Lenovo ThinkPad X1 Carbon Gen 12 vs HP EliteBook 840 G8
50
out of 100
VS
43
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 X1 Carbon Gen 12
- Around 3x better multi-core CPU performance in the Cinebench 2024 test
- Easier to carry: weighs 260 grams less (around 0.57 lbs)
- Can run popular games at about 71-97% higher FPS
- Thinner bezels and 9% higher screen-to-body ratio
- Features a a little bigger (~8%) battery – 57 against 53 watt-hours
- Better webcam recording quality
- Display has support for touch input
- High-speed PCI Express Gen 4 interface
Advantages of the HP EliteBook 840 G8
- User-upgradable RAM (up to 64GB)
- Provides 100% higher max. screen brightness: 1000 vs 500 nits
Tests and Specifications
Comparison table of test results and technical specsCase
| Weight | 1.09 kg (2.4 lbs) | 1.35 kg (2.98 lbs) |
| Dimensions | 312.8 x 214.75 x 14.96 mm 12.31 x 8.45 x 0.59 inches |
323.3 x 214.6 x 17.8 mm 12.73 x 8.45 x 0.7 inches |
| Area | 672 cm2 (104 inches2) | 694 cm2 (107.6 inches2) |
| Screen-to-body ratio | ~84.6% | ~77.9% |
| Side bezels | 5.7 mm | 6.7 mm |
| Colors | Black | Silver |
| Material | Top: Carbon fiber Middle: Aluminum Bottom: Aluminum |
Aluminum |
| Transformer | No | No |
| Opening angle | 180° | - |
Size comparison
| Cooling system | Active | Active |
| Vapor chamber | No | No |
| Liquid metal | No | - |
| Number of fans | 2 | 1 |
| Noise level (max. load) | 37.8 dB | - |
Display
| Size | 14 inches | 14 inches |
| Type | IPS LCD | IPS LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Adaptive refresh rate | No | - |
| PPI | 162 ppi | 157 ppi |
| Aspect ratio | 16:10 | 16:9 |
| Resolution | 1920 x 1200 pixels | 1920 x 1080 pixels |
| HDR support | No | Yes, HDR10 |
| Sync technology | No | No |
| Touchscreen | Yes | No |
| Coating | Matte | Glossy (Antireflective) |
| Ambient light sensor | Yes | Yes |
Screen space comparison
ThinkPad X1 Carbon Gen 12
14″ (16:10 ratio) = 88.1 in2
EliteBook 840 G8
14″ (16:9 ratio) = 83.8 in2
~5% more screen space
| sRGB color space | 100% | 100% |
Max. brightness
Battery
Capacity
| Full charging time | 2:00 hr | - |
| Battery type | Li-Po | Li-Ion |
| Replaceable | No | No |
| Fast charging | Yes | Yes |
| Charging via USB (Power Delivery) | Yes | Yes |
| Charging port position | Left | Right |
| Charge power | 45 / 65 W | 45 / 65 W |
| Cable length | - | 1 meters |
| Weight of AC adapter | 252 grams | - |
CPU
CPU name
| Base frequency | 1.2 GHz | 0.9-2.4 GHz |
| Turbo frequency | 4.5 GHz | 4.2 GHz |
| Cores | 14 (4P + 10E) | 4 |
| Threads | 18 | 8 |
| L3 Cache | 18 MB | 8 MB |
| Integrated GPU | Arc Graphics (7-Cores) | Iris Xe Graphics G7 80EU |
| Fabrication process | 7 nm | 10 nm |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Cinebench 2024 (Single-Core)
Cinebench 2024 (Multi-Core)
Graphics Card
GPU name
| TGP | 28 W | - |
| Type | Integrated | Dedicated |
| Fabrication process | 5 nm | 12 nm |
| GPU base clock | 300 MHz | - |
| GPU boost clock | 2200 MHz | - |
| FLOPS | 3.9 TFLOPS | 1.7-2.8 TFLOPS |
| Memory size | System Shared | 2 GB |
| Memory type | LPDDR5X | GDDR6 |
| Memory bus | - | 64 bit |
| Memory speed | 6.4 Gbps | ~10 Gbps |
| Shading units (cores) | 896 | 896 |
| Texture mapping units (TMUs) | 56 | 56 |
| Raster operations pipelines (ROPs) | 24 | 32 |
| GPU performance | 3.9 TFLOPS | 1.7-2.8 TFLOPS |
GPU Benchmarks
Steel Nomad Lite Score
| Blender GPU | - | 133 |
Expected FPS based on average performance across 9 popular games. Details
RAM
RAM size
| Channels | 2x8 GB | 1x4 GB |
| Clock | 6400 MHz | 3200 MHz |
| Type | LPDDR5X | 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 | 1x256 GB | 1x128 GB |
| Upgradable | Yes | Yes |
| Total slots | 1 | 1 |
| NVMe | Yes | Yes |
Sound
| Audio chip | Realtek ALC3306 | - |
| Speakers | 2.2 (2 tweeters and 2 woofers) | 2.0 |
| Power | 2x2W | - |
| Dolby Atmos | Yes | No |
| Loudness | ~86 dB | - |
| Microphones | 4 | 3 |
Connectivity
| Wi-Fi standard | v7 | v6 |
| Bluetooth | v5.4 | v5 |
| Fingerprint | Yes | Optional |
| Infrared sensor | Optional | Optional |
| 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 | 2x USB 3.2 |
| USB Type-C | 2x USB 4.0 | 2x USB 3.2 |
| Thunderbolt | Thunderbolt 4 | Thunderbolt 4 |
| HDMI | 1x HDMI 2.1 | 1x HDMI 2.0 |
| DisplayPort | No | No |
| VGA | No | No |
| Audio jack (3.5 mm) | Yes | Yes |
| Ethernet (RJ45) | No | No |
| SD card reader | No | No |
| Proprietary charging port | No | Yes |
Input
| Keyboard type | Island | Island |
| Numpad | No | No |
| Backlight | Yes | - |
| Key travel | 1.5 mm | - |
| Size | 12.0 x 5.7 cm | - |
| Surface | Glass | - |
| 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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