Surface Book 3 15” vs. Surface Duo 2 - Detailed Specs Comparison
Here's what you need to know what's different between Surface Book 3 15” and Surface Duo 2 specs including CPU, RAM, storage, battery, display, and more.

The 2020 Surface Book 3 15” features the 15W 10th Generation Intel Ice Lake quad-core Intel Core i7-1065G7 with the boost speed up to 3.90 GHz. While the 2021 Surface Duo 2 features the 5W Qualcomm Snapdragon 8-core Qualcomm® Snapdragon™ 888 with the boost speed up to 2.84 GHz.
If you are in the market looking for a laptop and don't know what's the difference between the 15″ Surface Book 3 15” (2020) and the 8.3″ Surface Duo 2 (2021), we have a detailed tech specs comparison between both devices for you to check out here.
Surface Book 3 15” vs. Surface Duo 2: Specs Comparison
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| Key Features | ||
| What's new |
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| What's missing |
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| Display | Surface Book 3 15” | Surface Duo 2 |
| Size | 15 Inches | 8.3 Inches |
| Info |
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| Exterior | Surface Book 3 15” | Surface Duo 2 |
| Size Comparison | ||
| Dimensions | 13.5” x 9.87” x 0.568-0.90” (343 mm x 251 mm x 15 mm-23 mm) |
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| Weight |
| 0.62 lbs (284 g) |
| Colors | Platinum | Obsidian Glacier |
| Keyboard and Trackpad |
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| Ports |
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| Internal Specs | Surface Book 3 15” | Surface Duo 2 |
| Processor |
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| Integrated Graphics |
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| Discrete Graphics |
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| Memory | 16GB 32GB 3733 MHz LPDDR4x | 8GB DRAM LPDDR5 memory |
| Storage | 256 GB 512 GB 1 TB 2TB PCIe SSD | 128GB 256GB 512GB UFS 3.0 of internal storage |
| Connectivity | Surface Book 3 15” | Surface Duo 2 |
| Wi-Fi |
| Wi-Fi 6 802.11ax (2.4/5GHz) |
| Bluetooth |
| Bluetooth Wireless 5.1 technology |
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| Battery | Surface Book 3 15” | Surface Duo 2 |
| Size |
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| Battery Life | Up to 17.5 hours of typical device usage |
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| Power Supply | 127W Surface Power Supply with USB-A (7W) charging port. | 23W USB-C PD charger Supports Fast Charging. |
| Software | Surface Book 3 15” | Surface Duo 2 |
| OS |
| Android™ 11 3-years of software updates. |
| Built-in Apps | Microsoft Office 365 30-days trial |
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| Camera & Audio | Surface Book 3 15” | Surface Duo 2 |
| Camera |
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| Audio |
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| Misc | Surface Book 3 15” | Surface Duo 2 |
| Inking | Supports Surface Pen 4096 levels of pressure Tilt sensing Best in class latency Paper feel 0.1mm precision | Supports all in market generations of Surface Slim Pen, Surface Pen and Surface Hub 2 Pen 4096 levels of pressure Tilt sensing Best in class latency Paper feel 0.1mm precision magnetic storage |
| Sensors |
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| Security |
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| In the box |
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| Warranty | One-year limited hardware warranty |
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| More | Supports Surface Dial Supports both on-screen and off-screen interaction. |
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Here are the most frequently requested comparisons for Surface Book 3 15”:
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