Sempron 2800+ vs Core 2 Extreme X7900

Primary details

Comparing Core 2 Extreme X7900 and Sempron 2800+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2704	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core 2 Extreme	no data
Power efficiency	1.49	no data
Architecture codename	Merom (2006−2008)	Manila (2001−2006)
Release date	1 September 2007 (17 years ago)	January 2001 (23 years ago)
Launch price (MSRP)	$851	$104

Detailed specifications

Core 2 Extreme X7900 and Sempron 2800+ 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)	1 (Single-Core)
Threads	2	1
Base clock speed	2.8 GHz	no data
Boost clock speed	2.8 GHz	2 GHz
Bus rate	800 MHz	no data
L1 cache	128 KB	128 KB
L2 cache	4 MB	256K
L3 cache	0 KB	0 KB
Chip lithography	65 nm	130 nm
Die size	143 mm2	144 mm2
Maximum core temperature	100 °C	no data
Number of transistors	no data	81 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	1.1V-1.375V	no data

Compatibility

Information on Core 2 Extreme X7900 and Sempron 2800+ 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	AM2
Power consumption (TDP)	44 Watt	62 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme X7900 and Sempron 2800+. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	-	no data
Demand Based Switching	-	no data
AMT	+	no data
FSB parity	-	no data

Security technologies

Core 2 Extreme X7900 and Sempron 2800+ technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme X7900 and Sempron 2800+ are enumerated here.

VT-x

+

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme X7900 and Sempron 2800+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1

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.

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Pros & cons summary

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Physical cores	2	1
Threads	2	1
Chip lithography	65 nm	130 nm
Power consumption (TDP)	44 Watt	62 Watt

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Should you still have questions on choice between Core 2 Extreme X7900 and Sempron 2800+, ask them in Comments section, and we shall answer.

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