Atom N455 vs i7-6820HQ

VS

Aggregate performance score

Core i7-6820HQ
2015
4 cores / 8 threads, 45 Watt
4.29
+3475%
Atom N455
2010
1 core / 2 threads, 6 Watt
0.12

Core i7-6820HQ outperforms Atom N455 by a whopping 3475% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6820HQ and Atom N455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking13723352
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Atom
Power efficiency9.021.62
Architecture codenameSkylake (2015−2016)Pinetrail (2009−2011)
Release date1 September 2015 (9 years ago)1 June 2010 (14 years ago)
Launch price (MSRP)$378$64

Detailed specifications

Core i7-6820HQ and Atom N455 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)1 (Single-Core)
Threads82
Base clock speed2.7 GHz1.66 GHz
Boost clock speed3.6 GHz1.67 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s533 MHz
Multiplier27no data
L1 cache256 KB64 KB (per core)
L2 cache1 MB512K (per core)
L3 cache8 MB0 KB
Chip lithography14 nm45 nm
Die size122 mm266 mm2
Maximum core temperature100 °C100 °C
Number of transistorsno data123 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-6820HQ and Atom N455 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1
SocketFCBGA1440FCBGA559
Power consumption (TDP)45 Watt6.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6820HQ and Atom N455. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE2, Intel® SSE3, Intel® SSSE3
AES-NI+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology2.0-
Hyper-Threading Technology++
TSX+-
Idle States+no data
Thermal Monitoring++
Flex Memory Access+no data
SIPP+-
Smart Response+no data
Demand Based Switchingno data-

Security technologies

Core i7-6820HQ and Atom N455 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6820HQ and Atom N455 are enumerated here.

AMD-V+-
VT-d+-
VT-x+-
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6820HQ and Atom N455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR3
Maximum memory size64 GB2 GB
Max memory channels21
Maximum memory bandwidth34.134 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 530Intel GMA 3150
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.05 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-6820HQ and Atom N455 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i7-6820HQ and Atom N455 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i7-6820HQ and Atom N455 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i7-6820HQ and Atom N455.

PCIe version3.0no data
PCI Express lanes16no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i7-6820HQ 4.29
+3475%
Atom N455 0.12

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-6820HQ 6811
+3375%
Atom N455 196

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-6820HQ 1120
+2013%
Atom N455 53

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-6820HQ 3486
+4258%
Atom N455 80

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i7-6820HQ 5429
+863%
Atom N455 564

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i7-6820HQ 20868
+2318%
Atom N455 863

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-6820HQ 6866
+1301%
Atom N455 490

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i7-6820HQ 7.9
+1413%
Atom N455 119.5

Gaming performance

Pros & cons summary


Performance score 4.29 0.12
Integrated graphics card 2.60 0.01
Recency 1 September 2015 1 June 2010
Physical cores 4 1
Threads 8 2
Chip lithography 14 nm 45 nm
Power consumption (TDP) 45 Watt 6 Watt

i7-6820HQ has a 3475% higher aggregate performance score, 25900% faster integrated GPU, an age advantage of 5 years, 300% more physical cores and 300% more threads, and a 221.4% more advanced lithography process.

Atom N455, on the other hand, has 650% lower power consumption.

The Core i7-6820HQ is our recommended choice as it beats the Atom N455 in performance tests.


Should you still have questions on choice between Core i7-6820HQ and Atom N455, ask them in Comments section, and we shall answer.

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Intel Core i7-6820HQ
Core i7-6820HQ
Intel Atom N455
Atom N455

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Community ratings

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Questions & comments

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