A9-9420e vs Core 2 Extreme X7900

Place in performance ranking	2560	2553
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core 2 Extreme	AMD Bristol Ridge
Architecture codename	Merom (2006−2008)	Stoney Ridge (2016−2019)
Release date	1 September 2007 (16 years old)	1 June 2018 (5 years old)
Launch price (MSRP)	$851	no data
Current price	$170 (0.2x MSRP)	$380

Technical specs

Core 2 Extreme X7900 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	2.8 GHz	no data
Boost clock speed	2.8 GHz	2.5 GHz
Bus support	800 MHz	no data
L1 cache	128 KB	no data
L2 cache	4 MB	1 MB
L3 cache	0 KB	no data
Chip lithography	65 nm	28 nm
Die size	143 mm²	124.5 mm²
Maximum core temperature	100 °C	90 °C
Number of transistors	no data	1200 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	1.1V-1.375V	no data

Compatibility

Information on Core 2 Extreme X7900 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	PPGA478	BGA
Power consumption (TDP)	44 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme X7900 and A9-9420e. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Single-Channel DDR4-2133?, Virtualization,
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	-	no data
Demand Based Switching	-	no data
AMT	+	no data
FSB parity	-	no data
Status	Discontinued	no data

Security technologies

Core 2 Extreme X7900 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 Extreme X7900 and A9-9420e are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme X7900 and A9-9420e. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1

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 Extreme X7900 0.72

A9-9420e 0.72

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.

Benchmark coverage: 68%

Core 2 Extreme X7900 1104

A9-9420e 1108
+0.4%