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Side-by-side specification comparison of two reference models
A full side-by-side comparison of reference models Legion Y720-15IKB and GT72S Dominator within the same category.
Side-by-side specification comparison of two reference models
| Specification | Legion Y720-15IKB | GT72S Dominator |
|---|---|---|
| Price | Not for sale | Not for sale |
| General | ||
| Brand | Lenovo | MSI |
| Product Family | Legion | — |
| Model | Legion Y720-15IKB | GT72S Dominator |
| Model Number | Lenovo Legion Y720-15IKB | — |
| Launch Year | 2017 year | 2016 year |
| Form Factor | Clamshell | Clamshell |
| Laptop Category | Gaming | Gaming |
| Operating System | Windows 10 | Windows 10 |
| Operating System Architecture | 64-bit | 64-bit |
| Processor | ||
| Processor Manufacturer | Intel | Intel |
| Processor Family | Intel Core i7 | Intel Core i7 |
| Processor Model | Intel Core i7 7700HQ 2.8GHz | Intel Core i7 6820HK 2.7GHz |
| Processor Generation | 7th Gen | 6th Gen |
| CPU Architecture | x86-64 | x86-64 |
| CPU Process Node | 14 nm | 14 nm |
| CPU Cores | 4 cores | 4 cores |
| Efficiency Cores | 0 cores | 0 cores |
| CPU Threads | 8 threads | 8 threads |
| CPU Base Clock | 2.8 GHz | 2.7 GHz |
| CPU Max Boost Clock | 3.8 GHz | 3.6 GHz |
| L3 Cache | 6 MB | 8 MB |
| Processor Base Power | 45 W | 45 W |
| AI / NPU | ||
| Platform AI Performance | — | 0 TOPS |
| Graphics | ||
| Graphics Type | Discrete | Discrete |
| GPU Manufacturer | NVIDIA | NVIDIA |
| GPU Model | Nvidia GeForce GTX 1060 | Nvidia GeForce GTX 980M |
| GPU Architecture | Pascal | Maxwell |
| VRAM Capacity | 6 GB | 8 GB |
| VRAM Type | GDDR5 | GDDR5 |
| MUX Switch | — | Yes |
| Maximum External Displays | — | 3 displays |
| Maximum External Resolution | 4096 x 2160 @ 60 Hz via DisplayPort; 3840 x 2160 @ 60 Hz via HDMI | 3840 x 2160 @ 30 Hz |
| Memory | ||
| Installed Memory | 16 GB | 16 GB |
| Maximum Memory | 32 GB | 64 GB |
| Memory Type | DDR4 | DDR4 SDRAM |
| Memory Speed | 2400 MT/s | 2133 MT/s |
| Memory Form Factor | SO-DIMM | SO-DIMM |
| Memory Slots | 2 slots | 4 slots |
| Memory Slots Used | — | 2 slots |
| Memory Upgradeable | Yes | Yes |
| Memory Channels | Dual | Dual-channel |
| Storage | ||
| Primary Storage Type | SSD | SSD |
| Storage Capacity | 512 GB | 256 GB |
| Storage Interface | PCIe NVMe | PCIe NVMe; SATA |
| Storage PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Storage Form Factor | M.2 + 2.5-inch | M.2 2280; 2.5-inch |
| Installed Storage Drives | 2 drives | 2 drives |
| Maximum Storage Drives | 2 drives | 3 drives |
| M.2 Storage Slots | 1 slots | 2 slots |
| 2.5-inch Drive Bay | Yes | Yes |
| RAID Support | — | No |
| Card Reader | — | Yes |
| Card Reader Formats | — | SD; SDHC; SDXC |
| Card Reader Standard | — | SDXC |
| Display | ||
| Display Size | 15.6 inch | 17.3 inch |
| Display Resolution | 1920 x 1080 | 1920 x 1080 |
| Resolution Class | FHD | FHD |
| Display Technology | IPS LCD | IPS LCD |
| Panel Type | IPS | IPS |
| Refresh Rate | — | 75 Hz |
| Variable Refresh Rate | — | Yes |
| VRR Range | — | NVIDIA G-SYNC Hz |
| Display Brightness | 250 nits | — |
| Aspect Ratio | 16:9 | 16:9 |
| Display Finish | Anti-glare | Anti-glare |
| Adaptive Sync Technology | — | NVIDIA G-SYNC |
| Camera & Biometrics | ||
| Webcam Resolution | — | 1080p Full HD |
| Webcam Frame Rate | — | 30 fps |
| Camera Features | — | Fixed-focus RGB webcam |
| Audio | ||
| Speaker Configuration | 2 x 2W speakers + 3W subwoofer | Dynaudio speakers + woofer |
| Speaker Power | 2 x 2 + 3 W | — |
| Audio Technology | Dolby Atmos, JBL | Nahimic; ESS SABRE HiFi |
| Microphone Configuration | Dual-array microphone | Integrated microphone |
| Audio Jack | Yes | Yes |
| Keyboard & Input | ||
| Keyboard Type | 6-row keyboard | Full-size keyboard |
| Keyboard Backlight | Yes | Yes |
| Keyboard RGB | — | Yes |
| Keyboard RGB Zones | — | Multi-zone RGB |
| Numeric Keypad | Yes | Yes |
| Touchpad Type | One-piece touchpad | Multi-touch touchpad |
| Wireless & Networking | ||
| Wi-Fi Standard | Wi-Fi 5 | Wi-Fi 5 |
| Wi-Fi IEEE Standard | 802.11ac | IEEE 802.11ac |
| Wi-Fi Bands | Dual-band | 2.4 GHz; 5 GHz |
| Wi-Fi Spatial Streams | 2x2 | 2x2 |
| Bluetooth Version | 4.1 | Bluetooth 4.1 |
| Ethernet | Yes | Yes |
| Ethernet Speed | 1 GbE | Gigabit Ethernet |
| WWAN | No | — |
| SIM Slot | — | — |
| Ports & Expansion | ||
| USB Type-A Port Count | 3 ports | 6 ports |
| USB Type-A Specifications | 3x USB 3.0 | 6x USB 3.0 |
| USB Type-C Port Count | 1 ports | 1 ports |
| USB Type-C Specifications | 1x USB-C / Thunderbolt 3 / DisplayPort / HDMI | USB 3.1 Type-C |
| USB4 Port Count | 0 ports | 0 ports |
| Thunderbolt Port Count | 1 ports | 0 ports |
| Thunderbolt Version | Thunderbolt 3 | — |
| HDMI Port Count | 1 ports | 1 ports |
| HDMI Version | 2 | HDMI 1.4 |
| DisplayPort Output | DisplayPort 1.2 and via USB-C | Mini DisplayPort 1.2 |
| RJ-45 Port Count | 1 ports | 1 ports |
| 3.5 mm Audio Combo Port Count | 1 ports | 2 ports |
| SD Card Slot Count | 0 ports | 1 ports |
| microSD Card Slot Count | 0 ports | — |
| Smart Card Reader | No | — |
| Security Lock Slot | Yes | Yes |
| Internal PCIe Slots | 1x M.2 storage slot | — |
| Battery & Power | ||
| Battery Capacity | 60 Wh | 87 Wh |
| Battery Cells | 4 cells | 9 cells |
| Battery Chemistry | Li-polymer | Lithium-ion |
| Battery Life | 5 hours | — |
| Battery Life Test Method | Lenovo internal estimate | — |
| Power Adapter | 170 W | 230 W |
| Power Connector | Barrel (round-tip) | Barrel connector |
| Dimensions & Build | ||
| Width | 380 mm | 428 mm |
| Depth | 277 mm | 294 mm |
| Thickness | 29 mm | 48 mm |
| Weight | 3.2 kg | 3.78 kg |
| Chassis Material | Aluminum | Aluminum; Plastic |
| Lid Material | Aluminum | — |
| Base Material | Aluminum | — |
| Hinge Opening Angle | — | 180 degree |
| IP Rating | — | Not rated |
| Security & Manageability | ||
| TPM | — | Firmware TPM 2.0 |
| BIOS / UEFI Password Support | Yes | Yes |
| Drive Password Support | Yes | Yes |
| Secure Boot | — | Yes |
| Enterprise Manageability | — | — |
| Smart Card Support | No | — |
| BIOS Recovery / Self-Healing | — | Standard BIOS recovery |
| Sensors | ||
| Hall Sensor | — | Yes |
| Certifications & Sustainability | ||
| ENERGY STAR | ENERGY STAR 6.1 | — |
| EPEAT | Silver | — |
| RoHS Compliance | Yes | Yes |
| Environment & Warranty | ||
| Operating Temperature | — | 5–35 °C °C |
| Operating Humidity | — | 20–80% RH, non-condensing % RH |
| Storage Temperature | — | -20–60 °C °C |
| Warranty | — | 2 years |
| Warranty Type | — | Limited warranty |
Legion Y720-15IKB and GT72S Dominator share specifications such as Installed Memory (16 GB), Display Resolution (1920 x 1080), Form Factor (Clamshell), Laptop Category (Gaming).
The main differences: Processor Model (Legion Y720-15IKB: Intel Core i7 7700HQ 2.8GHz, GT72S Dominator: Intel Core i7 6820HK 2.7GHz); GPU Model (Legion Y720-15IKB: Nvidia GeForce GTX 1060, GT72S Dominator: Nvidia GeForce GTX 980M); Storage Capacity (Legion Y720-15IKB: 512 GB, GT72S Dominator: 256 GB); Display Size (Legion Y720-15IKB: 15.6 inch, GT72S Dominator: 17.3 inch).
Legion Y720-15IKB may suit users who need its differing values, while GT72S Dominator benefits those who need its paired strengths. Review the specs table above before deciding.
