Choose Thinkpad P51s if you need:
- Processor Model at Intel Core i7 7600U 2.8GHz (vs Intel Core i7-6700HQ)
- GPU Model at NVIDIA Quadro M520 (vs NVIDIA GeForce GTX 960M)
- Storage Capacity at 1000 GB (vs 128 GB)
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Side-by-side specification comparison of two reference models
Compare Thinkpad P51s vs Inspiron 7559
A full side-by-side comparison of reference models Thinkpad P51s and Inspiron 7559 within the same category.
Specifications
Side-by-side specification comparison of two reference models
| Specification | Thinkpad P51s | Inspiron 7559 |
|---|---|---|
| Price | Not for sale | Not for sale |
| General | ||
| Brand | Lenovo | Dell |
| Product Family | ThinkPad | Dell Inspiron |
| Model | Thinkpad P51s | Inspiron 7559 |
| Model Number | — | Inspiron 7559 |
| Launch Year | 2017 year | 2016 year |
| Form Factor | Clamshell | Clamshell |
| Laptop Category | Mobile Workstation | 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 7600U 2.8GHz | Intel Core i7-6700HQ |
| Processor Generation | 7th Gen | 6th Gen (Skylake) |
| CPU Architecture | x86-64 | Skylake-H |
| CPU Process Node | 14 nm | 14 nm |
| CPU Cores | 2 cores | 4 cores |
| Efficiency Cores | 0 cores | 0 cores |
| CPU Threads | 4 threads | 8 threads |
| CPU Base Clock | 2.8 GHz | 2.6 GHz |
| CPU Max Boost Clock | 3.9 GHz | 3.5 GHz |
| L2 Cache | — | 1 MB |
| L3 Cache | 4 MB | 6 MB |
| Processor Base Power | 15 W | 45 W |
| Maximum Processor Power | — | 45 W |
| CPU Manageability Technology | Intel vPro eligible | Intel Standard Manageability; Intel vPro not supported |
| Graphics | ||
| Graphics Type | Discrete | Discrete |
| GPU Manufacturer | NVIDIA | NVIDIA |
| GPU Model | NVIDIA Quadro M520 | NVIDIA GeForce GTX 960M |
| GPU Architecture | NVIDIA Maxwell | Maxwell |
| VRAM Capacity | 2 GB | 2 GB |
| VRAM Type | GDDR5 | GDDR5 |
| GPU TGP | — | 50 W |
| GPU Boost Clock | — | 1176 MHz |
| Maximum External Displays | 3 displays | 3 displays |
| Maximum External Resolution | 4096 x 2304 | 3840 x 2160 @ 60 Hz |
| Memory | ||
| Installed Memory | 16 GB | 16 GB |
| Maximum Memory | 32 GB | 16 GB |
| Memory Type | DDR4 | DDR3L |
| Memory Speed | 2400 MT/s | 1600 MT/s |
| Memory Form Factor | SO-DIMM | SO-DIMM |
| Memory Slots | 2 slots | 2 slots |
| Memory Slots Used | — | 2 slots |
| Memory Upgradeable | Yes | Yes |
| Memory Channels | Dual | Dual-channel |
| Storage | ||
| Primary Storage Type | SSD | SSD |
| Storage Capacity | 1000 GB | 128 GB |
| Storage Interface | — | SATA III / PCIe NVMe |
| Storage PCIe Generation | PCIe 3.0 x4 | — |
| Storage Form Factor | — | M.2 + 2.5-inch |
| Installed Storage Drives | 1 drives | 2 drives |
| Maximum Storage Drives | 2 drives | 2 drives |
| M.2 Storage Slots | 2 slots | 1 slots |
| 2.5-inch Drive Bay | Yes | Yes |
| RAID Support | — | — |
| Card Reader | Yes | Yes |
| Card Reader Formats | MMC, SD, SDHC, SDXC | SD/SDHC/SDXC |
| Card Reader Standard | SD 3.0 / UHS-I | UHS-I |
| Display | ||
| Display Size | 15.6 inch | 15.6 inch |
| Display Resolution | 3840 x 2160 | 3840 x 2160 |
| Resolution Class | 4K | UHD 4K |
| Display Technology | IPS LCD | LED-backlit LCD |
| Panel Type | IPS | IPS |
| Touchscreen | — | Yes |
| Refresh Rate | 60 Hz | 60 Hz |
| Display Brightness | 300 nits | 300 nits |
| Color Depth | — | 8-bit |
| Contrast Ratio | 1000:1 | — |
| Aspect Ratio | 16:9 | 16:9 |
| Display Finish | Anti-glare | Glossy |
| Adaptive Sync Technology | — | — |
| Viewing Angle | 170 horizontal / 170 vertical degree | 160° degree |
| Flicker-Free | — | Yes |
| Camera & Biometrics | ||
| Webcam Resolution | 720p | 720p HD |
| Webcam Frame Rate | — | 30 fps |
| Camera Features | Fixed focus | — |
| Audio | ||
| Speaker Configuration | 2 x speakers | 2 speakers + subwoofer |
| Speaker Power | 2 x 2 W | — |
| Audio Technology | HD Audio | Waves MaxxAudio Pro |
| Microphone Configuration | Dual-array microphone | Digital-array microphone |
| Audio Jack | Yes | Yes |
| Keyboard & Input | ||
| Keyboard Type | Spill-resistant | Full-size island-style keyboard |
| Keyboard Backlight | — | Yes |
| Keyboard RGB Zones | 0 zones | — |
| Numeric Keypad | Yes | Yes |
| Spill-Resistant Keyboard | Yes | — |
| Touchpad Type | Buttonless multi-touch clickpad | Multi-touch precision touchpad |
| Touchpad Material | Mylar surface | — |
| Pointing Stick | Yes | — |
| Wireless & Networking | ||
| Wi-Fi Standard | Wi-Fi 5 | Wi-Fi 5 (802.11ac) |
| 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 Dual Band Wireless-AC 8265 | Intel dual-band wireless |
| Bluetooth Version | 4.1 | 4.1 |
| Ethernet | Yes | Yes |
| Ethernet Speed | 1 GbE | 10/100/1000 Mbps |
| WWAN | Optional | No |
| SIM Slot | Micro-SIM | — |
| Ports & Expansion | ||
| USB Type-A Port Count | 3 ports | 3 ports |
| USB Type-A Specifications | USB 5Gbps | USB 3.x Type-A |
| USB Type-C Port Count | 1 ports | 0 ports |
| USB Type-C Specifications | USB 10Gbps, Thunderbolt 3 | — |
| 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 | 1.4 | HDMI 1.4 |
| DisplayPort Output | via USB-C | — |
| RJ-45 Port Count | 1 ports | 1 ports |
| 3.5 mm Audio Combo Port Count | 1 ports | 1 ports |
| SD Card Slot Count | 1 ports | 1 ports |
| microSD Card Slot Count | 0 ports | 0 ports |
| Smart Card Reader | Optional | No |
| Security Lock Slot | Yes | Yes |
| Dedicated Docking Connector | Yes | — |
| Internal PCIe Slots | M.2 storage, WLAN and optional WWAN slots | 1 M.2 storage slot(s) |
| Battery & Power | ||
| Battery Capacity | — | 74 Wh |
| Battery Cells | — | 6 cells |
| Battery Chemistry | Li-Ion | Lithium-ion |
| Removable Battery | Yes | — |
| Power Adapter | 65 W | 130 W |
| Power Connector | USB-C or Lenovo slim-tip | Barrel power connector |
| USB-C Charging | Yes | — |
| USB Power Delivery Version | USB Power Delivery (revision not stated) | — |
| Maximum USB-C Charging Power | 65 W | — |
| Dimensions & Build | ||
| Width | 365.8 mm | 383 mm |
| Depth | 252.8 mm | 265 mm |
| Thickness | 20.2 mm | 25.3 mm |
| Weight | 2.5 kg | 2.72 kg |
| Chassis Material | Glass-Fiber Reinforced Plastic | Plastic |
| Lid Material | Glass-Fiber Reinforced Plastic | Plastic |
| Base Material | Glass-Fiber Reinforced Plastic | Plastic |
| Hinge Opening Angle | 180 degree | 135 degree |
| MIL-STD Testing | MIL-STD-810G | Not claimed |
| IP Rating | No rated ingress protection | — |
| Security & Manageability | ||
| TPM | dTPM 2.0 | TPM 2.0 |
| BIOS / UEFI Password Support | Yes | Yes |
| Drive Password Support | Yes | Yes |
| Secure Boot | Yes | Yes |
| Enterprise Manageability | Intel vPro capable | Consumer BIOS/UEFI management |
| Smart Card Support | Optional | No |
| BIOS Recovery / Self-Healing | — | BIOS recovery supported |
| Certifications & Sustainability | ||
| ENERGY STAR | ENERGY STAR 6.1 | Not claimed |
| EPEAT | Gold | Not claimed |
| TCO Certified | — | Not claimed |
| RoHS Compliance | Yes | Yes |
| Recycled Materials | — | Not claimed |
| Environment & Warranty | ||
| Operating Temperature | 5 to 35 °C | 5 to 35 °C |
| Operating Humidity | — | 10 to 90 (non-condensing) % RH |
| Storage Temperature | — | -20 to 60 °C |
| Warranty | — | 1 years |
| Warranty Type | — | Limited hardware warranty; region dependent |
Summary: Which Product Should You Choose?
Choose Inspiron 7559 if you need:
- Processor Model at Intel Core i7-6700HQ (vs Intel Core i7 7600U 2.8GHz)
- GPU Model at NVIDIA GeForce GTX 960M (vs NVIDIA Quadro M520)
- Storage Capacity at 128 GB (vs 1000 GB)
What is the difference between Thinkpad P51s and Inspiron 7559?
Thinkpad P51s and Inspiron 7559 share specifications such as Installed Memory (16 GB), Display Size (15.6 inch), Display Resolution (3840 x 2160), Form Factor (Clamshell).
The main differences: Processor Model (Thinkpad P51s: Intel Core i7 7600U 2.8GHz, Inspiron 7559: Intel Core i7-6700HQ); GPU Model (Thinkpad P51s: NVIDIA Quadro M520, Inspiron 7559: NVIDIA GeForce GTX 960M); Storage Capacity (Thinkpad P51s: 1000 GB, Inspiron 7559: 128 GB).
Thinkpad P51s may suit users who need its differing values, while Inspiron 7559 benefits those who need its paired strengths. Review the specs table above before deciding.