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💻 Pro Max 18 vs ThinkPad P16

AI-powered analysis across 41 matched specifications

Dell Pro Max 18 Plus (MB18250) mobile workstation in Magnetite — front view with 18-inch QHD+ 120 Hz display
Dell Pro Max 18 Plus
Dell
8.2
Overall Score
Teams wanting the biggest single-screen canvas in the class — an 18-inch QHD+ 120 Hz desktop replacement for CAD, colour and local-AI work that mostly stays on the desk, with four M.2 bays to 16 TB.
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Lenovo ThinkPad P16 Gen 3 mobile workstation in black — front view with 16-inch 16:10 WUXGA display
Lenovo ThinkPad P16 Gen 3
Lenovo
8.6
Overall Score
Buyers who need field portability, four-slot ECC-capable memory to 192 GB and vPro/5G fleet manageability in a lighter 16-inch workstation that still carries between site and studio.
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Performance Overview

Scores based on quantifiable specification values (1-10 scale)

DisplayGraphics & computeMemory & expandabilityStorage & I/OPortability & battery
Dell Pro Max 18 Plus
Lenovo ThinkPad P16 Gen 3
Display
Dell Pro Max 18 Plus
8.7
Lenovo ThinkPad P16 Gen 3
8.5
Graphics & compute
Dell Pro Max 18 Plus
8.7
Lenovo ThinkPad P16 Gen 3
8.6
Memory & expandability
Dell Pro Max 18 Plus
7.9
Lenovo ThinkPad P16 Gen 3
9.1
Storage & I/O
Dell Pro Max 18 Plus
8.6
Lenovo ThinkPad P16 Gen 3
8.5
Portability & battery
Dell Pro Max 18 Plus
7.3
Lenovo ThinkPad P16 Gen 3
8.4

Detailed Specifications

Specification
Dell Pro Max 18 Plus
Dell
Lenovo ThinkPad P16 Gen 3
Lenovo
At a Glance
Class18-inch mobile workstation (Pro Max 18 Plus, MB18250)16-inch mobile workstation (ThinkPad P16 Gen 3, Type 21RQ)
Stocked display18.0" QHD+ 2560×1600, 120 Hz, 500 nits16.0" WUXGA 1920×1200, 500 nits, anti-glare IPS
Stocked CPUIntel Core Ultra 7 265HX (20 cores)Core Ultra 9 275HX (24 cores) or 265HX (20 cores)
Stocked GPUNVIDIA RTX PRO 3000 12 GB or 2000 8 GB GDDR7NVIDIA RTX PRO 3000 12 GB GDDR7 ECC or 2000 8 GB
Starting weightFrom 3.25 kgFrom 2.54 kg
Chassis90% recycled magnesium (Magnetite)Black aluminium
Display & graphics
Panel size / ratio18.0" 16:1016.0" 16:10
Stocked resolutionQHD+ 2560×1600 (168 PPI)WUXGA 1920×1200
High refresh120 Hz standard40–120 Hz VRR on Tandem OLED option
Brightness (stocked)500 nits500 nits
Colour / HDR100% DCI-P3 typical, ComfortView PlusX-Rite calibrated; DisplayHDR 400 (WQUXGA) / 1500-nit HDR (OLED)
Optional panelsNone — single panelWQUXGA 3840×2400 800-nit; 3.2K Tandem OLED touch
Stocked GPURTX PRO 3000 Blackwell 12 GB GDDR7RTX PRO 3000 Blackwell 12 GB GDDR7 ECC
GPU ceiling (to order)RTX PRO 5000 24 GBRTX PRO 5000 24 GB (1824 TOPS)
Max external displays4 (lid disabled)5
Compute & memory
Top CPU optionCore Ultra 9 285HX (24C, to 5.5 GHz)Core Ultra 9 275HX (24C, to 5.4 GHz)
NPU13 TOPS (Intel AI Boost)Up to 13 TOPS (Intel AI Boost)
vPro Enterprise--Yes, on Core Ultra 7 265HX build
Memory type / slotsDDR5-6400, 2× CSoDIMM (+ factory CAMM2)DDR5-5600, 4× SO-DIMM
Stocked memory32 GB (both CSoDIMM slots used)32 or 64 GB (2 of 4 slots free)
Max memory96 GB CSoDIMM / 128 GB CAMM2 (256 GB Ultra 9-only)192 GB non-ECC
ECC memoryNo (non-ECC only)Yes — up to 128 GB ECC
Storage, I/O & connectivity
Stocked storage1 TB PCIe Gen4 self-encrypting NVMe1 TB Opal 2.0 NVMe
Drive slots4× M.2 2230/2280, RAID 0/1Up to 3× M.2 2280 (1× PCIe 5.0 + 2× PCIe 4.0), RAID 0/1/5
Max storageUp to 16 TBUp to 12 TB
Thunderbolt2× TB5 (80 Gbps) + 1× TB42× TB5 (80 Gbps) + 1× TB4
USB-A2× USB-A 3.2 Gen 1 (5 Gbps)2× USB-A (10 Gbps)
HDMIHDMI 2.1 FRLHDMI 2.1 (8K/60)
Wired network2.5GbE (Intel I226-LM)2.5GbE
Card readerSD Express 7.0SD Express 8.0
Wi-Fi / BluetoothWi-Fi 7 BE200 + BT 5.4Wi-Fi 7 BE200 + BT 5.4
5G WWANOptional (Snapdragon X72, to order)Optional 5G Sub-6 — fitted on stocked 265HX build
Power, chassis & security
Battery6-cell 96 Wh99.9 Wh
Fast chargeExpressCharge Boost 0–35% in 20 min; 2 h fullRapid Charge to 80% in 1 hour
Adapter280 W USB-C EPR180 W USB-C GaN
Footprint (W×D)402 × 280 mm362 × 252 mm
Thickness17.9–19.6 mm deck15.8–20.9 mm (29.8 mm max)
Camera8 MP HDR RGB + IR, privacy shutter5 MP IR, privacy shutter + human-presence
Biometrics / extrasFingerprint, smart card + NFC, ControlVault 3 Plus (FIPS 140-3 L3)Fingerprint, self-healing BIOS; smart card optional
TPMDiscrete TPM 2.0 (FIPS 140-2)Discrete TPM 2.0 (TCG, FIPS 140-2)
Operating systemsWindows 11 Pro (Home, Ubuntu 24.04 also)Windows 11 Pro (Home, Ubuntu, Fedora, RHEL 10 also)

Expert Analysis

Specs web-verified from manufacturer datasheets · Servnet-reviewed · Last reviewed 12 Jul 2026

These are two of the strongest 16-to-18-inch mobile workstations a UK team can buy in 2025/26, and they draw from the same NVIDIA RTX PRO Blackwell graphics range — stocked at the RTX PRO 3000 12 GB or 2000 8 GB and scaling to the RTX PRO 5000 24 GB on both. The real decision is not the GPU badge but the chassis philosophy behind it.

The Dell Pro Max 18 Plus is the desk-replacement. Its 18-inch QHD+ 120 Hz panel is the largest single canvas in the class, it fits four M.2 drives to 16 TB, and its 280 W adapter with three-fan cooling gives the most sustained-power headroom here — with serviceable USB-C modules and a FIPS 140-3 Level 3 ControlVault stack for fleets. The trade is bulk (from 3.25 kg on a 280 W brick) and a memory path that tops out at 96 GB in the customer-accessible CSoDIMM slots, with the 128 GB CAMM2 route needing a Dell-certified technician and no ECC anywhere.

The ThinkPad P16 Gen 3 is the more versatile fleet machine. It is lighter (from 2.54 kg), takes four SO-DIMMs to 192 GB with an ECC option and leaves two slots free on stocked builds, offers WQUXGA and Tandem OLED panels, and adds vPro Enterprise and factory-fitted 5G on its Core Ultra 7 build. For most UK buyers — engineering, AEC and data teams standardising on Intune and vPro who move between site and studio — the P16 is the safer all-rounder; choose the 18-inch Dell when screen size and four-drive storage are the point and the machine mostly stays on the desk.

Dell Pro Max 18 Plus
Teams wanting the biggest single-screen canvas in the class — an 18-inch QHD+ 120 Hz desktop replacement for CAD, colour and local-AI work that mostly stays on the desk, with four M.2 bays to 16 TB.
Lenovo ThinkPad P16 Gen 3
Buyers who need field portability, four-slot ECC-capable memory to 192 GB and vPro/5G fleet manageability in a lighter 16-inch workstation that still carries between site and studio.

Frequently asked questions

Which has the better screen for CAD and colour work?

Different philosophies. The Dell fits an 18-inch QHD+ (2560×1600) panel at 120 Hz, 500 nits and 100% DCI-P3 — the largest single canvas in the class, so timeline, viewport and reference all sit on one lid. The ThinkPad's stocked 16-inch WUXGA is smaller, but it can be optioned to a WQUXGA 800-nit or a 3.2K Tandem OLED touch panel, each X-Rite factory-calibrated, for colour-critical output.

Which one can hold more memory?

The ThinkPad P16, comfortably. It has four DDR5-5600 SO-DIMM slots reaching 192 GB non-ECC or 128 GB ECC, and stocked builds leave two slots free for a later upgrade. The Dell Pro Max uses two CSoDIMM slots to 96 GB (64 GB at launch) with no ECC; its 128 GB path runs through a separate CAMM2 subsystem that a Dell-certified technician must fit — not a customer swap.

Do they share the same NVIDIA graphics?

Yes. Both draw from NVIDIA's RTX PRO Blackwell workstation range, stocked at the RTX PRO 3000 (12 GB GDDR7) or RTX PRO 2000 (8 GB), and both scale to the RTX PRO 5000 with 24 GB to order. Lenovo specifies the 3000's memory as GDDR7 ECC. With a 280 W adapter and three-fan cooling in a larger chassis, the Dell has more power and thermal headroom for sustained GPU loads.

Which is more practical to carry between sites?

The ThinkPad. It starts at 2.54 kg against the Dell's 3.25 kg, is smaller (362 × 252 mm versus 402 × 280 mm) and charges from a lighter 180 W USB-C GaN adapter rather than the Dell's 280 W brick, with a slightly larger 99.9 Wh battery. The 18-inch Dell is a desk-replacement that travels occasionally; the 16-inch Lenovo is the one to move between site and studio daily.

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Dell Pro Max 18 Plus
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