Phenom X4 9850B vs Athlon II X2 245

Primary details

Comparing Athlon II X2 245 and Phenom X4 9850B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2718	2330
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	5.89	no data
Market segment	Desktop processor	Desktop processor
Power efficiency	1.02	1.23
Architecture codename	Regor (2009−2013)	Agena (2007−2008)
Release date	23 July 2009 (15 years ago)	August 2008 (16 years ago)
Launch price (MSRP)	$35	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Athlon II X2 245 and Phenom X4 9850B 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)	4 (Quad-Core)
Threads	2	4
Base clock speed	2.9 GHz	no data
Boost clock speed	2.9 GHz	2.5 GHz
L1 cache	256 KB	128 KB (per core)
L2 cache	2 MB	512 KB (per core)
L3 cache	0 KB	2 MB (shared)
Chip lithography	45 nm	65 nm
Die size	117 mm2	285 mm2
Number of transistors	410 million	450 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Athlon II X2 245 and Phenom X4 9850B 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	AM3	AM2+
Power consumption (TDP)	65 Watt	95 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X2 245 and Phenom X4 9850B are enumerated here.

AMD-V

-

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X2 245 and Phenom X4 9850B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

no data

Peripherals

Specifications and connection of peripherals supported by Athlon II X2 245 and Phenom X4 9850B.

PCIe version

2.0

no data

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	0.70	1.23
Physical cores	2	4
Threads	2	4
Chip lithography	45 nm	65 nm
Power consumption (TDP)	65 Watt	95 Watt

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Should you still have questions on choice between Athlon II X2 245 and Phenom X4 9850B, ask them in Comments section, and we shall answer.

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