Intel Atom D2550 vs Intel Pentium III 800

Comparative analysis of Intel Atom D2550 and Intel Pentium III 800 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Atom D2550

Intel Pentium III 800

Differences

Reasons to consider the Intel Atom D2550

1 more cores, run more applications at once: 2 vs 1
Around 133% higher clock speed: 1.86 GHz vs 0.8 GHz
Around 25% higher maximum core temperature: 100 °C vs 80°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 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
2.1x lower typical power consumption: 10 Watt vs 20.8 Watt
Around 36% better performance in PassMark - Single thread mark: 322 vs 237
2.2x better performance in PassMark - CPU mark: 409 vs 182

Specifications (specs)
Number of cores	2 vs 1
Maximum frequency	1.86 GHz vs 0.8 GHz
Maximum core temperature	100 °C vs 80°C
Manufacturing process technology	32 nm vs 180 nm
L1 cache	64 KB (per core) vs 8 KB
L2 cache	1024 KB vs 256 KB
Thermal Design Power (TDP)	10 Watt vs 20.8 Watt
Benchmarks
PassMark - Single thread mark	322 vs 237
PassMark - CPU mark	409 vs 182

Compare benchmarks

CPU 1: Intel Atom D2550
CPU 2: Intel Pentium III 800

PassMark - Single thread mark

CPU 1

CPU 2

322

237

PassMark - CPU mark

CPU 1

CPU 2

409

182

Name	Intel Atom D2550	Intel Pentium III 800
PassMark - Single thread mark	322	237
PassMark - CPU mark	409	182
Geekbench 4 - Single Core	95
Geekbench 4 - Multi-Core	271

Compare specifications (specs)

	Intel Atom D2550	Intel Pentium III 800
Essentials
Architecture codename	Cedarview	Coppermine T
Launch date	5 January 2012	n/d
Place in performance rating	3275	3273
Processor Number	D2550
Series	Intel® Atom™ Processor D Series	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	1.86 GHz	800 MHz
Die size	66 mm	80 mm
L1 cache	64 KB (per core)	8 KB
L2 cache	1024 KB	256 KB
Manufacturing process technology	32 nm	180 nm
Maximum core temperature	100 °C	80°C
Maximum frequency	1.86 GHz	0.8 GHz
Number of cores	2	1
Number of threads	4
Transistor count	176 million	44 million
VID voltage range	0.91V -1.21V	1.75V
Bus Speed		133 MHz FSB
Maximum case temperature (TCase)		69 °C
Memory
Max memory channels	1
Maximum memory bandwidth	6.4 GB/s
Maximum memory size	4 GB
Supported memory types	DDR3 800/1066
Graphics
Graphics base frequency	640 MHz
Processor graphics	Integrated
Graphics interfaces
Number of displays supported	2
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	22mm X 22 mm
Sockets supported	FCBGA559	PPGA370, SECC2, SECC2495
Thermal Design Power (TDP)	10 Watt	20.8 Watt
Peripherals
Max number of PCIe lanes	4
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3
Intel 64
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	36-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® Virtualization Technology for Itanium (VT-i)