Xeon 6979P vs Atom N455

Primary details

Comparing Atom N455 and Xeon 6979P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Atom	no data
Architecture codename	Pinetrail (2009−2011)	Granite Rapids (2024)
Release date	1 June 2010 (14 years ago)	24 September 2024 (less than a year ago)
Launch price (MSRP)	$64	no data

Detailed specifications

Atom N455 and Xeon 6979P 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	1 (Single-Core)	120
Threads	2	240
Base clock speed	1.66 GHz	2.1 GHz
Boost clock speed	1.67 GHz	3.9 GHz
Bus rate	533 MHz	no data
L1 cache	64 KB (per core)	112 KB (per core)
L2 cache	512K (per core)	2 MB (per core)
L3 cache	0 KB	504 MB (shared)
Chip lithography	45 nm	5 nm
Die size	66 mm2	no data
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	no data	80 °C
Number of transistors	123 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Atom N455 and Xeon 6979P 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	2
Socket	FCBGA559	7529
Power consumption (TDP)	6.5 Watt	500 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom N455 and Xeon 6979P. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	no data
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	no data
TSX	-	+
Thermal Monitoring	+	-
Demand Based Switching	-	no data

Security technologies

Atom N455 and Xeon 6979P technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom N455 and Xeon 6979P are enumerated here.

VT-d	-	+
VT-x	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom N455 and Xeon 6979P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	2 GB	no data
Max memory channels	1	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel GMA 3150

N/A

Peripherals

Specifications and connection of peripherals supported by Atom N455 and Xeon 6979P.

PCIe version	no data	5.0
PCI Express lanes	no data	96

Pros & cons summary

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Recency	1 June 2010	24 September 2024
Physical cores	1	120
Threads	2	240
Chip lithography	45 nm	5 nm
Power consumption (TDP)	6 Watt	500 Watt

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