Intel Atom x5-Z8550 vs Intel Core i7-640LM

Comparative analysis of Intel Atom x5-Z8550 and Intel Core i7-640LM 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, 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-Z8550

Intel Core i7-640LM

Differences

Reasons to consider the Intel Atom x5-Z8550

2 more cores, run more applications at once: 4 vs 2
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm

Number of cores	4 vs 2
Manufacturing process technology	14 nm vs 32 nm

Reasons to consider the Intel Core i7-640LM

Around 22% higher clock speed: 2.93 GHz vs 2.40 GHz
Around 17% higher maximum core temperature: 105°C vs 90°C
Around 58% better performance in PassMark - Single thread mark: 1053 vs 667
Around 32% better performance in PassMark - CPU mark: 1525 vs 1156
Around 87% better performance in Geekbench 4 - Single Core: 400 vs 214
Around 10% better performance in Geekbench 4 - Multi-Core: 782 vs 708

Specifications (specs)
Maximum frequency	2.93 GHz vs 2.40 GHz
Maximum core temperature	105°C vs 90°C
Benchmarks
PassMark - Single thread mark	1053 vs 667
PassMark - CPU mark	1525 vs 1156
Geekbench 4 - Single Core	400 vs 214
Geekbench 4 - Multi-Core	782 vs 708

Compare benchmarks

CPU 1: Intel Atom x5-Z8550
CPU 2: Intel Core i7-640LM

PassMark - Single thread mark

CPU 1

CPU 2

667

1053

PassMark - CPU mark

CPU 1

CPU 2

1156

1525

Geekbench 4 - Single Core

CPU 1

CPU 2

214

400

Geekbench 4 - Multi-Core

CPU 1

CPU 2

708

782

Name	Intel Atom x5-Z8550	Intel Core i7-640LM
PassMark - Single thread mark	667	1053
PassMark - CPU mark	1156	1525
Geekbench 4 - Single Core	214	400
Geekbench 4 - Multi-Core	708	782
GFXBench 4.0 - Car Chase Offscreen (Frames)	547
GFXBench 4.0 - Manhattan (Frames)	852
GFXBench 4.0 - T-Rex (Frames)	1603
GFXBench 4.0 - Car Chase Offscreen (Fps)	547
GFXBench 4.0 - Manhattan (Fps)	852
GFXBench 4.0 - T-Rex (Fps)	1603

Compare specifications (specs)

	Intel Atom x5-Z8550	Intel Core i7-640LM
Essentials
Architecture codename	Cherry Trail	Arrandale
Launch date	Q1'16	4 January 2010
Place in performance rating	2602	2607
Processor Number	x5-Z8550	i7-640LM
Series	Intel® Atom™ Processor X Series	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Mobile	Mobile
Launch price (MSRP)		$332
Performance
64 bit support
Base frequency	1.44 GHz	2.13 GHz
Manufacturing process technology	14 nm	32 nm
Maximum core temperature	90°C	105°C
Maximum frequency	2.40 GHz	2.93 GHz
Number of cores	4	2
Number of threads	4	4
Bus Speed		2.5 GT/s DMI
Die size		81 mm2
Front-side bus (FSB)		2500 MHz
L2 cache		512 KB
L3 cache		4096 KB
Transistor count		382 million
Memory
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	17.1 GB/s
Maximum memory size	8 GB	8 GB
Supported memory types	LPDDR3 1600	DDR3 800/1066
Graphics
Execution Units	12
Graphics base frequency	200 MHz	266 MHz
Graphics max dynamic frequency	600 MHz	566 MHz
Graphics max frequency	600 MHz	566 MHz
Max video memory	8 GB
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Processor graphics		Intel HD Graphics
Graphics interfaces
Number of displays supported	3	2
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	BGA 34mm x 28mm
Scenario Design Power (SDP)	2 W
Sockets supported	UTFCBGA1380	BGA1288
Max number of CPUs in a configuration		1
Thermal Design Power (TDP)		25 Watt
Peripherals
Max number of PCIe lanes	2	16
Number of USB ports	3
PCI Express revision	2.0	2.0
PCIe configurations	2x1, 1x2	1x16
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
Flexible Display interface (FDI)
Idle States
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2
Intel® Fast Memory Access
Intel® Flex Memory Access
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)