Athlon 64 X2 4200+ vs Core 2 Duo T9900

Primary details

Comparing Core 2 Duo T9900 and Athlon 64 X2 4200+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2645	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core 2 Duo	no data
Power efficiency	2.03	no data
Architecture codename	Penryn (2008−2011)	Manchester (2005−2006)
Release date	2 June 2009 (15 years ago)	December 2006 (17 years ago)
Launch price (MSRP)	$530	$309

Detailed specifications

Core 2 Duo T9900 and Athlon 64 X2 4200+ 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	3.06 GHz	no data
Boost clock speed	0.07 GHz	2.2 GHz
Bus rate	1066 MHz	no data
L1 cache	64 KB (per core)	256K
L2 cache	6 MB (shared)	512 KB
L3 cache	6 MB L2 Cache	0 KB
Chip lithography	45 nm	90 nm
Die size	107 mm2	220 mm2
Maximum core temperature	105 °C	no data
Number of transistors	410 million	154 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	1.05V-1.2125V	no data

Compatibility

Information on Core 2 Duo T9900 and Athlon 64 X2 4200+ 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	BGA479,PGA478	939
Power consumption (TDP)	35 Watt	89 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T9900 and Athlon 64 X2 4200+. 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
Demand Based Switching	-	no data

Security technologies

Core 2 Duo T9900 and Athlon 64 X2 4200+ 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 Duo T9900 and Athlon 64 X2 4200+ are enumerated here.

VT-x

+

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T9900 and Athlon 64 X2 4200+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR2, DDR3

no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

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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Chip lithography	45 nm	90 nm
Power consumption (TDP)	35 Watt	89 Watt

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Should you still have questions on choice between Core 2 Duo T9900 and Athlon 64 X2 4200+, ask them in Comments section, and we shall answer.

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