Atom Z2560 vs Core 2 Duo E8400

Primary details

Comparing Core 2 Duo E8400 and Atom Z2560 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2669	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Power efficiency	1.06	no data
Architecture codename	Wolfdale (2008−2010)	Clovertrail (2013)
Release date	1 January 2008 (16 years ago)	27 February 2013 (11 years ago)

Detailed specifications

Core 2 Duo E8400 and Atom Z2560 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	2 (Dual-core)	2 (Dual-core)
Threads	2	4
Base clock speed	3 GHz	no data
Boost clock speed	3 GHz	1.6 GHz
Bus rate	1333 MHz	no data
L1 cache	64 KB (per core)	64K (per core)
L2 cache	6 MB (shared)	512K (per core)
L3 cache	0 KB	0 KB
Chip lithography	45 nm	32 nm
Die size	104 mm2	65 mm2
Maximum core temperature	no data	90 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	410 million	140 million
64 bit support	+	-
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Duo E8400 and Atom Z2560 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	1
Socket	LGA775	FC-MB4760
Power consumption (TDP)	65 Watt	3 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8400 and Atom Z2560. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE2, Intel® SSE3, Intel® SSSE3
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	+	+
Demand Based Switching	-	no data
PAE	no data	32 Bit
Smart Idle	no data	+
FSB parity	-	no data

Security technologies

Core 2 Duo E8400 and Atom Z2560 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E8400 and Atom Z2560 are enumerated here.

VT-d	+	no data
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8400 and Atom Z2560. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR2
Maximum memory size	no data	2 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	8.5 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

PowerVR SGX544MP2 (400 MHz)

Graphics interfaces

Available interfaces and connections of Core 2 Duo E8400 and Atom Z2560 integrated GPUs.

Number of displays supported

no data

2

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E8400 and Atom Z2560.

PCIe version	2.0	no data
USB revision	no data	2.0 OTG, USB-SPH 2.0
Number of USB ports	no data	2
UART	no data	3

Pros & cons summary

---

Recency	1 January 2008	27 February 2013
Threads	2	4
Chip lithography	45 nm	32 nm
Power consumption (TDP)	65 Watt	3 Watt

---

Should you still have questions on choice between Core 2 Duo E8400 and Atom Z2560, 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.

---