Intel Atom Z3775 vs Intel Core i7-4550U

Comparative analysis of Intel Atom Z3775 and Intel Core i7-4550U processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Compatibility, Advanced Technologies, Virtualization, Graphics interfaces, Graphics image quality, Graphics API support, Peripherals, Security & Reliability. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), 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 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps).

Intel Atom Z3775

Intel Core i7-4550U

Differences

Reasons to consider the Intel Atom Z3775

2 more cores, run more applications at once: 4 vs 2

Number of cores	4 vs 2

Reasons to consider the Intel Core i7-4550U

Around 26% higher clock speed: 3.00 GHz vs 2.39 GHz
4x more maximum memory size: 16 GB vs 4 GB
2.6x better performance in PassMark - Single thread mark: 1290 vs 504
3.2x better performance in PassMark - CPU mark: 2272 vs 703
Around 37% better performance in GFXBench 4.0 - T-Rex (Frames): 1780 vs 1295
Around 37% better performance in GFXBench 4.0 - T-Rex (Fps): 1780 vs 1295

Specifications (specs)
Maximum frequency	3.00 GHz vs 2.39 GHz
Maximum memory size	16 GB vs 4 GB
Benchmarks
PassMark - Single thread mark	1290 vs 504
PassMark - CPU mark	2272 vs 703
GFXBench 4.0 - T-Rex (Frames)	1780 vs 1295
GFXBench 4.0 - T-Rex (Fps)	1780 vs 1295

Compare benchmarks

CPU 1: Intel Atom Z3775
CPU 2: Intel Core i7-4550U

PassMark - Single thread mark

CPU 1

CPU 2

504

1290

PassMark - CPU mark

CPU 1

CPU 2

703

2272

GFXBench 4.0 - T-Rex (Frames)

CPU 1

CPU 2

1295

1780

GFXBench 4.0 - T-Rex (Fps)

CPU 1

CPU 2

1295

1780

Name	Intel Atom Z3775	Intel Core i7-4550U
PassMark - Single thread mark	504	1290
PassMark - CPU mark	703	2272
Geekbench 4 - Single Core	1072
Geekbench 4 - Multi-Core	2997
GFXBench 4.0 - T-Rex (Frames)	1295	1780
GFXBench 4.0 - T-Rex (Fps)	1295	1780
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		5.742
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		38.217
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.286
CompuBench 1.5 Desktop - Video Composition (Frames/s)		1.608
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		15.042
GFXBench 4.0 - Manhattan (Frames)		909
GFXBench 4.0 - Manhattan (Fps)		909

Compare specifications (specs)

	Intel Atom Z3775	Intel Core i7-4550U
Essentials
Architecture codename	Bay Trail	Haswell
Launch date	Q1'14	4 June 2013
Place in performance rating	2299	2301
Processor Number	Z3775	i7-4550U
Series	Intel® Atom™ Processor Z Series	4th Generation Intel® Core™ i7 Processors
Status	Launched	Launched
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	1.46 GHz	1.50 GHz
Manufacturing process technology	22 nm	22 nm
Maximum frequency	2.39 GHz	3.00 GHz
Number of cores	4	2
Number of threads	4	4
Bus Speed		5 GT/s DMI2
Die size		181 mm
L1 cache		128 KB
L2 cache		512 KB
L3 cache		4 MB
Maximum core temperature		100°C
Transistor count		1300 Million
Memory
Max memory channels	2	2
Maximum memory bandwidth	17.1 GB/s	25.6 GB/s
Maximum memory size	4 GB	16 GB
Supported memory types	LPDDR3 1066	DDR3L 1333/1600, LPDDR3 1333/1600
Graphics
Graphics base frequency	311 MHz	200 MHz
Graphics max frequency	778 MHz	1.1 GHz
Processor graphics	Intel HD Graphics	Intel® HD Graphics 5000
Device ID		0xA26
Graphics max dynamic frequency		1.10 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory		2 GB
Compatibility
Low Halogen Options Available
Package Size	17mm x 17mm	40mm x 24mm x 1.5mm
Scenario Design Power (SDP)	2 W
Sockets supported	UTFCBGA1380	FCBGA1168
Max number of CPUs in a configuration		1
Thermal Design Power (TDP)		15 Watt
Advanced Technologies
Intel 64
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
General-Purpose Input/Output (GPIO)
HD Audio
Idle States
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel® Active Management technology (AMT)
Intel® Advanced Vector Extensions (AVX)
Intel® Hyper-Threading technology
Intel® ME Firmware Version		9.5
Intel® Rapid Storage technology (RST)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Smart Connect
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Graphics interfaces
DisplayPort
eDP
HDMI
Number of displays supported		3
VGA
Wireless Display (WiDi) support
Graphics image quality
Max resolution over DisplayPort		3200x2000@60Hz
Max resolution over HDMI 1.4		3200x2000@60Hz
Max resolution over VGA		N / A
Graphics API support
DirectX		11.2/12
OpenGL		4.3
Peripherals
Integrated IDE
Integrated LAN
Max number of PCIe lanes		12
Max number of SATA 6 Gb/s Ports		4
Number of USB ports		4
PCI Express revision		2.0
PCI support
PCIe configurations		4x1, 2x4
Total number of SATA ports		4
UART
USB revision		3.0
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)