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Slim 14 inch silver aluminium laptop with 2.8K OLED touchscreen

HP

HP ZBook Ultra G1a 14" 2.8K OLED Ryzen AI Max PRO 390 32 GB LPDDR5x

SKU CH-EF4H-SQJVH

A 14-inch 2.8K OLED touch mobile workstation with a 12-core Ryzen AI Max PRO 390, 32 GB LPDDR5x unified memory, Radeon 8050S graphics and a 50 TOPS NPU for local AI workloads

  • Screen size14 in (35.6 cm)
  • ProcessorAMD Ryzen AI Max
  • Graphics typeIntegrated Card
  • Operating systemWindows 11 Pro
  • Battery runtimeWhr
  • Wi-FiMediaTek Wi-Fi 7 MT7925 (2 × 2) and Bluetooth® 5.4 wireless
  • 12-core Ryzen AI Max PRO 390 hits 5.0 GHz boost
  • 32 GB LPDDR5x-8533 unified memory fuels GPU and NPU
  • 14″ 2.8K OLED touch covers 100 % DCI-P3 at 400 nits
  • Integrated Radeon 8050S graphics handle 3D render workloads
  • 50 TOPS NPU accelerates local AI inference

AMD Ryzen AI Max PRO 390 Mobile Workstation

The HP ZBook Ultra G1a is a 14-inch mobile workstation built for professionals who run complex AI workloads and graphic-intensive projects on the move. It combines a 12-core AMD Ryzen AI Max PRO 390 processor with 32 GB of onboard LPDDR5x-8533 MT/s unified memory. Integrated AMD Radeon 8050S graphics deliver discrete-like performance for simultaneous 3D modelling and rendering. Windows 11 Pro provides the operating environment.

Suited for Local LLM Work and Portable 3D Rendering

This device suits engineers and creators who need to run large language models locally using up to 50 TOPS NPU acceleration while away from a desk. The 2.8K OLED touch display covers 100% DCI-P3 at 400 nits for colour-critical review. Buyers who require a dedicated GPU for certified ISV applications or who need user-replaceable memory should consider other form factors.

32 GB Onboard LPDDR5x Unified Memory

The single specification that decides fit is the 32 GB LPDDR5x-8533 MT/s memory soldered to the mainboard. This pool is shared between the CPU, the Radeon 8050S iGPU, and the NPU, enabling the large-model and heavy-texture workflows the workstation targets. Because capacity cannot be upgraded after purchase, the buyer must confirm that 32 GB satisfies both current and projected dataset sizes.

How it compares

Measured against everything we stock in Business Notebook Computers, at today’s prices. Recalculated every night.

Price $2,106.99
Pricier than about 90% of the 1,620 comparable items (median $791.99).
Screen size 14 in (35.6 cm)
Lower than about 80% of the 1,569 comparable items (median 15.6 in).

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Specifications

Product
Brand nameHP
Part numberBN2U8UA#ABA
Product colorMeteor silver aliminium
Processor
ProcessorAMD Ryzen AI Max
Display
Screen size14 in (35.6 cm)
Graphics
Graphics typeIntegrated Card
Audio & video
Web camera5 MP IR camera
Connectivity
Wi-FiMediaTek Wi-Fi 7 MT7925 (2 × 2) and Bluetooth® 5.4 wireless card
Bluetooth supportBluetooth® 5.4
Ports & slots
Audio jacksAudio by Poly Studio, 4 integrated stereo speakers (1 W/8 ohm per speaker), discrete amplifiers, 2 integrated dual array digital microphones
Power
Battery runtimeWhr
Size & build
Overall dimensions12.29 × 8.45 × 0.71 in
Product weight3.46 lb (1.57 kg)
Software
Operating systemWindows 11 Pro

Questions about this item

Is the 32 GB LPDDR5x memory soldered or can it be upgraded later?

The 32 GB LPDDR5x-8533 MT/s memory is onboard and cannot be upgraded or replaced by the user.

What thermal limit appears first when the AMD Ryzen AI Max PRO 390 runs at 5.0 GHz boost across all 12 cores?

The 64 MB L3 cache and unified memory architecture share the same thermal envelope, so sustained all-core boost is limited by the thin 0.71 in chassis cooling capacity.

How loud are the fans and what is the surface temperature when the Radeon 8050S graphics run a 50 TOPS NPU workload all day?

The vapour-chamber cooling keeps the keyboard deck warm but not hot, while fan noise stays at a low office-friendly level during continuous AI workloads.

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