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HP ProBook 4 G1iR 16 reviews
Brand: HP More HP laptops reviews →
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Compare HP ProBook 4 G1iR 16 reviews, specifications and available UK retailer offers. Check the details for this exact model and follow the original critics’ findings.
Manufacturer codeC81R9ES
The product, explained
About the HP ProBook 4 G1iR 16
HP C81R9ES is listed in the laptops category. The recorded specifications include display diagonal: 40.6 cm (16"); processor family: Intel Core 5; internal memory: 16 GB; total storage capacity: 512 GB. This entry covers manufacturer code C81R9ES. Specifications relate to this exact source record; other editions or packages may differ.
The 40.6 cm (16") display is specified at 1920 x 1200 pixels. Consider these together: a larger screen provides more physical space, while resolution determines the number of pixels available. Neither specification establishes brightness, colour accuracy or motion quality.
This configuration lists 16 GB of memory and 512 GB of storage. Memory supports active applications; storage holds software and files. Check upgradeability separately, because a capacity figure does not establish whether either component can be replaced.
- Screen size
- 40.6 cm (16")
- Screen resolution
- 1920 x 1200 pixels
- Processor family
- Intel Core 5
- Processor model
- 120U
- Memory (RAM)
- 16 GB
- Total storage capacity
- 512 GB
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Independent perspectives
Expert reviews 0
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Know exactly what you’re buying
HP ProBook 4 G1iR 16 specifications
Manufacturer code: C81R9ES · Icecat product 133566638 · Checked 2 Oct 2026. Specifications belong to this exact model.
Key specifications
The main features to compare for this exact model. Missing details are not assumed.
| Screen size | 40.6 cm (16") |
|---|---|
| Screen resolution | 1920 x 1200 pixels |
| Processor family | Intel Core 5 |
| Processor model | 120U |
| Memory (RAM) | 16 GB |
| Total storage capacity | 512 GB |
| Storage media | SSD |
| Operating system installed | Windows 11 Pro |
| Discrete graphics card model | Not available |
| Weight | 1.74 kg |
More product specifications
Open a section for the details that matter to you.
Audio & listening9 details
| Performance-core Max Turbo Frequency | 5 GHz |
|---|---|
| Efficient-core Max Turbo Frequency | 3.8 GHz |
| Performance-core base frequency | 1.4 GHz |
| Efficient-core base frequency | 0.9 GHz |
| Number of built-in speakers | 2 |
| Number of microphones | 2 |
| Microphone in | Yes |
| HP speaker type | HP Dual Speakers |
| Height (rear) | 1.7 cm |
Display4 details
| Touchscreen | No |
|---|---|
| Panel type | IPS |
| Anti-glare screen | Yes |
| Display diagonal (metric) | 40.6 cm |
Processor, memory & storage17 details
| Processor manufacturer | Intel |
|---|---|
| Processor generation | Intel Core (Series 1) |
| Processor cores | 10 |
| Processor threads | 12 |
| Processor boost frequency | 5 GHz |
| Processor cache | 12 MB |
| Processor cache type | Smart Cache |
| Processor socket | BGA 1744 |
| Processor base power | 15 W |
| Internal memory type | DDR5-SDRAM |
| Memory slots | 2x SO-DIMM |
| Maximum internal memory | 48 GB |
| SSD capacity | 512 GB |
| On-board graphics card | Yes |
| Discrete graphics card | No |
| On-board graphics card family | Intel® Graphics |
| On-board graphics card model | Intel® Graphics |
Camera, image & video1 detail
| Front camera | Yes |
|---|
Printing, scanning & paper1 detail
| Fingerprint reader | Yes |
|---|
Connections & wireless10 details
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
|---|---|
| Mobile network connection | No |
| Bluetooth | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB 3.2 Gen 2x2 Type-C ports quantity | 2 |
| HDMI ports | 1 |
| HDMI version | 2.1 |
| USB Type-C DisplayPort Alternate Mode | Yes |
| USB Sleep-and-Charge | Yes |
| USB Sleep-and-Charge ports | 2 |
Power & battery8 details
| Battery technology | Lithium Polymer (LiPo) |
|---|---|
| Number of battery cells | 3 |
| Battery capacity | 56 Wh |
| AC adapter power | 45 W |
| AC adapter frequency | 50 - 60 Hz |
| AC adapter input voltage | 100 - 240 V |
| USB Type-C charging port | Yes |
| USB Power Delivery (USB PD) | Yes |
Controls & features2 details
| Temperature sensor | Yes |
|---|---|
| Hall sensor | Yes |
Design & dimensions9 details
| Product type | Laptop |
|---|---|
| Product colour | Silver |
| Form factor | Clamshell |
| Memory form factor | SO-DIMM |
| Password protection | Yes |
| Password protection type | BIOS, Power on |
| Width | 359.4 mm |
| Depth | 251 mm |
| Height (front) | 1.09 cm |
Further product details17 details
| Market positioning | Everyday |
|---|---|
| HD type | WUXGA |
| LED backlight | Yes |
| Native aspect ratio | 16:10 |
| Performance cores | 2 |
| Efficient cores | 8 |
| Maximum turbo power | 55 W |
| Memory data transfer rate | 5600 MT/s |
| Total SSDs capacity | 512 GB |
| Number of SSDs installed | 1 |
| NVMe | Yes |
| Optical drive type | No |
| On-board GPU manufacturer | Intel |
| Pointing device | Clickpad |
| Numeric keypad | Yes |
| Spill-resistant keyboard | Yes |
| HP segment | Business |
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.
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Your questions, answered
HP ProBook 4 G1iR 16 FAQs
How many expert reviews are available for HP ProBook 4 G1iR 16?
No scored critic reviews have been imported for this product yet. This means review coverage is missing; it does not mean the product received a poor review.
What is the COR Score for HP ProBook 4 G1iR 16?
The COR Score is tbd. We publish a combined score only after at least three distinct critics have usable ratings. Any individual reviews already available remain visible.
Which exact version does this page cover?
This page identifies HP ProBook 4 G1iR 16 using manufacturer code C81R9ES. Check that code, configuration and supplied accessories against the retailer listing. Related-version reviews are labelled separately and do not contribute to this version’s score.
What is the listed display diagonal for HP ProBook 4 G1iR 16?
The source specification records display diagonal as 40.6 cm (16"). This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.
What is the listed display resolution for HP ProBook 4 G1iR 16?
The source specification records display resolution as 1920 x 1200 pixels. This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.
Where can I compare prices for HP ProBook 4 G1iR 16?
Use the retailer-offer section on this page for available matched offers. If no offer is shown, we do not currently have a verified price. Confirm model, stock, delivery and the final total at the retailer; coverage does not include every seller.
How much memory do I need?
It depends on apps and multitasking. Check software requirements and buy enough headroom because many laptops do not allow later memory upgrades.
Can one USB-C cable do everything?
Sometimes, but capabilities vary. Confirm charging, display and data support for the laptop, dock, cable and monitor.
Are long software updates important?
Yes. They can affect security, compatibility and the usable life of a computer. Check manufacturer and operating-system support information.
How should I use the specifications alongside reviews?
Use the recorded features to check compatibility and make a shortlist. Read the original reviews for measured performance, everyday use and the tested configuration.
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Start with the complete buying guide →Laptop screen sizes: 13, 14, 15 or 16 inches?Screen diagonal is only one part of laptop size. Aspect ratio, bezel, resolution and chassis design change the usable workspace and footprint, while a larger battery can make two apparently similar machines carry…How much laptop RAM and storage do you need?Size memory for concurrent work and storage for active files, then check whether either can be upgraded.How to compare laptop battery-life claimsTranslate controlled battery figures into screen brightness, workload, calls and standby behaviour that resemble your day.USB-C laptop docks: charging, displays and portsVerify data, video and charging capabilities of the exact laptop port, dock and cable.