Intel Atom Z3735E vs Apple A5X

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CPU comparison with benchmarks


Intel Atom Z3735E CPU1 vs CPU2 Apple A5X
Intel Atom Z3735E Apple A5X

CPU comparison

Intel Atom Z3735E or Apple A5X - 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 Z3735E has 4 cores with 4 threads and clocks with a maximum frequency of 1.83 GHz. Up to 1 GB of memory is supported in 1 memory channels. The Intel Atom Z3735E was released in Q1/2014.

The Apple A5X has 2 cores with 2 threads and clocks with a maximum frequency of 1.00 GHz. The CPU supports up to 1 GB of memory in 4 memory channels. The Apple A5X was released in Q1/2011.
Intel Atom (108) Family Apple A series (22)
Intel Atom Z3700 (16) CPU group Apple A5/A5X (2)
4 Generation 5
Bay Trail Architecture A5
Mobile Segment Mobile
-- Predecessor --
-- Successor Apple A6X

CPU Cores and Base Frequency

The Intel Atom Z3735E has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Atom Z3735E is 1.33 GHz (1.83 GHz) while the Apple A5X has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Apple A5X is at 1.00 GHz.

Intel Atom Z3735E Characteristic Apple A5X
4 Cores 2
4 Threads 2
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
1.33 GHz Frequency 1.00 GHz
1.83 GHz Turbo Frequency (1 Core) --
1.83 GHz 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 Z3735E Characteristic Apple A5X
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Atom Z3735E or Apple A5X 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.

Intel HD Graphics (Bay Trail GT1) GPU PowerVR SGX543MP4 (4 Cores)
0.31 GHz GPU frequency 0.20 GHz
0.65 GHz GPU (Turbo) --
7 GPU Generation --
22 nm Technology 45 nm
2 Max. displays 1
4 Compute units 8
32 Shader 64
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
11.2 DirectX Version 10

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 (Bay Trail GT1) GPU PowerVR SGX543MP4 (4 Cores)
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode Codec JPEG No

Memory & PCIe

The Intel Atom Z3735E can use up to 1 GB of memory in 1 memory channels. The maximum memory bandwidth is 10.6 GB/s. The Apple A5X supports up to 1 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 12.8 GB/s.

Intel Atom Z3735E Characteristic Apple A5X
DDR3L-1333 Memory LPDDR2-800
1 GB Max. Memory 1 GB
1 (Single Channel) Memory channels 4 (Quad Channel)
10.6 GB/s Max. Bandwidth 12.8 GB/s
No ECC No
-- L2 Cache 1.00 MB
2.00 MB L3 Cache --
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Atom Z3735E is 4 W, while the Apple A5X has a TDP of --. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Atom Z3735E Characteristic Apple A5X
4 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Atom Z3735E is manufactured in 22 nm and has 2.00 MB cache. The Apple A5X is manufactured in 32 nm and has a 1.00 MB cache.

Intel Atom Z3735E Characteristic Apple A5X
22 nm Technology 32 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv7-A (32 bit)
SSE4.1, SSE4.2 ISA extensions --
BGA 138 Socket --
VT-x, VT-x EPT Virtualization None
Yes AES-NI No
Operating systems iOS
Q1/2014 Release date Q1/2011
-- Release price --
show more data show more data


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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 Z3735E Intel Atom Z3735E
Intel HD Graphics (Bay Trail GT1) @ 0.65 GHz
41 (100%)
Apple A5X Apple A5X
PowerVR SGX543MP4 (4 Cores) @ 0.20 GHz
26 (62%)

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 Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
172 (100%)
Apple A5X Apple A5X
2C 2T @ 1.00 GHz
0 (0%)

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 Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
200 (100%)
Apple A5X Apple A5X
2C 2T @ 1.00 GHz
0 (0%)

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 Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
557 (100%)
Apple A5X Apple A5X
2C 2T @ 1.00 GHz
0 (0%)

Devices using this processor

Intel Atom Z3735E Apple A5X
Unknown Apple iPad 2 (3. Gen)

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