Intel Core M-5Y31 vs Qualcomm QCM6490

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CPU comparison with benchmarks


Intel Core M-5Y31 CPU1 vs CPU2 Qualcomm QCM6490
Intel Core M-5Y31 Qualcomm QCM6490

CPU comparison

Intel Core M-5Y31 or Qualcomm QCM6490 - 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 Intel Core M-5Y31 has 2 cores with 4 threads and clocks with a maximum frequency of 2.40 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core M-5Y31 was released in Q4/2014.

The Qualcomm QCM6490 has 8 cores with 8 threads and clocks with a maximum frequency of 2.71 GHz. The CPU supports up to GB of memory in 2 memory channels. The Qualcomm QCM6490 was released in Q4/2021.
Intel Core M (16) Family Qualcomm Snapdragon (104)
Intel Core M 5 (7) CPU group Qualcomm QCM6490 (1)
5 Generation 9
Broadwell Y Architecture Kryo 670
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core M-5Y31 is a 2 core processor with a clock frequency of 0.90 GHz (2.40 GHz). The Qualcomm QCM6490 has 8 CPU cores with a clock frequency of 2.71 GHz.

Intel Core M-5Y31 Characteristic Qualcomm QCM6490
2 Cores 8
4 Threads 8
normal Core architecture hybrid (Prime / big.LITTLE)
Yes Hyperthreading No
No Overclocking ? No
0.90 GHz (2.40 GHz) A-Core 2.71 GHz
1x Cortex-A78
-- B-Core 2.40 GHz
3x Cortex-A78

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.

Intel Core M-5Y31 Characteristic Qualcomm QCM6490
-- AI hardware Qualcomm AI engine
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

Intel HD Graphics 5300 GPU Qualcomm Adreno 643L
0.30 GHz GPU frequency 0.81 GHz
0.85 GHz GPU (Turbo) 0.81 GHz
8 GPU Generation --
14 nm Technology 6 nm
3 Max. displays 1
24 Compute units --
192 Shader 768
No Hardware Raytracing No
No Frame Generation No
16 GB Max. GPU Memory --
11.2 DirectX Version 12.0

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.

Intel HD Graphics 5300 GPU Qualcomm Adreno 643L
Decode Codec h265 / HEVC (8 bit) Decode / Encode
Decode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 Decode / Encode
Decode Codec VP8 Decode / Encode
No Codec AV1 No
Decode / Encode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The Intel Core M-5Y31 supports a maximum of 16 GB of memory in 2 memory channels. The Qualcomm QCM6490 can connect up to GB of memory in 2 memory channels.

Intel Core M-5Y31 Characteristic Qualcomm QCM6490
DDR3L-1600 Memory LPDDR5-6400, LPDDR4X-4266
16 GB Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 44.0 GB/s
No ECC No
-- L2 Cache --
4.00 MB L3 Cache --
2.0 PCIe version --
12 PCIe lanes --
6.0 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core M-5Y31 has a TDP of 4.5 W, that of the Qualcomm QCM6490 is --.

Intel Core M-5Y31 Characteristic Qualcomm QCM6490
4.5 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core M-5Y31 has a 4.00 MB cache, while the Qualcomm QCM6490 cache has a total of 0.00 MB.

Intel Core M-5Y31 Characteristic Qualcomm QCM6490
14 nm Technology 6 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv8-A (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions --
BGA 1234 Socket --
VT-x, VT-x EPT, VT-d Virtualization None
Yes AES-NI No
Operating systems Android
Q4/2014 Release date Q4/2021
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Core M-5Y31 (68%)
Qualcomm QCM6490 (100%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core M-5Y31 (45%)
Qualcomm QCM6490 (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.
Intel Core M-5Y31 Intel Core M-5Y31
2C 4T @ 2.40 GHz
612 (70%)
Qualcomm QCM6490 Qualcomm QCM6490
8C 8T @ 2.71 GHz
869 (100%)

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.
Intel Core M-5Y31 Intel Core M-5Y31
2C 4T @ 1.80 GHz
1162 (43%)
Qualcomm QCM6490 Qualcomm QCM6490
8C 8T @ 2.71 GHz
2705 (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.
Intel Core M-5Y31 Intel Core M-5Y31
2C 4T @ 2.40 GHz
722 (66%)
Qualcomm QCM6490 Qualcomm QCM6490
8C 8T @ 2.71 GHz
1097 (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.
Intel Core M-5Y31 Intel Core M-5Y31
2C 4T @ 1.80 GHz
1280 (47%)
Qualcomm QCM6490 Qualcomm QCM6490
8C 8T @ 2.71 GHz
2745 (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.
Intel Core M-5Y31 Intel Core M-5Y31
Intel HD Graphics 5300 @ 0.85 GHz
326 (26%)
Qualcomm QCM6490 Qualcomm QCM6490
Qualcomm Adreno 643L @ 0.81 GHz
1247 (100%)

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.
Intel Core M-5Y31 Intel Core M-5Y31
2C 4T @ 0.90 GHz
0 (0%)
Qualcomm QCM6490 Qualcomm QCM6490
8C 8T @ 2.71 GHz
673946 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core M-5Y31 Intel Core M-5Y31
2C 4T @ 1.80 GHz
1959 (100%)
Qualcomm QCM6490 Qualcomm QCM6490
8C 8T @ 2.71 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core M-5Y31 Intel Core M-5Y31
2C 4T @ 2.40 GHz
98 (100%)
Qualcomm QCM6490 Qualcomm QCM6490
8C 8T @ 2.71 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core M-5Y31 Intel Core M-5Y31
2C 4T @ 1.80 GHz
187 (100%)
Qualcomm QCM6490 Qualcomm QCM6490
8C 8T @ 2.71 GHz
0 (0%)

Devices using this processor

Intel Core M-5Y31 Qualcomm QCM6490
Unknown Fairphone 5

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