Lenovo IdeaPad Slim 5i (15", Gen 11) vs Dell 15 (2026)
56
out of 100
VS
48
out of 100
Please 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
Portability
Design, materials, durability and usability
Pick the usage scenario that best matches your needs
Value for money (Beta)
Key Differences
Advantages of the Lenovo IdeaPad Slim 5i (15", Gen 11)
- Higher screen refresh rate: 120 versus 60 Hz
- Slightly easier to carry: weighs 130 grams less (around 0.29 lbs)
- Can run popular games at about 64-88% higher FPS
- Features a much bigger (~33%) battery – 54.7 against 41 watt-hours
- Thinner bezels and 3% higher screen-to-body ratio
- Display has support for touch input
Advantages of the Dell 15 (2026)
- User-upgradable RAM (up to 32GB)
Tests and Specifications
Comparison table of test results and technical specsCase
| Weight | 1.41 kg (3.11 lbs) | 1.54 kg (3.4 lbs) |
| Dimensions | 339.33 x 236 x 15.6 mm 13.36 x 9.29 x 0.61 inches |
341.17 x 240.7 x 14.37-17.7 mm 13.43 x 9.48 x 0.57-0.7 inches |
| Area | 801 cm2 (124.1 inches2) | 821 cm2 (127.3 inches2) |
| Screen-to-body ratio | ~84.8% | ~82.7% |
| Side bezels | 4.9 mm | 5.8 mm |
| Colors | Gray | Silver, Blue |
| Material | Aluminum | Plastic |
| Transformer | No | No |
| Opening angle | 180° | 135° |
Size comparison
| Cooling system | Active | Active |
| Vapor chamber | No | No |
| Liquid metal | No | No |
| Number of fans | 1 | 1 |
Display
| Size | 15.3 inches | 15.3 inches |
| Type | IPS LCD | IPS LCD |
| Refresh rate | 120 Hz | 60 Hz |
| Adaptive refresh rate | No | No |
| PPI | 148 ppi | 148 ppi |
| Aspect ratio | 16:10 | 16:10 |
| Resolution | 1920 x 1200 pixels | 1920 x 1200 pixels |
| HDR support | No | No |
| Sync technology | No | No |
| Touchscreen | Yes | No |
| Coating | Matte | Matte |
| Ambient light sensor | No | No |
| Contrast | 1200:1 | - |
| sRGB color space | 100% | - |
| Response time | 36 ms | 35 ms |
Max. brightness
Battery
Capacity
| Voltage | - | 11.25 V |
| Battery type | Li-Po | Li-Po |
| Replaceable | No | No |
| Fast charging | Yes | Yes |
| Charging via USB (Power Delivery) | Yes, 65 W | Yes |
| Charging port position | Left | Left |
| Charge power | 65 W | 65 W |
| Weight of AC adapter | 166 grams | 219 grams |
CPU
CPU name
| Base frequency | 1.5 GHz | 1.5 GHz |
| Turbo frequency | 4.6 GHz | 4.3 GHz |
| Cores | 6 (2P + 4E) | 5 (1P + 4E) |
| Threads | 6 | 5 |
| L3 Cache | 6 MB | 6 MB |
| Integrated GPU | Intel Xe3 Graphics (2-Core) | Intel Xe3 Graphics (1-Core) |
| Fabrication process | 2 nm | 2 nm |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Cinebench 2024 (Single-Core)
Cinebench 2024 (Multi-Core)
Graphics Card
GPU name
| TGP | 25 W | - |
| Type | Integrated | Integrated |
| Fabrication process | 3 nm | 3 nm |
| GPU base clock | 300 MHz | 300 MHz |
| GPU boost clock | 2500 MHz | 2300 MHz |
| FLOPS | 1.3 TFLOPS | 0.6 TFLOPS |
| Memory size | System Shared | System Shared |
| Memory type | LPDDR5X | DDR5 |
| Memory speed | 7.47 Gbps | 5.6 Gbps |
| Shading units (cores) | 256 | 128 |
| Texture mapping units (TMUs) | 16 | 8 |
| Raster operations pipelines (ROPs) | 8 | 4 |
| GPU performance | 1.3 TFLOPS | 0.6 TFLOPS |
RAM
RAM size
| Channels | 2x8 GB | 1x8 GB |
| Clock | 7467 MHz | 5600 MHz |
| Type | LPDDR5X | DDR5 |
| Upgradable | No | Yes |
| Total slots | - | 2 |
| Max. ram size | - | 32 GB |
Storage
Storage size
| Bus | PCI-E Gen 4.0 (4x) | PCI-E Gen 4.0 (4x) |
| Storage type | SSD (M2) | SSD (M2) |
| Channels | 1x512 GB | 1x128 GB |
| Upgradable | Yes | Yes |
| Total slots | 1 | 1 |
| NVMe | Yes | Yes |
Sound
| Audio chip | - | Realtek ALC3356B |
| Speakers | 2.0 | 2.0 |
| Power | 2x2W | 2x2W |
| Dolby Atmos | Yes | Yes |
| Microphones | 2 | 2 |
Connectivity
| Wi-Fi standard | v6E | v6E |
| Bluetooth | v5.4 | v5.3 |
| Fingerprint | No | Optional |
| Infrared sensor | Yes | No |
| Optical drive | No | No |
| Webcam | Above the display | Above the display |
| Webcam resolution | 1920 x 1080 | 1920 x 1080 |
| USB-A | 2x USB 3.2 | 2x USB 3.2 |
| USB Type-C | 2x USB 3.2 | 2x USB 3.2 |
| Thunderbolt | No | No |
| HDMI | 1x HDMI 2.1 | 1x HDMI 2.1 |
| DisplayPort | No | No |
| VGA | No | No |
| Audio jack (3.5 mm) | Yes | Yes |
| Ethernet (RJ45) | No | No |
| SD card reader | Yes | No |
| Proprietary charging port | No | No |
Input
| Keyboard type | Island | Island |
| Numpad | No | Yes |
| Backlight | Optional | Optional |
| Key travel | 1.3 mm | - |
| Size | 13.5 x 8.0 cm | - |
| Surface | Glass | Plastic |
| Windows Precision | Yes | Yes |
*Disclaimer! Ports, speakers, display, and other specifications can vary depending on the laptop's specific configuration or region.
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