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Side-by-side specification comparison of two reference models
A full side-by-side comparison of reference models Chromebook Spin 311 CP311-3H-K72P and Gram 15Z975 within the same category.
Side-by-side specification comparison of two reference models
| Specification | Chromebook Spin 311 CP311-3H-K72P | Gram 15Z975 |
|---|---|---|
| Price | Not for sale | Not for sale |
| General | ||
| Brand | Acer | LG |
| Product Family | Chromebook Spin 311 | Gram |
| Model | Chromebook Spin 311 CP311-3H-K72P | Gram 15Z975 |
| Model Number | CP311-3H | 15Z975-U.AP71U1 |
| Part Number / SKU | NX.HUVEH.002 | 15Z975-U.AP71U1 |
| Launch Year | 2025 year | 2018 year |
| Form Factor | 2-in-1 Convertible | Clamshell |
| Laptop Category | Education / Budget | Premium / Ultraportable |
| Color | Pure Silver | Dark Silver |
| Operating System | ChromeOS | Windows 10 Pro |
| Operating System Architecture | ARM64 | 64-bit |
| Processor | ||
| Processor Manufacturer | MediaTek | Intel |
| Processor Family | MediaTek MT8183 | Intel Core i7 |
| Processor Model | MT8183 | Intel Core i7 8550U 1.8GHz |
| Processor Generation | MediaTek Kompanio 500 | 8th Gen |
| CPU Architecture | ARM64 | x86-64 |
| CPU Process Node | 12 nm | 14 nm |
| CPU Cores | 8 cores | 4 cores |
| Performance Cores | 4 cores | — |
| Efficiency Cores | 4 cores | 0 cores |
| CPU Threads | — | 8 threads |
| CPU Base Clock | 2 GHz | 1.8 GHz |
| CPU Max Boost Clock | 2 GHz | 4 GHz |
| L3 Cache | — | 8 MB |
| Processor Base Power | — | 15 W |
| AI / NPU | ||
| NPU | Yes | — |
| NPU Model | MediaTek dual-core AI processor (APU) | — |
| NPU Performance | 0.5 TOPS | — |
| Graphics | ||
| Graphics Type | Integrated | Integrated |
| GPU Manufacturer | MediaTek | Intel |
| GPU Model | Mali-G72 MP3 | Intel UHD Graphics 620 |
| VRAM Capacity | 0 GB | 0 GB |
| VRAM Type | Shared system memory | Shared system memory |
| GPU Boost Clock | — | 1150 MHz |
| Memory | ||
| Installed Memory | 4 GB | 16 GB |
| Memory Type | LPDDR4X | DDR4 |
| Memory Speed | — | 2400 MT/s |
| Memory Form Factor | Onboard | SO-DIMM + Soldered |
| Memory Slots | 0 slots | 1 slots |
| Memory Slots Used | 0 slots | 1 slots |
| Memory Upgradeable | No | Partially |
| Memory Channels | — | Dual |
| Storage | ||
| Primary Storage Type | eMMC | SSD |
| Storage Capacity | 64 GB | 512 GB |
| Storage Interface | eMMC | SATA III |
| Storage Form Factor | Embedded / soldered eMMC | M.2 2280 |
| Installed Storage Drives | 1 drives | 1 drives |
| Maximum Storage Drives | 1 drives | — |
| M.2 Storage Slots | 0 slots | — |
| RAID Support | No | — |
| Card Reader | — | Yes |
| Card Reader Formats | — | microSD |
| Display | ||
| Display Size | 11.6 inch | 15.6 inch |
| Display Resolution | 1366 x 768 | 1920 x 1080 |
| Resolution Class | HD | FHD |
| Display Technology | IPS LCD | IPS LCD |
| Panel Type | IPS | IPS |
| Touchscreen | Yes | — |
| sRGB Color Gamut | — | 100 % |
| Aspect Ratio | 16:9 | 16:9 |
| Camera & Biometrics | ||
| Webcam Resolution | 1280 x 720 | HD |
| Fingerprint Reader | — | Yes |
| Camera Features | Wide Viewing Angle | — |
| Audio | ||
| Speaker Configuration | 2 x stereo speakers | Stereo 2-speaker |
| Speaker Power | — | 1 x 2 W |
| Audio Technology | — | DTS Headphone:X |
| Microphone Configuration | Built-in microphone | — |
| Audio Jack | Yes | Yes |
| Keyboard & Input | ||
| Keyboard Type | US International Keyboard | — |
| Keyboard Backlight | — | Yes |
| Key Travel | 1.6 mm | — |
| Touchpad Type | TouchPad | — |
| Wireless & Networking | ||
| Wi-Fi Standard | Wi-Fi 5 | Wi-Fi 5 |
| Wi-Fi IEEE Standard | IEEE 802.11ac | 802.11ac |
| Wi-Fi Bands | — | 2.4 GHz, 5 GHz |
| Wi-Fi Spatial Streams | 2x2 | 2x2 |
| Bluetooth Version | 4.2 | Bluetooth 4.1 |
| Ethernet | — | Yes |
| Ethernet Speed | — | 10/100 via adapter |
| WWAN | No | No |
| SIM Slot | — | — |
| Ports & Expansion | ||
| USB Type-A Port Count | 1 ports | 3 ports |
| USB Type-A Specifications | USB 2.0 | USB 3.0 x 2, USB 2.0 x 1 |
| USB Type-C Port Count | 1 ports | 1 ports |
| USB Type-C Specifications | USB 3.1 Gen 1 (5 Gbps) | USB Type-C x 1 |
| USB4 Port Count | 0 ports | 0 ports |
| Thunderbolt Port Count | 0 ports | 0 ports |
| HDMI Port Count | 0 ports | 1 ports |
| DisplayPort Output | DisplayPort over USB-C | — |
| 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 | 0 ports |
| microSD Card Slot Count | 0 ports | 1 ports |
| Smart Card Reader | No | No |
| Battery & Power | ||
| Battery Capacity | 36 Wh | 60.06 Wh |
| Battery Cells | 2 cells | 4 cells |
| Battery Chemistry | Li-ion | Lithium-ion polymer |
| Battery Life | 16 hours | 13.4 hours |
| Battery Life Test Method | — | MobileMark 2014 |
| Power Adapter | 45 W | — |
| Power Connector | USB-C | DC-In |
| USB-C Charging | Yes | Yes |
| USB Power Delivery Version | USB Power Delivery | — |
| Maximum USB-C Charging Power | 45 W | — |
| Dimensions & Build | ||
| Width | 290 mm | 358.14 mm |
| Depth | 206 mm | 228.6 mm |
| Thickness | 18.8 mm | 15.24 mm |
| Weight | 1.2 kg | 1.09 kg |
| Chassis Material | — | Metal alloy, Nano Carbon, Magnesium |
| MIL-STD Testing | — | MIL-STD-810G |
| Security & Manageability | ||
| TPM | H1 TPM | Firmware TPM (Intel PTT) |
| BIOS / UEFI Password Support | — | Yes |
| Drive Password Support | — | Yes |
| Smart Card Support | No | No |
| Environment & Warranty | ||
| Warranty | 1 years | 1 years |
| Warranty Type | Pick up & Return / Drop-off collection point (1-year ITW) | Parts and labor |
Chromebook Spin 311 CP311-3H-K72P and Gram 15Z975 share specifications such as Graphics Type (Integrated), VRAM Capacity (0 GB), VRAM Type (Shared system memory), Installed Storage Drives (1 drives).
The main differences: Processor Model (Chromebook Spin 311 CP311-3H-K72P: MT8183, Gram 15Z975: Intel Core i7 8550U 1.8GHz); GPU Model (Chromebook Spin 311 CP311-3H-K72P: Mali-G72 MP3, Gram 15Z975: Intel UHD Graphics 620); Installed Memory (Chromebook Spin 311 CP311-3H-K72P: 4 GB, Gram 15Z975: 16 GB); Storage Capacity (Chromebook Spin 311 CP311-3H-K72P: 64 GB, Gram 15Z975: 512 GB).
Chromebook Spin 311 CP311-3H-K72P 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.
