HD Graphics 620 vs Celeron B840

Primary details

Comparing Celeron B840 and HD Graphics 620 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2801	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	Intel HD Graphics
Power efficiency	1.65	no data
Architecture codename	Sandy Bridge (2011−2013)	Gen9.5
Release date	1 July 2011 (13 years ago)	no data
Launch price (MSRP)	$86	no data

Detailed specifications

Celeron B840 and HD Graphics 620 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)	no data
Threads	2	no data
Boost clock speed	1.9 GHz	0.35 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	19	no data
L1 cache	128 KB	no data
L2 cache	512 KB	no data
L3 cache	2 MB (shared)	no data
Chip lithography	32 nm	14 nm0.014 μm 1.4e-5 mm
Die size	131 mm2	no data
Maximum core temperature	100 °C	no data
Number of transistors	504 million	no data
64 bit support	+	-
Windows 11 compatibility	-	-

Compatibility

Information on Celeron B840 and HD Graphics 620 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)	no data
Socket	G2 (988B)	no data
Power consumption (TDP)	35 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B840 and HD Graphics 620. You'll probably need this information if you require some particular technology.

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

Security technologies

Celeron B840 and HD Graphics 620 technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron B840 and HD Graphics 620 are enumerated here.

VT-x

+

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron B840 and HD Graphics 620. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	16 GB	65,536 MB 67,108,864 KB 68,719,476,736 B 0.0625 TiB 64 GB
Max memory channels	2	no data
Maximum memory bandwidth	21.335 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel HD Graphics (Sandy Bridge) (650 - 950 MHz)

no data

Pros & cons summary

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Chip lithography

32 nm

14 nm

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