Celeron G550T vs Pentium G840

Primary details

Comparing Pentium G840 and Celeron G550T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2609	2722
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.61	no data
Market segment	Desktop processor	Desktop processor
Power efficiency	1.15	1.82
Architecture codename	Sandy Bridge (2011−2013)	Sandy Bridge (2011−2013)
Release date	22 May 2011 (13 years ago)	4 September 2011 (13 years ago)
Launch price (MSRP)	$60	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium G840 and Celeron G550T 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	2.8 GHz	2.2 GHz
Boost clock speed	2.8 GHz	2.2 GHz
Bus rate	no data	5 GT/s
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	3 MB (shared)	2 MB (shared)
Chip lithography	32 nm	32 nm
Die size	131 mm2	131 mm2
Maximum core temperature	69 °C	65 °C
Number of transistors	504 million	504 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Pentium G840 and Celeron G550T 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	FCLGA1155	FCLGA1155
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G840 and Celeron G550T. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	+
FDI	+	+
Fast Memory Access	+	+

Security technologies

Pentium G840 and Celeron G550T technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium G840 and Celeron G550T are enumerated here.

VT-d	-	-
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G840 and Celeron G550T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	32 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	17 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	Intel® HD Graphics for 2nd Generation Intel® Processors
Clear Video HD	-	-
Graphics max frequency	1.1 GHz	1 GHz
InTru 3D	-	-

Graphics interfaces

Available interfaces and connections of Pentium G840 and Celeron G550T integrated GPUs.

Number of displays supported

2

2

Peripherals

Specifications and connection of peripherals supported by Pentium G840 and Celeron G550T.

PCIe version

2.0

2.0

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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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.

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Pros & cons summary

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Performance score	0.82	0.70
Recency	22 May 2011	4 September 2011
Power consumption (TDP)	65 Watt	35 Watt

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Should you still have questions on choice between Pentium G840 and Celeron G550T, ask them in Comments section, and we shall answer.

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