Pentium 4 HT 640 vs Celeron J1800

Primary details

Comparing Celeron J1800 and Pentium 4 HT 640 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	Desktop processor
Series	Intel Celeron	no data
Architecture codename	Bay Trail-D (2013)	Prescott (2001−2005)
Release date	1 November 2013 (11 years ago)	February 2005 (19 years ago)
Launch price (MSRP)	$72	no data

Detailed specifications

Celeron J1800 and Pentium 4 HT 640 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	2
Base clock speed	2.41 GHz	no data
Boost clock speed	2.58 GHz	3.2 GHz
L1 cache	112 KB	28 KB
L2 cache	1 MB	2 MB
L3 cache	1 MB L2 Cache	0 KB
Chip lithography	22 nm	90 nm
Die size	no data	109 mm2
Maximum core temperature	105 °C	no data
Number of transistors	no data	169 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron J1800 and Pentium 4 HT 640 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	FCBGA1170	775
Power consumption (TDP)	10 Watt	84 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron J1800 and Pentium 4 HT 640. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
PAE	36 Bit	no data
FDI	-	no data
RST	-	no data

Security technologies

Celeron J1800 and Pentium 4 HT 640 technologies aimed at improving security, for example, by protecting against hacks.

EDB	+	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron J1800 and Pentium 4 HT 640 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron J1800 and Pentium 4 HT 640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR1, DDR2, DDR3
Maximum memory size	8 GB	no data
Max memory channels	2	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Intel Atom® Processor Z3700 Series	no data
Quick Sync Video	+	-
Graphics max frequency	792 MHz	no data

Graphics interfaces

Available interfaces and connections of Celeron J1800 and Pentium 4 HT 640 integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Celeron J1800 and Pentium 4 HT 640.

PCIe version	2.0	no data
PCI Express lanes	4	no data

Pros & cons summary

---

Physical cores	2	1
Chip lithography	22 nm	90 nm
Power consumption (TDP)	10 Watt	84 Watt

---

Should you still have questions on choice between Celeron J1800 and Pentium 4 HT 640, 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.

---