Atom Z500 vs i9-7940X

Primary details

Comparing Core i9-7940X and Atom Z500 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	402	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.19	no data
Market segment	Desktop processor	Laptop
Series	Intel Core i9	Intel Atom
Power efficiency	9.37	no data
Architecture codename	Skylake (server) (2017−2018)	Silverthorne (2008−2010)
Release date	1 September 2017 (7 years ago)	2 April 2008 (16 years ago)
Launch price (MSRP)	$1,399	$45

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-7940X and Atom Z500 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	14 (Tetradeca-Core)	1 (Single-Core)
Threads	28	1
Base clock speed	3.1 GHz	no data
Boost clock speed	4.4 GHz	0.8 GHz
Bus type	DMI 3.0	FSB
Bus rate	4 × 8 GT/s	400 MT/s
Multiplier	no data	8
L1 cache	64 KB (per core)	56 KB
L2 cache	1 MB (per core)	512 KB
L3 cache	19.25 MB (shared)	0 KB
Chip lithography	14 nm	45 nm
Die size	484 mm2	24.18 mm2
Maximum core temperature	102 °C	90 °C
Number of transistors	no data	47 Million
64 bit support	+	-
Windows 11 compatibility	+	-
Unlocked multiplier	+	-
VID voltage range	no data	0.80 -1.1V

Compatibility

Information on Core i9-7940X and Atom Z500 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 (Uniprocessor)
Socket	FCLGA2066	PBGA441
Power consumption (TDP)	165 Watt	0.65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7940X and Atom Z500. 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	Intel® SSE2, Intel® SSE3, Intel® SSSE3
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	+
TSX	+	-
Idle States	no data	+
Thermal Monitoring	-	+
Demand Based Switching	no data	+
Turbo Boost Max 3.0	+	no data
FSB parity	no data	-

Security technologies

Core i9-7940X and Atom Z500 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7940X and Atom Z500 are enumerated here.

VT-d	+	-
VT-x	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7940X and Atom Z500. 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

-

Peripherals

Specifications and connection of peripherals supported by Core i9-7940X and Atom Z500.

PCIe version	3.0	no data
PCI Express lanes	44	no data

Pros & cons summary

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Recency	1 September 2017	2 April 2008
Physical cores	14	1
Threads	28	1
Chip lithography	14 nm	45 nm

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