Celeron B820 vs Pentium Dual Core T4300

Place in performance ranking	2558	2791
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium Dual Core	Intel Celeron
Architecture codename	Penryn (2008−2011)	Sandy Bridge (2011−2013)
Release date	1 April 2009 (15 years ago)	31 July 2011 (13 years ago)
Launch price (MSRP)	no data	$86

Detailed specifications

Pentium Dual Core T4300 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	2 (Dual-core)	2 (Dual-core)
Threads	2	2
Base clock speed	2.1 GHz	no data
Boost clock speed	2.1 GHz	1.7 GHz
Bus support	800 MHz	4 × 5 GT/s
L1 cache	128 KB	128 KB
L2 cache	1 MB	512 KB
L3 cache	no data	2 MB
Chip lithography	45 nm	32 nm
Die size	107 mm²	131 mm²
Maximum core temperature	no data	100 °C
Number of transistors	410 million	504 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Pentium Dual Core T4300 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	P	Socket G2
Power consumption (TDP)	35 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Dual Core T4300 and Celeron B820. You'll probably need this information if you require some particular technology.

FMA	no data	+
Enhanced SpeedStep (EIST)	+	+
Idle States	no data	+
Thermal Monitoring	no data	+

Security technologies

Pentium Dual Core T4300 and Celeron B820 technologies aimed at improving security, for example, by protecting against hacks.

EDB

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium Dual Core T4300 and Celeron B820 are enumerated here.

VT-x

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Dual Core T4300 and Celeron B820. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	no data	16 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	21.335 GB/s
ECC memory support	no data	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

Intel HD Graphics (Sandy Bridge)

Peripherals

Specifications and connection of peripherals supported by Pentium Dual Core T4300 and Celeron B820.

PCI Express lanes

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.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Pentium Dual T4300 0.80
+50.9%

Celeron B820 0.53

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Pentium Dual T4300 1232
+50.2%

Celeron B820 820