Pentium III 800 vs i9-7980XE

Primary details

Comparing Core i9-7980XE and Pentium III 800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	314	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.01	no data
Market segment	Desktop processor	Desktop processor
Series	Intel Core i9	no data
Power efficiency	10.80	no data
Architecture codename	Skylake (server) (2017−2018)	Coppermine T (2000)
Release date	30 May 2017 (7 years ago)	no data (2024 years ago)
Launch price (MSRP)	$1,999	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-7980XE and Pentium III 800 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	18 (Octadeca-Core)	1 (Single-Core)
Threads	36	1
Base clock speed	2.6 GHz	no data
Boost clock speed	4.4 GHz	0.8 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
L1 cache	1.125 MB	8 KB
L2 cache	18 MB	256 KB
L3 cache	24.75 MB (shared)	0 KB
Chip lithography	14 nm	180 nm
Die size	484 mm2	80 mm2
Maximum core temperature	94 °C	no data
Maximum case temperature (TCase)	no data	69 °C
Number of transistors	no data	44 million
64 bit support	+	-
Windows 11 compatibility	+	-
Unlocked multiplier	+	-

Compatibility

Information on Core i9-7980XE and Pentium III 800 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1 (Uniprocessor)	1
Socket	FCLGA2066	370
Power consumption (TDP)	165 Watt	38 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7980XE and Pentium III 800. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Turbo Boost Max 3.0	+	no data

Security technologies

Core i9-7980XE and Pentium III 800 technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7980XE and Pentium III 800 are enumerated here.

VT-d	+	no data
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7980XE and Pentium III 800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	no data
Maximum memory size	128 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85.33 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Core i9-7980XE and Pentium III 800.

PCIe version	3.0	no data
PCI Express lanes	44	no data

Pros & cons summary

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Physical cores	18	1
Threads	36	1
Chip lithography	14 nm	180 nm
Power consumption (TDP)	165 Watt	38 Watt

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Should you still have questions on choice between Core i9-7980XE and Pentium III 800, ask them in Comments section, and we shall answer.

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