Atom 330 vs Xeon W3503

Primary details

Comparing Xeon W3503 and Atom 330 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2699	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.15	no data
Market segment	Server	Laptop
Series	no data	Intel Atom
Power efficiency	0.51	no data
Architecture codename	Bloomfield (2008−2010)	Diamondville (2008−2009)
Release date	30 March 2009 (15 years ago)	2 April 2008 (16 years ago)
Launch price (MSRP)	$65	$43

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon W3503 and Atom 330 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	2.4 GHz	1.6 GHz
Boost clock speed	2.4 GHz	0.1 GHz
Bus type	no data	FSB
Bus rate	no data	533.33 MT/s
Multiplier	no data	12
L1 cache	64 KB (per core)	112 KB
L2 cache	256 KB (per core)	1 MB
L3 cache	4 MB (shared)	0 KB
Chip lithography	45 nm	45 nm
Die size	263 mm2	51.9276 mm2
Maximum core temperature	no data	85 °C
Number of transistors	731 million	94 Million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.8V-1.225V	0.9V-1.1625V

Compatibility

Information on Xeon W3503 and Atom 330 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 (Uniprocessor)
Socket	1366	PBGA437
Power consumption (TDP)	130 Watt	8 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W3503 and Atom 330. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE2, Intel® SSE3, Intel® SSSE3
Enhanced SpeedStep (EIST)	+	-
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	+
Idle States	+	no data
Demand Based Switching	+	-
PAE	36 Bit	no data
FSB parity	no data	-

Security technologies

Xeon W3503 and Atom 330 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W3503 and Atom 330 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W3503 and Atom 330. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	24 GB	8 GB
Max memory channels	3	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

-

Peripherals

Specifications and connection of peripherals supported by Xeon W3503 and Atom 330.

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	30 March 2009	2 April 2008
Threads	2	4
Power consumption (TDP)	130 Watt	8 Watt

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Should you still have questions on choice between Xeon W3503 and Atom 330, ask them in Comments section, and we shall answer.

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