Pentium D 840 vs Celeron 1000M

Primary details

Comparing Celeron 1000M and Pentium D 840 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2729	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Celeron	no data
Power efficiency	1.83	no data
Architecture codename	Ivy Bridge (2012−2013)	Smithfield (2005)
Release date	20 January 2013 (11 years ago)	May 2005 (19 years ago)
Launch price (MSRP)	$86	no data

Detailed specifications

Celeron 1000M and Pentium D 840 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	2
Base clock speed	1.8 GHz	3.2 GHz
Boost clock speed	1.8 GHz	3.2 GHz
Bus rate	5 GT/s	no data
L1 cache	64K (per core)	28 KB
L2 cache	256K (per core)	2 MB
L3 cache	2 MB (shared)	0 KB
Chip lithography	22 nm	90 nm
Die size	118 mm2	206 mm2
Maximum core temperature	105 °C	70 °C
Maximum case temperature (TCase)	105 °C	no data
Number of transistors	1,400 million	169 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	no data	1.2V-1.4V

Compatibility

Information on Celeron 1000M and Pentium D 840 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	2
Socket	FCPGA988	PLGA775
Power consumption (TDP)	35 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 1000M and Pentium D 840. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
Enhanced SpeedStep (EIST)	+	+
My WiFi	-	no data
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Demand Based Switching	-	-
PAE	no data	32 Bit
FDI	+	no data
Fast Memory Access	+	no data
FSB parity	no data	-

Security technologies

Celeron 1000M and Pentium D 840 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 1000M and Pentium D 840 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 1000M and Pentium D 840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR1, DDR2, DDR3
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 3rd Generation Intel® Processors	no data
Graphics max frequency	1 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron 1000M and Pentium D 840 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
SDVO	+	no data
CRT	+	no data

Peripherals

Specifications and connection of peripherals supported by Celeron 1000M and Pentium D 840.

PCIe version	2.0	no data
PCI Express lanes	16	no data

Pros & cons summary

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Chip lithography	22 nm	90 nm
Power consumption (TDP)	35 Watt	130 Watt

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