UNISOC SC9863A vs Intel Atom Z3740

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CPU comparison with benchmarks


UNISOC SC9863A CPU1 vs CPU2 Intel Atom Z3740
UNISOC SC9863A Intel Atom Z3740

CPU comparison

UNISOC SC9863A or Intel Atom Z3740 - 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 UNISOC SC9863A has 8 cores with 8 threads and clocks with a maximum frequency of 1.20 GHz. Up to GB of memory is supported in 0 memory channels. The UNISOC SC9863A was released in Q2/2019.

The Intel Atom Z3740 has 4 cores with 4 threads and clocks with a maximum frequency of 1.86 GHz. The CPU supports up to 4 GB of memory in 2 memory channels. The Intel Atom Z3740 was released in Q3/2013.
UNISOC 4G (10) Family Intel Atom (108)
UNISOC 4G 28nm (2) CPU group Intel Atom Z3700 (16)
0 Generation 4
-- Architecture Bay Trail
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The UNISOC SC9863A has 8 CPU cores and can calculate 8 threads in parallel. The clock frequency of the UNISOC SC9863A is 1.20 GHz while the Intel Atom Z3740 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Atom Z3740 is at 1.33 GHz (1.86 GHz).

UNISOC SC9863A Characteristic Intel Atom Z3740
8 Cores 4
8 Threads 4
hybrid (big.LITTLE) Core architecture normal
No Hyperthreading No
No Overclocking ? No
1.20 GHz
4x Cortex-A55
A-Core 1.33 GHz (1.86 GHz)
1.60 GHz
4x Cortex-A55
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.

UNISOC SC9863A Characteristic Intel Atom Z3740
-- AI hardware --
-- AI specifications --

Internal Graphics

The UNISOC SC9863A or Intel Atom Z3740 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.

PowerVR GE8322 GPU Intel HD Graphics (Bay Trail GT1)
0.55 GHz GPU frequency 0.31 GHz
-- GPU (Turbo) 0.67 GHz
-- GPU Generation 7
20 nm Technology 22 nm
1 Max. displays 2
1 Compute units 4
-- Shader 32
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
10 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.

PowerVR GE8322 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 UNISOC SC9863A can use up to GB of memory in 0 memory channels. The maximum memory bandwidth is --. The Intel Atom Z3740 supports up to 4 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 17.1 GB/s.

UNISOC SC9863A Characteristic Intel Atom Z3740
LPDDR4X, LPDDR4, LPDDR3 Memory LPDDR3-1066
Max. Memory 4 GB
0 Memory channels 2 (Dual Channel)
-- Max. Bandwidth 17.1 GB/s
No ECC No
-- L2 Cache --
-- L3 Cache 2.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the UNISOC SC9863A is --, while the Intel Atom Z3740 has a TDP of 4 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

UNISOC SC9863A Characteristic Intel Atom Z3740
-- TDP (PL1 / PBP) 4 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 90 °C

Technical details

The UNISOC SC9863A is manufactured in 28 nm and has 0.00 MB cache. The Intel Atom Z3740 is manufactured in 22 nm and has a 2.00 MB cache.

UNISOC SC9863A Characteristic Intel Atom Z3740
28 nm Technology 22 nm
Unknown Chip design Monolithic
Armv8-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE4.1, SSE4.2
-- Socket BGA 1380
None Virtualization VT-x, VT-x EPT
No AES-NI Yes
Android Operating systems
Q2/2019 Release date Q3/2013
-- Release price --
show more data show more data


Rate these processors

Here you can rate the UNISOC SC9863A to help other visitors make their purchasing decisions. The average rating is 3.3 stars (3 ratings). Rate now:
Here you can rate the Intel Atom Z3740 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
UNISOC SC9863A (79%)
Intel Atom Z3740 (100%)
⌀ Multi core performance in 1 CPU benchmarks
UNISOC SC9863A (100%)
Intel Atom Z3740 (87%)

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.
UNISOC SC9863A UNISOC SC9863A
8C 8T @ 1.20 GHz
147 (79%)
Intel Atom Z3740 Intel Atom Z3740
4C 4T @ 1.86 GHz
187 (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.
UNISOC SC9863A UNISOC SC9863A
8C 8T @ 1.20 GHz
768 (100%)
Intel Atom Z3740 Intel Atom Z3740
4C 4T @ 1.33 GHz
665 (87%)

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.
UNISOC SC9863A UNISOC SC9863A
PowerVR GE8322 @ 0.55 GHz
35 (82%)
Intel Atom Z3740 Intel Atom Z3740
Intel HD Graphics (Bay Trail GT1) @ 0.67 GHz
43 (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.
UNISOC SC9863A UNISOC SC9863A
8C 8T @ 1.20 GHz
0 (0%)
Intel Atom Z3740 Intel Atom Z3740
4C 4T @ 1.86 GHz
142 (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.
UNISOC SC9863A UNISOC SC9863A
8C 8T @ 1.20 GHz
0 (0%)
Intel Atom Z3740 Intel Atom Z3740
4C 4T @ 1.33 GHz
300 (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.
UNISOC SC9863A UNISOC SC9863A
8C 8T @ 1.20 GHz
0 (0%)
Intel Atom Z3740 Intel Atom Z3740
4C 4T @ 1.33 GHz
639 (100%)

Devices using this processor

UNISOC SC9863A Intel Atom Z3740
Unknown Unknown

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