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Asus ExpertBook B3 B3404CVA 14" Intel Core i5-1335U 1.3GHz / 16GB RAM / 512GB SSD specifications and in-depth review

Asus ExpertBook B3 B3404CVA 14" Intel Core i5-1335U 1.3GHz / 16GB RAM / 512GB SSD

Manufacturer: Asus

The Asus ExpertBook B3 B3404CVA is a 14-inch business laptop built around Intel's Core i5-1335U processor, running at a base speed of 1.3 GHz across its performance cores with a turbo boost reaching up to 4.6 GHz. It adopts a fanless thermal design, making it a quietly operating machine suited for office and professional environments. The display measures 14 inches with a 1920 x 1200 resolution and a typical brightness of 300 nits, while the chassis keeps a relatively slim 19 mm profile with a backlit keyboard included as standard.

On the performance side, the ExpertBook B3 B3404CVA comes equipped with 16GB of DDR5 RAM running at up to 5200 MHz across two slots, expandable to a maximum of 32GB, paired with a 512GB NVMe SSD using PCIe 4.0. Graphics are handled by the integrated Intel Iris Xe Graphics 80EU, supporting DirectX 12 and OpenCL 3, with a GPU turbo clock of 1250 MHz and the ability to drive up to four external displays. Connectivity options include a Thunderbolt 4 port, a USB 4 40Gbps port, two USB 3.2 Gen 2 Type-A ports, one USB 3.2 Gen 2 Type-C port, an HDMI 2.1 output, and Wi-Fi 6E wireless networking.

Pros
  • The fanless design eliminates active cooling noise, making it well suited for quiet work environments
  • Supports up to four external displays simultaneously, offering meaningful flexibility for multi-monitor setups
  • Thunderbolt 4 and USB 4 40Gbps connectivity provide high-bandwidth options for peripherals and external storage
  • Wi-Fi 6E support ensures fast and reliable wireless performance on compatible networks
  • DDR5 RAM running at up to 5200 MHz across two slots, with room to expand to 32GB, gives the system meaningful headroom for memory-intensive tasks
  • The 1920 x 1200 resolution panel provides more vertical screen space than a standard 1080p display, which benefits document and web browsing workflows
Cons
  • No RJ45 Ethernet port means wired network connectivity requires an adapter
  • The display lacks an anti-reflection coating, which may cause glare issues in brightly lit environments
  • With only a single built-in microphone and no 3D facial recognition or fingerprint scanner, biometric security and audio capture options are limited
  • No external memory card slot restricts quick file transfer from cameras or other storage media
  • The integrated GPU, while capable for general tasks, has no dedicated video memory and shares system resources, limiting suitability for graphics-intensive workloads
  • At 300 nits typical brightness, the display may struggle in very bright ambient lighting conditions
Who is this for?

This laptop is a solid fit for office-based professionals and business users who prioritize a quiet working environment, given its fanless design that produces no active cooling noise. Those who regularly work across multiple screens will appreciate the ability to drive up to four external displays simultaneously, while the Thunderbolt 4 and USB 4 40Gbps port make it practical for users who connect high-speed peripherals or external storage regularly. The 1920 x 1200 display resolution and DDR5 memory foundation also make it a reasonable choice for everyday productivity tasks such as document editing, data work, and web-based workflows.

Who is this NOT for?

Users who need strong graphical output for video editing, 3D rendering, or gaming will find the integrated Intel Iris Xe Graphics limiting, as it shares system memory and lacks the dedicated resources those workloads demand. The absence of an RJ45 port makes this a poor match for environments where wired Ethernet connectivity is essential without carrying an adapter. Similarly, users who rely on biometric login methods — such as fingerprint scanning or facial recognition — will find neither available here, which may be a drawback in security-conscious professional settings.

Design:

Uses a fanless design ✓
Has a backlit keyboard ✓
volume 1344.022 cm³
width 313 mm
height 226 mm
thickness 19 mm
is weather-sealed (splashproof) ✕

The design of this laptop centers on a fanless construction, eliminating active cooling components for a quieter operation. Its physical footprint measures 313 mm in width and 226 mm in height, with a thickness of just 19 mm and a total volume of 1344.022 cm³, keeping the overall form compact. A backlit keyboard is included, adding usability in low-light conditions, though the unit does not offer any weather sealing or splashproof protection.

Display:

screen size 14"
resolution 1920 x 1200 px
has a touch screen ✕
brightness (typical) 300 nits
has anti-reflection coating ✕
supported displays 4

The display measures 14 inches and outputs a 1920 x 1200 pixel resolution, offering a slightly taller aspect ratio than standard 1080p panels. Typical brightness is rated at 300 nits, and the screen does not include an anti-reflection coating or touch input support. Through its graphics output, the system is capable of driving up to 4 external displays simultaneously.

Performance:

RAM 16GB
Uses flash storage ✓
internal storage 512GB
CPU speed 2 x 1.3 & 8 x 0.9 GHz
CPU threads 12 threads
Is an NVMe SSD ✓
DirectX version DirectX 12
GPU clock speed 300 MHz
uses multithreading ✓
maximum memory amount 32GB
DDR memory version 5
turbo clock speed 4.6GHz
GPU turbo 1250 MHz
memory slots 2
PCI Express (PCIe) version 4
semiconductor size 10 nm
Supports 64-bit ✓

The processor runs across 10 cores — two performance cores at 1.3 GHz and eight efficiency cores at 0.9 GHz — with a turbo clock reaching 4.6 GHz and a total of 12 threads supported through multithreading. Built on a 10 nm semiconductor process, the chip is fully 64-bit compatible. Memory consists of 16GB of DDR5 RAM spread across two slots, with the system supporting a maximum of 32GB, while the integrated GPU operates at a base clock of 300 MHz and boosts up to 1250 MHz with DirectX 12 support. Storage is handled by a 512GB NVMe SSD connected via PCIe 4.0, using flash-based technology for fast read and write access.

Benchmarks:

Geekbench 6 result (multi) 8102
Geekbench 6 result (single) 2183
PassMark result 14242
PassMark result (single) 3327
Cinebench R20 (multi) result 3468
Cinebench R20 (single) result 652

In Geekbench 6, the processor scores 2183 in the single-core test and 8102 across multiple cores, reflecting its threaded workload capability. PassMark results follow a similar pattern, with a single-core score of 3327 and an overall PassMark result of 14242. Cinebench R20 rounds out the benchmark picture with a single-core result of 652 and a multi-core score of 3468, indicating solid sustained multi-threaded rendering throughput.

Connectivity:

USB 3.2 Gen 2 ports (USB-C) 1
USB 3.2 Gen 2 ports (USB-A) 2
USB 4 20Gbps ports 0
USB 4 40Gbps ports 1
Thunderbolt 4 ports 1
USB 3.2 Gen 1 ports (USB-C) 0
USB 3.2 Gen 1 ports (USB-A) 0
Thunderbolt 3 ports 0
has an HDMI output ✓
Has USB Type-C ✓
supports Wi-Fi ✓
Wi-Fi version Wi-Fi 6E (802.11ax), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
has an external memory slot ✕
RJ45 ports 0
HDMI ports 1
HDMI version HDMI 2.1
DisplayPort outputs 0
has AirPlay ✓
mini DisplayPort outputs 0
has a VGA connector ✕

The laptop offers a well-rounded port selection, including one Thunderbolt 4 port that also functions as a USB 4 40Gbps connection, one USB 3.2 Gen 2 Type-C port, and two USB 3.2 Gen 2 Type-A ports. Video output is handled by a single HDMI 2.1 port, while DisplayPort, mini DisplayPort, and VGA outputs are absent. There is no RJ45 Ethernet port or external memory slot. Wireless connectivity covers Wi-Fi 6E as well as Wi-Fi 6, Wi-Fi 5, and Wi-Fi 4, and AirPlay is supported.

Battery:

Has sleep-and-charge USB ports ✕
Has a MagSafe power adapter ✕

On the power side, the available specification data indicates that this laptop does not include sleep-and-charge USB ports, meaning connected devices cannot be charged while the system is powered off or in sleep mode. It also does not feature a MagSafe power adapter, so charging relies on a standard connection method.

Features:

has stereo speakers ✓
has a socket for a 3.5 mm audio jack ✓
has Dolby Atmos ✕
Stylus included ✕
Has a fingerprint scanner ✕
number of microphones 1
Uses 3D facial recognition ✕
has voice commands ✕
has a front camera ✓
Has S/PDIF Out port ✕
has a gyroscope ✕
has GPS ✕
has an accelerometer ✕
has a compass ✕
Has an optical disc drive ✕

Audio output is handled by stereo speakers, and a 3.5 mm headset jack is available for wired headphones or headsets, though there is no S/PDIF output or Dolby Atmos support. A single microphone is built in, and a front-facing camera is present, while the unit does not offer fingerprint scanning, 3D facial recognition, or voice command functionality. Motion and location sensing features are absent — there is no gyroscope, accelerometer, compass, or GPS. No stylus is included, and the laptop does not have an optical disc drive.

Miscellaneous:

clock multiplier 13
PassMark result (overclocked) 14251
GPU name Iris Xe Graphics 80EU
Type Laptop
Has an unlocked multiplier ✕
L2 cache 9.5 MB
L3 cache 12 MB
Has NX bit ✓
CPU temperature 100 °C
render output units (ROPs) 20
texture mapping units (TMUs) 40
shading units 640
OpenCL version 3
OpenGL version 4.6
GPU execution units 80
Has integrated graphics ✓
Supports ECC memory ✕
memory channels 2
Thermal Design Power (TDP) 15W
Uses big.LITTLE technology ✓
instruction sets SSE 4.2, SSE 4.1, AVX, AES, FMA3, F16C, MMX
RAM speed (max) 5200 MHz

The processor is a laptop-class chip with a clock multiplier of 13, a TDP of 15W, and a maximum operating temperature of 100 °C. It employs big.LITTLE technology for mixed-core operation and includes NX bit support, though the multiplier is locked, ruling out overclocking — the PassMark overclocked result of 14251 sits nearly level with the standard score. Cache consists of 9.5 MB of L2 and 12 MB of L3, and the supported instruction sets span SSE 4.1, SSE 4.2, AVX, AES, FMA3, F16C, and MMX. Memory runs across two channels with a maximum speed of 5200 MHz, and ECC memory is not supported. Graphics are handled by the integrated Intel Iris Xe Graphics 80EU, which features 640 shading units, 40 texture mapping units, 20 render output units, and 80 execution units, with support for OpenCL 3 and OpenGL 4.6.

Final Verdict

The Asus ExpertBook B3 B3404CVA presents a coherent package for business users whose daily workloads revolve around productivity, document handling, and multi-display setups. Its fanless design paired with Thunderbolt 4 connectivity gives it a clear identity as a quiet, desk-friendly professional machine capable of supporting demanding peripheral configurations. While its integrated graphics and the absence of biometric security options place natural limits on its appeal to more specialized users, the core specification set — DDR5 memory, NVMe storage, Wi-Fi 6E, and a 1920 x 1200 display — is well matched to the everyday demands of office and enterprise environments. For professionals seeking a low-noise, connectivity-capable laptop without the need for dedicated graphics or advanced authentication hardware, the ExpertBook B3 B3404CVA delivers a focused and purposeful set of capabilities.