Intel Atom C3958 vs Qualcomm Snapdragon 435

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CPU comparison with benchmarks


Intel Atom C3958 CPU1 vs CPU2 Qualcomm Snapdragon 435
Intel Atom C3958 Qualcomm Snapdragon 435

CPU comparison

Intel Atom C3958 or Qualcomm Snapdragon 435 - 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 Atom C3958 has 16 cores with 16 threads and clocks with a maximum frequency of 2.00 GHz. Up to 256 GB of memory is supported in 2 memory channels. The Intel Atom C3958 was released in Q3/2017.

The Qualcomm Snapdragon 435 has 8 cores with 8 threads and clocks with a maximum frequency of 1.40 GHz. The CPU supports up to 6 GB of memory in 2 memory channels. The Qualcomm Snapdragon 435 was released in Q4/2016.
Intel Atom (108) Family Qualcomm Snapdragon (102)
Intel Atom C3000 (20) CPU group Qualcomm Snapdragon 430 (2)
5 Generation 3
Denverton Architecture Cortex-A53
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom C3958 has 16 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Atom C3958 is 2.00 GHz while the Qualcomm Snapdragon 435 has 8 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Qualcomm Snapdragon 435 is at 1.40 GHz.

Intel Atom C3958 Characteristic Qualcomm Snapdragon 435
16 Cores 8
16 Threads 8
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
2.00 GHz Frequency 1.40 GHz
-- Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

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.

Intel Atom C3958 Characteristic Qualcomm Snapdragon 435
-- AI hardware Qualcomm AI engine
-- AI specifications Hexagon 536

Internal Graphics

The Intel Atom C3958 or Qualcomm Snapdragon 435 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.

no iGPU GPU Qualcomm Adreno 505
GPU frequency 0.45 GHz
-- GPU (Turbo) 0.45 GHz
-- GPU Generation 5
Technology 28 nm
Max. displays 0
-- Compute units --
-- Shader 48
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version 11

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.

no iGPU GPU Qualcomm Adreno 505
No Codec h265 / HEVC (8 bit) Decode
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The Intel Atom C3958 can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 38.4 GB/s. The Qualcomm Snapdragon 435 supports up to 6 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 12.8 GB/s.

Intel Atom C3958 Characteristic Qualcomm Snapdragon 435
DDR4-2400 Memory LPDDR3-1600
256 GB Max. Memory 6 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
38.4 GB/s Max. Bandwidth 12.8 GB/s
Yes ECC No
16.00 MB L2 Cache --
-- L3 Cache --
3.0 PCIe version --
16 PCIe lanes --
15.8 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Atom C3958 is 31 W, while the Qualcomm Snapdragon 435 has a TDP of --. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Atom C3958 Characteristic Qualcomm Snapdragon 435
31 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. --

Technical details

The Intel Atom C3958 is manufactured in 14 nm and has 16.00 MB cache. The Qualcomm Snapdragon 435 is manufactured in 28 nm and has a 0.00 MB cache.

Intel Atom C3958 Characteristic Qualcomm Snapdragon 435
14 nm Technology 28 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv8-A (64 bit)
SSE4.1, SSE4.2 ISA extensions --
BGA 1310 Socket --
VT-x, VT-x EPT, VT-d Virtualization None
Yes AES-NI No
Windows 10, Linux Operating systems Android
Q3/2017 Release date Q4/2016
449 $ Release price --
show more data show more data


Rate these processors

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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Atom C3958 (100%)
Qualcomm Snapdragon 435 (38%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Atom C3958 (100%)
Qualcomm Snapdragon 435 (25%)

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 Atom C3958 Intel Atom C3958
16C 16T @ 2.00 GHz
332 (100%)
Qualcomm Snapdragon 435 Qualcomm Snapdragon 435
8C 8T @ 1.40 GHz
127 (38%)

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 Atom C3958 Intel Atom C3958
16C 16T @ 2.00 GHz
4134 (100%)
Qualcomm Snapdragon 435 Qualcomm Snapdragon 435
8C 8T @ 1.40 GHz
672 (16%)

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 Atom C3958 Intel Atom C3958
16C 16T @ 2.00 GHz
4281 (100%)
Qualcomm Snapdragon 435 Qualcomm Snapdragon 435
8C 8T @ 1.40 GHz
1428 (33%)

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 Atom C3958 Intel Atom C3958
@ 0.00 GHz
0 (0%)
Qualcomm Snapdragon 435 Qualcomm Snapdragon 435
Qualcomm Adreno 505 @ 0.45 GHz
22 (100%)

Devices using this processor

Intel Atom C3958 Qualcomm Snapdragon 435
Unknown Unknown

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