Intel Atom 330 vs Intel Pentium III 800

Comparative analysis of Intel Atom 330 and Intel Pentium III 800 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Atom 330

Intel Pentium III 800

Differences

Reasons to consider the Intel Atom 330

1 more cores, run more applications at once: 2 vs 1
Around 100% higher clock speed: 1.6 GHz vs 0.8 GHz
Around 7% higher maximum core temperature: 85.2°C vs 80°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 180 nm
16x 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
2.6x lower typical power consumption: 8 Watt vs 20.8 Watt
Around 8% better performance in PassMark - Single thread mark: 255 vs 237
Around 99% better performance in PassMark - CPU mark: 363 vs 182

Specifications (specs)
Number of cores	2 vs 1
Maximum frequency	1.6 GHz vs 0.8 GHz
Maximum core temperature	85.2°C vs 80°C
Manufacturing process technology	45 nm vs 180 nm
L1 cache	64 KB (per core) vs 8 KB
L2 cache	1024 KB vs 256 KB
Thermal Design Power (TDP)	8 Watt vs 20.8 Watt
Benchmarks
PassMark - Single thread mark	255 vs 237
PassMark - CPU mark	363 vs 182

Compare benchmarks

CPU 1: Intel Atom 330
CPU 2: Intel Pentium III 800

PassMark - Single thread mark

CPU 1

CPU 2

255

237

PassMark - CPU mark

CPU 1

CPU 2

363

182

Name	Intel Atom 330	Intel Pentium III 800
PassMark - Single thread mark	255	237
PassMark - CPU mark	363	182

Compare specifications (specs)

	Intel Atom 330	Intel Pentium III 800
Essentials
Architecture codename	Diamondville	Coppermine T
Launch date	22 September 2008	n/d
Launch price (MSRP)	$43
Place in performance rating	3266	3273
Processor Number	330
Series	Legacy Intel Atom® Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	1.60 GHz	800 MHz
Bus Speed	533 MHz FSB	133 MHz FSB
Die size	52 mm2	80 mm
Front-side bus (FSB)	533 MHz
L1 cache	64 KB (per core)	8 KB
L2 cache	1024 KB	256 KB
Manufacturing process technology	45 nm	180 nm
Maximum core temperature	85.2°C	80°C
Maximum frequency	1.6 GHz	0.8 GHz
Number of cores	2	1
Number of threads	4
Transistor count	94 million	44 million
VID voltage range	0.9V-1.1625V	1.75V
Maximum case temperature (TCase)		69 °C
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	22mm x 22mm
Sockets supported	PBGA437	PPGA370, SECC2, SECC2495
Thermal Design Power (TDP)	8 Watt	20.8 Watt
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)