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Side-by-side specification comparison of two reference models
A full side-by-side comparison of reference models Precision 3520 and Spin SP111-31 within the same category.
Side-by-side specification comparison of two reference models
| Specification | Precision 3520 | Spin SP111-31 |
|---|---|---|
| Price | Not for sale | Not for sale |
| General | ||
| Brand | Dell | Acer |
| Product Family | Dell Precision | Spin |
| Model | Precision 3520 | Spin SP111-31 |
| Model Number | Precision 3520 | — |
| Launch Year | 2016 year | 2017 year |
| Form Factor | Clamshell | 2-in-1 Convertible |
| Laptop Category | Mobile Workstation | 2-in-1 |
| Operating System | Windows 10 | Windows 10 |
| Operating System Architecture | 64-bit | 64-bit |
| Processor | ||
| Processor Manufacturer | Intel | Intel |
| Processor Family | Intel Core i7 | Intel Celeron |
| Processor Model | Intel Core i7-6820HQ | Intel Celeron Dual Core N3350 2.0GHz |
| Processor Generation | 6th Gen (Skylake) | Apollo Lake |
| CPU Architecture | Skylake-H | 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 | 2 threads |
| CPU Base Clock | 2.7 GHz | 2 GHz |
| CPU Max Boost Clock | 3.6 GHz | 2.4 GHz |
| L2 Cache | 1 MB | 2 MB |
| L3 Cache | 8 MB | — |
| Processor Base Power | 45 W | 6 W |
| Maximum Processor Power | 45 W | — |
| CPU Manageability Technology | Intel vPro supported on eligible business systems | — |
| AI / NPU | ||
| Platform AI Performance | — | 0 TOPS |
| Graphics | ||
| Graphics Type | Discrete | Integrated |
| GPU Manufacturer | NVIDIA | Intel |
| GPU Model | NVIDIA Quadro M620 | Intel HD Graphics 500 |
| GPU Architecture | Maxwell | — |
| VRAM Capacity | 2 GB | 0 GB |
| VRAM Type | GDDR5 | Shared system memory |
| GPU TGP | 30 W | 0 W |
| GPU Boost Clock | 1018 MHz | — |
| Maximum External Displays | 3 displays | 2 displays |
| Maximum External Resolution | 3840 x 2160 @ 60 Hz | 3840 x 2160 @ 30 Hz |
| Memory | ||
| Installed Memory | 16 GB | 4 GB |
| Maximum Memory | 32 GB | 8 GB |
| Memory Type | DDR4 | DDR3L SDRAM |
| Memory Speed | 2400 MT/s | 1600 MT/s |
| Memory Form Factor | SO-DIMM | SO-DIMM |
| Memory Slots | 2 slots | 1 slots |
| Memory Slots Used | 2 slots | 1 slots |
| Memory Upgradeable | Yes | Yes |
| Memory Channels | Dual-channel | Single-channel |
| Storage | ||
| Primary Storage Type | SSD | Flash Storage |
| Storage Capacity | 256 GB | 32 GB |
| Storage Interface | SATA III / PCIe NVMe | eMMC |
| Storage Form Factor | M.2 + 2.5-inch | Onboard |
| Installed Storage Drives | 1 drives | 1 drives |
| Maximum Storage Drives | 2 drives | 1 drives |
| M.2 Storage Slots | 1 slots | 0 slots |
| 2.5-inch Drive Bay | Yes | — |
| RAID Support | — | — |
| Card Reader | Yes | Yes |
| Card Reader Formats | SD/SDHC/SDXC | microSD; microSDHC; microSDXC |
| Card Reader Standard | UHS-I | microSDXC |
| Display | ||
| Display Size | 15.6 inch | 11.6 inch |
| Display Resolution | 1920 x 1080 | 1920 x 1080 |
| Resolution Class | FHD | FHD |
| Display Technology | LED-backlit LCD | IPS LCD |
| Panel Type | IPS | IPS |
| Touchscreen | — | Yes |
| Refresh Rate | 60 Hz | 60 Hz |
| Display Brightness | 300 nits | 300 nits |
| Color Depth | 8-bit | — |
| Aspect Ratio | 16:9 | 16:9 |
| Display Finish | Anti-glare | Glossy |
| Adaptive Sync Technology | — | — |
| Viewing Angle | 160° degree | — |
| Flicker-Free | Yes | — |
| Camera & Biometrics | ||
| Webcam Resolution | 720p HD | 720p HD |
| Webcam Frame Rate | 30 fps | 30 fps |
| Camera Features | — | Fixed-focus RGB webcam |
| Audio | ||
| Speaker Configuration | 2 speakers | Stereo speakers |
| Audio Technology | Waves MaxxAudio Pro | Acer TrueHarmony |
| Microphone Configuration | Digital-array microphone | Integrated microphone |
| Audio Jack | Yes | Yes |
| Keyboard & Input | ||
| Keyboard Type | Full-size island-style keyboard | Compact keyboard |
| Keyboard Backlight | Yes | — |
| Numeric Keypad | Yes | — |
| Spill-Resistant Keyboard | Yes | — |
| Touchpad Type | Multi-touch precision touchpad | Multi-touch touchpad |
| Wireless & Networking | ||
| Wi-Fi Standard | Wi-Fi 5 (802.11ac) | Wi-Fi 5 |
| Wi-Fi IEEE Standard | 802.11ac | IEEE 802.11ac |
| Wi-Fi Bands | 2.4 GHz; 5 GHz | 2.4 GHz; 5 GHz |
| Wi-Fi Spatial Streams | 2x2 | 1x1 |
| Wi-Fi Module | Intel dual-band wireless | Qualcomm Atheros QCA9377 |
| Bluetooth Version | 4.2 | Bluetooth 4.1 |
| Ethernet | Yes | — |
| Ethernet Speed | 10/100/1000 Mbps | — |
| WWAN | No | — |
| SIM Slot | — | — |
| Ports & Expansion | ||
| USB Type-A Port Count | 3 ports | 3 ports |
| USB Type-A Specifications | USB 3.x Type-A | 1x USB 3.0; 2x USB 2.0 |
| USB Type-C Port Count | 1 ports | 0 ports |
| USB Type-C Specifications | USB 3.x Type-C; DisplayPort Alt Mode where supported | — |
| 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 | HDMI 1.4 | — |
| DisplayPort Output | Mini DisplayPort / USB-C DisplayPort Alt Mode | — |
| 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 | — |
| microSD Card Slot Count | 0 ports | 1 ports |
| Smart Card Reader | No | — |
| Security Lock Slot | Yes | Yes |
| Dedicated Docking Connector | Yes | — |
| Internal PCIe Slots | 1 M.2 storage slot(s) | — |
| Battery & Power | ||
| Battery Capacity | 68 Wh | 48 Wh |
| Battery Cells | 4 cells | 4 cells |
| Battery Chemistry | Lithium-ion | Lithium-ion |
| Battery Life | — | 9 hours |
| Power Adapter | 130 W | 45 W |
| Power Connector | Barrel power connector | Barrel connector |
| Dimensions & Build | ||
| Width | 377.1 mm | 298 mm |
| Depth | 252.6 mm | 210 mm |
| Thickness | 24.3 mm | 20.3 mm |
| Weight | 2.17 kg | 1.25 kg |
| Chassis Material | Plastic | Plastic |
| Lid Material | Plastic | — |
| Base Material | Plastic | — |
| Hinge Opening Angle | 135 degree | 360 degree |
| MIL-STD Testing | Business-platform durability testing; no blanket MIL-STD claim | — |
| IP Rating | — | Not rated |
| Security & Manageability | ||
| TPM | TPM 2.0 | Firmware TPM |
| BIOS / UEFI Password Support | Yes | Yes |
| Drive Password Support | Yes | Yes |
| Secure Boot | Yes | Yes |
| Enterprise Manageability | Dell business BIOS/UEFI manageability | — |
| Smart Card Support | No | — |
| BIOS Recovery / Self-Healing | Dell BIOS recovery and management features | Standard BIOS recovery |
| Sensors | ||
| Accelerometer | — | Yes |
| Gyroscope | — | Yes |
| Hall Sensor | — | Yes |
| Certifications & Sustainability | ||
| ENERGY STAR | Not claimed | — |
| EPEAT | Not claimed | — |
| TCO Certified | Not claimed | — |
| RoHS Compliance | Yes | Yes |
| Recycled Materials | Not claimed | — |
| Environment & Warranty | ||
| Operating Temperature | 5 to 35 °C | 5–35 °C °C |
| Operating Humidity | 10 to 90 (non-condensing) % RH | 20–80% RH, non-condensing % RH |
| Storage Temperature | -20 to 60 °C | -20–60 °C °C |
| Warranty | 1 years | 1 years |
| Warranty Type | Limited hardware warranty; region dependent | Limited warranty |
Precision 3520 and Spin SP111-31 share specifications such as Display Resolution (1920 x 1080), Operating System (Windows 10), Operating System Architecture (64-bit), Processor Manufacturer (Intel).
The main differences: Processor Model (Precision 3520: Intel Core i7-6820HQ, Spin SP111-31: Intel Celeron Dual Core N3350 2.0GHz); GPU Model (Precision 3520: NVIDIA Quadro M620, Spin SP111-31: Intel HD Graphics 500); Installed Memory (Precision 3520: 16 GB, Spin SP111-31: 4 GB); Storage Capacity (Precision 3520: 256 GB, Spin SP111-31: 32 GB).
Precision 3520 may suit users who need its differing values, while Spin SP111-31 benefits those who need its paired strengths. Review the specs table above before deciding.
