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HP EliteBook 640 G9 vs HP EliteBook 840 G9 Comparison

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HP EliteBook 640 G9

14 inches | January 2022

HP EliteBook 640 G9
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HP EliteBook 840 G9

14 inches | January 2022

HP EliteBook 840 G9
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HP EliteBook 640 G9 vs HP EliteBook 840 G9 Comparison Overview
HP EliteBook 640 G9 HP EliteBook 640 G9
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HP EliteBook 840 G9 HP EliteBook 840 G9
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HP EliteBook 640 G9
See at AMAZON
HP EliteBook 840 G9
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In this review, we will be comparing EliteBook 640 G9 and EliteBook 840 G9, two laptops by HP. HP EliteBook 640 G9 was introduced to market in January 2022 and HP EliteBook 840 G9 was launched in January 2022. Both EliteBook 640 G9 and EliteBook 840 G9 were launched within the same month so we are expecting this to be a fair comparison regarding age and available technology level.

Click for Available Configurations of the Laptops

HP EliteBook 640 G9

CPU:
RAM:
DISPLAY:

HP EliteBook 840 G9

CPU:
RAM:
DISPLAY:

EliteBook 640 G9 and EliteBook 840 G9 are members of HP's EliteBook series of laptops. Below you can find the latest models from this series.

HP EliteBook Series History
Model Release Date Screen Size Dimensions Weight
HP EliteBook 840 G10
  
May 2023 14.0" 315.46 x 244.02 x 19.3 mm 1.36 kg (3 lbs)
HP EliteBook 860 G10
  
May 2023 16.0" 358.64 x 250.95 x 19.3 mm 1.72 kg (3.79 lbs)
HP EliteBook 830 G10
  
May 2023 13.3" 299.97 x 214.88 x 19.3 mm 1.26 kg (2.78 lbs)
HP EliteBook 650 G10
  
March 2023 15.6" 359.15 x 233.68 x 19.81 mm 1.78 kg (3.92 lbs)
HP EliteBook 640 G10
  
March 2023 14.0" 321.81 x 213.86 x 19.81 mm 1.41 kg (3.11 lbs)
HP EliteBook 630 G10
  
March 2023 13.3" 306.9 x 208.4 x 15.9 mm 1.22 kg (2.69 lbs)
HP EliteBook 845 G9
  
January 2022 14.0" 315.6 x 224 x 19.2 mm 1.4 kg (3.09 lbs)
HP EliteBook 860 G9
  
January 2022 16.0" 358.7 x 251 x 19.2 mm 1.76 kg (3.88 lbs)

Here is a brief look at the main features of HP EliteBook 640 G9 and HP EliteBook 840 G9 before getting into our more detailed comparison.

HP EliteBook 640 G9 Key Specs

  • Launched in January 2022
  • 14.0" IPS LCD, 16:9 Aspect Ratio Display
  • CPU: Intel Core i5 1235U
  • GPU: Intel Iris Xe Graphics G7 (80EU)
  • 8GB Ram
  • 321.9 x 213.9 x 19.9 mm (12.67 x 8.42 x 0.78 inches)
  • Weight: 1.37 kg (3.02 lbs)

HP EliteBook 840 G9 Key Specs

  • Launched in January 2022
  • 14.0" IPS LCD, 16:10 Aspect Ratio Display
  • CPU: Intel Core i5 1240P
  • GPU: Intel Iris Xe Graphics G7 (80EU)
  • 8GB Ram
  • 315.6 x 224 x 19.2 mm (12.43 x 8.82 x 0.76 inches)
  • Weight: 1.36 kg (3 lbs)

Let's read on the following sections in order to better understand in detail how EliteBook 640 G9 and EliteBook 840 G9 compares and decide which one is better for you.

**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Reasons to choose HP EliteBook 640 G9 over HP EliteBook 840 G9
Side Bezel Thickness
6 mm vs 7.1 mm 1.1mm thinner bezels
Number of USB-A Ports
3x USB 3.2 vs 2x USB 3.2 Connect more device at the same time
Avg. MSRP Price
$1200-1600 vs $2000-2400 Lower Price (*may change depending on config, seller, location, and time)
Reasons to choose HP EliteBook 840 G9 over HP EliteBook 640 G9
Weight
1.36 kg vs 1.37 kg 0.01 kg lighter
Screen-to-Body Ratio
~80.4% vs ~78.4% Larger screen area ratio
Screen PPI
162 ppi vs 157 ppi More pixels per inch
Screen Resolution
1920 x 1200 pixels vs 1920 x 1080 pixels Higher pixel count screen
RAM Type
DDR5 vs DDR4 Faster RAM TYpe
Number of USB-C Ports
2x USB 4.0 vs 1x USB 4.0 Connect more device at the same time

Common Strengths of HP EliteBook 640 G9 and HP EliteBook 840 G9
Launch Dates
January 2022 vs January 2022 Both laptops are recent models
Screen Coating
Matte vs Matte Less reflections on the screen
Fast Charging Support
Yes vs Yes Charge the battery in a shorter time
USB Power Delivery
Yes vs Yes Charging via USB port gives flexibility
Upgradable RAM
Yes vs Yes Option to increase the RAM size
RAM Type
PCI-E Gen 4.0 (4x) vs PCI-E Gen 4.0 (4x) Fast RAM type
Upgradable Storage
Yes vs Yes Option to increase the Storage size
SSD Type
NVMe vs NVMe Faster Data Transfers
Wi-Fi Standard
v6E vs v6E Fast and Reliable Wi-Fi Connections
Bluetooth Standard
v5.2 vs v5.2 Fast and Reliable BluetoothConnections
Thunderbolt Port
v4 vs v4 Fast data and power transfer via Thunderbolt Port
HDMI Output
1x HDMI 2.0 vs 1x HDMI 2.0 Connect to External Displays via HDMI cable
VGA Output
No vs No Connect to External Displays via VGA cable
Keyboard Backlight
Yes vs Yes Easily see the keys under low light
Common Weaknesses of HP EliteBook 640 G9 and HP EliteBook 840 G9
Touchscreen Capability
No vs No No Touchscreen Capability

HP EliteBook 640 G9 vs HP EliteBook 840 G9: Physical Specs Comparison

In this section, we will be comparing the physical specifications and body features of the HP EliteBook 640 G9 and the HP EliteBook 840 G9.

Physical Specs
Weight 1.37 kg (3.02 lbs) 1.36 kg (3 lbs)
Surface Area 689 cm2 (106.7 inches2) 707 cm2 (109.6 inches2)
Screen to Surface Ratio ~78.4% ~80.4%
Side Bezel Thickness ~6 mm ~7.1 mm
Weight per Inch of Screen 0.10 kg/inch 0.10 kg/inch
0.22 lbs/inch 0.22 lbs/inch
Colors Silver Silver
HP EliteBook 640 G9 vs HP EliteBook 840 G9 Laptop Size Comparison - Front View
Comparison of the HP EliteBook 640 G9 and the HP EliteBook 840 G9 External Dimensions

Weight
EliteBook 640 G9 weighs 1.37 kg (3.02 lbs), whereas the EliteBook 840 G9 weighs 1.36 kg (3 lbs).The weight difference between the two laptops is not significant.

Weight Comparison

Displays size 14.0-14.9 inches

HP EliteBook 640 G9
HP EliteBook 840 G9
Min
Average
Max
Thickness Comparison

Displays size 14.0-14.9 inches

HP EliteBook 640 G9
HP EliteBook 840 G9
Min
Average
Max

Another value that we use for comparing the weights of the laptops is the Weight per Inch of Screen, which is calculated by dividing the total weight of the model with its usable diagonal screen size. This value for the HP EliteBook 640 G9 is 0.10 kg/inch. In comparison, this value for the HP EliteBook 840 G9 is 0.10 kg/inch. Here are some of the best performing laptops in this area:

  • LG Gram SuperSlim 15.6 2023: 0.06 kg/inch
  • Microsoft Surface Pro 9: 0.07 kg/inch
  • LG Gram 14 2022: 0.07 kg/inch
  • LG Gram 14 2-in-1 2022: 0.07 kg/inch
  • LG Gram 14 2023: 0.07 kg/inch
  • Asus ExpertBook B9 OLED B9403: 0.07 kg/inch
  • LG Gram 15 2022: 0.07 kg/inch
  • LG Gram 16 2022: 0.07 kg/inch

HP EliteBook 640 G9 vs HP EliteBook 840 G9: Internals (CPU, GPU, RAM, Battery, SSD, etc.) Comparison
CPU Comparison
CPU Model











Base Frequency 1.3 GHz 1.7 GHz
Turbo Frequency 4.4 GHz 4.4 GHz
Number of Cores 10 12
Number of Threads 12 16
L3 Cache 12 MB 12 MB
Integrated GPU Intel Iris Xe Graphics (80EU) Intel Iris Xe Graphics (80EU)
CPU Fabrication Process 10 nm 10 nm
Geekbench 5 (Single) 1580 1593
Geekbench 5 (Multi) 6333 7956
Cinebench 23 (Single) 1654 1516
Cinebench 23 (Multi) 6618 9305

Above you can see the CPU options and the CineBench and GeekBenck test scores for both laptops, which gives an idea about what kind of performance difference you may experience between the HP EliteBook 640 G9 and HP EliteBook 840 G9.

GPU Comparison
GPU Model


Base Clock Frequency 300 MHz 300 MHz
Boost CLock Frequency 1100 MHz 1100 MHz
TGP (Total Graphics Power) 15 W 15 W
Type Integrated Integrated
FLOPS 1,408 GFLOPS 1,408 GFLOPS
Memory Size System Shared System Shared
Memory Type System Shared System Shared
Memory Bus System Shared System Shared
Memory Speed System Shared System Shared
Shading Units Cores 640 640
TMUs 40 40
ROPs 20 20

GPU is as critical as the CPU for graphic heavy applications and the table above gives a picture of how the two GPU compares. FLOPS is a measure of a GPU's performance based on the number of floating-point arithmetic calculations that the processor can perform within a second. HP EliteBook 640 G9 has a FLOPS value of 1.41 TFLOPS whereas the HP EliteBook 840 G9 has a FLOPS value of 1.41 TFLOPS.

RAM Comparison
RAM







Memory Bus 1x8 GB 1x8 GB
Clock 3200 MHz 4800 MHz
RAM Type DDR4 DDR5
Upgradable Yes Yes
Max RAM Size 64 GB 64 GB
Total Slots 2 2
Bus PCI-E Gen 4.0 (4x) PCI-E Gen 4.0 (4x)

Both laptops, the EliteBook 640 G9 and the EliteBook 840 G9, come with similar RAM capacities of 8 GB, providing comparable performance in memory-intensive tasks.

In addition to RAM capacity, the type of RAM can significantly impact performance, with newer RAM types often offering higher speeds compared to others. Therefore, selecting RAM types with the latest DDR number can be a suitable choice based on your requirements.

BATTERY
BATTERY

Replaceable Yes Yes
Fast Charging Yes Yes
Replaceable Yes Yes
USB Power Delivery Yes Yes
Charging Port Position Right Left
Charge Power 45 / 65 W 65 W
Cable Length 1 meters 1 meters

Furthermore, both laptops have the same battery capacity of 51 Wh, ensuring comparable battery performance.

Battery Comparison

Displays size 14.0-14.9 inches

HP EliteBook 640 G9
HP EliteBook 840 G9
Min
Average
Max

Storage
Both laptops, the EliteBook 640 G9 and the EliteBook 840 G9, have similar storage capacities of 256 GB, allowing for ample space to store files and applications.

Storage Options 256GB, 512GB, 1024GB 256GB, 512GB, 1024GB, 2048GB
Channels 1x256 GB 1x256 GB
Upgradable Yes Yes
Storage type SSD (M2) SSD (M2)
Upgradable Yes Yes

If your budget allows, we recommend opting for the largest possible disk size, considering the potential increase in storage capacity needs in the future. However, please keep in mind the question 'What will the laptop be used for?' when making this decision. Of course, you can later upgrade the hard disk capacity by getting a larger disk. However, if your laptop has only one disk slot, it may not be as straightforward as a RAM upgrade, where you simply add or replace a module, as moving or cloning files to a new disk may be necessary.

HP EliteBook 640 G9 vs HP EliteBook 840 G9: Display Comparison

The display is an essential aspect to consider when comparing the HP EliteBook 640 G9 and HP EliteBook 840 G9 since its is the component that you interact the most and significantly impact the experience.

Screen Area and Dimensions

Now let's look at the comparison of the actual display areas of both laptops below, keeping the bezels around the screens out of the equation. Both EliteBook 640 G9 and EliteBook 840 G9 screens have the same size of 14.0". The total usable screen area of the EliteBook 640 G9 is 540cm2 / 84inch2 whereas the EliteBook 840 G9's total usable screen area is 568cm2 / 88inch2:


PPI (Pixels per Inch)
Additionally, the EliteBook 840 G9 features a higher pixel density with 162 pixels per inch (PPI), ensuring sharper image details.

Screen PPI (Pixels Per Inch) Comparison

Displays size 14.0-14.9 inches

HP EliteBook 640 G9
HP EliteBook 840 G9
Min
Average
Max

Refresh Rate
Both EliteBook 640 G9 and EliteBook 840 G9 offer the same refresh rate of 60 Hz.

Brightness
Both EliteBook 640 G9 and EliteBook 840 G9 offer the same maximum brightness of 1000 nits (cd/m²).

Brightness Comparison

Displays size 14.0-14.9 inches

HP EliteBook 640 G9
HP EliteBook 840 G9
Min
Average
Max
HP EliteBook 640 G9 vs HP EliteBook 840 G9 Connectivity Comparison

In terms of connectivity,

Wifi
Both EliteBook 640 G9 and EliteBook 840 G9 support the latest Wi-Fi standard (v6E).

USB
Both EliteBook 640 G9 and EliteBook 840 G9 have USB-A ports. EliteBook 640 G9 has 3x USB 3.2 USB-A ports, while EliteBook 840 G9 has 2x USB 3.2 USB-A ports.
Both EliteBook 640 G9 and EliteBook 840 G9 have USB Type-C ports. EliteBook 640 G9 has 1x USB 4.0 USB Type-C ports, while EliteBook 840 G9 has 2x USB 4.0 USB Type-C ports.

Thunderbolt
Both EliteBook 640 G9 and EliteBook 840 G9 are equipped with Thunderbolt 4 ports.

HDMI
Both EliteBook 640 G9 and EliteBook 840 G9 feature an HDMI port (1x HDMI 2.0) for connecting to external monitors.

SD Card Reader
Neither EliteBook 640 G9 nor EliteBook 840 G9 has an SD Card Reader.

Audio Jack
Both EliteBook 640 G9 and EliteBook 840 G9 are equipped with a 3.5mm Audio Jack, providing seamless connection to headphones and speakers.

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