HP EliteBook 840 G4 vs. Acer Extensa 15 (EX215-51K)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of HP EliteBook 840 G4 and Acer Extensa 15 (EX215-51K). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

HP EliteBook 840 G4 Review

Advantages and disadvantages of HP EliteBook 840 G4 based on its technical characteristics, features, user experience, expert reviews and price level.

robust security features

solid build quality

comfortable keyboard

good battery life

decent performance

average display quality

no touchscreen option

limited graphics power

heavier design

Acer Extensa 15 (EX215-51K) Review

Advantages and disadvantages of Acer Extensa 15 (EX215-51K) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

solid build quality

decent battery life

adequate performance

lightweight design

average display resolution

limited storage capacity

no backlit keyboard

basic graphics card

Laptop Comparison and Tests

Difference between HP EliteBook 840 G4 and Acer Extensa 15 (EX215-51K)
85 % - Design
72 % - Display
72 % - Performance
85 % - Connectivity
74 % - Battery
74 % - Design
64 % - Display
65 % - Performance
71 % - Connectivity
72 % - Battery

Laptop Specifications Comparison

HP EliteBook 840 G4 vs. Acer Extensa 15 (EX215-51K) Comparison Chart
DESIGN AND DIMENSIONS HP EliteBook 840 G4 Acer Extensa 15 (EX215-51K)
Product Type Notebook Notebook
Dimensions (WxDxH) 33.8 cm x 23.7 cm x 1.89 cm 36.34 cm x 25.05 cm x 1.99 cm
Weight 1.48 kg 1.9 kg
Case Material Aluminum, magnesium alloy -
Colour - Shale black
DISPLAY HP EliteBook 840 G4 Acer Extensa 15 (EX215-51K)
Screen Size (Type) 14" - IPS 15.6"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1366 x 768 (HD) 1366 x 768 (HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 220 cd/m²
Features Slim Design, Full HD ultra wide-viewing angle (UWVA) eDP anti-glare Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display
PROCESSOR HP EliteBook 840 G4 Acer Extensa 15 (EX215-51K)
CPU Intel Core i5 (7th Gen) 7200U / 2.5 GHz Intel Core i3 (8th Gen) 8130U / 2.2 GHz
Max Turbo Speed 3.1 GHz 3.4 GHz
Number of Cores Dual-Core Dual-Core
Cache 3 MB 4 MB
64-bit Computing Yes Yes
Features Intel Turbo Boost Technology 2.0 Intel Turbo Boost Technology 2.0
MEMORY HP EliteBook 840 G4 Acer Extensa 15 (EX215-51K)
RAM 8 GB 4 GB (4 GB (soldered))
Max RAM Supported 32 GB 12 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 1
Empty Slots - 1
STORAGE HP EliteBook 840 G4 Acer Extensa 15 (EX215-51K)
Main Storage Size (HDD/SSD) 256 GB SSD 256 GB SSD - Kingston
AUDIO & VIDEO HP EliteBook 840 G4 Acer Extensa 15 (EX215-51K)
Graphics Processor (GPU) Intel HD Graphics 620 Intel UHD Graphics 620
Memory Allocation Technology - Shared Video Memory (UMA)
Camera Yes - 720p Yes - VGA
Resolution - 0.3 Megapixel
Sound Stereo speakers, two microphones Stereo speakers, microphone
Audio Features Noise-cancellation technology, Bang & Olufsen Audio, HP Audio Boost -
COMMUNICATIONS HP EliteBook 840 G4 Acer Extensa 15 (EX215-51K)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 Bluetooth, 802.11a/b/g/n/ac
Network Interface Gigabit Ethernet Gigabit Ethernet
Features - Wake-on-LAN (WOL)
BATTERY HP EliteBook 840 G4 Acer Extensa 15 (EX215-51K)
Technology Lithium polymer 2-cell Lithium Ion
Battery Capacity (Size) - 36 Wh
Battery Life - Up to 9 hours
AC ADAPTER HP EliteBook 840 G4 Acer Extensa 15 (EX215-51K)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output - 45 Watt, 19 V
INPUT HP EliteBook 840 G4 Acer Extensa 15 (EX215-51K)
Type Keyboard, touchpad, pointing stick Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes -
Features Touchpad with gesture support Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad
CONNECTIONS & EXPANSIONS HP EliteBook 840 G4 Acer Extensa 15 (EX215-51K)
Slots 1 x SIM card (1 free) -
Interfaces USB 3.1 Gen 1
USB 3.1 Gen 1 (charging)
USB-C
DisplayPort
VGA
LAN
Dock
Headphone/microphone combo jack
HDMI
USB 3.1 Gen 1
2 x USB 2.0
LAN
Headphone/microphone combo jack
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) -
SOFTWARE HP EliteBook 840 G4 Acer Extensa 15 (EX215-51K)
Operating System (OS) Windows 10 Home 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) Windows 10 Home 64-bit Edition
MISCELLANEOUS HP EliteBook 840 G4 Acer Extensa 15 (EX215-51K)
Dockable Yes -
Included Accessories Power adapter Power adapter
Security Trusted Platform Module (TPM 2.0) Security Chip -
Security Slot Type Kensington security slot Kensington security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features HP 3D DriveGuard, Automatic DriveLock, HP DriveLock, Power On Authentication, Pre-boot Authentication, HP Sure Start Gen 3, Master Boot Record Security MU-MIMO technology
Compliant Standards ISO 9001, ISO 14001, ISO 27001 -
ENERGY STAR Certified Yes -
Max Operating Temperature 35 °C -
Min Operating Temperature 0 °C -
Humidity Range Operating 10 - 90% (non-condensing) -
Manufacturer Warranty Limited warranty - 2 years - pick-up and return Limited warranty - 1 year - carry-in
International travellers warranty - 1 year
Model Number - 30FY
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