HP ProBook 640 G1 vs. Acer Extensa 15 (EX215-51K)

Laptop Comparison, Reviews and Tests

In depth comparison and review of HP ProBook 640 G1 and Acer Extensa 15 (EX215-51K). 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.

HP ProBook 640 G1 Review

Advantages and disadvantages of HP ProBook 640 G1 based on its technical characteristics, features, user experience, expert reviews and price level.

durable build quality

efficient business features

good keyboard layout

decent processor performance

affordable price point

average battery life

heavier design

limited graphics capability

outdated aesthetics

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 ProBook 640 G1 and Acer Extensa 15 (EX215-51K)
75 % - Design
64 % - Display
65 % - Performance
73 % - Connectivity
65 % - Battery
74 % - Design
64 % - Display
65 % - Performance
71 % - Connectivity
72 % - Battery

Laptop Specifications Comparison

HP ProBook 640 G1 vs. Acer Extensa 15 (EX215-51K) Comparison Chart
DESIGN AND DIMENSIONS HP ProBook 640 G1 Acer Extensa 15 (EX215-51K)
Product Type Notebook Notebook
Dimensions (WxDxH) 34 cm x 23.7 cm x 2.9 cm 36.34 cm x 25.05 cm x 1.99 cm
Weight 2.13 kg 1.9 kg
Case Material Polycarbonate ABS -
Colour - Shale black
DISPLAY HP ProBook 640 G1 Acer Extensa 15 (EX215-51K)
Screen Size (Type) 14" - TN 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 200 cd/m² 220 cd/m²
Features HD standard-viewing angle (SVA) eDP anti-glare Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display
PROCESSOR HP ProBook 640 G1 Acer Extensa 15 (EX215-51K)
CPU Intel Core i5 (4th Gen) 4300M / 2.6 GHz Intel Core i3 (8th Gen) 8130U / 2.2 GHz
Max Turbo Speed 3.3 GHz 3.4 GHz
Number of Cores Dual-Core Dual-Core
Cache 3 MB 4 MB
64-bit Computing Yes Yes
Features Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache Intel Turbo Boost Technology 2.0
MEMORY HP ProBook 640 G1 Acer Extensa 15 (EX215-51K)
RAM 4 GB 4 GB (4 GB (soldered))
Max RAM Supported 16 GB 12 GB
RAM Type DDR3L SDRAM DDR4 SDRAM
Speed 1600 MHz / PC3L-12800 -
Rated Speed 1600 MHz -
Form Factor SO-DIMM 204-pin SO-DIMM 260-pin
Slots Qty 2 1
Empty Slots - 1
STORAGE HP ProBook 640 G1 Acer Extensa 15 (EX215-51K)
Main Storage Size (HDD/SSD) 120 GB SSD 256 GB SSD - Kingston
Optical Drive DVD-Writer -
AUDIO & VIDEO HP ProBook 640 G1 Acer Extensa 15 (EX215-51K)
Graphics Processor (GPU) Intel HD Graphics 4600 Intel UHD Graphics 620
Memory Allocation Technology - Shared Video Memory (UMA)
Camera Yes - 720p Yes - VGA
Resolution - 0.3 Megapixel
Camera Features Low light enhancement -
Video Resolutions 1280 x 720 -
Frame Rate 30 frames per second -
Sound Stereo speakers, dual array microphone Stereo speakers, microphone
Codec IDT 92HD91 -
Compliant Standards High Definition Audio, DTS SOUND+ -
COMMUNICATIONS HP ProBook 640 G1 Acer Extensa 15 (EX215-51K)
Wireless Wi-Fi Bluetooth, 802.11a/b/g/n/ac
Network Interface Gigabit Ethernet Gigabit Ethernet
Features - Wake-on-LAN (WOL)
BATTERY HP ProBook 640 G1 Acer Extensa 15 (EX215-51K)
Technology Lithium Ion 2-cell Lithium Ion
Battery Capacity (Size) - 36 Wh
Battery Life - Up to 9 hours
AC ADAPTER HP ProBook 640 G1 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 ProBook 640 G1 Acer Extensa 15 (EX215-51K)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Features Spill-resistant, touchpad with gesture support Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad
CONNECTIONS & EXPANSIONS HP ProBook 640 G1 Acer Extensa 15 (EX215-51K)
Interfaces 3 x USB 3.0
DisplayPort
VGA
Headphone/microphone combo jack
LAN
Dock
USB 3.0 (charging)
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 ProBook 640 G1 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 ProBook 640 G1 Acer Extensa 15 (EX215-51K)
Dockable Yes -
Included Accessories Power adapter Power adapter
Security Trusted Platform Module (TPM 1.2) 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 Administrator password, hard drive password, power-on password MU-MIMO technology
Compliant Standards ISO 9001, ISO 14001, ISO 27001 -
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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