Intel Atom Z670 vs Intel Pentium E6500K

Comparative analysis of Intel Atom Z670 and Intel Pentium E6500K processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Atom Z670

Intel Pentium E6500K

Differences

Reasons to consider the Intel Atom Z670

CPU is newer: launch date 1 year(s) 8 month(s) later
Around 21% higher maximum core temperature: 90 vs 74.1°C
21.7x lower typical power consumption: 3 Watt vs 65 Watt

Launch date	April 2011 vs August 2009
Maximum core temperature	90 vs 74.1°C
Thermal Design Power (TDP)	3 Watt vs 65 Watt

Reasons to consider the Intel Pentium E6500K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
1 more cores, run more applications at once: 2 vs 1
Around 95% higher clock speed: 2.93 GHz vs 1.5 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
4x more L2 cache, more data can be stored in the L2 cache for quick access later

Unlocked	Unlocked vs Locked
Number of cores	2 vs 1
Maximum frequency	2.93 GHz vs 1.5 GHz
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	2048 KB (shared) vs 512 KB (per core)

Compare benchmarks

CPU 1: Intel Atom Z670
CPU 2: Intel Pentium E6500K

Name	Intel Atom Z670	Intel Pentium E6500K
PassMark - Single thread mark	95
PassMark - CPU mark	158

Compare specifications (specs)

	Intel Atom Z670	Intel Pentium E6500K
Essentials
Architecture codename	Lincroft	Wolfdale
Launch date	April 2011	August 2009
Place in performance rating	3324	not rated
Processor Number	Z670	E6500K
Series	Legacy Intel Atom® Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Vertical segment	Mobile	Desktop
Performance
Base frequency	1.50 GHz	2.93 GHz
Die size	65 mm	82 mm2
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	512 KB (per core)	2048 KB (shared)
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	90	74.1°C
Maximum frequency	1.5 GHz	2.93 GHz
Number of cores	1	2
Number of threads	2
Transistor count	140 million	228 million
VID voltage range	1.1125-1.5000V	0.85V – 1.3625V
64 bit support
Bus Speed		1066 MHz FSB
Unlocked
Memory
Max memory channels	1
Maximum memory size	2.93 GB
Supported memory types	DDR2 800	DDR1, DDR2, DDR3
Graphics
Graphics base frequency	400 MHz
Processor graphics	Integrated
Graphics interfaces
LVDS
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	13.8mmx13.8mm
Sockets supported	T-PBGA518	LGA775
Thermal Design Power (TDP)	3 Watt	65 Watt
Peripherals
PCI support
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3
Intel 64
Intel® Hyper-Threading technology
Thermal Monitoring
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Turbo Boost technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)