Intel Xeon D-1557 vs Intel Atom Z670

Comparative analysis of Intel Xeon D-1557 and Intel Atom Z670 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon D-1557

Intel Atom Z670

Differences

Reasons to consider the Intel Xeon D-1557

11 more cores, run more applications at once: 12 vs 1
22 more threads: 24 vs 2
Around 40% higher clock speed: 2.10 GHz vs 1.5 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
43.7x more maximum memory size: 128 GB vs 2.93 GB
11.5x better performance in PassMark - Single thread mark: 1090 vs 95
58.8x better performance in PassMark - CPU mark: 9285 vs 158

Specifications (specs)
Number of cores	12 vs 1
Number of threads	24 vs 2
Maximum frequency	2.10 GHz vs 1.5 GHz
Manufacturing process technology	14 nm vs 45 nm
Maximum memory size	128 GB vs 2.93 GB
Benchmarks
PassMark - Single thread mark	1090 vs 95
PassMark - CPU mark	9285 vs 158

Reasons to consider the Intel Atom Z670

15x lower typical power consumption: 3 Watt vs 45 Watt

Thermal Design Power (TDP)	3 Watt vs 45 Watt

Compare benchmarks

CPU 1: Intel Xeon D-1557
CPU 2: Intel Atom Z670

PassMark - Single thread mark

CPU 1

CPU 2

1090

PassMark - CPU mark

CPU 1

CPU 2

9285

158

Name	Intel Xeon D-1557	Intel Atom Z670
PassMark - Single thread mark	1090	95
PassMark - CPU mark	9285	158

Compare specifications (specs)

	Intel Xeon D-1557	Intel Atom Z670
Essentials
Architecture codename	Broadwell	Lincroft
Launch date	Q1'16	April 2011
Place in performance rating	1947	3324
Processor Number	D-1557	Z670
Series	Intel® Xeon® D Processor	Legacy Intel Atom® Processors
Status	Launched	Discontinued
Vertical segment	Server	Mobile
Performance
64 bit support
Base frequency	1.50 GHz	1.50 GHz
Manufacturing process technology	14 nm	45 nm
Maximum frequency	2.10 GHz	1.5 GHz
Number of cores	12	1
Number of threads	24	2
Die size		65 mm
L1 cache		64 KB (per core)
L2 cache		512 KB (per core)
Maximum core temperature		90
Transistor count		140 million
VID voltage range		1.1125-1.5000V
Memory
Max memory channels	2	1
Maximum memory size	128 GB	2.93 GB
Supported memory frequency	2133 MHz
Supported memory types	DDR4, DDR3	DDR2 800
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5 mm x 37.5 mm	13.8mmx13.8mm
Sockets supported	FCBGA1667	T-PBGA518
Thermal Design Power (TDP)	45 Watt	3 Watt
Peripherals
Integrated LAN
Max number of PCIe lanes	32
Number of USB ports	8
PCI Express revision	2.0/3.0
PCIe configurations	x4 x8 x16
Scalability	1S Only
Total number of SATA ports	6
UART
USB revision	2.0/3.0
PCI support
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
General-Purpose Input/Output (GPIO)
Idle States
Instruction set extensions	Intel® AVX2	Intel® SSE2, Intel® SSE3, Intel® SSSE3
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
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)
Graphics
Graphics base frequency		400 MHz
Processor graphics		Integrated
Graphics interfaces
LVDS