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VAIO SX12 (VJS127)
VAIO's ultralight 12.5-inch laptop in the 2025 VJS127 series is shown in its Core 7 150U build with 32 GB of LPDDR4X, a 1 TB SSD and the Full HD anti-glare panel; a Core 5 120U with 16 GB is also offered. It weighs from about 899 g. Sold in Japan from 246,800 yen including tax.
Pros
- Very light at about 899 to 921 g and only 15.0 to 17.9 mm thick, with a carbon lid and aluminum palm rest
- 53 Wh battery that the maker rates at up to about 9.5 hours of video playback (JEITA 3.0)
- Two Thunderbolt 4 / USB4 USB-C ports plus two USB-A, HDMI, wired LAN and a headphone jack
- Full HD camera with privacy shutter, fingerprint reader and face authentication
- Optional 5G with nano-SIM and eSIM, and Wi-Fi 6E
Cons
- Memory is soldered LPDDR4X and cannot be upgraded
- No SD card slot, and the 16:9 Full HD panel is the only display option
- Maker does not publish display brightness
- Sold only in Japan with no US price, and the Core 7 150U is a 15 W chip from an older generation
Average
Computed from specs & benchmarks via our public methodology.
Performance uses the published results of the Intel Core 7 150U, because we have no benchmark result for this device itself yet.
Full specifications
Everything we track for the VAIO SX12 (VJS127)
Display
- Screen size
- 12.5 ″
- Panel type
- Anti-glare LCD, 16:9
- Resolution
- 1920x1080
Performance
- Processor
- Intel Core 7 150U
- Graphics
- Intel Graphics (integrated)
- RAM
- 32 GB
- RAM type
- LPDDR4X (soldered, dual-channel)
- Storage
- 1,000 GB
- Storage type
- PCIe x4 NVMe SSD
Battery
- Capacity
- 53 Wh
- Charging
- 65 W
Design
- Weight
- 0.9 kg
- Thickness
- 17.9 mm
- Material
- Carbon-based lid; aluminum palm rest over the keyboard area
Connectivity
- Ports
- 2x USB Type-C (Thunderbolt 4, USB4, USB Power Delivery, DisplayPort 1.4), USB 5Gbps Type-A with power output, USB 5Gbps Type-A, HDMI, Gigabit Ethernet (RJ-45), 3.5mm headphone/headset jack, security lock slot
- Wi-Fi
- Wi-Fi 6E (802.11ax)
- Bluetooth
- 5.3
- Webcam
- Full HD (2.07 MP) camera with physical privacy shutter
- Biometrics
- Fingerprint sensor in power button; Windows Hello face authentication
Software
- Operating system
- Windows 11 Home or Pro
Quick answers
Is the VAIO SX12 (VJS127) good in 2026?
The VAIO SX12 (VJS127) earns an Inno Score of 52.1/100 (“Average”) based on its specs and benchmark results. VAIO's ultralight 12.5-inch laptop in the 2025 VJS127 series is shown in its Core 7 150U build with 32 GB of LPDDR4X, a 1 TB SSD and the Full HD anti-glare panel; a Core 5 120U with 16 GB is also offered. It weighs from about 899 g. Sold in Japan from 246,800 yen including tax.
What are the key specs of the VAIO SX12 (VJS127)?
Processor: Intel Core 7 150U · RAM: 32 GB · Screen size: 12.5 ″ · Weight: 0.9 kg
What are the closest alternatives to the VAIO SX12 (VJS127)?
Its closest rivals on InnoReviews are HP OMEN 16 (2025), Lenovo ThinkPad X9 14 Gen 1 Aura Edition, Acer Aspire 14 AI (A14-I71M) — open the comparison pages for a spec-by-spec breakdown.
