Intel Celeron J4115 vs Intel Pentium III 866

Comparative analysis of Intel Celeron J4115 and Intel Pentium III 866 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - CPU mark, PassMark - Single thread mark, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

Intel Celeron J4115

Intel Pentium III 866

Differences

Reasons to consider the Intel Celeron J4115

3 more cores, run more applications at once: 4 vs 1
Around 187% higher clock speed: 2.5 GHz vs 0.87 GHz
17.7x better performance in PassMark - CPU mark: 2687 vs 152
5.3x better performance in PassMark - Single thread mark: 1068 vs 202

Specifications (specs)
Number of cores	4 vs 1
Maximum frequency	2.5 GHz vs 0.87 GHz
Benchmarks
PassMark - CPU mark	2687 vs 152
PassMark - Single thread mark	1068 vs 202

Compare benchmarks

CPU 1: Intel Celeron J4115
CPU 2: Intel Pentium III 866

PassMark - CPU mark

CPU 1

CPU 2

2687

152

PassMark - Single thread mark

CPU 1

CPU 2

1068

202

Name	Intel Celeron J4115	Intel Pentium III 866
PassMark - CPU mark	2687	152
PassMark - Single thread mark	1068	202
GFXBench 4.0 - Car Chase Offscreen (Frames)	583
GFXBench 4.0 - Car Chase Offscreen (Fps)	583
GFXBench 4.0 - T-Rex (Frames)	2127
GFXBench 4.0 - T-Rex (Fps)	2127

Compare specifications (specs)

	Intel Celeron J4115	Intel Pentium III 866
Essentials
Place in performance rating	2099	3206
Vertical segment	Desktop	Desktop
Architecture codename		Coppermine T
Launch date		Q1'00
Series		Legacy Intel® Pentium® Processor
Status		Discontinued
Performance
Base frequency	1.8 GHz	866 MHz
Maximum frequency	2.5 GHz	0.87 GHz
Number of cores	4	1
Number of threads	4
64 bit support
Bus Speed		133 MHz FSB
Die size		80 mm
L1 cache		8 KB
L2 cache		256 KB
Manufacturing process technology		180 nm
Maximum case temperature (TCase)		69 °C
Maximum core temperature		80°C
Transistor count		44 million
VID voltage range		1.75V
Memory
Maximum memory size	8 GB
Supported memory types	LPDDR4
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration		1
Sockets supported		PPGA370, SECC2, SECC2495
Thermal Design Power (TDP)		26.1 Watt
Advanced Technologies
Intel® Turbo Boost technology
Virtualization
Intel® Virtualization Technology (VT-x)