Qualcomm Snapdragon 7c Gen 2 vs Intel Atom C3758

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CPU comparison with benchmarks


Qualcomm Snapdragon 7c Gen 2 CPU1 vs CPU2 Intel Atom C3758
Qualcomm Snapdragon 7c Gen 2 Intel Atom C3758

CPU comparison

In this CPU comparison, we compare the Qualcomm Snapdragon 7c Gen 2 and the Intel Atom C3758 and use benchmarks to check which processor is faster.

We compare the Qualcomm Snapdragon 7c Gen 2 8 core processor released in Q2/2021 with the Intel Atom C3758 which has 8 CPU cores and was introduced in Q3/2017.
Qualcomm Snapdragon (102) Family Intel Atom (108)
Qualcomm Snapdragon 7c (2) CPU group Intel Atom C3000 (20)
2 Generation 5
Kryo 468 Architecture Denverton
Mobile Segment Desktop / Server
Qualcomm Snapdragon 7c Predecessor --
Qualcomm Snapdragon 7c+ Gen 3 Successor --

CPU Cores and Base Frequency

The Qualcomm Snapdragon 7c Gen 2 is a 8 core processor with a clock frequency of 2.55 GHz. The processor can compute 8 threads at the same time. The Intel Atom C3758 clocks with 2.20 GHz, has 8 CPU cores and can calculate 8 threads in parallel.

Qualcomm Snapdragon 7c Gen 2 Characteristic Intel Atom C3758
8 Cores 8
8 Threads 8
hybrid (big.LITTLE) Core architecture normal
No Hyperthreading No
No Overclocking ? No
2.55 GHz
2x Kryo 468 Gold
A-Core 2.20 GHz
2.55 GHz
6x Kryo 468 Silver
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 Snapdragon 7c Gen 2 Characteristic Intel Atom C3758
Qualcomm AI engine AI hardware --
Hexagon 692 @ 5 TOPS AI specifications --

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 618 GPU no iGPU
0.70 GHz GPU frequency --
-- GPU (Turbo) --
6 GPU Generation --
14 nm Technology
2 Max. displays
-- Compute units --
128 Shader --
No Hardware Raytracing No
No Frame Generation No
4 GB Max. GPU Memory --
12.1 DirectX Version --

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 618 GPU no iGPU
Decode Codec h265 / HEVC (8 bit) No
Decode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode Codec VP9 No
Decode Codec VP8 No
No Codec AV1 No
Decode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 16 GB of memory in a maximum of 2 memory channels is supported by the Qualcomm Snapdragon 7c Gen 2, while the Intel Atom C3758 supports a maximum of 256 GB of memory with a maximum memory bandwidth of 38.4 GB/s enabled.

Qualcomm Snapdragon 7c Gen 2 Characteristic Intel Atom C3758
LPDDR4X-4266 Memory DDR4-2400
16 GB Max. Memory 256 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
17.1 GB/s Max. Bandwidth 38.4 GB/s
No ECC Yes
-- L2 Cache 16.00 MB
-- L3 Cache --
-- PCIe version 3.0
-- PCIe lanes 16
-- PCIe Bandwidth 15.8 GB/s

Thermal Management

The Qualcomm Snapdragon 7c Gen 2 has a TDP of --. The TDP of the Intel Atom C3758 is 25 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Qualcomm Snapdragon 7c Gen 2 Characteristic Intel Atom C3758
-- TDP (PL1 / PBP) 25 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The Qualcomm Snapdragon 7c Gen 2 has 0.00 MB cache and is manufactured in 8 nm. The cache of Intel Atom C3758 is at 16.00 MB. The processor is manufactured in 14 nm.

Qualcomm Snapdragon 7c Gen 2 Characteristic Intel Atom C3758
8 nm Technology 14 nm
Chiplet Chip design Monolithic
Armv8-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE4.1, SSE4.2
-- Socket BGA 1310
None Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Android Operating systems Windows 10, Linux
Q2/2021 Release date Q3/2017
-- Release price 193 $
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Qualcomm Snapdragon 7c Gen 2 (100%)
Intel Atom C3758 (63%)
⌀ Multi core performance in 2 CPU benchmarks
Qualcomm Snapdragon 7c Gen 2 (79%)
Intel Atom C3758 (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 Snapdragon 7c Gen 2 Qualcomm Snapdragon 7c Gen 2
8C 8T @ 2.55 GHz
553 (100%)
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
349 (63%)

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 Snapdragon 7c Gen 2 Qualcomm Snapdragon 7c Gen 2
8C 8T @ 2.55 GHz
1629 (62%)
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
2612 (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.
Qualcomm Snapdragon 7c Gen 2 Qualcomm Snapdragon 7c Gen 2
8C 8T @ 2.55 GHz
4557 (96%)
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
4750 (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 Snapdragon 7c Gen 2 Qualcomm Snapdragon 7c Gen 2
Qualcomm Adreno 618 @ 0.70 GHz
358 (100%)
Intel Atom C3758 Intel Atom C3758
@ 0.00 GHz
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 Snapdragon 7c Gen 2 Qualcomm Snapdragon 7c Gen 2
8C 8T @ 2.55 GHz
5 (100%)
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
0 (0%)

Devices using this processor

Qualcomm Snapdragon 7c Gen 2 Intel Atom C3758
Unknown Unknown

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