Athlon 64 X2 5400+ vs Atom Z550

Primary details

Comparing Atom Z550 and Athlon 64 X2 5400+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	2815
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Atom	no data
Power efficiency	no data	0.61
Architecture codename	Silverthorne (2008−2010)	Windsor (2006−2007)
Release date	8 April 2009 (15 years ago)	December 2006 (17 years ago)

Detailed specifications

Atom Z550 and Athlon 64 X2 5400+ 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)	2 (Dual-core)
Threads	2	2
Base clock speed	2 GHz	no data
Boost clock speed	2 GHz	2.8 GHz
Bus type	FSB	no data
Bus rate	533.33 MT/s	no data
Multiplier	15	no data
L1 cache	56 KB (per core)	256 KB
L2 cache	512 KB (per core)	512 KB
L3 cache	0 KB	0 KB
Chip lithography	45 nm	90 nm
Die size	26 mm2	220 mm2
Maximum core temperature	90 °C	no data
Number of transistors	47 million	154 million
64 bit support	-	+
Windows 11 compatibility	-	-

Compatibility

Information on Atom Z550 and Athlon 64 X2 5400+ 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	PBGA441	AM2
Power consumption (TDP)	2.4 Watt	89 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z550 and Athlon 64 X2 5400+. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	+	no data
FSB parity	-	no data

Security technologies

Atom Z550 and Athlon 64 X2 5400+ 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 Atom Z550 and Athlon 64 X2 5400+ are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z550 and Athlon 64 X2 5400+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

unknown

no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

---

---

Pros & cons summary

---

Physical cores	1	2
Chip lithography	45 nm	90 nm
Power consumption (TDP)	2 Watt	89 Watt

---

Should you still have questions on choice between Atom Z550 and Athlon 64 X2 5400+, 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.

---