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Side-by-side specification comparison of two reference models
A full side-by-side comparison of reference models Gram 15Z975 and ThinkPad Yoga 370 20JH002K within the same category.
Side-by-side specification comparison of two reference models
| Specification | Gram 15Z975 | ThinkPad Yoga 370 20JH002K |
|---|---|---|
| Price | Not for sale | Not for sale |
| General | ||
| Brand | LG | Lenovo |
| Product Family | Gram | ThinkPad |
| Model | Gram 15Z975 | ThinkPad Yoga 370 20JH002K |
| Model Number | 15Z975-U.AP71U1 | Yoga 370 |
| Part Number / SKU | 15Z975-U.AP71U1 | 20JH002K |
| Launch Year | 2018 year | 2017 year |
| Form Factor | Clamshell | 2-in-1 Convertible |
| Laptop Category | Premium / Ultraportable | 2-in-1 |
| Color | Dark Silver | Black |
| Operating System | Windows 10 Pro | Windows 10 Pro 64 |
| Operating System Architecture | 64-bit | 64-bit |
| Processor | ||
| Processor Manufacturer | Intel | Intel |
| Processor Family | Intel Core i7 | Intel Core i5 |
| Processor Model | Intel Core i7 8550U 1.8GHz | Intel Core i5 7200U 2.5GHz |
| Processor Generation | 8th Gen | 7th Gen |
| CPU Architecture | x86-64 | x86-64 |
| CPU Process Node | 14 nm | 14 nm |
| CPU Cores | 4 cores | 2 cores |
| Efficiency Cores | 0 cores | 0 cores |
| CPU Threads | 8 threads | 4 threads |
| CPU Base Clock | 1.8 GHz | 2.5 GHz |
| CPU Max Boost Clock | 4 GHz | 3.1 GHz |
| L3 Cache | 8 MB | 3 MB |
| Processor Base Power | 15 W | 15 W |
| CPU Manageability Technology | — | Not Intel vPro eligible |
| Graphics | ||
| Graphics Type | Integrated | Integrated |
| GPU Manufacturer | Intel | Intel |
| GPU Model | Intel UHD Graphics 620 | Intel HD Graphics 620 |
| GPU Architecture | — | Intel Gen9.5 |
| VRAM Capacity | 0 GB | 0 GB |
| VRAM Type | Shared system memory | Shared system memory |
| GPU Boost Clock | 1150 MHz | — |
| Maximum External Displays | — | 2 displays |
| Maximum External Resolution | — | 4096 x 2160 @ 24Hz |
| Memory | ||
| Installed Memory | 16 GB | 8 GB |
| Memory Type | DDR4 | DDR4 |
| Memory Speed | 2400 MT/s | 2133 MT/s |
| Memory Form Factor | SO-DIMM + Soldered | — |
| Memory Slots | 1 slots | — |
| Memory Slots Used | 1 slots | — |
| Memory Upgradeable | Partially | — |
| Memory Channels | Dual | 2 |
| Storage | ||
| Primary Storage Type | SSD | SSD |
| Storage Capacity | 512 GB | 256 GB |
| Storage Interface | SATA III | PCIe NVMe |
| Storage PCIe Generation | — | PCIe 3.0 x4 |
| Storage Form Factor | M.2 2280 | M.2 |
| Installed Storage Drives | 1 drives | 1 drives |
| RAID Support | — | — |
| Card Reader | Yes | — |
| Card Reader Formats | microSD | — |
| Card Reader Standard | — | UHS-I / SD-family |
| Display | ||
| Display Size | 15.6 inch | 13.3 inch |
| Display Resolution | 1920 x 1080 | 1920 x 1080 |
| Resolution Class | FHD | FHD |
| Display Technology | IPS LCD | IPS LCD |
| Panel Type | IPS | IPS |
| Touchscreen | — | Yes |
| Pen Support | — | Yes |
| Refresh Rate | — | 60 Hz |
| Display Brightness | — | 300 nits |
| sRGB Color Gamut | 100 % | — |
| Aspect Ratio | 16:9 | 16:9 |
| Display Finish | — | Glossy |
| Adaptive Sync Technology | — | — |
| Viewing Angle | — | 170 horizontal / 170 vertical degree |
| Camera & Biometrics | ||
| Webcam Resolution | HD | 720p |
| Fingerprint Reader | Yes | Yes |
| Camera Features | — | Fixed focus |
| Audio | ||
| Speaker Configuration | Stereo 2-speaker | 2 x speakers |
| Speaker Power | 1 x 2 W | 2 x 2W W |
| Audio Technology | DTS Headphone:X | Dolby Audio Premium (DAX2) |
| Microphone Configuration | — | Dual-array microphone |
| Audio Jack | Yes | Yes |
| Keyboard & Input | ||
| Keyboard Type | — | 6-row ThinkPad keyboard |
| Keyboard Backlight | Yes | Yes |
| Keyboard RGB Zones | — | 0 zones |
| Spill-Resistant Keyboard | — | Yes |
| Touchpad Type | — | Buttonless multi-touch clickpad |
| Touchpad Material | — | Mylar surface |
| Pointing Stick | — | Yes |
| Stylus Included | — | Yes |
| Stylus Model | — | Lenovo Pen Pro |
| Wireless & Networking | ||
| Wi-Fi Standard | Wi-Fi 5 | Wi-Fi 5 |
| Wi-Fi IEEE Standard | 802.11ac | 802.11ac |
| Wi-Fi Bands | 2.4 GHz, 5 GHz | 2.4 GHz, 5 GHz |
| Wi-Fi Spatial Streams | 2x2 | 2x2 |
| Wi-Fi Module | — | Intel 8265 |
| Bluetooth Version | Bluetooth 4.1 | 4.1 |
| Ethernet | Yes | — |
| Ethernet Speed | 10/100 via adapter | 1Gbps |
| WWAN | No | No |
| SIM Slot | — | — |
| Ports & Expansion | ||
| USB Type-A Port Count | 3 ports | 2 ports |
| USB Type-A Specifications | USB 3.0 x 2, USB 2.0 x 1 | USB 5Gbps |
| USB Type-C Port Count | 1 ports | 1 ports |
| USB Type-C Specifications | USB Type-C x 1 | USB 10Gbps, USB PD, DisplayPort, Thunderbolt 3 |
| USB4 Port Count | 0 ports | 0 ports |
| Thunderbolt Port Count | 0 ports | 1 ports |
| Thunderbolt Version | — | Thunderbolt 3 |
| HDMI Port Count | 1 ports | 1 ports |
| HDMI Version | — | 1.4b |
| RJ-45 Port Count | 0 ports | 0 ports |
| 3.5 mm Audio Combo Port Count | 1 ports | 1 ports |
| SD Card Slot Count | 0 ports | — |
| microSD Card Slot Count | 1 ports | 1 ports |
| Smart Card Reader | No | Yes |
| Security Lock Slot | — | Yes |
| Internal PCIe Slots | — | M.2 storage, WLAN and optional WWAN slots |
| Battery & Power | ||
| Battery Capacity | 60.06 Wh | 51 Wh |
| Battery Cells | 4 cells | 4 cells |
| Battery Chemistry | Lithium-ion polymer | Li-Polymer |
| Battery Life | 13.4 hours | 12.5 hours |
| Battery Life Test Method | MobileMark 2014 | MobileMark 2014 |
| Power Adapter | — | 45 W |
| Power Connector | DC-In | USB-C |
| USB-C Charging | Yes | Yes |
| USB Power Delivery Version | — | USB Power Delivery (revision not stated) |
| Maximum USB-C Charging Power | — | 65 W |
| Dimensions & Build | ||
| Width | 358.14 mm | 313.5 mm |
| Depth | 228.6 mm | 222.2 mm |
| Thickness | 15.24 mm | 18.2 mm |
| Weight | 1.09 kg | 1.37 kg |
| Chassis Material | Metal alloy, Nano Carbon, Magnesium | Carbon-Fiber Hybrid |
| Lid Material | — | Carbon-fiber hybrid |
| Base Material | — | Magnesium alloy |
| Hinge Opening Angle | — | 360 degree |
| MIL-STD Testing | MIL-STD-810G | MIL-STD-810G |
| IP Rating | — | No rated ingress protection |
| Security & Manageability | ||
| TPM | Firmware TPM (Intel PTT) | dTPM 2.0 |
| BIOS / UEFI Password Support | Yes | Yes |
| Drive Password Support | Yes | Yes |
| Secure Boot | — | Yes |
| Enterprise Manageability | — | No Intel vPro platform eligibility |
| Smart Card Support | No | Optional |
| Sensors | ||
| Ambient Light Sensor | — | Yes |
| Accelerometer | — | Yes |
| Gyroscope | — | Yes |
| Certifications & Sustainability | ||
| ENERGY STAR | — | ENERGY STAR 6.1 |
| RoHS Compliance | — | Yes |
| Environment & Warranty | ||
| Operating Temperature | — | 5 to 35 °C |
| Warranty | 1 years | 1 years |
| Warranty Type | Parts and labor | — |
Gram 15Z975 and ThinkPad Yoga 370 20JH002K share specifications such as Display Resolution (1920 x 1080), Operating System Architecture (64-bit), Processor Manufacturer (Intel), CPU Architecture (x86-64).
The main differences: Processor Model (Gram 15Z975: Intel Core i7 8550U 1.8GHz, ThinkPad Yoga 370 20JH002K: Intel Core i5 7200U 2.5GHz); GPU Model (Gram 15Z975: Intel UHD Graphics 620, ThinkPad Yoga 370 20JH002K: Intel HD Graphics 620); Installed Memory (Gram 15Z975: 16 GB, ThinkPad Yoga 370 20JH002K: 8 GB); Storage Capacity (Gram 15Z975: 512 GB, ThinkPad Yoga 370 20JH002K: 256 GB).
Gram 15Z975 may suit users who need its differing values, while ThinkPad Yoga 370 20JH002K benefits those who need its paired strengths. Review the specs table above before deciding.
