Intel Atom x7-Z8700 vs Intel Core i7-820QM

Comparative analysis of Intel Atom x7-Z8700 and Intel Core i7-820QM processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

Intel Atom x7-Z8700

Intel Core i7-820QM

Differences

Reasons to consider the Intel Atom x7-Z8700

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm

Manufacturing process technology	14 nm vs 45 nm

Reasons to consider the Intel Core i7-820QM

4 more threads: 8 vs 4
Around 28% higher clock speed: 3.06 GHz vs 2.40 GHz
Around 11% higher maximum core temperature: 100°C vs 90°C
Around 56% better performance in PassMark - Single thread mark: 1014 vs 650
Around 34% better performance in PassMark - CPU mark: 1775 vs 1324
Around 73% better performance in Geekbench 4 - Single Core: 381 vs 220
Around 57% better performance in Geekbench 4 - Multi-Core: 1185 vs 753
Around 57% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.276 vs 2.722
2.3x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 20.687 vs 8.996
Around 92% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.267 vs 0.139

Specifications (specs)
Number of threads	8 vs 4
Maximum frequency	3.06 GHz vs 2.40 GHz
Maximum core temperature	100°C vs 90°C
Benchmarks
PassMark - Single thread mark	1014 vs 650
PassMark - CPU mark	1775 vs 1324
Geekbench 4 - Single Core	381 vs 220
Geekbench 4 - Multi-Core	1185 vs 753
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.276 vs 2.722
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	20.687 vs 8.996
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.267 vs 0.139

Compare benchmarks

CPU 1: Intel Atom x7-Z8700
CPU 2: Intel Core i7-820QM

PassMark - Single thread mark

CPU 1

CPU 2

650

1014

PassMark - CPU mark

CPU 1

CPU 2

1324

1775

Geekbench 4 - Single Core

CPU 1

CPU 2

220

381

Geekbench 4 - Multi-Core

CPU 1

CPU 2

753

1185

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

2.722

4.276

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

8.996

20.687

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.139

0.267

Name	Intel Atom x7-Z8700	Intel Core i7-820QM
PassMark - Single thread mark	650	1014
PassMark - CPU mark	1324	1775
Geekbench 4 - Single Core	220	381
Geekbench 4 - Multi-Core	753	1185
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.722	4.276
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	8.996	20.687
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.139	0.267
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.519
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	1.665
GFXBench 4.0 - Car Chase Offscreen (Frames)	627
GFXBench 4.0 - Manhattan (Frames)	974
GFXBench 4.0 - T-Rex (Frames)	1754
GFXBench 4.0 - Car Chase Offscreen (Fps)	627
GFXBench 4.0 - Manhattan (Fps)	974
GFXBench 4.0 - T-Rex (Fps)	1754

Compare specifications (specs)

	Intel Atom x7-Z8700	Intel Core i7-820QM
Essentials
Architecture codename	Cherry Trail	Clarksfield
Launch date	Q1'15	23 September 2009
Place in performance rating	2807	2815
Processor Number	x7-Z8700	i7-820QM
Series	Intel® Atom™ Processor X Series	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Mobile	Mobile
Launch price (MSRP)		$546
Price now		$139
Value for money (0-100)		6.84
Performance
64 bit support
Base frequency	1.60 GHz	1.73 GHz
Manufacturing process technology	14 nm	45 nm
Maximum core temperature	90°C	100°C
Maximum frequency	2.40 GHz	3.06 GHz
Number of cores	4	4
Number of threads	4	8
Bus Speed		2.5 GT/s DMI
Die size		296 mm2
Front-side bus (FSB)		2500 MHz
L1 cache		256 KB
L2 cache		1024 KB
L3 cache		8196 KB
Transistor count		774 million
Memory
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	21 GB/s
Maximum memory size	8 GB	8 GB
Supported memory types	LPDDR3 1600	DDR3 1066/1333
Graphics
Execution Units	16
Graphics base frequency	200 MHz
Graphics max frequency	600 MHz
Max video memory	8 GB
Graphics interfaces
Number of displays supported	3
Graphics image quality
Max resolution over eDP	2560x1600
Max resolution over HDMI 1.4	3840x2160
Compatibility
Low Halogen Options Available
Package Size	17mm x 17mm	37.5mm x 37.5mm
Scenario Design Power (SDP)	2 W
Sockets supported	UTFCBGA1380	PGA988
Max number of CPUs in a configuration		1
Thermal Design Power (TDP)		45 Watt
Peripherals
Max number of PCIe lanes	2	16
Number of USB ports	3
PCI Express revision	2.0	2
PCIe configurations	2x1, 1x2	1x16, 2x8
USB revision	3.0
Security & Reliability
Intel® Identity Protection technology
Secure Boot
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Intel 64
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions		Intel® SSE4.2
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)		36-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)