Qualcomm Snapdragon X Elite (X1E-78-100) vs Intel Core Ultra 7 155UL

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CPU comparison with benchmarks


Qualcomm Snapdragon X Elite (X1E-78-100) CPU1 vs CPU2 Intel Core Ultra 7 155UL
Qualcomm Snapdragon X Elite (X1E-78-100) Intel Core Ultra 7 155UL

CPU comparison

Qualcomm Snapdragon X Elite (X1E-78-100) or Intel Core Ultra 7 155UL - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Qualcomm Snapdragon X Elite (X1E-78-100) has 12 cores with 12 threads and clocks with a maximum frequency of 3.40 GHz. Up to 64 GB of memory is supported in 8 memory channels. The Qualcomm Snapdragon X Elite (X1E-78-100) was released in Q2/2024.

The Intel Core Ultra 7 155UL has 12 cores with 14 threads and clocks with a maximum frequency of 4.80 GHz. The CPU supports up to 96 GB of memory in 2 memory channels. The Intel Core Ultra 7 155UL was released in Q2/2024.
Qualcomm Snapdragon X Elite (4) Family Intel Core Ultra 7 (10)
Qualcomm Snapdragon X Elite (4) CPU group Intel Core Ultra 100UL (5)
1 Generation 1
Oryon Architecture Meteor Lake PS
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Qualcomm Snapdragon X Elite (X1E-78-100) has 12 CPU cores and can calculate 12 threads in parallel. The clock frequency of the Qualcomm Snapdragon X Elite (X1E-78-100) is 1.00 GHz (3.40 GHz) while the Intel Core Ultra 7 155UL has 12 CPU cores and 14 threads can calculate simultaneously. The clock frequency of the Intel Core Ultra 7 155UL is at 1.70 GHz (4.80 GHz).

Qualcomm Snapdragon X Elite (X1E-78-100) Characteristic Intel Core Ultra 7 155UL
12 Cores 12
12 Threads 14
normal Core architecture hybrid (big.LITTLE)
No Hyperthreading Yes
No Overclocking ? No
1.00 GHz (3.40 GHz)
12x Oryon
A-Core 1.70 GHz (4.80 GHz)
2x Redwood Cove
-- B-Core 1.20 GHz (3.80 GHz)
8x Crestmont
-- C-Core 0.70 GHz (2.10 GHz)
2x Crestmont

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Qualcomm Snapdragon X Elite (X1E-78-100) Characteristic Intel Core Ultra 7 155UL
Qualcomm AI engine AI hardware Intel® AI Boost
Qualcomm Hexagon NPU @ 45 TOPS AI specifications Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT)
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Qualcomm Snapdragon X Elite (X1E-78-100) or Intel Core Ultra 7 155UL has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

Qualcomm Adreno X Elite/Plus GPU Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake)
1.00 GHz GPU frequency 0.60 GHz
-- GPU (Turbo) 1.95 GHz
-- GPU Generation --
4 nm Technology 5 nm
4 Max. displays 4
-- Compute units 64
-- Shader 512
No Hardware Raytracing Yes
No Frame Generation No
-- Max. GPU Memory 32 GB
12.2 DirectX Version 12.2

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

Qualcomm Adreno X Elite/Plus GPU Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake)
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 Decode
Decode Codec VP8 Decode
Decode / Encode Codec AV1 Decode / Encode
Decode / Encode Codec AVC Decode / Encode
Decode / Encode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The Qualcomm Snapdragon X Elite (X1E-78-100) can use up to 64 GB of memory in 8 memory channels. The maximum memory bandwidth is 133.9 GB/s. The Intel Core Ultra 7 155UL supports up to 96 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 89.6 GB/s.

Qualcomm Snapdragon X Elite (X1E-78-100) Characteristic Intel Core Ultra 7 155UL
LPDDR5X-8448 Memory DDR5-5600
64 GB Max. Memory 96 GB
8 (Octa Channel) Memory channels 2 (Dual Channel)
133.9 GB/s Max. Bandwidth 89.6 GB/s
No ECC No
42.00 MB L2 Cache 12.00 MB
-- L3 Cache --
4.0 PCIe version 4.0
-- PCIe lanes 20
-- PCIe Bandwidth 39.4 GB/s

Thermal Management

The thermal design power (TDP for short) of the Qualcomm Snapdragon X Elite (X1E-78-100) is 23 W, while the Intel Core Ultra 7 155UL has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Qualcomm Snapdragon X Elite (X1E-78-100) Characteristic Intel Core Ultra 7 155UL
23 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) 57 W
80 W TDP up 28 W
12 W TDP down 12 W
-- Tjunction max. 105 °C

Technical details

The Qualcomm Snapdragon X Elite (X1E-78-100) is manufactured in 4 nm and has 42.00 MB cache. The Intel Core Ultra 7 155UL is manufactured in 7 nm and has a 12.00 MB cache.

Qualcomm Snapdragon X Elite (X1E-78-100) Characteristic Intel Core Ultra 7 155UL
4 nm Technology 7 nm
Chiplet Chip design Chiplet
Armv8-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE4.1, SSE4.2, AVX2
-- Socket LGA 1851
None Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10/11 (ARM), Linux Operating systems Windows 11, Linux
Q2/2024 Release date Q2/2024
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Qualcomm Snapdragon X Elite (X1E-78-100) to help other visitors make their purchasing decisions. The average rating is 4.1 stars (9 ratings). Rate now:
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iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Qualcomm Snapdragon X Elite (X1E-78-100) Qualcomm Snapdragon X Elite (X1E-78-100)
Qualcomm Adreno X Elite/Plus @ 1.00 GHz
3800 (100%)
Intel Core Ultra 7 155UL Intel Core Ultra 7 155UL
Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) @ 1.95 GHz
1935 (51%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Qualcomm Snapdragon X Elite (X1E-78-100) Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 3.40 GHz
686 (100%)
Intel Core Ultra 7 155UL Intel Core Ultra 7 155UL
12C 14T @ 4.80 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Qualcomm Snapdragon X Elite (X1E-78-100) Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 1.00 GHz
7924 (100%)
Intel Core Ultra 7 155UL Intel Core Ultra 7 155UL
12C 14T @ 1.70 GHz
0 (0%)

AI performance (NPU)

The performance values of the processor's AI unit. The isolated NPU performance is given here, the total AI performance (NPU+CPU+iGPU) can be higher.

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
Qualcomm Snapdragon X Elite (X1E-78-100) Qualcomm Snapdragon X Elite (X1E-78-100)
12C 12T @ 1.00 GHz
45 (100%)
Intel Core Ultra 7 155UL Intel Core Ultra 7 155UL
12C 14T @ 1.70 GHz
0 (0%)

Devices using this processor

Qualcomm Snapdragon X Elite (X1E-78-100) Intel Core Ultra 7 155UL
Microsoft Surface Laptop 7 Unknown

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