Pentium G620T vs Core 2 Extreme X7900

Primary details

Comparing Core 2 Extreme X7900 and Pentium G620T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2706	2817
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	3.00
Market segment	Laptop	Desktop processor
Series	Intel Core 2 Extreme	no data
Power efficiency	1.50	1.52
Architecture codename	Merom (2006−2008)	Sandy Bridge (2011−2013)
Release date	1 September 2007 (17 years ago)	22 May 2011 (13 years ago)
Launch price (MSRP)	$851	$80

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core 2 Extreme X7900 and Pentium G620T 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	800 MHz	no data
L1 cache	128 KB	64 KB (per core)
L2 cache	4 MB	256 KB (per core)
L3 cache	0 KB	3 MB (shared)
Chip lithography	65 nm	32 nm
Die size	143 mm2	131 mm2
Maximum core temperature	100 °C	65 °C
Number of transistors	no data	504 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	1.1V-1.375V	no data

Compatibility

Information on Core 2 Extreme X7900 and Pentium G620T 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	PPGA478	FCLGA1155
Power consumption (TDP)	44 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme X7900 and Pentium G620T. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	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	no data	+
Demand Based Switching	-	no data
FDI	no data	+
Fast Memory Access	no data	+
AMT	+	no data
FSB parity	-	no data

Security technologies

Core 2 Extreme X7900 and Pentium G620T technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme X7900 and Pentium G620T are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme X7900 and Pentium G620T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1	DDR3
Maximum memory size	no data	32 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	17 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	1.1 GHz

Graphics interfaces

Available interfaces and connections of Core 2 Extreme X7900 and Pentium G620T integrated GPUs.

Number of displays supported

no data

2

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme X7900 and Pentium G620T.

PCIe version

no data

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	0.71	0.57
Recency	1 September 2007	22 May 2011
Chip lithography	65 nm	32 nm
Power consumption (TDP)	44 Watt	35 Watt

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Should you still have questions on choice between Core 2 Extreme X7900 and Pentium G620T, ask them in Comments section, and we shall answer.

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