A6-4455M vs Core 2 Quad Q9400s

Primary details

Comparing Core 2 Quad Q9400s and A6-4455M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	2876
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	AMD A-Series
Power efficiency	no data	2.78
Architecture codename	Yorkfield (2007−2009)	Trinity (2012−2013)
Release date	18 January 2009 (15 years ago)	15 May 2012 (12 years ago)

Detailed specifications

Core 2 Quad Q9400s and A6-4455M 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	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	2.66 GHz	2.1 GHz
Boost clock speed	0.67 GHz	2.6 GHz
Bus rate	1333 MHz	no data
L1 cache	64 KB (per core)	92 KB
L2 cache	6 MB (shared)	2 MB (shared)
L3 cache	0 KB	0 KB
Chip lithography	45 nm	32 nm
Die size	2x 82 mm2	246 mm2
Maximum case temperature (TCase)	76 °C	100 °C
Number of transistors	456 million	1,178 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Quad Q9400s and A6-4455M 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	LGA775	FP2
Power consumption (TDP)	65 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400s and A6-4455M. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA
AES-NI	-	+
FMA	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Core 2 Quad Q9400s and A6-4455M 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 Quad Q9400s and A6-4455M are enumerated here.

AMD-V	-	+
VT-d	+	no data
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400s and A6-4455M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

unknown Dual-channel

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

AMD Radeon HD 7500G (327 - 424 MHz)

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q9400s and A6-4455M.

PCIe version

2.0

no data

Pros & cons summary

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Recency	18 January 2009	15 May 2012
Physical cores	4	2
Threads	4	2
Chip lithography	45 nm	32 nm
Power consumption (TDP)	65 Watt	17 Watt

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