Intel Atom Z3775D vs Intel Atom Z3785

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CPU comparison with benchmarks


Intel Atom Z3775D CPU1 vs CPU2 Intel Atom Z3785
Intel Atom Z3775D Intel Atom Z3785

CPU comparison

In this CPU comparison, we compare the Intel Atom Z3775D and the Intel Atom Z3785 and use benchmarks to check which processor is faster.

We compare the Intel Atom Z3775D 4 core processor released in Q1/2014 with the Intel Atom Z3785 which has 4 CPU cores and was introduced in Q2/2014.
Intel Atom (108) Family Intel Atom (108)
Intel Atom Z3700 (16) CPU group Intel Atom Z3700 (16)
4 Generation 4
Bay Trail Architecture Bay Trail
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom Z3775D is a 4 core processor with a clock frequency of 1.49 GHz (2.41 GHz). The processor can compute 4 threads at the same time. The Intel Atom Z3785 clocks with 1.49 GHz (2.41 GHz), has 4 CPU cores and can calculate 4 threads in parallel.

Intel Atom Z3775D Characteristic Intel Atom Z3785
4 Cores 4
4 Threads 4
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
1.49 GHz Frequency 1.49 GHz
2.41 GHz Turbo Frequency (1 Core) 2.41 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 Z3775D Characteristic Intel Atom Z3785
-- AI hardware --
-- 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.

Intel HD Graphics (Bay Trail GT1) GPU Intel HD Graphics (Bay Trail GT1)
0.31 GHz GPU frequency 0.31 GHz
0.79 GHz GPU (Turbo) 0.83 GHz
7 GPU Generation 7
22 nm Technology 22 nm
2 Max. displays 2
4 Compute units 4
32 Shader 32
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 2 GB
11.2 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.

Intel HD Graphics (Bay Trail GT1) GPU Intel HD Graphics (Bay Trail GT1)
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode

Memory & PCIe

Up to 2 GB of memory in a maximum of 1 memory channels is supported by the Intel Atom Z3775D, while the Intel Atom Z3785 supports a maximum of 4 GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled.

Intel Atom Z3775D Characteristic Intel Atom Z3785
DDR3L-1333 Memory LPDDR3-1333
2 GB Max. Memory 4 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
10.6 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache --
2.00 MB L3 Cache 2.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The Intel Atom Z3775D has a TDP of 4 W. The TDP of the Intel Atom Z3785 is 4 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Atom Z3775D Characteristic Intel Atom Z3785
4 W TDP (PL1 / PBP) 4 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
90 °C Tjunction max. 90 °C

Technical details

The Intel Atom Z3775D has 2.00 MB cache and is manufactured in 22 nm. The cache of Intel Atom Z3785 is at 2.00 MB. The processor is manufactured in 22 nm.

Intel Atom Z3775D Characteristic Intel Atom Z3785
22 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 1380 Socket BGA 1380
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Operating systems
Q1/2014 Release date Q2/2014
35 $ Release price --
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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 Z3775D Intel Atom Z3775D
Intel HD Graphics (Bay Trail GT1) @ 0.79 GHz
51 (95%)
Intel Atom Z3785 Intel Atom Z3785
Intel HD Graphics (Bay Trail GT1) @ 0.83 GHz
53 (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 Z3775D Intel Atom Z3775D
4C 4T @ 1.49 GHz
794 (100%)
Intel Atom Z3785 Intel Atom Z3785
4C 4T @ 1.49 GHz
0 (0%)

Devices using this processor

Intel Atom Z3775D Intel Atom Z3785
Unknown Unknown

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