 (15”) - Intel Core i9-9880H

6,100

Lenovo Yoga C940 (15”) - Intel Core i7-9750H

4,880

Lenovo ThinkPad X1 Carbon Gen 8 - Intel Core i7-10610U

3,042

Lenovo ThinkPad X1 Carbon Gen 8 - Intel Core i5-10310U

2,992

Lenovo ThinkPad X1 Carbon Gen 8 - Intel Core i7-10510U

2,942

Lenovo ThinkPad X1 Carbon Gen 8 - Intel Core i5-10210U

2,933

Lenovo Yoga C940 (15”) supports a faster memory speed than the Lenovo ThinkPad X1 Carbon Gen 8. It supports up to 2666MHz versus 2133MHz of system memory on the Lenovo ThinkPad X1 Carbon Gen 8.

Memory type and speed

Lenovo Yoga C940 (15”) - DDR4

2,666 MHz

Lenovo ThinkPad X1 Carbon Gen 8 - LPDDR3

2,133 MHz

Configurable up to NVIDIA GeForce GTX 1650 4GB GDDR5 with Max-Q vs. integrated

Lenovo Yoga C940 (15”) has a 15.6-inch screen size 11% larger than the 14-inch Lenovo ThinkPad X1 Carbon Gen 8.

Display size

Lenovo Yoga C940 (15”)

15.6-inch

Lenovo ThinkPad X1 Carbon Gen 8

14-inch

Lenovo ThinkPad X1 Carbon Gen 8 Pros

Reasons that Lenovo ThinkPad X1 Carbon Gen 8 is better than Lenovo Yoga C940 (15”).

2020 vs. 2019

Lenovo ThinkPad X1 Carbon Gen 8 weighed 2.40 pounds, 46% lighter than the 4.41 pounds Lenovo Yoga C940 (15”).

Weight	Lenovo Yoga C940 (15”)	Lenovo ThinkPad X1 Carbon Gen 8
Pound	4.41 lbs.	2.40 lbs.
Kilogram	2.00 kg	1.09 kg

Key Similars

Similar characteristics share between Lenovo Yoga C940 (15”) and Lenovo ThinkPad X1 Carbon Gen 8.

Both laptops supports up to 16GB of system memory.

Max system memory size

Lenovo Yoga C940 (15”)

16 GB

Lenovo ThinkPad X1 Carbon Gen 8

16 GB

Prices

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

Lenovo Yoga C940 (15”) Price
	Lenovo Yoga C940-15.6" FHD Touch - i7-9750H - NVIDIA GTX 1650-16GB - 512GB SSD - Gray By Lenovo $579.00	See at Amazon
	Lenovo Yoga C940-15.6" 4K Touch - i7-9750H - NVIDIA GTX 1650-16GB - 512GB SSD - Gray By Lenovo $1,499.00	See at Amazon
	Lenovo Yoga C940-14 FHD Touch - 10th gen i7-1065G7-12GB - 512GB SSD - Gray By Lenovo $899.00	See at Amazon
Lenovo ThinkPad X1 Carbon Gen 8 Price
	Lenovo Thinkpad X1 Carbon 14 Inch FHD 1080P Laptop, 8th Gen Intel 4-Core i7-8550U up to 4.0GHz, Intel UHD 620, 16GB DDR4 RAM, 512GB SSD, Backlit Keyboard, FP Reader, Windows 10 (Renewed) By Lenovo $387.06	See at Amazon
	Lenovo Latest Gen 8 ThinkPad X1 Carbon 14" FHD Ultrabook (400 nits) with 10th Gen Intel i7-10510U Processor up to 4.90 GHz, 1 TB PCIe SSD, 16GB RAM, and Windows 10 Pro By Lenovo $998.00	See at Amazon
	LENOVO ThinkPad X1 Carbon Gen 8 14" 16GB 256GB SSD Core i5-10310U 1.9GHz Win10P, Black (Renewed) By LENOVO $395.98	See at Amazon

Availability	Lenovo Yoga C940 (15”)	Lenovo ThinkPad X1 Carbon Gen 8
Released	2019	2020
Release Date	Announced at Lenovo Tech Life (Auguest 2019)	Announced at CES 2020
Pricing	-	Starting at $1,553.30

Exterior	Lenovo Yoga C940 (15”)	Lenovo ThinkPad X1 Carbon Gen 8
Dimensions	13.98” x 9.38” x 0.68-0.77” (355.2 mm x 238.39 mm x 17.5-19.7 mm) Width: 13.98” (355.2 mm) Depth: 9.38” (238.39 mm) Height: 0.68-0.77” (17.5-19.7 mm)	12.71” x 8.54” x 0.59” (323 x 217 x 14.95 mm) Width: 12.71” (323 mm) Depth: 8.54” (217 mm) Height: 0.59” (14.95 mm)
Weight	Starting at 4.41 lbs (2.0 kg)	Starting at 2.40 lbs (1.09 kg)
Colors	Iron Grey	Black Black with Woven Top Cover Available only on UHD displays.
Keyboard and Trackpad	Full-size keyboard with 6 rows, multimedia Fn keys, LED backlight Numeric Keypad Buttonless glass surface multi-touch touchpad	Spill-resistant, Backlit with white LED lighting keyboard. New FN row F9-F11 Trackpad + TrackPoint® pointing device.

Display	Lenovo Yoga C940 (15”)	Lenovo ThinkPad X1 Carbon Gen 8
Size	15.6 Inches	14 Inches
Info	15.6” HDR FHD Touch Screen 1920 x 1080, IPS display, glossy, VESA-Certified Display HDR™, 500 nits luminance, 16:9 aspect ratio, 10-fingure multi-touch. Support Lenovo Active Pen (included). 15.6” 4K HDR UHD Touch Screen 3840 x 2160, IPS display, glossy, VESA-Certified Display HDR™, 500 nits luminance, 16:9 aspect ratio, 10-fingure multi-touch. Support Lenovo Active Pen (included).	14” UHD (3840 x 2160) IPS, glossy, Dolby Vision™ HDR 400, 500 nits. 14” WQHD (2560 x 1440) IPS, anti-glare, 300 nits. 14” FHD (1920 x 1080) IPS, PrivacyGuard, anti-glare, 500 nits. 14” FHD (1920 x 1080) IPS, anti-glare, low power, touchscreen, 400 nits. 14” FHD (1920 x 1080) IPS, anti-glare, 400 nits.

Ports	Lenovo Yoga C940 (15”)	Lenovo ThinkPad X1 Carbon Gen 8
2 x Thunderbolt™ 3 Supports Power Delivery & DisplayPort. 1 x USB 3.1 Gen 2 Full-size USB Type-A port. 1 x Audio jack 1 x Lenovo Active Pen Storage	2 x Thunderbolt™ 3 Supports Power Delivery & DisplayPort. 2 x USB 3.1 Gen 1 Full-size USB-A ports (1 port is always on). 1 x Network extension for Ethernet/side mechanical docking 1 x HDMI 1.4 1 x Headphone / mic combo 1 x WWAN slot 1 x Power button 1 x Kensington lock slot

Internal Specs	Lenovo Yoga C940 (15”)	Lenovo ThinkPad X1 Carbon Gen 8
Processor	9th Gen Intel® Core™ i7-9750H 6 cores, 12 threads, 2.60 → 4.50 GHz, 12MB SmartCache, 45W 9th Gen Intel® Core™ i9-9880H 8 cores, 16 threads, 2.30 → 4.80 GHz, 16MB SmartCache, 45W	10th Gen Intel® Core™ i5-10210U 4 cores, 8 threads, 1.60 → 4.20 GHz, 6MB SmartCache, 15W 10th Gen Intel® Core™ i7-10510U 4 cores, 8 threads, 1.80 → 4.90 GHz, 8MB SmartCache, 15W 10th Gen Intel® Core™ i5-10310U with vPro™ 4 cores, 8 threads, 1.70 → 4.40 GHz, 6MB SmartCache, 15W 10th Gen Intel® Core™ i7-10610U with vPro™ 4 cores, 8 threads, 1.80 → 4.90 GHz, 8MB SmartCache, 15W
Integrated Graphics	9th Gen Intel® Core™ i7-9750H Intel® UHD Graphics 630 24 Execution Units, 350 → 1150 MHz 9th Gen Intel® Core™ i9-9880H Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz	10th Gen Intel® Core™ i5-10210U Intel® UHD Graphics 24 Execution Units, 300 → 1100 MHz 10th Gen Intel® Core™ i7-10510U Intel® UHD Graphics 24 Execution Units, 300 → 1150 MHz 10th Gen Intel® Core™ i5-10310U with vPro™ Intel® UHD Graphics 24 Execution Units, 300 → 1150 MHz 10th Gen Intel® Core™ i7-10610U with vPro™ Intel® UHD Graphics 24 Execution Units, 300 → 1150 MHz
Memory	12GB 16GB 2666 MHz Dual-channel DDR4 (Soldered).	8GB 16GB 2133 MHz Dual-channel LPDDR3 SRAM.
Discrete Graphics	NVIDIA® GeForce® GTX 1650 with Max-Q (Optional) Turning Architecture, 4GB GDDR5 128-bit, 1395 → 1560 MHz, 1024 CUDA Cores.	-
Storage	256 GB 512 GB 1TB 2TB M.2 2280 PCIe SSD.	256 GB 512 GB 1 TB M.2 2280 PCIe NVMe (Replaceable).

Connectivity	Lenovo Yoga C940 (15”)	Lenovo ThinkPad X1 Carbon Gen 8
Wi-Fi	Lenovo WiFi-6 802.11ax Wireless (2x2) Up to 2400 Mbps, Dual band 2.4 GHz/5 GHz, 802.11 a/b/g/n/ac/ax.	Intel® Wi-Fi 6™ AX201 802.11AX (2 x 2) Up to 2400 Mbps, Dual band 2.4 GHz/5 GHz, 802.11 a/b/g/n/ac/ax.
Bluetooth	Bluetooth 5.0	Bluetooth 5.0
More	-	Optional WWAN: Integrated Global Mobile Broadband 4G LTE-A

Battery	Lenovo Yoga C940 (15”)	Lenovo ThinkPad X1 Carbon Gen 8
Size	4-cell smart lithium-ion Battery Capacity: 69 Wh	4-cell smart lithium-ion Battery Capacity: 51 Wh
Battery Life	Up to 12 hours on FHD panel Up to 9 hours on UHD panel * Tested with MobileMark 2014.	Up to 19.5 hours * Tested with MobileMark 2014
Power Supply	135 W USB (Type-C) power adapter Supports Rapid Charge	65 W USB (Type-C) power adapter Supports Rapid Charge.

Software	Lenovo Yoga C940 (15”)	Lenovo ThinkPad X1 Carbon Gen 8
OS	Windows 10 Home 64-bit	Windows 10 Home 64-bit Windows 10 Pro 64-bit
Built-in Apps	Lenovo Vantage Microsoft Office 2019 McAfee LiveSafe™ Dolby Vision™	Lenovo Vantage

Camera & Audio	Lenovo Yoga C940 (15”)	Lenovo ThinkPad X1 Carbon Gen 8
Camera	Front-facing camera 720p HD Camera.	Front-facing camera with ThinkShutter privacy cover 720p (1280 x 720 HD) camera. Optional: Hybrid Infrared (IR) & HD 720p with ThinkShutter
Audio	Rotating Sound Bar with Dolby Atmos® Speaker System 2 Base Speakers inside D-Cover 2 x far-field microphones	Dolby Atmos™ Speaker System 4 x 360-degree far-field microphones

Misc	Lenovo Yoga C940 (15”)	Lenovo ThinkPad X1 Carbon Gen 8
Inking	Support Lenovo Active Pen (included).	-
Sensors	Windows Hello compliant fingerprint reader on the palm rest Ambient light sensor	Windows Hello compliant fingerprint reader on the palm rest Optional IR Camera Ambient light sensor
Security	Windows Hello with Fingerprint Sign in TrueBlock Privacy Shutter Lenovo Privacy Essentials by FigLeaf	Fast Identity Online (FIDO) authentication capabilities Match-on-Chip Fingerprint Reader dTPM 2.0 chip ThinkShutter camera cover Optional: ThinkPad PrivacyGuard Optional: ThinkPad PrivacyAlert* Optional IR Camera Kensington lock slot
In the box	-	ThinkPad X1 Carbon Gen 8 65W AC adapter 4 Cell 51Wh Internal battery Quick Start Guide
Warranty	-	1-year Depot or Carry-in

Key Features	Lenovo Yoga C940 (15”)	Lenovo ThinkPad X1 Carbon Gen 8
At Glance	Released in Mid 2019 16:9 4K UHD 15.6” 2160p 60Hz Weight 4.41 lb 2.00 kg Up to Intel Core i9-9880H 8C/16T, 2.30 → 4.80 GHz Geekbench 5 1,066 Single Core Geekbench 5 6,100 Multi-Core With integrated Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz Configurable up to 16GB 2666 MHz DDR4 NVIDIA GeForce GTX 1650 4GB GDDR5 with Max-Q	Released in 2020 16:9 4K UHD 14” 2160p 60Hz Weight 2.40 lb 1.09 kg Up to Intel Core i7-10610U 4C/8T, 1.80 → 4.90 GHz Geekbench 5 968 Single Core Geekbench 5 3,042 Multi-Core With integrated Intel® UHD Graphics 24 Execution Units, 300 → 1150 MHz Configurable up to 16GB 2133 MHz LPDDR3