Celeron M 585 vs U3405

Primary details

Comparing Celeron U3405 and Celeron M 585 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	Intel Celeron M
Architecture codename	Westmere (2010−2011)	Merom (2006−2008)
Release date	no data (2024 years ago)	20 August 2008 (16 years ago)
Launch price (MSRP)	no data	$70

Detailed specifications

Celeron U3405 and Celeron M 585 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	1.06 GHz	no data
Boost clock speed	0.07 GHz	2.16 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	667 MHz
Multiplier	8	no data
L1 cache	128 KB	no data
L2 cache	512 KB	1 MB
L3 cache	2 MB	no data
Chip lithography	32 nm	65 nm
Die size	81 mm2	143 mm2
Maximum core temperature	90 °C	100 °C
Number of transistors	382 Million	291 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron U3405 and Celeron M 585 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)	no data
Socket	BGA1288	PPGA478
Power consumption (TDP)	18 Watt	31 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron U3405 and Celeron M 585. You'll probably need this information if you require some particular technology.

FMA	+	-
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
PAE	36 Bit	no data
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Celeron U3405 and Celeron M 585 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 Celeron U3405 and Celeron M 585 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron U3405 and Celeron M 585. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066	no data
Maximum memory size	8 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	17.051 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Previous Generation Intel® Processors	no data
Clear Video	+	no data
Graphics max frequency	500 MHz	no data

Graphics interfaces

Available interfaces and connections of Celeron U3405 and Celeron M 585 integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Celeron U3405 and Celeron M 585.

PCIe version	2.0	no data
PCI Express lanes	16	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	2	1
Threads	2	1
Chip lithography	32 nm	65 nm
Power consumption (TDP)	18 Watt	31 Watt

---

Should you still have questions on choice between Celeron U3405 and Celeron M 585, 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.

---