Lenovo ThinkPad X1 Carbon Gen 10 vs Dell XPS 15 9510 (2021)
55
out of 100
VS
61
out of 100
You can select specific configurations for the laptops to get a more accurate comparative review
Review
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
NanoReview Score
Key Differences
Advantages of the Lenovo ThinkPad X1 Carbon Gen 10
- Includes an old-school USB-A port
- Significantly easier to carry: weighs 690 grams less (around 1.52 lbs)
- Better webcam recording quality
- Display has support for touch input
- High-speed PCI Express Gen 4 interface
- Smaller footprint: 11% more compact case (108.8 vs 122.9 square inches)
Advantages of the Dell XPS 15 9510 (2021)
- Can run popular games at about 160-218% higher FPS
- Higher number of cutting-edge USB Type-C ports: 3 versus 2
- Thinner bezels and 10% higher screen-to-body ratio
- User-upgradable RAM (up to 64GB)
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Tests and Specifications
Comparison table of test results and technical specsCase
| Weight | 1.12 kg (2.47 lbs) | 1.81 kg (3.99 lbs) |
| Dimensions | 315.6 x 222.5 x 15.36 mm 12.43 x 8.76 x 0.6 inches |
344.7 x 230 x 18 mm 13.57 x 9.06 x 0.71 inches |
| Area | 702 cm2 (108.9 inches2) | 793 cm2 (122.9 inches2) |
| Screen-to-body ratio | ~80.9% | ~89% |
| Side bezels | 7.1 mm | 4.3 mm |
| Colors | Black | Black, Silver |
| Transformer | No | No |
| Opening angle | 180° | - |
Size comparison
| Cooling system | Active | Active |
| Vapor chamber | No | No |
| Number of fans | 2 | 2 |
| Noise level | 35.4 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 | Yes, Dolby Vision | Yes, Dolby Vision |
| Touchscreen | Yes | No |
| Coating | Matte | Matte |
| Contrast | 2067:1 | 1650:1 |
| sRGB color space | 98.6% | 100% |
| Adobe RGB profile | 76.5% | - |
| DCI-P3 color gamut | 74.6% | - |
| Response time | 35 ms | 35 ms |
Max. brightness
Battery
Capacity
| Voltage | - | 11.4 V |
| Full charging time | 2:08 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 | 297 gramm | 473 gramm |
CPU
CPU name
| Base frequency | 1.6 GHz | 2.2-2.7 GHz |
| Turbo frequency | 4.4 GHz | 4.5 GHz |
| Cores | 10 | 6 |
| Threads | 12 | 12 |
| L3 Cache | 12 MB | 12 MB |
| Integrated GPU | Intel 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 | LPDDR5 | GDDR6 |
| Memory bus | - | 128 bit |
| Memory speed | 5.2 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 | 2x8 GB | 2x4 GB |
| Clock | 5200 MHz | 3200 MHz |
| Type | LPDDR5 | DDR4 |
| Upgradable | No | Yes |
| Total slots | - | 2 |
| Max. ram size | - | 64 GB |
Storage
Storage size
| Bus | PCI-E Gen 4.0 (4x) | PCI-E Gen 3.0 (4x) |
| Storage type | SSD (M2) | SSD (M2) |
| Channels | 1x512 GB | 1x256 GB |
| Upgradable | Yes | Yes |
| Total slots | 1 | 2 |
| NVMe | Yes | Yes |
Sound
| Audio chip | Realtek ALC3306 | Realtek ALC3281-CG |
| Speakers | 4.0 | 2.2 |
| Power | - | 2x2W, 2x1.5W |
| Dolby Atmos | Yes | No |
| Loudness | 75 dB | 88.8 dB |
| Microphones | 4 | 2 |
Connectivity
| Wi-Fi standard | v6E | v6 |
| Bluetooth | v5.2 | v5.1 |
| Fingerprint | Yes | Yes |
| Optical drive | No | No |
| Webcam | Above the display | Above the display |
| Webcam resolution | 1920 x 1080 | 1280 x 720 |
| 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 type | Island | Island |
| Numpad | No | No |
| Backlight | Yes | Yes |
| Key travel | 1.5 mm | - |
| Size | - | 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.
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