Intel Atom x5-Z8500 vs Intel Core i7-620UM

Comparative analysis of Intel Atom x5-Z8500 and Intel Core i7-620UM 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-Z8500

Intel Core i7-620UM

Differences

Reasons to consider the Intel Atom x5-Z8500

2 more cores, run more applications at once: 4 vs 2
Around 5% higher clock speed: 2.24 GHz vs 2.13 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
Around 13% better performance in PassMark - CPU mark: 1236 vs 1091

Specifications (specs)
Number of cores	4 vs 2
Maximum frequency	2.24 GHz vs 2.13 GHz
Manufacturing process technology	14 nm vs 32 nm
Benchmarks
PassMark - CPU mark	1236 vs 1091

Reasons to consider the Intel Core i7-620UM

Around 17% higher maximum core temperature: 105°C vs 90°C
Around 36% better performance in PassMark - Single thread mark: 859 vs 631

Specifications (specs)
Maximum core temperature	105°C vs 90°C
Benchmarks
PassMark - Single thread mark	859 vs 631

Compare benchmarks

CPU 1: Intel Atom x5-Z8500
CPU 2: Intel Core i7-620UM

PassMark - Single thread mark

CPU 1

CPU 2

631

859

PassMark - CPU mark

CPU 1

CPU 2

1236

1091

Name	Intel Atom x5-Z8500	Intel Core i7-620UM
PassMark - Single thread mark	631	859
PassMark - CPU mark	1236	1091
Geekbench 4 - Single Core	207
Geekbench 4 - Multi-Core	675
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.985
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	85.204
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.507
CompuBench 1.5 Desktop - Video Composition (Frames/s)	4.184
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	6.893
GFXBench 4.0 - Car Chase Offscreen (Frames)	500
GFXBench 4.0 - Manhattan (Frames)	1685
GFXBench 4.0 - T-Rex (Frames)	1374
GFXBench 4.0 - Car Chase Offscreen (Fps)	500
GFXBench 4.0 - Manhattan (Fps)	1685
GFXBench 4.0 - T-Rex (Fps)	1374

Compare specifications (specs)

	Intel Atom x5-Z8500	Intel Core i7-620UM
Essentials
Architecture codename	Cherry Trail	Arrandale
Launch date	Q1'15	4 January 2010
Place in performance rating	2456	2465
Processor Number	x5-Z8500	i7-620UM
Series	Intel® Atom™ Processor X Series	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Mobile	Mobile
Launch price (MSRP)		$278
Performance
64 bit support
Base frequency	1.44 GHz	1.06 GHz
Manufacturing process technology	14 nm	32 nm
Maximum core temperature	90°C	105°C
Maximum frequency	2.24 GHz	2.13 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	12.8 GB/s
Maximum memory size	8 GB	8 GB
Supported memory types	LPDDR3 1600	DDR3 800
Graphics
Execution Units	12
Graphics base frequency	200 MHz	166 MHz
Graphics max frequency	600 MHz	500 MHz
Max video memory	8 GB
Graphics max dynamic frequency		500 MHz
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)		18 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
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
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)