Xeon D-1846 vs Atom Z520

Primary details

Comparing Atom Z520 and Xeon D-1846 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	Silverthorne (2008−2010)	no data
Release date	2 April 2008 (16 years ago)	1 October 2023 (1 year ago)
Launch price (MSRP)	$65	no data

Detailed specifications

Atom Z520 and Xeon D-1846 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)	10 (Deca-Core)
Threads	2	20
Base clock speed	1.33 GHz	2 GHz
Boost clock speed	0.03 GHz	3.1 GHz
Bus type	FSB	no data
Bus rate	533.33 MT/s	no data
Multiplier	10	no data
L1 cache	56 KB	no data
L2 cache	512 KB	no data
L3 cache	0 KB	15360 KB
Chip lithography	45 nm	no data
Die size	24.18 mm2	no data
Maximum core temperature	90 °C	no data
Number of transistors	47 Million	no data
64 bit support	-	+
Windows 11 compatibility	-	no data
VID voltage range	0.75-1.1V	no data

Compatibility

Information on Atom Z520 and Xeon D-1846 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)	no data
Socket	PBGA441	FCBGA2227
Power consumption (TDP)	2 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z520 and Xeon D-1846. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	Intel® AVX-512
AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	-
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	+	+
Idle States	+	no data
Thermal Monitoring	+	+
Demand Based Switching	+	no data
FSB parity	-	no data
Deep Learning Boost	-	+

Security technologies

Atom Z520 and Xeon D-1846 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
SGX	no data	Yes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z520 and Xeon D-1846 are enumerated here.

VT-d	-	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z520 and Xeon D-1846. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR4
Maximum memory size	no data	256 GB
Max memory channels	no data	2
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Atom Z520 and Xeon D-1846.

PCIe version	no data	4.0
PCI Express lanes	no data	16
USB revision	no data	3.0
Max number of SATA 6 Gb/s Ports	no data	24
Number of USB ports	no data	4
Integrated LAN	no data	-

Pros & cons summary

---

Recency	2 April 2008	1 October 2023
Physical cores	1	10
Threads	2	20
Power consumption (TDP)	2 Watt	55 Watt

---

Should you still have questions on choice between Atom Z520 and Xeon D-1846, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---