Xeon E-2456 vs Atom Z625

Primary details

Comparing Atom Z625 and Xeon E-2456 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	470
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	93.11
Market segment	Laptop	Server
Series	Intel Atom	no data
Power efficiency	no data	17.70
Architecture codename	Lincroft (2010−2011)	Raptor Lake-S (2023−2024)
Release date	4 May 2010 (14 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	no data	$375

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Atom Z625 and Xeon E-2456 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)	6 (Hexa-Core)
Threads	2	12
Base clock speed	1.9 GHz	3.3 GHz
Boost clock speed	1.5 GHz	5.1 GHz
Bus type	cDMI	no data
Bus rate	400 MT/s	16 GT/s
Multiplier	15	no data
L1 cache	56 KB	80 KB (per core)
L2 cache	512 KB (per core)	1.25 MB (per core)
L3 cache	0 KB	18 MB (shared)
Chip lithography	45 nm	Intel 7 nm
Die size	65.2526 mm2	163 mm2
Maximum core temperature	+90 °C	100 °C
Number of transistors	140 million	no data
64 bit support	-	+
Windows 11 compatibility	-	no data

Compatibility

Information on Atom Z625 and Xeon E-2456 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	T-PBGA518	FCLGA1700
Power consumption (TDP)	2.2 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z625 and Xeon E-2456. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE, Intel® SSE2, Intel® SSE3, Intel® SSSE3	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	2
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	no data
Demand Based Switching	-	no data
PAE	32 Bit	no data
GPIO	+	no data
Turbo Boost Max 3.0	no data	-
FDI	-	no data
Fast Memory Access	-	no data
AMT	-	no data
Matrix Storage	-	no data
Quiet System	-	no data
I/O Acceleration	-	no data
Quick Resume	-	no data
HD Audio	-	no data

Security technologies

Atom Z625 and Xeon E-2456 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z625 and Xeon E-2456 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z625 and Xeon E-2456. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR5-4800
Maximum memory size	2 GB	128 GB
Max memory channels	1	2
Maximum memory bandwidth	3.2 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	PowerVR SGX535	N/A
Clear Video	+	no data

Graphics interfaces

Available interfaces and connections of Atom Z625 and Xeon E-2456 integrated GPUs.

LVDS	+	no data
MIPI	+	no data

Peripherals

Specifications and connection of peripherals supported by Atom Z625 and Xeon E-2456.

PCIe version	-	5
PCI Express lanes	no data	16
PCI support	-	no data
USB revision	2.0	no data
Integrated IDE	-	no data
Number of USB ports	4	no data
Integrated LAN	-	no data
UART	+	no data

Pros & cons summary

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Recency	4 May 2010	14 December 2023
Physical cores	1	6
Threads	2	12
Power consumption (TDP)	2 Watt	80 Watt

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Should you still have questions on choice between Atom Z625 and Xeon E-2456, ask them in Comments section, and we shall answer.

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