Infinix XBOOK B15 Series BL51A5 Laptop vs Asus Vivobook 16X K3605ZF-RP458WS Laptop
Here you can compare Infinix XBOOK B15 Series BL51A5 Laptop… and Asus Vivobook 16X K3605ZF-RP458WS Lapt…. Comparing Infinix XBOOK B15 Series BL51A5 Laptop… vs Asus Vivobook 16X K3605ZF-RP458WS Lapt… 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 Asus Vivobook 16X K3605ZF-RP458WS Lapt… and which one should you buy The current lowest price found for Infinix XBOOK B15 Series BL51A5 Laptop… is ₹69,990 and for Asus Vivobook 16X K3605ZF-RP458WS Lapt… is ₹58,890. The details of both of these products were last updated on Nov 23, 2025.
| Specification | Infinix XBOOK B15 Series BL51A5 Laptop… | Asus Vivobook 16X K3605ZF-RP458WS Lapt… |
|---|---|---|
| Display | 15.6 inches | 16 inches |
| CPU | 5th Gen AMD Ryzen 7 5825U | 12th Gen Intel Core i5 12500H |
| GPU | AMD Radeon AMD | NVIDIA GeForce RTX 2050 |
| RAM | 16 GB DDR4 | 16 GB DDR4 |
| HDD | ||
| Price | ₹69,990 | ₹58,890 |
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Overview
| Specs Score | 64 / 100 | 64 / 100 |
| CPU Clock Speed | 2 GHz | 2.5 GHz Faster Clock Speed |
| CPU Cores | Octa Core | 12 Cores More CPU Cores |
| Display Resolution | 1920 x 1080 pixels | 1920 x 1200 pixels Better Resolution |
| Thickness | 17.65 mm Slimmer | |
| GPU Dedicated Memory | 4 GB More GPU Memory | |
| USB Ports | 2 x USB 3.0, 2 x USB Type-C More USB Ports | 2 x USB 3.0, 1 x USB Type-C |
| Weight | 1.59 kg Lighter | 1.7 kg |
| Unique Features | Ethernet Port Lock Port | No No |
General
| Series | B15 Series | Vivobook 16X |
| Model | BL51A5, XBOOK B15 | K3605ZF-RP458WS |
| Utility | Everyday Use, Performance | Gaming, Performance |
| Device Type | Ultrabook | Netbook |
| OS | Windows 11 Home (64-bit) | Windows 11 Home (64-bit) |
| Dimensions | 352.8 x 226.7 x 17.65 mm | |
| Weight | 1.59 kg | 1.7 kg |
| Warranty | Domestic Onsite Warranty On Laptop And 6 Months On Adapter | 1 year Warranty |
Display
| Type | IPS | LED Backlit |
| Touch | No | No |
| Size | 15.6 inches | 16 inches |
| Resolution | 1920 x 1080 pixels | 1920 x 1200 pixels |
| PPI | ~ 141 PPI | ~ 142 PPI |
| Refresh Rate | 60 Hz | 144 Hz |
| Aspect Ratio | 16:9 | 16:10 |
| Anti Glare Screen | Yes | Yes |
| Features | 250nits peak brightness, COLOR GAMUT 45% NTSC | 300nits, sRGB: 100% display |
Connectivity
| Ethernet | Yes | No |
| WiFi | IEEE 802.11 a/b/g/n/ac | Wi-Fi 6E |
| Bluetooth | v5 | v5.3 |
| USB Ports | 2 x USB Type-C, 2 x USB 3.0 | 1 x USB Type-C, 2 x USB Type-A, 2 x USB 3.0 |
| HDMI | 1 x HDMI 1.4 Port | 1 x HDMI 2.1 Port |
| Card Reader | SD 4.0 card reader | |
| Micro SD Card Reader | Yes | |
| Microphone In | Yes | Yes |
| Headphone Jack | Yes | Yes |
| Security Lock Port | Yes |
Input
| Camera | Yes, 2 MP | Yes |
| Keyboard | 2 Level Brightness Adjustment, Yes | Backlit Chiclet Keyboard with Num-key, Yes |
| Keyboard Backlit | Yes | Yes |
| Touchpad | Yes | Yes |
| Inbuilt Microphone | Dual Mic | Yes |
| Speakers | DTS Audio Processing | SonicMaster || Built-in speaker || Built-in array microphone |
| Sound | DTS Audio Processing | -ispeaker || Built-in array microphone |
| Optical Drive | No | No |
Processor
| Processor | 5th Gen AMD Ryzen 7 5825U | 12th Gen Intel Core i5 12500H |
| Speed | 8 x 2 GHz (Turbo Speed upto 4.5 GHz) Cores | 4 x 2.5 GHz (Turbo Speed upto 4.5 GHz) Performance Cores 8 x 1.8 GHz (Turbo Speed upto 3.3 GHz) Efficient Cores |
| Cores | Octa Core, 16 Threads | 12 Cores (4P + 8E), 16 Threads |
| Cache | 16 MB | 18 MB |
| Brand | AMD | Intel |
| Series | Ryzen 7 | Core i5 |
| Model | 5825U | 12500H |
| Generation | 5th Gen | 12th Gen |
| Process Node | 10 nm |
Graphics
| GPU | AMD Radeon AMD | NVIDIA GeForce RTX 2050 |
| Dedicated Memory | GDDR6 4 GB | |
| Brand | AMD | NVIDIA |
Memory
| RAM | 16 GB DDR4 | 16 GB DDR4 |
| RAM Bus Speed | 3200 MHz | 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 | |
| Adapter Type | 65W | |
| Battery Backup | Upto 9 hours | Upto 6 hours |
Extra
| Included Software | Infinix PC Connection | MyASUS, ProArt Creator Hub, ScreenXpert, GlideX, MS Office 2024 H&S |
| Sales Package | Laptop, Power Adaptor, User Guide, Warranty Documents | Laptop, Adaptor & Manual |
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