Atom Z3740 vs Phenom II X4 925

Primary details

Comparing Phenom II X4 925 and Atom Z3740 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2145	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.11	no data
Market segment	Desktop processor	Laptop
Architecture codename	Deneb (2009−2011)	Bay Trail-T (2013−2014)
Release date	11 May 2009 (15 years ago)	27 September 2013 (10 years ago)
Launch price (MSRP)	$160	$32

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Phenom II X4 925 and Atom Z3740 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	4 (Quad-Core)	4 (Quad-Core)
Threads	4	4
Base clock speed	2.8 GHz	1.33 GHz
Boost clock speed	2.8 GHz	1.86 GHz
L1 cache	128 KB (per core)	64K (per core)
L2 cache	512 KB (per core)	512K (per core)
L3 cache	6 MB (shared)	0 KB
Chip lithography	45 nm	22 nm
Die size	258 mm2	no data
Maximum core temperature	no data	90 °C
Number of transistors	758 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Phenom II X4 925 and Atom Z3740 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	AM3	UTFCBGA1380
Power consumption (TDP)	95 Watt	2 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X4 925 and Atom Z3740. You'll probably need this information if you require some particular technology.

AES-NI	-	+
Enhanced SpeedStep (EIST)	no data	+
Status	no data	Discontinued

Security technologies

Phenom II X4 925 and Atom Z3740 technologies aimed at improving security, for example, by protecting against hacks.

Secure Key	no data	+
Identity Protection	-	+
Anti-Theft	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X4 925 and Atom Z3740 are enumerated here.

AMD-V	+	-
VT-x	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 925 and Atom Z3740. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	no data	4 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	17.1 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	On certain motherboards (Chipset feature)	Intel® HD Graphics for Intel Atom® Processor Z3700 Series
Quick Sync Video	-	+
Clear Video HD	no data	+
Graphics max frequency	no data	667 MHz

Peripherals

Specifications and connection of peripherals supported by Phenom II X4 925 and Atom Z3740.

PCIe version

2.0

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.

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Pros & cons summary

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Recency	11 May 2009	27 September 2013
Chip lithography	45 nm	22 nm
Power consumption (TDP)	95 Watt	2 Watt

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Should you still have questions on choice between Phenom II X4 925 and Atom Z3740, ask them in Comments section, and we shall answer.

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