Intel Atom Z615 vs Intel Atom Z620

Comparative analysis of Intel Atom Z615 and Intel Atom Z620 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization.

Intel Atom Z615

Intel Atom Z620

Differences

Reasons to consider the Intel Atom Z615

Around 78% higher clock speed: 1.6 GHz vs 0.9 GHz

Maximum frequency	1.6 GHz vs 0.9 GHz

Reasons to consider the Intel Atom Z620

2x lower typical power consumption: 1 Watt vs 2.2 Watt

Thermal Design Power (TDP)	1 Watt vs 2.2 Watt

Compare specifications (specs)

	Intel Atom Z615	Intel Atom Z620
Essentials
Architecture codename	Lincroft	Lincroft
Launch date	May 2010	May 2010
Place in performance rating	not rated	not rated
Processor Number	Z615
Series	Legacy Intel Atom® Processors
Status	Discontinued
Vertical segment	Mobile	Laptop
Performance
Base frequency	1.60 GHz
Bus Speed	400 MHz DMI
Die size	65 mm	65 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	512 KB (per core)	512 KB (per core)
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	0 to +90°C
Maximum frequency	1.6 GHz	0.9 GHz
Number of cores	1	1
Number of threads	2
Transistor count	140 million	140 million
VID voltage range	0.7625V – 1.1V
Memory
Max memory channels	1
Maximum memory bandwidth	3.2 GB/s
Maximum memory size	2 GB
Supported memory types	DDR2 800	DDR1, DDR2
Graphics
Graphics base frequency	400 MHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Max video memory	256 MB
Processor graphics	Integrated
Graphics interfaces
LVDS
MIPI
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	13.8mmx 13.8mmx1.1mm
Sockets supported	Intel BGA 518	Intel BGA 518
Thermal Design Power (TDP)	2.2 Watt	1 Watt
Peripherals
Integrated IDE
Integrated LAN
Max number of PCIe lanes	0
Number of USB ports	4
PCI Express revision	None
PCI support
PCIe configurations	None
Total number of SATA ports	0
UART
USB revision	2.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
General-Purpose Input/Output (GPIO)
HD Audio
I/O Acceleration
Idle States
Instruction set extensions	Intel® SSE, Intel® SSE2, Intel® SSE3, Intel® SSSE3
Intel 64
Intel® AC97 Technology
Intel® Active Management technology (AMT)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® ME Firmware Version	No
Intel® Turbo Boost technology
Matrix Storage
Physical Address Extensions (PAE)	32-bit
Quick Resume
Quiet System
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)