HP ProBook 430 G8 vs HP ProBook 455 G8 Comparison

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HP ProBook 430 G8

13.3 inches | September 2020

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HP ProBook 455 G8

15.6 inches | January 2021

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HP ProBook 430 G8 vs HP ProBook 455 G8 Comparison Overview

HP ProBook 430 G8

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HP ProBook 455 G8

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HP ProBook 430 G8

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HP ProBook 455 G8

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In this review, we will be comparing ProBook 430 G8 and ProBook 455 G8, two laptops by HP. HP ProBook 430 G8 was introduced to market in September 2020 and HP ProBook 455 G8 was launched in January 2021. There is only 4 months difference between ProBook 430 G8 and ProBook 455 G8 so we are expecting this to be a fair comparison regarding age and technology level.

Click for Available Configurations of the Laptops

ProBook 430 G8 and ProBook 455 G8 are members of HP's ProBook series of laptops. Below you can find the latest models from this series.

HP ProBook Series History

	Release Date	Screen Size	Dimensions	Weight
HP ProBook 440 G11	March 2024	14.0"	318.6 x 224.3 x 17 mm	1.39 kg (3.06 lbs)
HP ProBook 445 G11	March 2024	14.0"	318.6 x 224.4 x 17 mm	1.39 kg (3.06 lbs)
HP ProBook 465 G11	March 2024	16.0"	359.4 x 251.1 x 10.9-17 mm	1.74 kg (3.84 lbs)
HP ProBook 460 G11	March 2024	16.0"	359.4 x 251.1 x 10.9-17 mm	1.74 kg (3.84 lbs)
HP ProBook 450 G10	March 2023	15.6"	359.4 x 233.9 x 19.9 mm	1.79 kg (3.95 lbs)
HP ProBook 440 G10	March 2023	14.0"	321.81 x 213.86 x 19.81 mm	1.37 kg (3.02 lbs)
HP ProBook 440 G9	January 2022	14.0"	321.9 x 213.9 x 19.9 mm	1.38 kg (3.04 lbs)
HP ProBook 445 G9	January 2022	14.0"	321.9 x 213.9 x 19.9 mm	1.38 kg (3.04 lbs)

Here is a brief look at the main features of HP ProBook 430 G8 and HP ProBook 455 G8 before getting into our more detailed comparison.

HP ProBook 430 G8 Key Specs

Launched in September 2020
13.3" IPS LCD, 16:9 Aspect Ratio Display
CPU: Intel Core i3 1115G4
GPU: Intel UHD Graphics Xe G4
8GB Ram
306.8 x 208.2 x 15.7 mm (12.08 x 8.2 x 0.62 inches)
Weight: 1.27 kg (2.8 lbs)

HP ProBook 455 G8 Key Specs

Launched in January 2021
15.6" TFT VA, 16:9 Aspect Ratio Display
CPU: AMD Ryzen 3 5400U
GPU: Radeon RX Vega 6 (Ryzen 4000)
4GB Ram
359.4 x 233.9 x 19.8 mm (14.15 x 9.21 x 0.78 inches)
Weight: 1.74 kg (3.84 lbs)

Let's read on the following sections in order to better understand in detail how ProBook 430 G8 and ProBook 455 G8 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 ProBook 430 G8 over HP ProBook 455 G8

Weight	1.27 kg vs 1.74 kg	0.47 kg lighter
Side Bezel Thickness	6.2 mm vs 7 mm	0.8 mm thinner bezels
Screen PPI	166 ppi vs 100 ppi	More pixels per inch
Screen Resolution	1920 x 1080 pixels vs 1366 x 768 pixels	Higher pixel count screen

Reasons to choose HP ProBook 455 G8 over HP ProBook 430 G8

Screen-to-Body Ratio	~79.8% vs ~76.3%	Larger screen area ratio
Display Size	15.6 inches vs 13.3 inches	Larger Screen Estate
CPU Fabrication Process	7 nm vs 10 nm	Newer Generation CPU
GPU Fabrication Process	7 nm vs 10 nm	Newer Generation GPU
GPU FLOPS	1.23 TFLOPS vs 0.84 TFLOPS	More advanced Bluetooth connectivity
Bluetooth	v5.2 vs v5	Connect more device at the same time
Number of USB-A Ports	3x USB 3.2 vs 2x USB 3.2	Connects to the local network via Ethernet RJ45
Ethernet RJ45 Port	Yes vs No

Common Strengths of HP ProBook 455 G8 and HP ProBook 430 G8

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 3.0 (4x) vs PCI-E Gen 3.0 (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	v6 vs v6	Fast and Reliable Wi-Fi Connections
HDMI Output	1x HDMI 1.4 vs 1x HDMI 1.4	Connect to External Displays via HDMI cable
VGA Output	No vs No	Connect to External Displays via VGA cable
Built-in SD Card Reader	Yes vs Yes	Read & Write SD Cards
Keyboard Backlight	Yes vs Yes	Easily see the keys under low light

Common Weaknesses of HP ProBook 455 G8 and HP ProBook 430 G8

Touchscreen Capability	No vs No	No Touchscreen Capability
HDR Support	No vs No	No HDR Support

HP ProBook 430 G8 vs HP ProBook 455 G8: Physical Specs Comparison

In this section, we will be comparing the physical specifications and body features of the HP ProBook 430 G8 and the HP ProBook 455 G8.

Physical Specs
Weight	1.27 kg (2.8 lbs)	1.74 kg (3.84 lbs)
Surface Area	639 cm2 (99.1 inches2)	841 cm2 (130.3 inches2)
Screen to Surface Ratio	~76.3%	~79.8%
Side Bezel Thickness	~6.2 mm	~7 mm
Weight per Inch of Screen	0.10 kg/inch	0.11 kg/inch
	0.22 lbs/inch	0.242 lbs/inch
Colors	Silver	Silver

Comparison of the HP ProBook 430 G8 and the HP ProBook 455 G8 External Dimensions

Weight

ProBook 430 G8 weighs 1.27 kg (2.8 lbs), whereas the ProBook 455 G8 weighs 1.74 kg (3.84 lbs). There is a notable difference in weight between these two laptops. However, it's important to consider that comparing their weights directly may not provide a complete picture since they also have different display sizes.

Weight Comparison

HP ProBook 430 G8 1.27 kg

Avg: 13.0-13.9" 1.22 kg

HP ProBook 455 G8 1.74 kg

Avg: 15.0-15.9" 1.94 kg

Thickness Comparison

HP ProBook 430 G8 15.70 mm

Avg: 13.0-13.9" 15.32 mm

HP ProBook 455 G8 19.80 mm

Avg: 15.0-15.9" 20.13 mm

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 ProBook 430 G8 is 0.10 kg/inch.In comparison, this value for the HP ProBook 455 G8 is 0.11 kg/inch.Here are some of the best performing laptops in this area:

Microsoft Surface Go 4: 0.05 kg/inch
LG Gram SuperSlim 15.6 2023: 0.06 kg/inch
Asus ProArt PZ13 HT5306: 0.06 kg/inch
Asus Zenbook A14 UX3407: 0.06 kg/inch
Microsoft Surface Pro 12: 0.06 kg/inch
Dell Latitude 7330: 0.07 kg/inch
Lenovo ThinkPad X1 Nano Gen 2: 0.07 kg/inch
LG Gram 14 2022: 0.07 kg/inch

HP ProBook 430 G8 vs HP ProBook 455 G8: Internals (CPU, GPU, RAM, Battery, SSD, etc.) Comparison

CPU Comparison

CPU Model	Intel Core i3 1115G4 Intel Core i5 1135G7 Intel Core i7 1165G7	AMD Ryzen 3 5400U AMD Ryzen 5 5600U AMD Ryzen 5 Pro 5650U AMD Ryzen 7 5800U AMD Ryzen 7 Pro 5850U
Base Frequency	1.7-3.0 GHz	2.6 GHz
Turbo Frequency	4.1 GHz	4 GHz
Number of Cores	2	4
Number of Threads	4	8
L3 Cache	6 MB	8 MB
Integrated GPU	Intel UHD Graphics Xe G4	Radeon RX Vega 6
CPU Fabrication Process	10 nm	7 nm

Above you can see the CPU options and the CineBench and GeekBench test scores for both laptops, which gives an idea about what kind of performance difference you may experience between the HP ProBook 430 G8 and HP ProBook 455 G8.

You may also read reviews of latest laptops with the same CPUs and compare them:

Laptops with: Intel Core i3 1115G4

Laptops with: AMD Ryzen 3 5400U

GPU Comparison

GPU Model	Intel UHD Graphics Xe G4	Radeon RX Vega 6 (Ryzen 4000)
Base Clock Frequency	300 MHz	300 MHz
Boost CLock Frequency	1100 MHz	1600 MHz
TGP (Total Graphics Power)	15 W	45 W
Type	Integrated	Integrated
FLOPS	844.8 GFLOPS	1,229 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	384	384
TMUs	24	24
ROPs	12	8

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 ProBook 430 G8 has a FLOPS value of 0.84 TFLOPS whereas the HP ProBook 455 G8 ' has a FLOPS value of 1.23 TFLOPS. If graphical performance of the laptop is important for your use type, the HP ProBook 455 G8 may be the better choice between these two setups.

RAM Comparison

RAM	8GB 16GB 32GB	4GB 8GB 12GB 16GB 32GB
Memory Bus	1x8 GB	1x4 GB
RAM Clock	3200 MHz	3200 MHz
RAM Type	DDR4	DDR4
Upgradable	Yes	Yes
Max RAM Size	32 GB	32 GB
Total Slots	2	2
Memory Bus	PCI-E Gen 3.0 (4x)	PCI-E Gen 3.0 (4x)

With a larger RAM capacity of 8 GB, the ProBook 430 G8 offers an advantage for multitasking and resource-intensive applications compared to the ProBook 455 G8's RAM capacity of 4 GB.

LOCAL LLM Compatibility Evaluation

This quick guide shows what types of large language models (LLMs) each of these laptops could support, based on their respective hardware specifications. It's meant to help you compare their suitability for running AI models locally.

LLM Category	HP ProBook 430 G8	HP ProBook 455 G8
Small Models(1-3B):Examples: Phi-2, Qwen-1.8B	✔ Run smoothly.	✖ Not supported.
Medium Models(7-8B):Examples: Mistral-7B, Qwen-7B	✖ Not supported.	✖ Not supported.
Large Models(13-30B):Examples: Mixtral, Qwen-14B	✖ Not supported.	✖ Not supported.
Extra-Large Models(65B+):Examples: LLaMA2-70B, Qwen1.5-72B	✖ Not supported on most systems. Requires high-end GPU or advanced setup.	✖ Not supported on most systems. Requires high-end GPU or advanced setup.

Note: Optimized (e.g., 4-bit) models may run on limited hardware. Performance depends on runtime and setup.

📌 MoE Models: Some models like Mixtral 8x7B and Qwen3-30B-A3B use a Mixture of Experts (MoE) design, activating only part of the model during inference. This means they can often run efficiently on laptops with 12–16 GB of VRAM when quantized.

BATTERY

BATTERY	45 Wh	45 Wh
Battery Type	Li-Po	Li-Ion
Replaceable	No	No
Fast Charging	Yes	Yes
USB Power Delivery	Yes	Yes
Charging Port Position	Right	Right
Charge Power	45 / 65 W	45 / 65 W
Cable Length	1 meters	1 meters

Furthermore, both laptops have the same battery capacity of 45 Wh, ensuring comparable battery performance.

Battery Comparison

HP ProBook 430 G8 45 Wh

Avg: 13.0-13.9" 52.97 Wh

HP ProBook 455 G8 45 Wh

Avg: 15.0-15.9" 62.07 Wh

STORAGE
The ProBook 455 G8 offers a larger max storage capacity of 1 TB, providing more room for storing files and data compared to the ProBook 430 G8's storage capacity of 512 GB.

Storage Options	256 GB, 512 GB	128 GB, 256 GB, 512 GB, 1 TB
Upgradable	Yes	Yes
Total Slots	1	1
Storage type	SSD (M2)	SSD (M2)
NVMe	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 ProBook 430 G8 vs HP ProBook 455 G8: Display Comparison

The display is an essential aspect to consider when comparing the HP ProBook 430 G8 and HP ProBook 455 G8 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. ProBook 430 G8 has a display size of 13.3".On the other hand, ProBook 455 G8 has a larger15.6" display.The total usable screen area of the ProBook 430 G8 is 487cm² / 76inch² whereas the ProBook 455 G8's total usable screen area is 670cm² / 104inch².

PPI (Pixels per Inch)
Additionally, the ProBook 430 G8 features a higher pixel density with 166 pixels per inch (PPI), ensuring sharper image details.

Screen PPI (Pixels Per Inch) Comparison

HP ProBook 430 G8 166 PPI

Avg: 13.0-13.9" 186 PPI

HP ProBook 455 G8 100 PPI

Avg: 15.0-15.9" 143 PPI

Refresh Rate
Both ProBook 430 G8 and ProBook 455 G8 offer the same refresh rate of 60 Hz.

Brightness
Both ProBook 430 G8 and ProBook 455 G8 offer the same maximum brightness of 250 nits (cd/m²).

Brightness Comparison

HP ProBook 430 G8 250 nits

Avg: 13.0-13.9" 435 nits

HP ProBook 455 G8 250 nits

Avg: 15.0-15.9" 319 nits

HP ProBook 430 G8 vs HP ProBook 455 G8 Connectivity Comparison

In terms of connectivity,

Wifi
Both laptops offer the same Wi-Fi standard (v6), ensuring fast and reliable wireless connections.

Below, you'll find a Wi-Fi Versions Table, along with their release dates and speeds, to provide a brief overview of its development.

Wi-Fi Versions and Speeds

Standard	Speed	Release Date	Network	Frequency Bands (GHz)
Wi-Fi 7	up to 40 Gbps (5 GB/s)	2023	802.11be	2.4, 5, 6
Wi-Fi 6E	up to 9.6 Gbps (1.2 GB/s)	2020	802.11ax	2.4, 5, 6
Wi-Fi 6	up to 9.6 Gbps (1.2 GB/s)	2019	802.11ax	2.4, 5
Wi-Fi 5	up to 6.93 Gbps (866.25 MB/s)	2014	802.11ac	2.4, 5
Wi-Fi 4	up to 600 Mbps (75 MB/s)	2009	802.11n	2.4, 5

* Please note that the provided transfer rates are maximum theoretical values, and real-life performance may vary based on environmental factors.

USB
Both ProBook 430 G8 and ProBook 455 G8 have USB-A ports. ProBook 430 G8 has 2x USB 3.2 USB-A ports, while ProBook 455 G8 has 3x USB 3.2 USB-A ports.
Both ProBook 430 G8 and ProBook 455 G8 feature 1x USB 3.2 USB Type-C ports.

Below, you'll find a table of USB ports, along with their release dates and speeds.
To mitigate the confusion caused by generation names, the USB Implementers Forum (USB-IF) suggests using marketing names like USB 5Gbps, USB 10Gbps, and so forth, based on their respective transfer rates.

USB Type and Speeds

USB Type	Version	Speed	Date	Other Features/Explanations
USB4	Gen 4 (2.0)	80 Gbps	2022	Also known as USB 80Gbps
USB4	Gen 3×2	40 Gbps	2019	Also known as USB 40Gbps
USB 3.2	3.2 Gen 2x2	20 Gbps	2019	Double the data transfer rates of Gen 2
USB 3.2	3.2 Gen 2	10 Gbps	2017	Previously known as USB 3.1
USB 3.2	3.2 Gen 1	5 Gbps	2017	Previously known as USB 3.0
USB 3.1	3.1 Gen 2	10 Gbps	2013	Faster data transfer rates
USB 3.0	3.1 Gen 1	5 Gbps	2010	SuperSpeed USB, improved data transfer rates
USB 2.0	2.0	480 Mbps	2000	High-speed data transfer
USB 1.0	1.0	1.5 Mbps	1996	Original USB standard

Thunderbolt
Neither ProBook 430 G8 nor ProBook 455 G8 has Thunderbolt port.

HDMI
Both ProBook 430 G8 and ProBook 455 G8 feature an HDMI port (1x HDMI 1.4) for connecting to external monitors.

Below, you'll find a comparison table detailing different HDMI versions, including their bandwidth, color depth, maximum resolution, and release dates. This information can be helpful in understanding the capabilities of each HDMI version and choosing the most suitable one for your needs.

HDMI Comparison Table

HDMI Version	Maximum Resolution	Bandwidth (Gbps)	Color Depth (bits)	Release Date
HDMI 2.1-2.1b	7680 x 4320 *(8K)* @ 60p 3840 x 2160 *(4K)* @ 120p	48.0	48	2017
HDMI 2.0-2.0b	3840 x 2160 *(4K)* @ 60p	18.0	48	2013
HDMI 1.4-1.4b	3840 x 2160 *(4K)* @ 30p	10.2	48	2009
HDMI 1.3-1.3a	2560 x 1440 @ 60p	10.2	48	2006
HDMI 1.0-1.2a	1920 x 1200 @ 60p	4.95	24	2002

* Please note that the provided resolution values represent the maximum supported resolution, and actual display quality may depend on other factors such as source content and connected devices.

SD Card Reader
Both ProBook 430 G8 and ProBook 455 G8 come with an SD Card Reader for easy access to memory cards.

Audio Jack
Both ProBook 430 G8 and ProBook 455 G8 are equipped with a 3.5mm Audio Jack, providing seamless connection to headphones and speakers.

To summarize the connectivity and ports details, please refer to the table below to see them listed.

Connectivity and Ports
WiFi Standard (latest: v7)	v6	v6
Bluetooth (latest: v5.4)	v5	v5.2
USB-A (latest: 3.2)	2x USB 3.2	3x USB 3.2
USB Type-C (latest: USB4 2.0)	1x USB 3.2	1x USB 3.2
Thunderbolt (latest: 5)	No	No
HDMI (latest: 2.1)	1x HDMI 1.4	1x HDMI 1.4
Display Port (latest: v2.0)	No	No
VGA	No	No
Fingerprint Sensor	Optional	Optional
Optical Drive	No	No
Audio Jack 3.5mm	Yes	Yes
Ethernet RJ45	No	Yes
SD CardReader	Yes	Yes
Proprietary Charging Port	Yes	Yes