A9-9420e vs Core 2 Duo T9900

Place in the ranking	2654	2705
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core 2 Duo	AMD Bristol Ridge
Power efficiency	2.03	4.42
Architecture codename	Penryn (2008−2011)	Stoney Ridge (2016−2019)
Release date	2 June 2009 (15 years ago)	1 June 2018 (6 years ago)
Launch price (MSRP)	$530	no data

Detailed specifications

Core 2 Duo T9900 and A9-9420e 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	no data
Bus rate	1066 MHz	no data
L1 cache	64 KB (per core)	no data
L2 cache	6 MB (shared)	1 MB
L3 cache	6 MB L2 Cache	no data
Chip lithography	45 nm	28 nm
Die size	107 mm²	124.5 mm²
Maximum core temperature	105 °C	90 °C
Number of transistors	410 million	1200 Million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	1.05V-1.2125V	no data

Compatibility

Information on Core 2 Duo T9900 and A9-9420e 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	no data
Socket	BGA479,PGA478	BGA
Power consumption (TDP)	35 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T9900 and A9-9420e. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Virtualization,
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 A9-9420e 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 A9-9420e are enumerated here.

AMD-V	-	+
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T9900 and A9-9420e. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR2, DDR3

DDR4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

AMD Radeon R5 (Stoney Ridge)

Synthetic benchmark performance

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

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.

Core 2 Duo T9900 0.75
+7.1%

A9-9420e 0.70

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Core 2 Duo T9900 1189
+7.4%

A9-9420e 1107