Celeron B820 vs D 325

Primary details

Comparing Celeron D 325 and Celeron B820 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	2875
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	Intel Celeron
Power efficiency	no data	1.35
Architecture codename	Prescott (2001−2005)	Sandy Bridge (2011−2013)
Release date	June 2004 (20 years ago)	1 July 2012 (12 years ago)
Launch price (MSRP)	no data	$86

Detailed specifications

Celeron D 325 and Celeron B820 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	1 (Single-Core)	2 (Dual-core)
Threads	1	2
Base clock speed	2.53 GHz	1.7 GHz
Boost clock speed	2.53 GHz	1.7 GHz
Bus type	no data	DMI 2.0
Bus rate	no data	4 × 5 GT/s
Multiplier	no data	17
L1 cache	16 KB	64K (per core)
L2 cache	256 KB	256K (per core)
L3 cache	0 KB	2 MB (shared)
Chip lithography	90 nm	32 nm
Die size	109 mm2	131 mm2
Maximum core temperature	67 °C	100 °C
Number of transistors	125 million	504 million
64 bit support	-	+
Windows 11 compatibility	-	-
VID voltage range	1.25V-1.4V	no data

Compatibility

Information on Celeron D 325 and Celeron B820 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 (Uniprocessor)
Socket	PPGA478	FCPGA988,PGA988
Power consumption (TDP)	73 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron D 325 and Celeron B820. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2
FMA	-	+
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	32 Bit	no data
FDI	no data	+
Fast Memory Access	no data	+
FSB parity	-	no data

Security technologies

Celeron D 325 and Celeron B820 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 D 325 and Celeron B820 are enumerated here.

VT-d	no data	-
VT-x	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron D 325 and Celeron B820. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR3
Maximum memory size	no data	16 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel® HD Graphics for 2nd Generation Intel® Processors
Graphics max frequency	no data	1.05 GHz

Graphics interfaces

Available interfaces and connections of Celeron D 325 and Celeron B820 integrated GPUs.

Number of displays supported	no data	2
eDP	no data	+
DisplayPort	-	+
HDMI	-	+
SDVO	no data	+
CRT	no data	+

Peripherals

Specifications and connection of peripherals supported by Celeron D 325 and Celeron B820.

PCIe version	no data	2.0
PCI Express lanes	no data	16

Pros & cons summary

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Physical cores	1	2
Threads	1	2
Chip lithography	90 nm	32 nm
Power consumption (TDP)	73 Watt	35 Watt

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