HP ProBook 640 G1 vs. Lenovo ThinkPad P51

Laptop Comparison, Reviews and Tests

In depth comparison and review of HP ProBook 640 G1 and Lenovo ThinkPad P51. 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outdated aesthetics

Lenovo ThinkPad P51 Review

Advantages and disadvantages of Lenovo ThinkPad P51 based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

powerful processor performance

high-resolution display

good connectivity options

heavy and bulky

expensive price point

moderate battery life

noisy under load

Laptop Comparison and Tests

Difference between HP ProBook 640 G1 and Lenovo ThinkPad P51
75 % - Design
64 % - Display
65 % - Performance
73 % - Connectivity
65 % - Battery
82 % - Design
72 % - Display
84 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

HP ProBook 640 G1 vs. Lenovo ThinkPad P51 Comparison Chart
DESIGN AND DIMENSIONS HP ProBook 640 G1 Lenovo ThinkPad P51
Product Type Notebook Notebook
Dimensions (WxDxH) 34 cm x 23.7 cm x 2.9 cm 37.74 cm x 25.23 cm x 2.94 cm
Weight 2.13 kg 2.67 kg
Case Material Polycarbonate ABS Glass-fibre reinforced plastic, magnesium-aluminum alloy
Colour - Black
DISPLAY HP ProBook 640 G1 Lenovo ThinkPad P51
Screen Size (Type) 14" - TN 15.6" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1366 x 768 (HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 200 cd/m² 250 cd/m²
Features HD standard-viewing angle (SVA) eDP anti-glare Anti-glare
PROCESSOR HP ProBook 640 G1 Lenovo ThinkPad P51
CPU Intel Core i5 (4th Gen) 4300M / 2.6 GHz Intel Xeon E3-1505MV6 / 3 GHz
Max Turbo Speed 3.3 GHz 4 GHz
Number of Cores Dual-Core Quad-Core
Cache 3 MB 8 MB
64-bit Computing Yes Yes
Chipset - Mobile Intel CM238
Platform Technology - Intel vPro Platform
Features Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0
MEMORY HP ProBook 640 G1 Lenovo ThinkPad P51
RAM 4 GB 16 GB
Max RAM Supported 16 GB 64 GB
RAM Type DDR3L SDRAM DDR4 SDRAM
Speed 1600 MHz / PC3L-12800 2400 MHz
Rated Speed 1600 MHz -
Form Factor SO-DIMM 204-pin SO-DIMM 260-pin
Slots Qty 2 4
STORAGE HP ProBook 640 G1 Lenovo ThinkPad P51
Main Storage Size (HDD/SSD) 120 GB SSD 512 GB SSD
Optical Drive DVD-Writer -
AUDIO & VIDEO HP ProBook 640 G1 Lenovo ThinkPad P51
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) Intel HD Graphics 4600 NVIDIA Quadro M2200 / Intel HD Graphics P630
Video Memory - 4 GB
Camera Yes - 720p Yes - 720p
Camera Features Low light enhancement -
Video Resolutions 1280 x 720 -
Frame Rate 30 frames per second -
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec IDT 92HD91 Realtek ALC3268
Compliant Standards High Definition Audio, DTS SOUND+ High Definition Audio
COMMUNICATIONS HP ProBook 640 G1 Lenovo ThinkPad P51
Wireless Wi-Fi 802.11a/b/g/n/ac, Bluetooth 4.1
Network Interface Gigabit Ethernet Gigabit Ethernet
BATTERY HP ProBook 640 G1 Lenovo ThinkPad P51
Technology Lithium Ion Lithium Ion
AC ADAPTER HP ProBook 640 G1 Lenovo ThinkPad P51
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output - 170 Watt
INPUT HP ProBook 640 G1 Lenovo ThinkPad P51
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad - Yes
Features Spill-resistant, touchpad with gesture support Spill-resistant, multi-touch touchpad
CONNECTIONS & EXPANSIONS HP ProBook 640 G1 Lenovo ThinkPad P51
Slots - 1 x ExpressCard/34 (1 free)
Interfaces 3 x USB 3.0
DisplayPort
VGA
Headphone/microphone combo jack
LAN
Dock
USB 3.0 (charging)
USB 3.1 Gen 1/USB 3.0 (Always On)
3 x USB 3.1 Gen 1/USB 3.0
USB-C (supports Thunderbolt 3)
Mini DisplayPort
HDMI
LAN
Dock
Headphone/microphone combo jack
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE HP ProBook 640 G1 Lenovo ThinkPad P51
Operating System (OS) Windows 10 Home 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR))
MISCELLANEOUS HP ProBook 640 G1 Lenovo ThinkPad P51
Dockable Yes Yes
Included Accessories Power adapter Power adapter
Security Trusted Platform Module (TPM 1.2) Security Chip 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 Administrator password, hard drive password, power-on password Administrator password, hard drive password, power-on password, Intel Active Management Technology (iAMT), MIL-STD-810G tested
Compliant Standards ISO 9001, ISO 14001, ISO 27001 ISO 9001, ISO 14001, ISO 27001
ENERGY STAR Certified - Yes
Manufacturer Warranty Limited warranty - 2 years - pick-up and return Limited warranty - 2 years - pick-up and return
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