Two devices. One clear decision.

PERFORMANCE3 fields

Specification	Inspiron 15 5570 (2018)	Vostro 15 3510 (2021)
Memory Bandwidth	About 38 GB/s (dual-channel DDR4-2400) (speed at which data moves between chip and memory)	About 42.7 GB/s (dual-channel DDR4-2666) (speed at which data moves between chip and memory)
Neural Engine	None (no dedicated NPU)	None (no dedicated NPU)
Processor	Intel Core i5-8250U (Kaby Lake Refresh, 15 W) CPU: 4-core / 8-thread, up to 3.4 GHz; Core i3-8130U or i7-8550U options (balances power and battery efficiency) GPU: Intel UHD Graphics 620; optional AMD Radeon 530 4 GB (handles graphics and creative workloads)	Intel Core i5-1135G7 (Tiger Lake, 15 W) CPU: 4-core / 8-thread, up to 4.2 GHz; Core i3-1115G4 or i7-1165G7 options (balances power and battery efficiency) GPU: Intel Iris Xe / UHD Graphics; optional NVIDIA GeForce MX350 2 GB (handles graphics and creative workloads)

LAUNCH DATE3 fields

Specification	Inspiron 15 5570 (2018)	Vostro 15 3510 (2021)
Announced	Announcement date not recorded	Announcement date not recorded
Released	January 2018	April 2021
Status	Discontinued (2019)	Discontinued (2022)

DISPLAY6 fields

Specification	Inspiron 15 5570 (2018)	Vostro 15 3510 (2021)
Brightness	Up to 220 nits typical	Up to 220 nits typical (250 nits FHD)
Color	Standard 45% NTSC color	Standard 45% NTSC color
Refresh Rate	Standard 60 Hz (screen refresh speed)	Standard 60 Hz (screen refresh speed)
Resolution	1366 × 768 or 1920 × 1080 pixels (total screen pixel count)	1366 × 768 or 1920 × 1080 pixels (total screen pixel count)
Size	15.6-inch (Diagonal)	15.6-inch (Diagonal)
Type	Anti-glare LED display; TN (HD) or IPS (FHD) options (everyday panel)	Anti-glare display; HD TN or FHD WVA options (small-business panel)

ADDITIONAL INFORMATION2 fields

Specification	Inspiron 15 5570 (2018)	Vostro 15 3510 (2021)
Launch Price (USD)	$549.00 (reference only — see Price in Nigeria above for the actual retail price)	$549.00 (reference only — see Price in Nigeria above for the actual retail price)
Price in Nigeria	₦769,000 (Stored estimate)	₦769,000 (Stored estimate)

OVERVIEW5 fields

Specification	Inspiron 15 5570 (2018)	Vostro 15 3510 (2021)
Chip	Intel Core i5-8250U (quad-core, up to 3.4 GHz) with Intel UHD Graphics 620; Core i7-8550U with AMD Radeon 530 4 GB option (handles all processing and graphics tasks)	Intel Core i5-1135G7 (quad-core, up to 4.2 GHz) with Intel Iris Xe Graphics; Core i3-1115G4 or i7-1165G7 with NVIDIA GeForce MX350 option (handles all processing and graphics tasks)
Manufacturer	Dell	Dell
Model	Dell Inspiron 15 5570 (2018)	Dell Vostro 15 3510 (2021)
Operating System	Windows 10 Home	Windows 10 Pro or Home; Windows 11 on later units
Release Year	2018	2021

BODY AND BUILD3 fields

Specification	Inspiron 15 5570 (2018)	Vostro 15 3510 (2021)
Colors	Platinum Silver, Licorice Black or Burgundy (official factory color options)	Carbon Black or Titan Grey (official factory color options)
Material	Aluminum lid with polycarbonate base (light metal-and-plastic build)	Polycarbonate chassis (durable everyday build)
Weight	2.2 kg (varies by configuration)	1.85 kg (varies by configuration)

MEMORY AND STORAGE3 fields

Specification	Inspiron 15 5570 (2018)	Vostro 15 3510 (2021)
RAM	Standard: 8 GB DDR4 2400 MHz (two SO-DIMM slots, upgradeable to 32 GB) (higher multitasking capability)	Standard: 8 GB DDR4 2666 MHz (two SO-DIMM slots, upgradeable to 16 GB) (higher multitasking capability)
Storage	Options: 1 TB HDD, 256 GB SSD, or 128 GB SSD + 1 TB HDD; DVD drive (varies by model) (internal file and app storage)	Options: 256 GB / 512 GB SSD, or 1 TB HDD (varies by model) (internal file and app storage)
Storage Type	SSD (PCIe NVMe M.2) (fast solid-state storage technology)	SSD (PCIe NVMe M.2) (fast solid-state storage technology)

PORTS AND CONNECTIVITY1 field

Specification	Inspiron 15 5570 (2018)	Vostro 15 3510 (2021)
Ports and connectivity	1 × USB 2.0 + 2 × USB 3.1 (USB-A), 1 × USB-C 3.1, HDMI 1.4, SD card reader, Gigabit Ethernet, 3.5 mm headset jack, DVD-RW drive, Wi-Fi 5 (802.11ac), Bluetooth 4.1.	1 × USB 2.0 + 2 × USB 3.2 (USB-A), HDMI 1.4, SD card reader, Gigabit Ethernet, 3.5 mm headset jack, Wi-Fi 5 (802.11ac), Bluetooth 4.1.

BATTERY AND CHARGING3 fields

Specification	Inspiron 15 5570 (2018)	Vostro 15 3510 (2021)
Battery Life	42 Wh battery; Dell does not publish a single figure — typical mixed use around 5–6 hours (manufacturer endurance figure)	41 Wh battery; Dell does not publish a single figure — typical mixed use around 5–6 hours (manufacturer endurance figure)
Battery Type	Built-in lithium-ion polymer battery (non-removable internal battery)	Built-in lithium-ion polymer battery (non-removable internal battery)
Charging	45 W or 65 W barrel charger (supported charging methods)	45 W or 65 W barrel charger (supported charging methods)

AUDIO AND WEBCAM3 fields

Specification	Inspiron 15 5570 (2018)	Vostro 15 3510 (2021)
Microphones	Dual-array microphones (improves voice clarity and noise reduction)	Dual-array microphones (improves voice clarity and noise reduction)
Speakers	Stereo speakers with Waves MaxxAudio Pro (enhanced audio output for media)	Stereo speakers with Waves MaxxAudio Pro (enhanced audio output for media)
Webcam	720p HD webcam (standard video-call quality)	720p HD webcam (standard video-call quality)

SOFTWARE AND EXTRAS4 fields

Specification	Inspiron 15 5570 (2018)	Vostro 15 3510 (2021)
Keyboard	Backlit keyboard (illuminated keys for low-light use)	Non-backlit keyboard, optional backlit (standard keys)
Operating System	Windows (latest supported version) (preinstalled Microsoft software platform)	Windows (latest supported version) (preinstalled Microsoft software platform)
Security	Optional fingerprint reader in the power button, TPM 2.0 (biometric authentication method)	Optional fingerprint reader in the power button, TPM 2.0 (biometric authentication method)
Trackpad	Precision glass touchpad (navigation surface)	Precision glass touchpad (navigation surface)