Dell Inspiron 15 3511 vs. HP 255 G9 Notebook

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Dell Inspiron 15 3511 and HP 255 G9 Notebook. With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

Dell Inspiron 15 3511 Review

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

HP 255 G9 Notebook Review

Advantages and disadvantages of HP 255 G9 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

solid build quality

decent battery life

adequate port selection

includes numeric keypad

average display quality

modest processor performance

limited graphics capabilities

no backlit keyboard

Laptop Comparison and Tests

Difference between Dell Inspiron 15 3511 and HP 255 G9 Notebook
75 % - Design
66 % - Display
65 % - Performance
73 % - Connectivity
75 % - Battery
74 % - Design
66 % - Display
75 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Dell Inspiron 15 3511 vs. HP 255 G9 Notebook Comparison Chart
DESIGN AND DIMENSIONS Dell Inspiron 15 3511 HP 255 G9 Notebook
Product Type Notebook Notebook
Dimensions (WxDxH) 35.85 cm x 23.556 cm x 1.89 cm 35.8 cm x 24.2 cm x 1.99 cm
Weight 1.73 kg 1.74 kg
Colour Carbon black -
DISPLAY Dell Inspiron 15 3511 HP 255 G9 Notebook
Screen Size (Type) 15.6" 15.6" - IPS
LCD Backlight Technology LED backlight WLED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Pixel Density (ppi) 141 -
V-Sync Rate at Max Res. 60 Hz 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 -
Image Brightness 220 cd/m² 250 cd/m²
Colour Gamut 45% NTSC 45% NTSC
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 Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, Micro Edge, narrow-bezel design
PROCESSOR Dell Inspiron 15 3511 HP 255 G9 Notebook
CPU Intel Core i3 (11th Gen) 1115G4 / 3 GHz AMD Ryzen 5 5625U / 2.3 GHz
Max Turbo Speed 4.1 GHz 4.3 GHz
Number of Cores Dual-Core 6-core
Cache 6 MB L3 - 16 MB
Features Intel Turbo Boost Technology 2.0, Intel Smart Cache -
MEMORY Dell Inspiron 15 3511 HP 255 G9 Notebook
RAM 4 GB (1 x 4 GB) 8 GB (1 x 8 GB (non customer accessible / upgradeable))
Max RAM Supported 16 GB 32 GB
RAM Type DDR4 SDRAM DDR4 SDRAM - non-ECC
Speed 2666 MHz 3200 MHz
Rated Speed 2666 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 2
Empty Slots 1 1
STORAGE Dell Inspiron 15 3511 HP 255 G9 Notebook
Main Storage Size (HDD/SSD) 128 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe), HP Value
AUDIO & VIDEO Dell Inspiron 15 3511 HP 255 G9 Notebook
Graphics Processor (GPU) Intel UHD Graphics AMD Radeon Graphics
Video System Features - AMD FreeSync
Camera Yes - HD Yes - HD
Resolution 0.92 Megapixel -
Camera Features 78.6 degrees, RGB camera Temporal Noise Reduction
Image Sensor Type CMOS -
Video Resolutions 1280 x 720 720p
Frame Rate 30 frames per second -
Sound Stereo speakers, microphone Dual stereo speakers, dual array microphone
Codec - Realtek ALC3247
Compliant Standards High Definition Audio -
COMMUNICATIONS Dell Inspiron 15 3511 HP 255 G9 Notebook
Wireless Bluetooth, 802.11a/b/g/n/ac 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller M.2 2230 Realtek RTL8852BE - PCI Express Mini Card (M.2)
Network Interface - Gigabit Ethernet
Bluetooth Class - Class 2
Compliant Standards - IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED
Remote Management Protocol - SNMP 2
Features - Miracast, Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO
BATTERY Dell Inspiron 15 3511 HP 255 G9 Notebook
Technology 3-cell lithium polymer 3-cell lithium polymer
Battery Capacity (Size) 41 Wh 41 Wh
Battery Life - Up to 10.25 hours
AC ADAPTER Dell Inspiron 15 3511 HP 255 G9 Notebook
Input AC 100-240 V (50/60 Hz) AC 115/230 V (50 - 60 Hz)
Output 65 Watt, 19.5 V, 3.34 A 45 Watt, 19.5 V, 8 A
INPUT Dell Inspiron 15 3511 HP 255 G9 Notebook
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes Yes
Features - Multi-touch touchpad, gesture function, precision touchpad, PTP certified touchpad
CONNECTIONS & EXPANSIONS Dell Inspiron 15 3511 HP 255 G9 Notebook
Interfaces HDMI
USB 2.0
2 x USB 3.2 Gen 1
Headphone/microphone combo jack
Headphone/microphone combo jack
USB-C 3.2 Gen 1
HDMI
LAN
2 x USB 3.2 Gen 1
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) Yes (SD Card, SDHC Card, SDXC Card)
SOFTWARE Dell Inspiron 15 3511 HP 255 G9 Notebook
Operating System (OS) Windows 10 Home 64-bit Edition in S mode Windows 11 Home - English
Software Included Microsoft Office (30 days trial, excludes office licence) HP Support Assistant, Dropbox, McAfee (30 days trial), HP Audio Switch, HP PC Hardware Diagnostics, HP Connection Optimizer, HP Privacy Settings, ExpressVPN (30 days trial), HP QuickDrop, HP Smart App, myHP, Touchpoint Customiser for Commercial, LastPass password manager (30 days trial), HP Smart Health (free download)
MISCELLANEOUS Dell Inspiron 15 3511 HP 255 G9 Notebook
Included Accessories Power adapter HP 45 Watt Smart nPFC AC Adapter
Security - Trusted Platform Module (TPM 2.0) Security Chip
Features - HP Fast Charge
Compliant Standards - UL, VCCI, BSMI, SABS, CCC, FCC, A-Tick, ICES, KC, EAC, CU, ICCP
ENERGY STAR Certified Yes Yes
Max Operating Temperature 40 °C 35 °C
Min Operating Temperature 0 °C 5 °C
Humidity Range Operating 10 - 90% (non-condensing) 10 - 90%
Manufacturer Warranty - Limited warranty - parts and labour - 1 year
Limited warranty - battery - 1 year
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