Infinix XBOOK B15 Series BL51A5 Laptop vs Samsung Galaxy Book 4 NP750XGJ-LG4IN Laptop
Here you can compare Infinix XBOOK B15 Series BL51A5 Laptop… and Samsung Galaxy Book 4 NP750XGJ-LG4IN L…. Comparing Infinix XBOOK B15 Series BL51A5 Laptop… vs Samsung Galaxy Book 4 NP750XGJ-LG4IN L… on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Infinix XBOOK B15 Series BL51A5 Laptop… stands against Samsung Galaxy Book 4 NP750XGJ-LG4IN L… and which one should you buy The current lowest price found for Infinix XBOOK B15 Series BL51A5 Laptop… is ₹69,990 and for Samsung Galaxy Book 4 NP750XGJ-LG4IN L… is ₹38,990. The details of both of these products were last updated on Nov 21, 2025.
| Specification | Infinix XBOOK B15 Series BL51A5 Laptop… | Samsung Galaxy Book 4 NP750XGJ-LG4IN L… |
|---|---|---|
| Display | 15.6 inches | 15.6 inches |
| CPU | 5th Gen AMD Ryzen 7 5825U | 13th Gen Intel Core i3 1315U |
| GPU | AMD Radeon AMD | Intel Graphics |
| RAM | 16 GB DDR4 | 8 GB LPDDR4x |
| HDD | ||
| Price | ₹69,990 | ₹38,990 |
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Overview
| Specs Score | 64 / 100 Better Specs | 54 / 100 |
| CPU Clock Speed | 2 GHz Faster Clock Speed | 1.2 GHz |
| CPU Cores | Octa Core More CPU Cores | Hexa Core |
| Thickness | 17.65 mm | 15.4 mm Slimmer |
| RAM | 16 GB More RAM | 8 GB |
| Unique Features | Lock Port No | No Fingerprint Sensor |
General
| Country of Origin | India | |
| Series | B15 Series | Galaxy Book 4 |
| Model | BL51A5, XBOOK B15 | NP750XGJ-LG4IN |
| Utility | Everyday Use, Performance | Everyday Use |
| Device Type | Ultrabook | |
| OS | Windows 11 Home (64-bit) | Windows 11 Home (64-bit) |
| Dimensions | 352.8 x 226.7 x 17.65 mm | 356.6 x 229.1 x 15.4 mm |
| Weight | 1.59 kg | 1.55 kg |
| Warranty | Domestic Onsite Warranty On Laptop And 6 Months On Adapter | 1 year Warranty |
Display
| Type | IPS | LCD |
| Touch | No | No |
| Size | 15.6 inches | 15.6 inches |
| Resolution | 1920 x 1080 pixels | 1920 x 1080 pixels |
| PPI | ~ 141 PPI | ~ 141 PPI |
| Refresh Rate | 60 Hz | |
| Aspect Ratio | 16:9 | |
| Anti Glare Screen | Yes | Yes |
| Features | 250nits peak brightness, COLOR GAMUT 45% NTSC | |
| Dual Display | No |
Connectivity
| Ethernet | Yes | Gigabit Ethernet [10/100/1000] |
| WiFi | IEEE 802.11 a/b/g/n/ac | Wi-Fi 6 (Gig+), 802.11 ax 2x2 |
| Bluetooth | v5 | v5.2 |
| USB Ports | 2 x USB Type-C, 2 x USB 3.0 | 2 x USB Type-C, 2 x USB Type-A, 2 x USB 3.0 |
| HDMI | 1 x HDMI 1.4 Port | 1 x HDMI Port |
| Micro SD Card Reader | Yes | MicroSD Multi-media Card Reader |
| Fingerprint Sensor | Yes | |
| Microphone In | Yes | Yes |
| Headphone Jack | Yes | Yes |
| Security Lock Port | Yes |
Input
| Camera | Yes, 2 MP | 720p HD Camera, 2 MP |
| Keyboard | 2 Level Brightness Adjustment, Yes | Pro keyboard with Numeric key |
| Keyboard Backlit | Yes | Yes |
| Touchpad | Yes | Yes |
| Inbuilt Microphone | Dual Mic | Internal Dual Array Digital Mic |
| Speakers | DTS Audio Processing | Stereo Speakers ( 2W x 2 ) |
| Sound | DTS Audio Processing | Dolby Atmos |
| Optical Drive | No | No |
Processor
| Processor | 5th Gen AMD Ryzen 7 5825U | 13th Gen Intel Core i3 1315U |
| Speed | 8 x 2 GHz (Turbo Speed upto 4.5 GHz) Cores | 2 x 1.2 GHz (Turbo Speed upto 4.5 GHz) Performance Cores 4 x 900 MHz (Turbo Speed upto 3.3 GHz) Efficient Cores |
| Cores | Octa Core, 16 Threads | Hexa Core (2P + 4E), 8 Threads |
| Cache | 16 MB | 10 MB |
| Brand | AMD | Intel |
| Series | Ryzen 7 | Core i3 |
| Model | 5825U | 1315U |
| Generation | 5th Gen | 13th Gen |
| Process Node | 10nm |
Graphics
| GPU | AMD Radeon AMD | Intel Graphics |
| Brand | AMD | Intel |
Memory
| RAM | 16 GB DDR4 | 8 GB LPDDR4x |
| RAM Bus Speed | 3200 MHz | |
| RAM Slots | 2 | |
| Solid State Drive | 512 GB SSD | 512 GB SSD |
| SSD Interface | NVMe | NVMe |
Battery
| Battery | 50 Wh, 3 Cell Battery | 54 Wh Battery |
| Adapter Type | 65W | 45 W USB Type-C Adapter |
| Battery Backup | Upto 9 hours |
Extra
| Included Software | Infinix PC Connection | |
| Sales Package | Laptop, Power Adaptor, User Guide, Warranty Documents | Laptop, 45W Charger, Data Cable(USB-C to C, 1.8m), Quick Start Guide |
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