Choose ThinkBook 16 if you need:
- Processor Model at Core Ultra 5 (vs Intel Core i7 8550U 1.8GHz)
- Display Size at 16 inch (vs 15.6 inch)
laptopedia
Side-by-side specification comparison of two reference models
Compare ThinkBook 16 vs Gram 15Z975
A full side-by-side comparison of reference models ThinkBook 16 and Gram 15Z975 within the same category.
Specifications
Side-by-side specification comparison of two reference models
| Specification | ThinkBook 16 | Gram 15Z975 |
|---|---|---|
| Price | Not for sale | Not for sale |
| General | ||
| Brand | Lenovo | LG |
| Product Family | ThinkBook | Gram |
| Model | ThinkBook 16 | Gram 15Z975 |
| Model Number | ThinkBook 16 G7 IML | 15Z975-U.AP71U1 |
| Part Number / SKU | — | 15Z975-U.AP71U1 |
| Launch Year | 2025 year | 2018 year |
| Form Factor | Clamshell | Clamshell |
| Laptop Category | Business | Premium / Ultraportable |
| Color | Arctic Grey | Dark Silver |
| Operating System | — | Windows 10 Pro |
| Operating System Architecture | 64-bit | 64-bit |
| Processor | ||
| Processor Manufacturer | Intel | Intel |
| Processor Family | Intel Core Ultra 5 | Intel Core i7 |
| Processor Model | Core Ultra 5 | Intel Core i7 8550U 1.8GHz |
| Processor Generation | Intel Core Ultra Series 1 | 8th Gen |
| CPU Architecture | x86-64 | x86-64 |
| CPU Process Node | — | 14 nm |
| CPU Cores | — | 4 cores |
| Efficiency Cores | — | 0 cores |
| CPU Threads | — | 8 threads |
| CPU Base Clock | — | 1.8 GHz |
| CPU Max Boost Clock | — | 4 GHz |
| L3 Cache | — | 8 MB |
| Processor Base Power | — | 15 W |
| AI / NPU | ||
| NPU | Yes | — |
| NPU Model | Intel AI Boost | — |
| NPU Performance | 11 TOPS | — |
| Graphics | ||
| Graphics Type | Integrated | Integrated |
| GPU Manufacturer | Intel | Intel |
| GPU Model | — | Intel UHD Graphics 620 |
| VRAM Capacity | 0 GB | 0 GB |
| VRAM Type | Shared system memory | Shared system memory |
| GPU Boost Clock | — | 1150 MHz |
| Maximum External Displays | 3 displays | — |
| Maximum External Resolution | 5120 x 2880 @ 60Hz | — |
| Memory | ||
| Installed Memory | 16 GB | 16 GB |
| Maximum Memory | 64 GB | — |
| Memory Type | DDR5 | DDR4 |
| Memory Speed | 5600 MT/s | 2400 MT/s |
| Memory Form Factor | SO-DIMM | SO-DIMM + Soldered |
| Memory Slots | 2 slots | 1 slots |
| Memory Slots Used | — | 1 slots |
| Memory Upgradeable | Yes | Partially |
| Memory Channels | Dual-channel | Dual |
| Storage | ||
| Primary Storage Type | SSD | SSD |
| Storage Capacity | 512 GB | 512 GB |
| Storage Interface | PCIe NVMe | SATA III |
| Storage PCIe Generation | PCIe 4.0 | — |
| Storage Form Factor | M.2 2242 | M.2 2280 |
| Installed Storage Drives | 1 drives | 1 drives |
| Maximum Storage Drives | 2 drives | — |
| M.2 Storage Slots | 2 slots | — |
| Card Reader | — | Yes |
| Card Reader Formats | SD | microSD |
| Display | ||
| Display Size | 16 inch | 15.6 inch |
| Display Resolution | — | 1920 x 1080 |
| Resolution Class | — | FHD |
| Display Technology | IPS LCD | IPS LCD |
| Panel Type | IPS | IPS |
| sRGB Color Gamut | — | 100 % |
| Aspect Ratio | 16:10 | 16:9 |
| Display Finish | Anti-glare | — |
| Screen-to-Body Ratio | 90 % | — |
| Camera & Biometrics | ||
| Webcam Resolution | — | HD |
| Camera Privacy Shutter | Yes | — |
| Fingerprint Reader | — | Yes |
| Audio | ||
| Speaker Configuration | Stereo speakers, 2W x2 | Stereo 2-speaker |
| Speaker Power | 2 W x 2 W | 1 x 2 W |
| Audio Technology | Dolby Audio | DTS Headphone:X |
| Microphone Configuration | Dual-microphone array with smart noise-cancelling | — |
| Audio Jack | Yes | Yes |
| Keyboard & Input | ||
| Keyboard Type | 6-row keyboard | — |
| Keyboard Backlight | — | Yes |
| Keyboard RGB Zones | — | — |
| Numeric Keypad | Yes | — |
| Spill-Resistant Keyboard | Yes | — |
| Key Travel | 1.5 mm | — |
| Copilot Key | Yes | — |
| Touchpad Type | Precision TouchPad | — |
| Touchpad Dimensions | 120 x 75 mm | — |
| Touchpad Material | Mylar | — |
| Wireless & Networking | ||
| Wi-Fi Standard | — | Wi-Fi 5 |
| Wi-Fi IEEE Standard | — | 802.11ac |
| Wi-Fi Bands | — | 2.4 GHz, 5 GHz |
| Wi-Fi Spatial Streams | — | 2x2 |
| Bluetooth Version | — | Bluetooth 4.1 |
| Ethernet | Yes | Yes |
| Ethernet Speed | 1 | 10/100 via adapter |
| WWAN | No | No |
| SIM Slot | — | — |
| Ports & Expansion | ||
| USB Type-A Port Count | 2 ports | 3 ports |
| USB Type-A Specifications | USB 5 Gbps (USB 3.2 Gen 1) | USB 3.0 x 2, USB 2.0 x 1 |
| USB Type-C Port Count | 2 ports | 1 ports |
| USB Type-C Specifications | USB 10 Gbps + Thunderbolt 4 / USB4 40 Gbps; USB PD; DisplayPort | USB Type-C x 1 |
| USB4 Port Count | 1 ports | 0 ports |
| USB4 Speed | 40 Gbps | — |
| Thunderbolt Port Count | 1 ports | 0 ports |
| Thunderbolt Version | Thunderbolt 4 | — |
| HDMI Port Count | 1 ports | 1 ports |
| HDMI Version | 2.1 | — |
| DisplayPort Output | Yes | — |
| RJ-45 Port Count | 1 ports | 0 ports |
| 3.5 mm Audio Combo Port Count | 1 ports | 1 ports |
| SD Card Slot Count | 1 ports | 0 ports |
| microSD Card Slot Count | 0 ports | 1 ports |
| Smart Card Reader | No | No |
| Internal PCIe Slots | 2 x M.2 PCIe 4.0 x4 storage slots | — |
| Battery & Power | ||
| Battery Capacity | — | 60.06 Wh |
| Battery Cells | — | 4 cells |
| Battery Chemistry | — | Lithium-ion polymer |
| Battery Life | — | 13.4 hours |
| Battery Life Test Method | — | MobileMark 2014 |
| Power Connector | — | DC-In |
| USB-C Charging | — | Yes |
| USB Power Delivery Version | USB Power Delivery 3.0 | — |
| Dimensions & Build | ||
| Width | 356 mm | 358.14 mm |
| Depth | 253.5 mm | 228.6 mm |
| Thickness | 17.5 mm | 15.24 mm |
| Weight | 1.7 kg | 1.09 kg |
| Chassis Material | Aluminium top, PC-ABS bottom | Metal alloy, Nano Carbon, Magnesium |
| Lid Material | Aluminium | — |
| Base Material | PC-ABS | — |
| MIL-STD Testing | MIL-STD-810H | MIL-STD-810G |
| Security & Manageability | ||
| TPM | Firmware TPM 2.0 | Firmware TPM (Intel PTT) |
| BIOS / UEFI Password Support | Yes | Yes |
| Drive Password Support | Yes | Yes |
| Smart Card Support | No | No |
| BIOS Recovery / Self-Healing | Yes | — |
| Certifications & Sustainability | ||
| TCO Certified | TCO Certified 9.0 | — |
| RoHS Compliance | Yes | — |
| Recycled Materials | 25% PCC battery enclosure; 50% PCC keycaps; 30% PCC speaker enclosure; 90% PCC 65W adapter | — |
| Environment & Warranty | ||
| Operating Temperature | 5–35 °C | — |
| Operating Humidity | 8–95 % RH | — |
| Storage Temperature | 5–43 °C | — |
| Warranty | — | 1 years |
| Warranty Type | — | Parts and labor |
Summary: Which Product Should You Choose?
Choose Gram 15Z975 if you need:
- Processor Model at Intel Core i7 8550U 1.8GHz (vs Core Ultra 5)
- Display Size at 15.6 inch (vs 16 inch)
What is the difference between ThinkBook 16 and Gram 15Z975?
ThinkBook 16 and Gram 15Z975 share specifications such as Installed Memory (16 GB), Storage Capacity (512 GB), Form Factor (Clamshell), Operating System Architecture (64-bit).
The main differences: Processor Model (ThinkBook 16: Core Ultra 5, Gram 15Z975: Intel Core i7 8550U 1.8GHz); Display Size (ThinkBook 16: 16 inch, Gram 15Z975: 15.6 inch).
ThinkBook 16 may suit users who need its differing values, while Gram 15Z975 benefits those who need its paired strengths. Review the specs table above before deciding.