In depth comparison and review of Dell Inspiron 15 3511 and Acer ConceptD 7 (CN715-71). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of Dell Inspiron 15 3511 based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
decent battery life
solid build quality
intuitive touchpad
average display quality
modest processor speed
limited graphics performance
fewer USB-C ports
Advantages and disadvantages of Acer ConceptD 7 (CN715-71) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful i7 processor
4K UHD display
accurate color reproduction
ample storage capacity
robust design
heavy build
high price point
average battery life
limited port selection
| DESIGN AND DIMENSIONS | Dell Inspiron 15 3511 | Acer ConceptD 7 (CN715-71) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.85 cm x 23.556 cm x 1.89 cm | 35.85 cm x 25.5 cm x 1.79 cm |
| Weight | 1.73 kg | 2.1 kg |
| Colour | Carbon black | White |
| DISPLAY | Dell Inspiron 15 3511 | Acer ConceptD 7 (CN715-71) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2160 (Ultra HD 4K) |
| Pixel Density (ppi) | 141 | - |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 220 cd/m² | 400 cd/m² |
| Colour Gamut | 45% NTSC | 100% Adobe RGB |
| Features | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, Narrow Border Display, 35 ms response rate, 0.179 mm pixel pitch | Anti-glare, ComfyView, 30 ms response rate, Narrow Border Display, Delta E<2 calibration, Pantone Validated |
| PROCESSOR | Dell Inspiron 15 3511 | Acer ConceptD 7 (CN715-71) |
|---|
| CPU | Intel Core i3 (11th Gen) 1115G4 / 3 GHz | Intel Core i7 (9th Gen) 9750H / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 4.5 GHz |
| Number of Cores | Dual-Core | 6-core |
| Cache | 6 MB | L3 - 12 MB |
| 64-bit Computing | - | Yes |
| Chipset | - | Mobile Intel HM370 |
| Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | Intel Turbo Boost Technology 2.0 |
| MEMORY | Dell Inspiron 15 3511 | Acer ConceptD 7 (CN715-71) |
|---|
| RAM | 4 GB (1 x 4 GB) | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | 16 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | - |
| Rated Speed | 2666 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 0 |
| STORAGE | Dell Inspiron 15 3511 | Acer ConceptD 7 (CN715-71) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) - SanDisk |
|---|
| AUDIO & VIDEO | Dell Inspiron 15 3511 | Acer ConceptD 7 (CN715-71) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce RTX 2080 |
|---|---|---|
| Video Memory | - | 8 GB GDDR6 SDRAM |
| Camera | Yes - HD | Yes - HD |
| Resolution | 0.92 Megapixel | - |
| Camera Features | 78.6 degrees, RGB camera | - |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, microphone | Stereo speakers, two microphones |
| Compliant Standards | High Definition Audio | - |
| Audio Features | - | MaxxAudio, MaxxBass, MaxxDialog |
| COMMUNICATIONS | Dell Inspiron 15 3511 | Acer ConceptD 7 (CN715-71) |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | M.2 2230 | Killer Wireless-AC 1550i - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Killer E3000 |
| Features | - | Killer DoubleShot Pro Technology |
| BATTERY | Dell Inspiron 15 3511 | Acer ConceptD 7 (CN715-71) |
|---|
| Technology | 3-cell lithium polymer | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 41 Wh | 84 Wh |
| Battery Life | - | Up to 8 hours |
| AC ADAPTER | Dell Inspiron 15 3511 | Acer ConceptD 7 (CN715-71) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19.5 V, 3.34 A | 180 Watt, 19.5 V |
| INPUT | Dell Inspiron 15 3511 | Acer ConceptD 7 (CN715-71) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | - | Yes |
| Features | - | Multi-gesture touch pad, precision touchpad |
| CONNECTIONS & EXPANSIONS | Dell Inspiron 15 3511 | Acer ConceptD 7 (CN715-71) |
|---|
| Interfaces | HDMI USB 2.0 2 x USB 3.2 Gen 1 Headphone/microphone combo jack |
HDMI Mini DisplayPort LAN USB 3.0 (with power off charging) USB-C 3.1 Gen 2 (supports Thunderbolt 3) Microphone input Headphone output 2 x USB-C 3.1 Gen 1 |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | - |
| SOFTWARE | Dell Inspiron 15 3511 | Acer ConceptD 7 (CN715-71) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Pro 64-bit Edition |
|---|---|---|
| Software Included | Microsoft Office (30 days trial, excludes office licence) | - |
| MISCELLANEOUS | Dell Inspiron 15 3511 | Acer ConceptD 7 (CN715-71) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | - | Power capacity indicator, battery life Indicator, AeroBlade fan |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | 40 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | - | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | - | 70FF |
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