A8-7680 vs Core 2 Quad Q9400

Primary details

Comparing Core 2 Quad Q9400 and A8-7680 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2258	1835
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	15.78
Market segment	Desktop processor	Desktop processor
Series	no data	AMD A8
Power efficiency	1.34	4.71
Architecture codename	Yorkfield (2007−2009)	Excavator (2017−2018)
Release date	August 2008 (16 years ago)	26 October 2018 (6 years ago)
Launch price (MSRP)	no data	$56

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core 2 Quad Q9400 and A8-7680 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)	4 (Quad-Core)
Threads	4	4
Base clock speed	2.66 GHz	3.5 GHz
Boost clock speed	2.67 GHz	3.8 GHz
Bus rate	1333 MHz	no data
Multiplier	no data	38
L1 cache	64K (per core)	128K (per core)
L2 cache	6 MB (shared)	1 MB (per core)
L3 cache	0 KB	no data
Chip lithography	45 nm	28 nm
Die size	2x 81 mm2	246 mm2
Maximum case temperature (TCase)	71 °C	74 °C
Number of transistors	456 million	1,178 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Quad Q9400 and A8-7680 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	FM2+
Power consumption (TDP)	95 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400 and A8-7680. You'll probably need this information if you require some particular technology.

AES-NI	-	+
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 Q9400 and A8-7680 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 Q9400 and A8-7680 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 Q9400 and A8-7680. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR3
Maximum memory size	no data	64 GB
Maximum memory bandwidth	no data	14.936 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Radeon R7 Series

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	1.35	2.24
Chip lithography	45 nm	28 nm
Power consumption (TDP)	95 Watt	45 Watt

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Should you still have questions on choice between Core 2 Quad Q9400 and A8-7680, ask them in Comments section, and we shall answer.

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