Celeron P4505 vs i7-640UM

Primary details

Comparing Core i7-640UM and Celeron P4505 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2654	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Celeron
Power efficiency	3.92	no data
Architecture codename	Arrandale (2010−2011)	Westmere (2010−2011)
Release date	7 January 2010 (14 years ago)	28 March 2010 (14 years ago)
Launch price (MSRP)	$305	no data

Detailed specifications

Core i7-640UM and Celeron P4505 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	4	2
Base clock speed	1.2 GHz	1.86 GHz
Boost clock speed	2.27 GHz	0.07 GHz
Bus type	DMI 1.0	DMI 1.0
Bus rate	1 × 2.5 GT/s	1 × 2.5 GT/s
Multiplier	9	14
L1 cache	128 KB	128 KB
L2 cache	512 KB	512 KB
L3 cache	4 MB (shared)	2 MB
Chip lithography	32 nm	32 nm
Die size	81+114 mm2	81 mm2
Maximum core temperature	105 °C	90 °C
Number of transistors	382+177 Million	382 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-640UM and Celeron P4505 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 (Uniprocessor)
Socket	BGA1288	BGA1288
Power consumption (TDP)	18 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-640UM and Celeron P4505. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	+	-
FMA	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	+	-
Hyper-Threading Technology	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	+
PAE	36 Bit	36 Bit
FDI	+	+
Fast Memory Access	+	+

Security technologies

Core i7-640UM and Celeron P4505 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-640UM and Celeron P4505 are enumerated here.

VT-d	+	-
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-640UM and Celeron P4505. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800	DDR3-800, DDR3-1066
Maximum memory size	8 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	12.799 GB/s	17.051 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Previous Generation Intel® Processors	Intel® HD Graphics for Previous Generation Intel® Processors
Clear Video	+	+
Clear Video HD	+	-
Graphics max frequency	500 MHz	667 MHz

Graphics interfaces

Available interfaces and connections of Core i7-640UM and Celeron P4505 integrated GPUs.

Number of displays supported

2

2

Peripherals

Specifications and connection of peripherals supported by Core i7-640UM and Celeron P4505.

PCIe version	2.0	2.0
PCI Express lanes	16	16

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	7 January 2010	28 March 2010
Threads	4	2
Power consumption (TDP)	18 Watt	35 Watt

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Should you still have questions on choice between Core i7-640UM and Celeron P4505, ask them in Comments section, and we shall answer.

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