Intel Atom C3950 vs Intel Atom Z3735D

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CPU comparison with benchmarks


Intel Atom C3950 CPU1 vs CPU2 Intel Atom Z3735D
Intel Atom C3950 Intel Atom Z3735D

CPU comparison

Intel Atom C3950 or Intel Atom Z3735D - 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 C3950 has 16 cores with 16 threads and clocks with a maximum frequency of 2.20 GHz. Up to 256 GB of memory is supported in 2 memory channels. The Intel Atom C3950 was released in Q3/2017.

The Intel Atom Z3735D has 4 cores with 4 threads and clocks with a maximum frequency of 1.83 GHz. The CPU supports up to 2 GB of memory in 1 memory channels. The Intel Atom Z3735D was released in Q1/2014.
Intel Atom (108) Family Intel Atom (108)
Intel Atom C3000 (20) CPU group Intel Atom Z3700 (16)
5 Generation 4
Denverton Architecture Bay Trail
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom C3950 has 16 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Atom C3950 is 1.70 GHz (2.20 GHz) while the Intel Atom Z3735D has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Atom Z3735D is at 1.33 GHz (1.83 GHz).
Intel Atom C3950 Characteristic Intel Atom Z3735D
16 Cores 4
16 Threads 4
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
1.70 GHz Frequency 1.33 GHz
2.20 GHz Turbo Frequency (1 Core) 1.83 GHz
2.20 GHz Turbo Frequency (All Cores) 1.83 GHz

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 C3950 Characteristic Intel Atom Z3735D
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Atom C3950 or Intel Atom Z3735D 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 Intel HD Graphics (Bay Trail GT1)
GPU frequency 0.31 GHz
-- GPU (Turbo) 0.65 GHz
-- GPU Generation 7
Technology 22 nm
Max. displays 2
-- Compute units 4
-- Shader 32
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 11.2

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.
no iGPU GPU Intel HD Graphics (Bay Trail GT1)
No Codec h265 / HEVC (8 bit) No
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 Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode

Memory & PCIe

The Intel Atom C3950 can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 38.4 GB/s. The Intel Atom Z3735D supports up to 2 GB of memory in 1 memory channels and achieves a memory bandwidth of up to 10.6 GB/s.
Intel Atom C3950 Characteristic Intel Atom Z3735D
DDR4-2400 Memory DDR3L-1333
256 GB Max. Memory 2 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
38.4 GB/s Max. Bandwidth 10.6 GB/s
Yes ECC No
16.00 MB L2 Cache --
-- L3 Cache 2.00 MB
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 C3950 is 24 W, while the Intel Atom Z3735D has a TDP of 4 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Atom C3950 Characteristic Intel Atom Z3735D
24 W TDP (PL1 / PBP) 4 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. --

Technical details

The Intel Atom C3950 is manufactured in 14 nm and has 16.00 MB cache. The Intel Atom Z3735D is manufactured in 22 nm and has a 2.00 MB cache.
Intel Atom C3950 Characteristic Intel Atom Z3735D
14 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2
BGA 1310 Socket --
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 10, Linux Operating systems
Q3/2017 Release date Q1/2014
389 $ Release price --
show more data show more data


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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 C3950 Intel Atom C3950
16C 16T @ 2.20 GHz
0 (0%)
Intel Atom Z3735D Intel Atom Z3735D
4C 4T @ 1.83 GHz
188 (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 Atom C3950 Intel Atom C3950
16C 16T @ 2.20 GHz
0 (0%)
Intel Atom Z3735D Intel Atom Z3735D
4C 4T @ 1.83 GHz
581 (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 Atom C3950 Intel Atom C3950
@ 0.00 GHz
0 (0%)
Intel Atom Z3735D Intel Atom Z3735D
Intel HD Graphics (Bay Trail GT1) @ 0.65 GHz
41 (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 Atom C3950 Intel Atom C3950
16C 16T @ 2.20 GHz
0 (0%)
Intel Atom Z3735D Intel Atom Z3735D
4C 4T @ 1.83 GHz
761 (100%)

Devices using this processor
Intel Atom C3950 Intel Atom Z3735D
Unknown Unknown

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