A9-9420e vs Core 2 Quad Q9400

Place in performance ranking	2207	2670
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	AMD Bristol Ridge
Architecture codename	Yorkfield (2007−2009)	Stoney Ridge (2016−2019)
Release date	August 2008 (16 years ago)	1 June 2018 (6 years ago)

Detailed specifications

Core 2 Quad Q9400 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	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	2.66 GHz	no data
Boost clock speed	2.67 GHz	no data
Bus rate	1333 MHz	no data
L1 cache	64K (per core)	no data
L2 cache	6 MB (shared)	1 MB
L3 cache	0 KB	no data
Chip lithography	45 nm	28 nm
Die size	2x 81 mm²	124.5 mm²
Maximum core temperature	no data	90 °C
Maximum case temperature (TCase)	71 °C	no data
Number of transistors	456 million	1200 Million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Quad Q9400 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	LGA775	BGA
Power consumption (TDP)	95 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400 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
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	-	no data
FSB parity	-	no data
Status	Discontinued	no data

Security technologies

Core 2 Quad Q9400 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 Quad Q9400 and A9-9420e 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 A9-9420e. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

DDR4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

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 Quad Q9400 1.38
+94.4%

A9-9420e 0.71

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 Quad Q9400 2129
+92.8%

A9-9420e 1104