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MSI Modern 15 B12M, i7-1255U


MSI Modern 15 B12M, i7-1255U
MSI Modern 15 B12M, i7-1255U (Modern 15 Series)
Intel Core i7-1255U 10 x 1.2 - 4.7 GHz, Alder Lake-U
16 GB 
, DDR4-3200
15.60 inch 16:9, 1920 x 1080 pixel 141 PPI, IPS, 60 Hz
2 USB 3.0 / 3.1 Gen1, 2 USB 3.1 Gen2, USB-C Power Delivery (PD), 1 HDMI, Audio Connections: 3.5mm, Card Reader: microSD
802.11 a/b/g/n/ac/ax (a/b/g/n = Wi-Fi 4/ac = Wi-Fi 5/ax = Wi-Fi 6/), Bluetooth 5
height x width x depth (in mm): 19.9 x 359 x 241 ( = 0.78 x 14.13 x 9.49 in)
39.3 Wh, 3-cell
Operating System
Microsoft Windows 11 Home
Webcam: HD 720p
Additional features
Speakers: Stereo, Keyboard: Chiclet, Keyboard Light: yes
1.75 kg ( = 61.73 oz / 3.86 pounds) ( = 0 oz / 0 pounds)



Average Score: 66.67% - average
Average of 3 scores (from 5 reviews)
price: - %, performance: 80%, features: - %, display: 40% mobility: 60%, workmanship: 60%, ergonomy: - %, emissions: - %

Reviews for the MSI Modern 15 B12M, i7-1255U

MSI Modern 15 B2M How to Replace the NVMe SSD
Source: Ricks Tech English
Support, online available, Long, Date: 04/26/2023
80% MSI Modern 15 Review
Source: Trusted Reviews English
The MSI Modern 15 is a budget laptop with enough power and storage for taxing productivity jobs. A Dell XPS 13 with similar internals costs twice as much. And unlike a lot of basic, pragmatic laptops, the MSI Modern 15 has a low-key sense of style; it doesn’t immediately look or feel too cheap. There are a couple of issues that a lower price can’t eclipse, however. This laptop’s colour saturation is poor, and while the screen looks remarkably good considering how weak the colour is, photo editors and video creators should consider whether this is too big a hurdle to get over. The MSI Modern 15’s battery isn’t fit for all-day use, either – although MSI does have a higher-capacity model in some countries for which lasting the day shouldn’t be a problem. Other cheap Windows laptop options include the Surface Laptop Go 2 and Acer Swift 3, but the MSI is nevertheless an excellent option if you fancy a 15.6-inch display.
Single Review, online available, Long, Date: 09/23/2022
Rating: Total score: 80%
70% MSI Modern 15 B12M review
Source: Techradar English
There are a few minor things, like the single USB-C port and the soldered RAM we wish were different on the Modern 15. However, this is a serviceable piece of hardware that delivers excellent value. Only time will tell if it can survive deployment in a business environment for more than the limited warranty period, but that’s also true for some of the most expensive laptops. At this price, this might be an excellent choice for a student if they can be convinced to take care of it. The highlight of this design is the Core i7-1255U, a major improvement over some of the remarkably mediocre mobile chips that Intel has produced in recent years. Having the Iris graphics core is also very helpful for those that want to do anything graphical or output video playback in 4K to a TV, but not anything useful for CAD or game development. A single year of warranty isn’t great, and neither is the stickers that attempt to restrict internal upgrades, even if these are mostly reduced to replacing the NVMe drive and the battery. With such a short warranty, we’d encourage any owner to find a branded Gen 3 NVMe drive of at least 1TB capacity and sling the Kingston OEM drive that MSI imposed on it as soon as it expires. Overall, a great machine that could give many years of good service to a careful owner.
Single Review, online available, Very Long, Date: 09/02/2022
Rating: Total score: 70%

Foreign Reviews

50% Test du MSI Modern 15 B12M : recommandation impossible
Source: Frandroid French FR→EN
Single Review, online available, Medium, Date: 12/31/2022
Rating: Total score: 50% performance: 80% display: 40% mobility: 60% workmanship: 60%
Обзор MSI Modern 15 B12M
Source: RU→EN
Single Review, online available, Medium, Date: 10/27/2022


Intel Iris Xe G7 96EUs: Integrated graphics card in Intel Tiger Lake G4 SoCs based on the new Gen. 12 architecture with 96 EUs (Execution Units / Shader Cluster). The clock rate depends on the processor model. The Tiger Lake chips are produced in the modern 10nm+ process at Intel.

Modern games should be playable with these graphics cards at low settings and resolutions. Casual gamers may be happy with these cards.

» Further information can be found in our Comparison of Mobile Graphics Cards and the corresponding Benchmark List.

i7-1255U: Alder Lake based mobile CPU with 2 performance cores and 8 efficient cores. The performance cores offer hyper threading, leading to 12 threads that can be processed. The CPU clocks from 1.2 to 4.7 GHz. The TDP is specified at 15 Watt.» Further information can be found in our Comparison of Mobile Processsors.


15-inch display variants are the standard and are used for more than half of all laptops.

The reason for the popularity of mid-sized displays is that this size is reasonably easy on the eyes, often allows high resolutions and thus offers rich details on the screen, yet does not consume too much power and the devices can still be reasonably compact - simply the standard compromise.

» To find out how fine a display is, see our DPI List.

MSI: Micro-Star International (MSI) was founded in 1986 in Taiwan. MSI is especially known as a manufacturer of motherboards and graphics cards for PCs, but also offers computer accessories, complete systems, motherboards, graphics cards, laptops, desktop PCs, monitors and other components. However, the Microstar brand name in Germany belongs to the Medion company. MSI is known for its gaming products and has developed a wide range of gaming laptops and desktop PCs. The company is also active in workstations, servers and industrial automation. MSI has offices in North America, Europe, Asia and Australia.

66.67%: This rating is poor. More than three quarters of the models are rated better. That is rather not a purchase recommendation. Even if verbal ratings in this area do not sound that bad ("sufficient" or "satisfactory"), they are usually euphemisms that disguise a classification as a below-average laptop.

» Further information can be found in our Notebook Purchase Guide.


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Current Prices
Stefan Hinum, 2022-09-26 (Update: 2022-09-26)