Lenovo ThinkPad X1 Carbon Gen 9 14" (Intel) vs Dell XPS 15 9510 (2021)

You can select specific configurations for the laptops to get a more accurate comparative review
Display
Battery 57 Wh
CPU
GPU Intel Iris Xe Graphics G7 (80EU)
RAM
Storage

Review

Evaluation of Lenovo ThinkPad X1 Carbon Gen 9 14" (Intel) and Dell XPS 15 9510 (2021) important characteristics
Performance
System and application performance
Gaming
Performance in popular 3D games
Display
Viewing angle, color accuracy, brightness
Battery Life
Potential battery life in light and average use
Connectivity
Ports, webcam and other interfaces
Case
Design, materials, durability and usability

Key Differences

What are the key differences between the notebooks
Advantages of the Lenovo ThinkPad X1 Carbon Gen 9 14" (Intel)
  • Includes an old-school USB-A port
  • Significantly easier to carry: weighs 680 grams less (around 1.5 lbs)
  • Much smaller footprint: 12% more compact case (108 vs 122.9 square inches)
Advantages of the Dell XPS 15 9510 (2021)
  • Can run popular games at about 160-218% higher FPS
  • Around 90% better multi-core CPU performance in the Cinebench R23 test
  • Higher number of cutting-edge USB Type-C ports: 3 versus 2
  • Thinner bezels and 9% higher screen-to-body ratio
  • User-upgradable RAM (up to 64GB)
  • Provides 25% higher max. screen brightness: 500 vs 400 nits
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Tests and Specifications

Comparison table of test results and technical specs

Case

Weight 1.13 kg (2.49 lbs) 1.81 kg (3.99 lbs)
Dimensions 314.5 x 221.6 x 14.9 mm
12.38 x 8.72 x 0.59 inches
344.7 x 230 x 18 mm
13.57 x 9.06 x 0.71 inches
Area 697 cm2 (108 inches2) 793 cm2 (122.9 inches2)
Screen-to-body ratio ~81.5% ~89%
Side bezels 6.5 mm 4.3 mm
Colors Black Black, Silver
Transformer No No
Opening angle 180° -
Size comparison
Cooling solution
Cooling system Active Active
Vapor chamber No No
Number of fans 2 2
Noise level 34.3 dB 38.2 dB

Display

Size 14 inches 15.6 inches
Type IPS LCD IPS LCD
Refresh rate 60 Hz 60 Hz
PPI 162 ppi 145 ppi
Aspect ratio 16:10 16:10
Resolution 1920 x 1200 pixels 1920 x 1200 pixels
HDR support No Yes, Dolby Vision
Touchscreen No No
Coating Matte Matte
Display tests
Contrast 1000:1 1650:1
sRGB color space 100% 100%
Response time - 35 ms
Max. brightness

Battery

Capacity
Voltage - 11.4 V
Full charging time 1:53 hr -
Battery type Li-Po Li-Ion
Replaceable No No
Fast charging Yes Yes
USB Power Delivery Yes Yes
Charging port position Left Left, Right
Charge power 65 W 90 / 130 W
Weigh of AC adapter 332 gramm 473 gramm

CPU

CPU name
Base frequency 0.9-2.4 GHz 2.2-2.7 GHz
Turbo frequency 4.2 GHz 4.5 GHz
Cores 4 6
Threads 8 12
L3 Cache 8 MB 12 MB
Integrated GPU Iris Xe Graphics G7 80EU Intel UHD Graphics for 11th Gen (16 EU)
Fabrication process 10 nm 10 nm

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)

Graphics Card

GPU name
TGP 15 W 45 W
Nvidia Optimus - Yes
Type Integrated Dedicated
Fabrication process 10 nm 8 nm
GPU base clock 300 MHz 1065 MHz
GPU boost clock 1100 MHz 1343 MHz
FLOPS 1.41 TFLOPS 5.5 TFLOPS
Memory size System Shared 4 GB
Memory type LPDDR4X GDDR6
Memory bus - 128 bit
Memory speed 4.27 Gbps 12 Gbps
Shading units (cores) 640 2048
Texture mapping units (TMUs) 40 64
Raster operations pipelines (ROPs) 20 40
GPU performance

RAM

RAM size
Channels 2x4 GB 2x4 GB
Clock 4266 MHz 3200 MHz
Type LPDDR4X DDR4
Upgradable No Yes
Total slots - 2
Max. ram size - 64 GB

Storage

Storage size
Bus PCI-E Gen 3.0 (4x) PCI-E Gen 3.0 (4x)
Storage type SSD (M2) SSD (M2)
Channels 1x256 GB 1x256 GB
Upgradable Yes Yes
Total slots 1 2
NVMe Yes Yes

Sound

Audio chip Realtek ALC3306 Realtek ALC3281-CG
Speakers 2.0 2.2
Power 2x2W 2x2W, 2x1.5W
Dolby Atmos Yes No
Loudness 80.3 dB 88.8 dB
Microphones 4 2

Connectivity

Wi-Fi standard v6 v6
Bluetooth v5.2 v5.1
Fingerprint Yes Yes
Optical drive No No
Webcam Above the display Above the display
Webcam resolution 1280 x 720 1280 x 720
Ports
USB-A 2x USB 3.2 No
USB Type-C 2x USB 4.0 3x USB 4.0
Thunderbolt Thunderbolt 4 Thunderbolt 4
HDMI 1x HDMI 2.0 No
DisplayPort No No
VGA No No
Audio jack (3.5 mm) Yes Yes
Ethernet (RJ45) No No
SD card reader No Yes
Proprietary charging port No No

Input

Keyboard
Keyboard type Island Island
Numpad No No
Backlight Yes Yes
Key travel 1.5 mm -
Touchpad
Size 11.5 x 5.5 cm 15.1 x 9.1 cm
Surface Glass Glass
Windows Precision Yes Yes
*Disclaimer! Ports, speakers, display, and other specifications can be different depending on the laptop’s particular configuration or region.

Cast your vote

So, which laptop would you choose?
5 (45.5%)
6 (54.5%)
Total votes: 11

Comments

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