Celeron M 390 vs Xeon W3503

Primary details

Comparing Xeon W3503 and Celeron M 390 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2593	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	Celeron M
Architecture codename	Bloomfield (2008−2010)	Dothan (2004−2005)
Release date	March 2009 (15 years ago)	no data
Launch price (MSRP)	$65	no data
Current price	$25 (0.4x MSRP)	$196

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon W3503 and Celeron M 390 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)	1 (Single-Core)
Threads	2	1
Base clock speed	2.4 GHz	1.7 GHz
Boost clock speed	2.4 GHz	1.7 GHz
Bus support	no data	400 MHz
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	no data
L3 cache	4 MB (shared)	1 MB L2 KB
Chip lithography	45 nm	90 nm
Die size	263 mm2	no data
Maximum core temperature	no data	100 °C
Number of transistors	731 million	no data
64 bit support	+	-
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.8V-1.225V	1.004V-1.292V

Compatibility

Information on Xeon W3503 and Celeron M 390 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	no data
Socket	1366	PPGA478, H-PBGA479
Power consumption (TDP)	130 Watt	21 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W3503 and Celeron M 390. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
AES-NI	-	no data
Enhanced SpeedStep (EIST)	+	-
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	-
Thermal Monitoring	-	no data
Demand Based Switching	+	-
PAE	36 Bit	32 Bit
FSB parity	no data	-
Status	Discontinued	Discontinued

Security technologies

Xeon W3503 and Celeron M 390 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 Celeron M 390 are enumerated here.

VT-x	+	-
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W3503 and Celeron M 390. Depending on the motherboard, higher memory frequencies may be supported.

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

Pros & cons summary

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Physical cores	2	1
Threads	2	1
Chip lithography	45 nm	90 nm
Power consumption (TDP)	130 Watt	21 Watt

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