Computers / Laptops
ASUSMainstream laptop
Chromebook Plus CX34 (CX3402)
Released June 2024.8Press articlehelentech.jp/news-43946Read 16 October 2026HelenTech, 2024-06-18: the new Core i5-1335U ASUS Chromebook Plus CX34 has appeared at Best Buy. Last checked 16 October 2026.
- Screen size
- 14in
- Processor
- Intel Core i5-1335U
- GPU
- Intel Iris Xe Graphics
- Weight (published)
- 1.44kg
63 of 179 fields known.
At a glance
Ports
- 2 USB-C USB 3.2 Gen 1
- 2 USB-A USB 3.2 Gen 1
- HDMI 1.4
- 3.5 mm audio
General
- Model numbers
- CX3402CVA-I5128, CX3402CVA-I5128GR6Reviewpcworld.com/article/2642467/asus-chromebook-plus-cx34-review-3.htmlRead 16 October 2026Review spec list: Model number CX3402CVA-I5128, Core i5-1335U, 8GB RAM, 128GB universal flash storage.
- GTIN / EAN
- Not available
- Announced
- Not available
- Predecessor
- Not available
- Successor
- Not available
- Launch price (US)
- $4996Reviewpcworld.com/article/2642467/asus-chromebook-plus-cx34-review-3.htmlRead 16 October 2026Spec list price $499 at review time (April 2025). US price. US prices carry no sales tax.8Press articlehelentech.jp/news-43946Read 16 October 2026Best Buy price is $499 at the listing.9Reviewandroidpolice.com/asus-chromebook-plus-cx34-reviewRead 16 October 2026Lists $499 at Best Buy next to the review.10Press articlechromeunboxed.com/the-new-improved-asus-cx34-chromebook-plus-returns-to-349Read 16 October 2026The new model with the 13th-gen Core i5 and touch is a $499 device, usually $499 before discounts.
- Launch price (EU)
- Not available
- Colours
- Pearl White, Rocky Grey1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 2026Rocky Grey and Pearl White. The ASUS color rows for CX3402CVA read White and Rocky Grey.7Spec databasestarryhope.com/chromebooks/models/asus-chromebook-plus-cx34-cx3402cvaRead 16 October 2026Rock Grey and Pearl White per Starry Hope. ASUS writes Rocky Grey.
Chassis
Front and side, drawn to scale.
- Dimensions
- Width326.4Depth214.3Thickness (min)18.7Thickness (max)18.7mm(12.9 × 8.4 × 0.7 in)1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 202632.64 x 21.43 x 1.87 ~ 1.87 cm. One published thickness, stored as min and max.
- Weight (published)
- 1.44kg(3.2 lb)1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 2026Start from 1.44 kg (3.17 lbs). PCWorld lists 3.17 lbs.6Reviewpcworld.com/article/2642467/asus-chromebook-plus-cx34-review-3.htmlRead 16 October 20263.17 lbs and 0.74 by 12.9 by 8.4 inches, matching the ASUS tab.
- Lid material
- Plastic6Reviewpcworld.com/article/2642467/asus-chromebook-plus-cx34-review-3.htmlRead 16 October 2026Plastic exterior with a sheen. The reviewer notes lid flex.
Display
- Screen size
- 14in(35.6 cm)1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 202614.0-inch, same on every display line.
- Native resolution
- 1920 × 1080px1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 2026FHD (1920 x 1080) 16:9, same on every display line.
- Pixel density
- 157.4ppi
- Panel type
- IPS7Spec databasestarryhope.com/chromebooks/models/asus-chromebook-plus-cx34-cx3402cvaRead 16 October 2026Screen type IPS. HelenTech's report of the Best Buy sheet also says IPS.8Press articlehelentech.jp/news-43946Read 16 October 2026Reports the Best Buy sheet: 14-inch IPS, 1920x1080, 250 nits, anti-glare, touch.
- Backlight
- Not available
- Dimming zones
- Not available
- Panel part number
- Not available
- Screen surface
- Matte1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 2026Anti-glare display. PCWorld calls the finish matte.
- Touchscreen
- Yes3Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402Read 16 October 2026ASUS says touchscreen is an optional feature of the family. PCWorld confirms touch on CX3402CVA-I5128.6Reviewpcworld.com/article/2642467/asus-chromebook-plus-cx34-review-3.htmlRead 16 October 20267Spec databasestarryhope.com/chromebooks/models/asus-chromebook-plus-cx34-cx3402cvaRead 16 October 2026Core i5-1335U model is touch.
- Refresh rate modes
Width (px) Height (px) Maximum operating refresh (Hz) 1920 1080 60 - Max refresh rate
- 60Hz
- Adaptive sync
- Not available
- Gray-to-gray response time (claimed)
- Not available
- Native panel colour depth
- Not available
- Brightness (SDR, claimed)
- 250nits1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 2026250nits on every display line, with no HDR or peak qualifier. NTSC 45% is also listed and is not stored.
- Peak brightness (SDR outdoors, claimed)
- Not available
- Sustained brightness (HDR, claimed)
- Not available
- Peak brightness (HDR, claimed)
- Not available
- sRGB coverage (claimed)
- Not available
- DCI-P3 coverage (claimed)
- Not available
- Adobe RGB coverage (claimed)
- Not available
- HDR certification
- Not available
- Factory calibrated
- Not available
- Second display
- Not available
Processor
- Processor
- Intel Core i5-1335U1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 2026The ASUS global spec tab lists Intel Core i5-1335U 1.3 GHz, 12MB cache, up to 4.6 GHz, 10 cores, 12 threads, among seven processor options for the CX3402CVA and CX3402CBA columns. It does not map options to SKUs. The PCWorld review ties the i5-1335U to CX3402CVA-I5128.6Reviewpcworld.com/article/2642467/asus-chromebook-plus-cx34-review-3.htmlRead 16 October 2026
- Processor brand
- Intel1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 2026
- Core configuration
Core type Count Base clock (GHz) Max clock (GHz) Performance 2 1.3 4.6 Efficiency 8 Not available 3.4 - CPU cores
- 10
- Cores labelled performance
- 2
- Cores labelled efficiency
- 8
- Max boost clock
- 4.6GHz
- Sustained CPU power (configured)
- Not available
- Peak CPU power (configured)
- Not available
- Combined CPU and GPU power
- Not available
- NPU performance
- Not available
Graphics
- GPU
- Not available
- GPU brand
- Not available
- VRAM
- Not available
- Max GPU power (TGP)
- Not available
- Dynamic Boost
- Not available
- GPU boost clock
- Not available
- GPU switching
- Not available
- Integrated GPU
- Intel Iris Xe Graphics5Maker product pageintel.com/content/www/us/en/products/sku/232153/intel-core-i51335u-processor-12m-cache-up-to-4-60-ghz/specifications.htmlRead 16 October 2026Processor graphics are Intel Iris Xe Graphics (80 execution units). PCWorld lists Intel Iris Xe for the review unit. The ASUS tab names it only as Intel Graphics.
Memory
- Installed RAM
- 8GB6Reviewpcworld.com/article/2642467/asus-chromebook-plus-cx34-review-3.htmlRead 16 October 20268GB RAM for CX3402CVA-I5128.
- RAM speed
- Not available
- Memory channels
- Not available
- RAM upgrade
- Soldered1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 2026LPDDR5 on board, so it is soldered.
- Memory slots
- Not available
- RAM slots
- Not available
- Free RAM slots
- Not available
- Maximum supported RAM
- Not available
Storage
- Installed storage
- 128GB1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 2026128G UFS is one of the storage lines. PCWorld and Starry Hope tie 128 GB to CX3402CVA-I5128.6Reviewpcworld.com/article/2642467/asus-chromebook-plus-cx34-review-3.htmlRead 16 October 2026128GB (universal flash storage).
- Storage type
- UFS1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 2026UFS storage line.6Reviewpcworld.com/article/2642467/asus-chromebook-plus-cx34-review-3.htmlRead 16 October 2026
- Installed drive PCIe generation
- Not available
- Storage slots
- Not available
- M.2 slots
- Not available
- Free storage slots
- Not available
- Maximum slot PCIe generation
- Not available
Ports
- Ports
Type Version Count Maximum data rate (Gbps) DP Alt Mode USB-C USB 3.2 Gen 1 2 5 Yes USB-A USB 3.2 Gen 1 2 5 Not available HDMI HDMI 1.4 1 Not available Not available 3.5 mm audio Not available 1 Not available Not available - USB-C ports
- 2
- Thunderbolt
- Not available
- Highest HDMI version
- HDMI 1.4
- Card reader
- No
- Ethernet speed
- Not available
- Maximum USB-C charging input
- Not available
Wireless
- Wi-Fi
- Wi-Fi 6E1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 2026The second network line, for CX3402CVA, reads Wi-Fi 6E (802.11ax) (Triple band) 2*2 + Bluetooth 5.4. PCWorld also lists Wi-Fi 6E.6Reviewpcworld.com/article/2642467/asus-chromebook-plus-cx34-review-3.htmlRead 16 October 2026Networking: Bluetooth 5.3, Wi-Fi 6E. The Bluetooth version conflicts with the ASUS tab (5.4), so it is not stored.
- Wi-Fi bands
- 2.4 GHz, 5 GHz, 6 GHz1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 2026Triple band for the Wi-Fi 6E line is 2.4, 5 and 6 GHz.
- Wi-Fi module
- Not available
- Bluetooth
- Not available
Keyboard and touchpad
- Keyboard layouts
- Not available
- Key switches
- Not available
- Keyboard backlight
- None6Reviewpcworld.com/article/2642467/asus-chromebook-plus-cx34-review-3.htmlRead 16 October 2026The reviewer says the keyboard has no backlight and that the 2023 model had one. Starry Hope and a Slickdeals listing agree. A Best Buy sheet reported by HelenTech lists a backlit keyboard, so sources conflict. The reviewer's own unit is used.7Spec databasestarryhope.com/chromebooks/models/asus-chromebook-plus-cx34-cx3402cvaRead 16 October 2026Core i5-1335U model has no keyboard backlight.
- Numpad
- Not available
- Key travel
- 1.4mm1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 20261.4mm Key-travel.
- Pointing stick
- Not available
- Touchpad size
- Not available
- Touchpad mechanism
- Not available
Camera and audio
- IR face login
- Not available
- Webcam privacy
- Physical shutter1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 2026With privacy shutter.
- Built-in speaker drivers
- Not available
- Total speaker power
- Not available
- Audio features
- Not available
- Microphones
- Not available
Battery and power
- Battery energy
- 50Wh1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 202650WHrs, 3S1P, 3-cell Li-ion, on both columns.
- Claimed battery life
- Not available
- Adapter rated output
- 45W1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 2026TYPE-C, 45W AC Adapter, Output: 15V DC, 3A, 45W.
- Laptop charging connector
- USB-C1Maker product pageasus.com/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 2026Type-C adapter output, so the laptop end is USB-C.
- Charge 0 to 50 % (claimed)
- Not available
Cooling
We could not find any of these 4 fields. Show them
- Fans
- Not available
- Vapor chamber
- Not available
- Liquid metal
- Not available
- Power modes
- Not available
Security
We could not find any of these 4 fields. Show them
- Fingerprint
- Not available
- TPM
- Not available
- Remote management
- Not available
- Security lock slot
- Not available
Software
Measured display
We could not find any of these 12 fields. Show them
- Brightness (measured, centre)
- Not available
- Brightness (measured, average)
- Not available
- Contrast ratio (measured)
- Not available
- HDR peak brightness (measured)
- Not available
- sRGB coverage (measured)
- Not available
- DCI-P3 coverage (measured)
- Not available
- Colour accuracy (measured Delta E)
- Not available
- PWM flicker found
- Not available
- PWM frequency (measured)
- Not available
- PWM at or below brightness
- Not available
- Response black to white (measured)
- Not available
- Response grey to grey (measured)
- Not available
Measured performance
We could not find any of these 8 fields. Show them
- Cinebench 2024 single-core
- Not available
- Cinebench 2024 multi-core
- Not available
- Geekbench 6 single-core
- Not available
- Geekbench 6 multi-core
- Not available
- 3DMark Time Spy graphics
- Not available
- 3DMark Steel Nomad
- Not available
- SSD sequential read (measured)
- Not available
- Game frame rates
- Not available
Measured noise and temperature
We could not find any of these 9 fields. Show them
- Fan noise per mode
- Not available
- Max fan noise
- Not available
- Fan noise while gaming
- Not available
- Top surface under load
- Not available
- Bottom surface under load
- Not available
- Palm rest under load
- Not available
- CPU temperature in stress test
- Not available
- CPU clock in stress test
- Not available
- GPU temperature while gaming
- Not available
Measured battery and power
We could not find any of these 10 fields. Show them
- Battery runtime per test
- Not available
- Wi-Fi browsing runtime
- Not available
- Video runtime
- Not available
- Full charge time (measured)
- Not available
- Power draw idle
- Not available
- Power draw gaming
- Not available
- Power draw max
- Not available
- Sustained CPU power (measured)
- Not available
- GPU power while gaming (measured)
- Not available
- Weight (measured)
- Not available
Certifications
- Intel Evo
- Not available
- Copilot+ PC
- Not available
- Colour certifications
- Not available
- EPEAT
- Not available
In the box
- In the box
- Not available
Warranty
We could not find any of these 2 fields. Show them
- Manufacturer warranty (source market)
- Not available
- Warranty service
- Not available
Links
- Product page
- www.asus.com/us/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx34023Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402Read 16 October 2026
- Spec sheet
- www.asus.com/us/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspec2Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402/techspecRead 16 October 2026ASUS USA tech spec tab for the CX3402 family.
- Manual
- Not available
- EPREL registration number
- Not available
Compare with
Pick a laptop to see both side by side. Differences are marked yellow.
Variants
Each variant lists only what differs from the specs above.
| Model number | Colours |
|---|---|
| CX3402CVA-I5128 | Pearl White |
| CX3402CVA-I5128GR | Rocky Grey |
Sources
We read 10 sources for this laptop. The numbers match the markers in the sheet.
- Maker product pageasus.com/us/laptops/for-home/chromebook/asus-chromebook-plus-cx34-cx3402
- Maker product pagesupport.google.com/chrome/a/answer/6220366
- Press articlehelentech.jp/news-43946
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