Intel Atom x5-Z8350 vs Intel Core i7-820QM

Comparative analysis of Intel Atom x5-Z8350 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 x5-Z8350

Intel Core i7-820QM

Differences

Reasons to consider the Intel Atom x5-Z8350

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
2.7x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 55.944 vs 20.687
Around 25% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.334 vs 0.267

Specifications (specs)
Manufacturing process technology	14 nm vs 45 nm
Benchmarks
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	55.944 vs 20.687
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.334 vs 0.267

Reasons to consider the Intel Core i7-820QM

4 more threads: 8 vs 4
Around 59% higher clock speed: 3.06 GHz vs 1.92 GHz
Around 11% higher maximum core temperature: 100°C vs 90°C
4x more maximum memory size: 8 GB vs 2 GB
2.2x better performance in PassMark - Single thread mark: 1039 vs 472
2x better performance in PassMark - CPU mark: 1805 vs 893
2.3x better performance in Geekbench 4 - Single Core: 381 vs 168
2.2x better performance in Geekbench 4 - Multi-Core: 1185 vs 529
2.1x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.276 vs 2.011

Specifications (specs)
Number of threads	8 vs 4
Maximum frequency	3.06 GHz vs 1.92 GHz
Maximum core temperature	100°C vs 90°C
Maximum memory size	8 GB vs 2 GB
Benchmarks
PassMark - Single thread mark	1039 vs 472
PassMark - CPU mark	1805 vs 893
Geekbench 4 - Single Core	381 vs 168
Geekbench 4 - Multi-Core	1185 vs 529
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.276 vs 2.011

Compare benchmarks

CPU 1: Intel Atom x5-Z8350
CPU 2: Intel Core i7-820QM

PassMark - Single thread mark

CPU 1

CPU 2

472

1039

PassMark - CPU mark

CPU 1

CPU 2

893

1805

Geekbench 4 - Single Core

CPU 1

CPU 2

168

381

Geekbench 4 - Multi-Core

CPU 1

CPU 2

529

1185

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

2.011

4.276

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

CPU 1

CPU 2

55.944

20.687

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

CPU 1

CPU 2

0.334

0.267

Name	Intel Atom x5-Z8350	Intel Core i7-820QM
PassMark - Single thread mark	472	1039
PassMark - CPU mark	893	1805
Geekbench 4 - Single Core	168	381
Geekbench 4 - Multi-Core	529	1185
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.011	4.276
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	55.944	20.687
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.334	0.267
CompuBench 1.5 Desktop - Video Composition (Frames/s)	3.487
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	1.185
GFXBench 4.0 - Car Chase Offscreen (Frames)	380
GFXBench 4.0 - Manhattan (Frames)	1180
GFXBench 4.0 - T-Rex (Frames)	1160
GFXBench 4.0 - Car Chase Offscreen (Fps)	380
GFXBench 4.0 - Manhattan (Fps)	1180
GFXBench 4.0 - T-Rex (Fps)	1160

Compare specifications (specs)

	Intel Atom x5-Z8350	Intel Core i7-820QM
Essentials
Architecture codename	Cherry Trail	Clarksfield
Launch date	Q1'16	23 September 2009
Place in performance rating	2803	2807
Processor Number	x5-Z8350	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	1.44 GHz	1.73 GHz
Manufacturing process technology	14 nm	45 nm
Maximum core temperature	90°C	100°C
Maximum frequency	1.92 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	1	2
Maximum memory bandwidth	12.8 GB/s	21 GB/s
Maximum memory size	2 GB	8 GB
Supported memory types	DDR3L-RS 1600	DDR3 1066/1333
Graphics
Execution Units	12
Graphics base frequency	200 MHz
Graphics max dynamic frequency	500 MHz
Graphics max frequency	500 MHz
Max video memory	2 GB
Graphics interfaces
Number of displays supported	2
Graphics image quality
Max resolution over HDMI 1.4	1920x1080
Compatibility
Low Halogen Options Available
Package Size	17mm x 17mm	37.5mm x 37.5mm
Scenario Design Power (SDP)	2 W
Sockets supported	UTFCBGA592	PGA988
Max number of CPUs in a configuration		1
Thermal Design Power (TDP)		45 Watt
Peripherals
Max number of PCIe lanes	1	16
PCI Express revision	2.0	2
PCIe configurations	1x1	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
Intel® Stable Image Platform Program (SIPP)
Intel® vPro™ Platform Eligibility
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions		Intel® SSE4.2
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
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)