AMD Phenom II X3 P840: specs and benchmarks

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Games supported 99%
AMD Phenom II X3 P840
AMD Phenom II X3 P840
  • Interface
  • Core clock speed
  • Max video memory
  • Memory type
  • Memory clock speed
  • Maximum resolution
Year of release 2010
Performance 11.70


AMD started AMD Phenom II X3 P840 sales 4 October 2010. This is Champlain architecture notebook processor primarily aimed at office systems. It has 3 cores and 3 threads, and is based on 45 nm manufacturing technology, with a maximum frequency of 1900 MHz and a locked multiplier.

Compatibility-wise, this is S1 processor with a TDP of 25 Watt. It supports DDR3 memory.

It provides poor benchmark performance at


of a leader's which is AMD Ryzen Threadripper PRO 5995WX.

General info

Of Phenom II X3 P840 processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in performance rating503
Market segmentLaptop
Series3x AMD Phenom II
Architecture codenameChamplain (2010−2011)
Release date4 October 2010 (11 years ago)

Technical specs

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores3 (Tri-Core)
Boost clock speed1.9 GHzof 5.5 (Core i9-12900KS)
Bus support3600 MHz
L1 cache384 KBof 1536 (EPYC Embedded 3401)
L2 cache1.5 MBof 12 (Core 2 Quad Q9550)
Chip lithography45 nmof 5 (Apple M1)
64 bit support+
Windows 11 compatibility-


Information on Phenom II X3 P840 compatibility with other computer components and devices: 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.

Thermal design power (TDP)25 Wattof 400 (Xeon Platinum 9282)

Technologies and extensions

Technological capabilities and additional instructions supported by Phenom II X3 P840. You'll probably need this information if you require some particular technology.

Instruction set extensionsintegrated DDR3 Memory Controller, Virtualization, AMD64, Advanced Virus Protection, SSE(1,2,3,4a)

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.


Memory specs

Types, maximum amount and channel number of RAM supported by Phenom II X3 P840's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory typesDDR3of 4800 (Ryzen 9 6980HX)

Benchmark performance

Single-core and multi-core benchmark results of Phenom II X3 P840. Overall benchmark performance is measured in points in 0-100 range, higher is better.

Overall 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.

Phenom II X3 P840 11.70
  • Cinebench 10 32-bit multi-core

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Phenom II X3 P840 4425

Relative perfomance

Overall Phenom II X3 P840 performance compared to nearest competitors among notebook CPUs.

Intel equivalent

We believe that the nearest equivalent to Phenom II X3 P840 from Intel is Core i3-1215U, which is faster by 2% and higher by 11 positions in our rating.

Intel Core i3-1215U Core i3 1215U

Here are some closest Intel rivals to Phenom II X3 P840:

Similar processors

Here is our recommendation of several processors that are more or less close in performance to the one reviewed.

AMD Phenom II X2 N620 Phenom II X2 N620
AMD Phenom II X4 P960 Phenom II X4 P960
AMD Phenom II X2 X640 BE Phenom II X2 X640 BE
AMD Phenom II X4 N970 Phenom II X4 N970
AMD Phenom II X4 P920 Phenom II X4 P920
AMD Phenom II X4 X920 BE Phenom II X4 X920 BE

Recommended graphics cards

These graphics cards are most commonly used with Phenom II X3 P840 according to our statistics.

User rating

Here is the rating given to the reviewed processor by our users. Let others know your opinion by rating it yourself.

4.7 12 ratings

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Questions and comments

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