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Qualcomm Snapdragon X2 Elite X2E-78-100
The X2E-78-100 is the lowest-clocked 12-core Snapdragon X2 Elite, with six Oryon prime cores at 4.0 GHz and six Performance cores at 3.4 GHz on a 3 nm process. It has 34 MB of total cache, an Adreno X2-85 GPU at up to 1.35 GHz and an 80 TOPS NPU, and is used in Microsoft's Surface Pro and Surface Laptop 8th Edition.
Pros
- Twelve cores: six Oryon prime cores at 4.0 GHz plus six Performance cores at 3.4 GHz
- In review testing of a Surface Pro, Geekbench 6.7 scored about 3,290 single-core and 15,100 multi-core
- 80 TOPS Hexagon NPU for Copilot+ PC AI features
- 128-bit LPDDR5x-9523 memory with 152 GB/s of bandwidth and support for up to 128 GB
Cons
- Prime-core boost stops at 4.0 GHz and the GPU at 1.35 GHz, below the up-to-4.7 GHz CPU and 1.7 GHz GPU of the X2E-80-100
- Twelve cores versus 18 on the higher X2 Elite and X2 Elite Extreme versions
- In a Surface Pro review the CPU dropped from about 30 W to 18 W within minutes, which limits sustained performance
- Windows on Arm runs x86 desktop apps through emulation, so compatibility and speed vary by application
Good
Computed from specs & benchmarks via our public methodology.
Full specifications
Everything we track for the Qualcomm Snapdragon X2 Elite X2E-78-100
General
- Announced
- 2026
- Process
- 3 nm
Cores & Clocks
- Cores
- 12
- Performance cores
- 6
- Efficiency cores
- 6
- Threads
- 12
- Boost clock
- 4 GHz
- L3 cache
- 6 MB
Integrated GPU
- iGPU
- Qualcomm Adreno X2-85
- iGPU clock
- 1,350 MHz
Memory
- Memory support
- LPDDR5x-9523
- Max memory
- 128 GB
Benchmarks
- Geekbench 6 (single)
- 3,287Top 8%
- Geekbench 6 (multi)
- 15,102Top 21%
- Cinebench R23 (single)
- 1,400Bottom 19%
- Cinebench R23 (multi)
- 11,875Bottom 51%
- 3DMark Time Spy Graphics (iGPU)
- 2,605Top 32%
Devices with the Qualcomm Snapdragon X2 Elite X2E-78-100
3 devices in our catalog use this chip
Quick answers
Is the Qualcomm Snapdragon X2 Elite X2E-78-100 good in 2026?
The Qualcomm Snapdragon X2 Elite X2E-78-100 earns an Inno Score of 61.3/100 (“Good”) based on its specs and benchmark results. The X2E-78-100 is the lowest-clocked 12-core Snapdragon X2 Elite, with six Oryon prime cores at 4.0 GHz and six Performance cores at 3.4 GHz on a 3 nm process. It has 34 MB of total cache, an Adreno X2-85 GPU at up to 1.35 GHz and an 80 TOPS NPU, and is used in Microsoft's Surface Pro and Surface Laptop 8th Edition.
Which devices use the Qualcomm Snapdragon X2 Elite X2E-78-100?
3 devices in our catalog use the Qualcomm Snapdragon X2 Elite X2E-78-100: Surface Pro 13-inch (12th Edition), Microsoft Surface Laptop 15-inch (8th Edition), Microsoft Surface Laptop 13.8-inch (8th Edition).
What are the key specs of the Qualcomm Snapdragon X2 Elite X2E-78-100?
Cores: 12 · Threads: 12 · Boost clock: 4 GHz
What are the closest alternatives to the Qualcomm Snapdragon X2 Elite X2E-78-100?
Its closest rivals on InnoReviews are Qualcomm Snapdragon X2 Plus X2P-64-100, AMD Ryzen AI 7 PRO 350, Intel Core i9-13980HX — open the comparison pages for a spec-by-spec breakdown.
