Intel Atom Z3775D vs Intel Core i7-6970HQ

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CPU comparison with benchmarks


Intel Atom Z3775D CPU1 vs CPU2 Intel Core i7-6970HQ
Intel Atom Z3775D Intel Core i7-6970HQ

CPU comparison

In this CPU comparison, we compare the Intel Atom Z3775D and the Intel Core i7-6970HQ 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 Core i7-6970HQ which has 4 CPU cores and was introduced in Q1/2016.
Intel Atom (108) Family Intel Core i7 (298)
Intel Atom Z3700 (16) CPU group Intel Core i 6000H (15)
4 Generation 6
Bay Trail Architecture Skylake H
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 Core i7-6970HQ clocks with 2.80 GHz (3.70 GHz), has 4 CPU cores and can calculate 8 threads in parallel.

Intel Atom Z3775D Characteristic Intel Core i7-6970HQ
4 Cores 4
4 Threads 8
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.49 GHz Frequency 2.80 GHz
2.41 GHz Turbo Frequency (1 Core) 3.70 GHz
-- Turbo Frequency (All Cores) 3.30 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 Z3775D Characteristic Intel Core i7-6970HQ
-- 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 Iris Pro Graphics 580
0.31 GHz GPU frequency 0.35 GHz
0.79 GHz GPU (Turbo) 1.05 GHz
7 GPU Generation 9
22 nm Technology 14 nm
2 Max. displays 3
4 Compute units 72
32 Shader 576
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 32 GB
11.2 DirectX Version 12.0

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 Iris Pro Graphics 580
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 Decode
No Codec VP8 Decode / Encode
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode / Encode

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 Core i7-6970HQ supports a maximum of 64 GB of memory with a maximum memory bandwidth of 34.1 GB/s enabled.

Intel Atom Z3775D Characteristic Intel Core i7-6970HQ
DDR3L-1333 Memory DDR4-2133
2 GB Max. Memory 64 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
10.6 GB/s Max. Bandwidth 34.1 GB/s
No ECC No
-- L2 Cache --
2.00 MB L3 Cache 8.00 MB
-- PCIe version 3.0
-- PCIe lanes 20
-- PCIe Bandwidth 19.7 GB/s

Thermal Management

The Intel Atom Z3775D has a TDP of 4 W. The TDP of the Intel Core i7-6970HQ is 45 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Atom Z3775D Characteristic Intel Core i7-6970HQ
4 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 35 W
90 °C Tjunction max. 100 °C

Technical details

The Intel Atom Z3775D has 2.00 MB cache and is manufactured in 22 nm. The cache of Intel Core i7-6970HQ is at 8.00 MB. The processor is manufactured in 14 nm.

Intel Atom Z3775D Characteristic Intel Core i7-6970HQ
22 nm Technology 14 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, AVX2
BGA 1380 Socket BGA 1440
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Operating systems Windows 10, Linux
Q1/2014 Release date Q1/2016
35 $ Release price 623 $
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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 (4%)
Intel Core i7-6970HQ Intel Core i7-6970HQ
Intel Iris Pro Graphics 580 @ 1.05 GHz
1210 (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 Core i7-6970HQ Intel Core i7-6970HQ
4C 8T @ 3.30 GHz
0 (0%)

Devices using this processor

Intel Atom Z3775D Intel Core i7-6970HQ
Unknown Unknown

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