Intel Core i7-6770HQ vs Intel Atom Z2520

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CPU comparison with benchmarks


Intel Core i7-6770HQ CPU1 vs CPU2 Intel Atom Z2520
Intel Core i7-6770HQ Intel Atom Z2520

CPU comparison

In this CPU comparison, we compare the Intel Core i7-6770HQ and the Intel Atom Z2520 and use benchmarks to check which processor is faster.

We compare the Intel Core i7-6770HQ 4 core processor released in Q1/2016 with the Intel Atom Z2520 which has 2 CPU cores and was introduced in Q2/2013.
Intel Core i7 (298) Family Intel Atom (108)
Intel Core i 6000H (15) CPU group Intel Atom Z2500/Z2700 (3)
6 Generation 2
Skylake H Architecture Cloverview
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i7-6770HQ is a 4 core processor with a clock frequency of 2.60 GHz (3.50 GHz). The processor can compute 8 threads at the same time. The Intel Atom Z2520 clocks with 1.20 GHz, has 2 CPU cores and can calculate 4 threads in parallel.

Intel Core i7-6770HQ Characteristic Intel Atom Z2520
4 Cores 2
8 Threads 4
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.60 GHz Frequency 1.20 GHz
3.50 GHz Turbo Frequency (1 Core) --
3.20 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 Core i7-6770HQ Characteristic Intel Atom Z2520
-- 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 Iris Pro Graphics 580 GPU PowerVR SGX544 MP2
0.35 GHz GPU frequency 0.30 GHz
0.95 GHz GPU (Turbo) --
9 GPU Generation --
14 nm Technology 45nm
3 Max. displays 2
72 Compute units 4
576 Shader 8
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory --
12.0 DirectX Version 10.1

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 Iris Pro Graphics 580 GPU PowerVR SGX544 MP2
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 No
Decode / Encode Codec VP8 Decode
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 64 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i7-6770HQ, while the Intel Atom Z2520 supports a maximum of 2 GB of memory with a maximum memory bandwidth of 8.5 GB/s enabled.

Intel Core i7-6770HQ Characteristic Intel Atom Z2520
DDR4-2133 Memory LPDDR2-1066
64 GB Max. Memory 2 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
34.1 GB/s Max. Bandwidth 8.5 GB/s
No ECC No
-- L2 Cache 1.00 MB
6.00 MB L3 Cache --
3.0 PCIe version --
20 PCIe lanes --
19.7 GB/s PCIe Bandwidth --

Thermal Management

The Intel Core i7-6770HQ has a TDP of 45 W. The TDP of the Intel Atom Z2520 is --. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i7-6770HQ Characteristic Intel Atom Z2520
45 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 90 °C

Technical details

The Intel Core i7-6770HQ has 6.00 MB cache and is manufactured in 14 nm. The cache of Intel Atom Z2520 is at 1.00 MB. The processor is manufactured in 32 nm.

Intel Core i7-6770HQ Characteristic Intel Atom Z2520
14 nm Technology 32 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions MMX, SSE3, SSSE3
BGA 1440 Socket BGA
VT-x, VT-x EPT, VT-d Virtualization None
Yes AES-NI No
Windows 10, Linux Operating systems
Q1/2016 Release date Q2/2013
-- Release price --
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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 Core i7-6770HQ Intel Core i7-6770HQ
4C 8T @ 3.50 GHz
926 (100%)
Intel Atom Z2520 Intel Atom Z2520
2C 4T @ 1.20 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 Core i7-6770HQ Intel Core i7-6770HQ
4C 8T @ 3.20 GHz
3563 (100%)
Intel Atom Z2520 Intel Atom Z2520
2C 4T @ 1.20 GHz
0 (0%)

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 Core i7-6770HQ Intel Core i7-6770HQ
Intel Iris Pro Graphics 580 @ 0.95 GHz
1094 (100%)
Intel Atom Z2520 Intel Atom Z2520
PowerVR SGX544 MP2 @ 0.30 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 Core i7-6770HQ Intel Core i7-6770HQ
4C 8T @ 3.20 GHz
7110 (100%)
Intel Atom Z2520 Intel Atom Z2520
2C 4T @ 1.20 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i7-6770HQ Intel Core i7-6770HQ
4C 8T @ 3.50 GHz
148 (100%)
Intel Atom Z2520 Intel Atom Z2520
2C 4T @ 1.20 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i7-6770HQ Intel Core i7-6770HQ
4C 8T @ 3.20 GHz
692 (100%)
Intel Atom Z2520 Intel Atom Z2520
2C 4T @ 1.20 GHz
0 (0%)

Devices using this processor

Intel Core i7-6770HQ Intel Atom Z2520
Unknown Unknown

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