Qualcomm QCM6490 vs Qualcomm Snapdragon X Elite (X1E-84-100)

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Note: The information shown below is based on a pre-sample. Technical details or benchmark results may be different in the final version of this processor.

CPU comparison with benchmarks


Qualcomm QCM6490 CPU1 vs CPU2 Qualcomm Snapdragon X Elite (X1E-84-100)
Qualcomm QCM6490 Qualcomm Snapdragon X Elite (X1E-84-100)

CPU comparison

In this CPU comparison, we compare the Qualcomm QCM6490 and the Qualcomm Snapdragon X Elite (X1E-84-100) and use benchmarks to check which processor is faster.

We compare the Qualcomm QCM6490 8 core processor released in Q4/2021 with the Qualcomm Snapdragon X Elite (X1E-84-100) which has 12 CPU cores and was introduced in Q2/2024.
Qualcomm Snapdragon (102) Family Qualcomm Snapdragon X Elite (3)
Qualcomm QCM6490 (1) CPU group Qualcomm Snapdragon X Elite (3)
9 Generation 1
Kryo 670 Architecture Oryon
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Qualcomm QCM6490 is a 8 core processor with a clock frequency of 2.71 GHz. The processor can compute 8 threads at the same time. The Qualcomm Snapdragon X Elite (X1E-84-100) clocks with 1.00 GHz (4.20 GHz), has 12 CPU cores and can calculate 12 threads in parallel.

Qualcomm QCM6490 Characteristic Qualcomm Snapdragon X Elite (X1E-84-100)
8 Cores 12
8 Threads 12
hybrid (Prime / big.LITTLE) Core architecture normal
No Hyperthreading No
No Overclocking ? No
2.71 GHz
1x Cortex-A78
A-Core 1.00 GHz (4.20 GHz)
12x Oryon
2.40 GHz
3x Cortex-A78
B-Core --

Artificial Intelligence and Machine Learning

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. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Qualcomm QCM6490 Characteristic Qualcomm Snapdragon X Elite (X1E-84-100)
Qualcomm AI engine AI hardware Qualcomm AI engine
-- AI specifications Qualcomm Hexagon NPU @ 45 TOPS

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Qualcomm Adreno 643L GPU Qualcomm Adreno X Elite/Plus
0.81 GHz GPU frequency 1.20 GHz
0.81 GHz GPU (Turbo) --
-- GPU Generation --
6 nm Technology 4 nm
1 Max. displays 4
-- Compute units --
768 Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
12.0 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 643L GPU Qualcomm Adreno X Elite/Plus
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 / Encode Codec VP9 Decode
Decode / Encode Codec VP8 Decode
No Codec AV1 Decode / Encode
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode / Encode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to GB of memory in a maximum of 2 memory channels is supported by the Qualcomm QCM6490, while the Qualcomm Snapdragon X Elite (X1E-84-100) supports a maximum of 64 GB of memory with a maximum memory bandwidth of 135.2 GB/s enabled.

Qualcomm QCM6490 Characteristic Qualcomm Snapdragon X Elite (X1E-84-100)
LPDDR5-6400, LPDDR4X-4266 Memory LPDDR5X-8533
Max. Memory 64 GB
2 (Dual Channel) Memory channels 8 (Octa Channel)
44.0 GB/s Max. Bandwidth 135.2 GB/s
No ECC No
-- L2 Cache 42.00 MB
-- L3 Cache --
-- PCIe version 4.0
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The Qualcomm QCM6490 has a TDP of --. The TDP of the Qualcomm Snapdragon X Elite (X1E-84-100) is 23 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Qualcomm QCM6490 Characteristic Qualcomm Snapdragon X Elite (X1E-84-100)
-- TDP (PL1 / PBP) 23 W
-- TDP (PL2) --
-- TDP up 80 W
-- TDP down 12 W
-- Tjunction max. --

Technical details

The Qualcomm QCM6490 has 0.00 MB cache and is manufactured in 6 nm. The cache of Qualcomm Snapdragon X Elite (X1E-84-100) is at 42.00 MB. The processor is manufactured in 4 nm.

Qualcomm QCM6490 Characteristic Qualcomm Snapdragon X Elite (X1E-84-100)
6 nm Technology 4 nm
Chiplet Chip design Chiplet
Armv8-A (64 bit) Instruction set (ISA) Armv8-A (64 bit)
-- ISA extensions --
-- Socket --
None Virtualization None
No AES-NI Yes
Android Operating systems Windows 10/11 (ARM), Linux
Q4/2021 Release date Q2/2024
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Qualcomm QCM6490 (34%)
Qualcomm Snapdragon X Elite (X1E-84-100) (100%)
⌀ Multi core performance in 1 CPU benchmarks
Qualcomm QCM6490 (18%)
Qualcomm Snapdragon X Elite (X1E-84-100) (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Qualcomm QCM6490 Qualcomm QCM6490
8C 8T @ 2.71 GHz
1097 (34%)
Qualcomm Snapdragon X Elite (X1E-84-100) Qualcomm Snapdragon X Elite (X1E-84-100)
12C 12T @ 4.20 GHzNot verified
3218 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Qualcomm QCM6490 Qualcomm QCM6490
8C 8T @ 2.71 GHz
2745 (18%)
Qualcomm Snapdragon X Elite (X1E-84-100) Qualcomm Snapdragon X Elite (X1E-84-100)
12C 12T @ 3.80 GHzNot verified
15211 (100%)

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 QCM6490 Qualcomm QCM6490
Qualcomm Adreno 643L @ 0.81 GHz
1247 (27%)
Qualcomm Snapdragon X Elite (X1E-84-100) Qualcomm Snapdragon X Elite (X1E-84-100)
Qualcomm Adreno X Elite/Plus @ 1.20 GHzNot verified
4600 (100%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Qualcomm QCM6490 Qualcomm QCM6490
8C 8T @ 2.71 GHz
0 (0%)
Qualcomm Snapdragon X Elite (X1E-84-100) Qualcomm Snapdragon X Elite (X1E-84-100)
12C 12T @ 4.20 GHzNot verified
132 (100%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Qualcomm QCM6490 Qualcomm QCM6490
8C 8T @ 2.71 GHz
0 (0%)
Qualcomm Snapdragon X Elite (X1E-84-100) Qualcomm Snapdragon X Elite (X1E-84-100)
12C 12T @ 4.20 GHzNot verified
1220 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Qualcomm QCM6490 Qualcomm QCM6490
8C 8T @ 2.71 GHz
869 (100%)
Qualcomm Snapdragon X Elite (X1E-84-100) Qualcomm Snapdragon X Elite (X1E-84-100)
12C 12T @ 4.20 GHzNot verified
0 (0%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Qualcomm QCM6490 Qualcomm QCM6490
8C 8T @ 2.71 GHz
2705 (100%)
Qualcomm Snapdragon X Elite (X1E-84-100) Qualcomm Snapdragon X Elite (X1E-84-100)
12C 12T @ 3.80 GHzNot verified
0 (0%)

AnTuTu 10 Benchmark

The AnTuTu 10 benchmark is one of the best-known benchmarks for mobile processors, which is now available in version 10. There is a version for Android-based smartphones and tablets, as well as a version for Apple mobile devices, i.e. iPhones and iPads.

The Antutu 10 benchmark has 3 phases. In the first phase, the device's RAM is tested, in phase 2 the graphics are tested and in the final phase the entire device is pushed to its performance limits by rendering 3D graphics.

Antutu 10 is therefore ideal for comparing the performance of different devices.
Qualcomm QCM6490 Qualcomm QCM6490
8C 8T @ 2.71 GHz
673946 (100%)
Qualcomm Snapdragon X Elite (X1E-84-100) Qualcomm Snapdragon X Elite (X1E-84-100)
12C 12T @ 1.00 GHzNot verified
0 (0%)

Performance for Artificial Intelligence (AI) and Machine Learning (ML)

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 QCM6490 Qualcomm QCM6490
8C 8T @ 2.71 GHz
0 (0%)
Qualcomm Snapdragon X Elite (X1E-84-100) Qualcomm Snapdragon X Elite (X1E-84-100)
12C 12T @ 1.00 GHzNot verified
45 (100%)

Devices using this processor

Qualcomm QCM6490 Qualcomm Snapdragon X Elite (X1E-84-100)
Fairphone 5 Unknown

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