Intel Core 2 Quad Q8400s vs Intel Atom Z510P

Comparative analysis of Intel Core 2 Quad Q8400s and Intel Atom Z510P processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization.

Intel Core 2 Quad Q8400s

Intel Atom Z510P

Differences

Reasons to consider the Intel Core 2 Quad Q8400s

CPU is newer: launch date 1 month(s) later
3 more cores, run more applications at once: 4 vs 1
Around 143% higher clock speed: 2.67 GHz vs 1.1 GHz
4x more L1 cache, more data can be stored in the L1 cache for quick access later
8x more L2 cache, more data can be stored in the L2 cache for quick access later

Launch date	April 2009 vs March 2009
Number of cores	4 vs 1
Maximum frequency	2.67 GHz vs 1.1 GHz
L1 cache	256 KB vs 64 KB (per core)
L2 cache	4096 KB vs 512 KB (per core)

Reasons to consider the Intel Atom Z510P

Around 18% higher maximum core temperature: 90°C vs 76.3°C
32.5x lower typical power consumption: 2.2 Watt vs 65 Watt

Maximum core temperature	90°C vs 76.3°C
Thermal Design Power (TDP)	2.2 Watt vs 65 Watt

Compare specifications (specs)

	Intel Core 2 Quad Q8400s	Intel Atom Z510P
Essentials
Architecture codename	Yorkfield	Silverthorne
Launch date	April 2009	March 2009
Place in performance rating	not rated	not rated
Processor Number	Q8400S	Z510P
Series	Legacy Intel® Core™ Processors	Legacy Intel Atom® Processors
Status	Discontinued	Discontinued
Vertical segment	Desktop	Mobile
Performance
64 bit support
Base frequency	2.66 GHz	1.10 GHz
Bus Speed	1333 MHz FSB	400 MHz FSB
Die size	164 mm2	26 mm2
L1 cache	256 KB	64 KB (per core)
L2 cache	4096 KB	512 KB (per core)
Manufacturing process technology	45 nm	45 nm
Maximum case temperature (TCase)	76 °C
Maximum core temperature	76.3°C	90°C
Maximum frequency	2.67 GHz	1.1 GHz
Number of cores	4	1
Transistor count	456 million	47 million
VID voltage range	0.8500V-1.3625V	0.8V-1.1V
Memory
Supported memory types	DDR1, DDR2, DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	22mm x 22mm
Sockets supported	LGA775	FCBGA437
Thermal Design Power (TDP)	65 Watt	2.2 Watt
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
FSB parity
Instruction set extensions		Intel® SSE2, Intel® SSE3, Intel® SSSE3
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)