Lenovo ThinkPad L15 Gen 4 vs L14 Gen 4
44
out of 100
VS
40
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 ThinkPad L15 Gen 4
- Thinner bezels and 3% higher screen-to-body ratio
- 26% sharper screen – 141 versus 112 pixels per inch (PPI)
- Provides 14% higher max. screen brightness: 250 vs 220 nits
Advantages of the Lenovo ThinkPad L14 Gen 4
- Easier to carry: weighs 370 grams less (around 0.82 lbs)
- Much smaller footprint: 17% more compact case (109.4 vs 132.4 square inches)
Tests and Specifications
Comparison table of test results and technical specsCase
| Weight | 1.77 kg (3.9 lbs) | 1.4 kg (3.09 lbs) |
| Dimensions | 360.2 x 237 x 19.93 mm 14.18 x 9.33 x 0.78 inches |
325.4 x 217 x 18.73 mm 12.81 x 8.54 x 0.74 inches |
| Area | 854 cm2 (132.3 inches2) | 706 cm2 (109.4 inches2) |
| Screen-to-body ratio | ~78.6% | ~76.5% |
| Side bezels | 7.4 mm | 7.8 mm |
| Colors | Black | Black |
| Material | Plastic | Top: Aluminum Middle: Plastic Bottom: Plastic |
| Transformer | No | No |
| Opening angle | 180° | 180° |
Size comparison
| Cooling system | Active | Active |
| Vapor chamber | No | No |
| Liquid metal | No | No |
| Number of fans | 1 | 1 |
| Noise level (max. load) | 32.7 dB | 38.3 dB |
Display
| Size | 15.6 inches | 14 inches |
| Type | IPS LCD | TN LCD |
| Refresh rate | 60 Hz | 60 Hz |
| PPI | 141 ppi | 112 ppi |
| Aspect ratio | 16:9 | 16:9 |
| Resolution | 1920 x 1080 pixels | 1366 x 768 pixels |
| HDR support | No | No |
| Sync technology | No | No |
| Touchscreen | No | No |
| Coating | Matte | Matte |
| Ambient light sensor | No | No |
Screen space comparison
ThinkPad L15 Gen 4
15.6″ (16:9 ratio) = 104 in2
ThinkPad L14 Gen 4
14″ (16:9 ratio) = 83.8 in2
~24% more screen space
| Contrast | 800:1 | 500:1 |
Max. brightness
Battery
Capacity
| Battery type | Li-Po | Li-Po |
| Replaceable | No | No |
| Fast charging | Yes | Yes |
| Charging via USB (Power Delivery) | Yes | Yes |
| Charging port position | Left | Left |
| Charge power | 45 / 65 / 100 W | 45 / 65 / 100 W |
| Weight of AC adapter | 352 grams | 258 / 356 / 440 grams |
CPU
CPU name
| Base frequency | 1.2 GHz | 1.2 GHz |
| Turbo frequency | 4.4 GHz | 4.4 GHz |
| Cores | 5 (1P + 4E) | 5 (1P + 4E) |
| Threads | 6 | 6 |
| L3 Cache | 8 MB | 8 MB |
| Integrated GPU | Intel UHD Graphics (48EU) | Intel UHD Graphics (48EU) |
| Fabrication process | 10 nm | 10 nm |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Cinebench 2024 (Single-Core)
Cinebench 2024 (Multi-Core)
Graphics Card
GPU name
| Nvidia Optimus | Yes | Yes |
| Type | Dedicated | Dedicated |
| Fabrication process | 12 nm | 12 nm |
| GPU base clock | 1065 MHz | 1065 MHz |
| GPU boost clock | 1320 MHz | 1320 MHz |
| FLOPS | 2.7 TFLOPS | 2.7 TFLOPS |
| Memory size | 2 GB | 2 GB |
| Memory type | GDDR6 | GDDR6 |
| Memory bus | 64 bit | 64 bit |
| Memory speed | ~12 Gbps | ~12 Gbps |
| Shading units (cores) | 1024 | 1024 |
| Texture mapping units (TMUs) | 32 | 32 |
| Raster operations pipelines (ROPs) | 16 | 16 |
| GPU performance | 2.7 TFLOPS | 2.7 TFLOPS |
GPU Benchmarks
Steel Nomad Lite Score
| Blender GPU | 228 | 223 |
Expected FPS based on average performance across 9 popular games. Details
RAM
RAM size
| Channels | 1x8 GB | 1x8 GB |
| Clock | 3200 MHz | 3200 MHz |
| Type | DDR4 | DDR4 |
| Upgradable | Yes | Yes |
| Total slots | 2 | 2 |
| Max. ram size | 64 GB | 64 GB |
Storage
Storage size
| Bus | PCI-E Gen 4.0 (4x) | PCI-E Gen 4.0 (4x) |
| Storage type | SSD (M2) | SSD (M2) |
| Channels | 1x256 GB | 1x256 GB |
| Upgradable | Yes | Yes |
| Total slots | 1 | 1 |
| NVMe | Yes | Yes |
Sound
| Audio chip | Realtek ALC257 | Realtek ALC3287 |
| Speakers | 2.0 | 2.0 |
| Power | 2x2W | 2x2W |
| Dolby Atmos | Yes | Yes |
| Loudness | ~78.5 dB | ~78.5 dB |
| Microphones | 2 | 2 |
Connectivity
| Wi-Fi standard | v6E | v6E |
| Bluetooth | v5.2 | v5.2 |
| Fingerprint | Optional | Optional |
| Infrared sensor | Optional | Optional |
| 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 4.0 | 2x USB 4.0 |
| Thunderbolt | Thunderbolt 4 | Thunderbolt 4 |
| HDMI | 1x HDMI 2.0 | 1x HDMI 2.0 |
| DisplayPort | No | No |
| VGA | No | No |
| Audio jack (3.5 mm) | Yes | Yes |
| Ethernet (RJ45) | Yes | Yes |
| SD card reader | Yes | Yes |
| Proprietary charging port | No | No |
Input
| Keyboard type | Island | Island |
| Numpad | Yes | No |
| Backlight | Yes | Yes |
| Key travel | 1.5 mm | 1.5 mm |
| Size | 11.5 x 5.6 cm | 11.5 x 5.6 cm |
| Surface | Plastic | Plastic |
| Windows Precision | Yes | Yes |
Further details
Notes on ThinkPad L15 Gen 4:
- The Intel version supports Thunderbolt 4 / USB 4.0, while the AMD only USB 3.2.
Notes on ThinkPad L14 Gen 4:
- The Intel version supports Thunderbolt 4 / USB 4.0, while the AMD only USB 3.2.
*Disclaimer! Ports, speakers, display, and other specifications can vary depending on the laptop's specific configuration or region.
Cast your vote
Total votes: 7