Intel Celeron N2940 vs AMD Phenom II X3 P820

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General info

Comparing Phenom II X3 P820 and Celeron N2940 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking25782580
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
Series3x AMD Phenom IIIntel Celeron
Architecture codenameChamplain (2010−2011)Bay Trail-M (2013−2014)
Release date12 May 2010 (13 years old)22 May 2014 (9 years old)
Current priceno data$377

Technical specs

Phenom II X3 P820 and Celeron N2940 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 cores3 (Tri-Core)4 (Quad-Core)
Threads34
Base clock speedno data1.83 GHz
Boost clock speed1.8 GHz2.25 GHz
Bus support3600 MHzno data
L1 cache384 KB56K (per core)
L2 cache1.5 MB512K (per core)
L3 cacheno data0 KB
Chip lithography45 nm22 nm
Maximum core temperatureno data100 °C
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo

Compatibility

Information on Phenom II X3 P820 and Celeron N2940 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 configurationno data1
SocketS1FCBGA1170
Power consumption (TDP)25 Watt7.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X3 P820 and Celeron N2940. 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)no data
AES-NIno data-
VirusProtect+no data
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Smart Connectno data+
Statusno dataDiscontinued

Security technologies

Phenom II X3 P820 and Celeron N2940 technologies aimed at improving security, for example, by protecting against hacks.

EDBno data+
Secure Keyno data+
Anti-Theftno data-

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X3 P820 and Celeron N2940 are enumerated here.

AMD-V+no data
VT-dno data-
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X3 P820 and Celeron N2940. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory sizeno data8 GB
Max memory channelsno data2
Maximum memory bandwidthno data21.32 GB/s
ECC memory supportno data-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® HD Graphics for Intel Atom® Processor Z3700 Series
Quick Sync Videono data+
Graphics max frequencyno data854 MHz

Graphics interfaces

Available interfaces and connections of Phenom II X3 P820 and Celeron N2940 integrated GPUs.

Number of displays supportedno data2

Peripherals

Specifications and connection of peripherals supported by Phenom II X3 P820 and Celeron N2940.

PCIe versionno data2.0
PCI Express lanesno data4
USB revisionno data3.0 and 2.0
Total number of SATA portsno data2
Number of USB portsno data5

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.

Phenom II X3 P820 0.68
Celeron N2940 0.68

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Benchmark coverage: 20%

Phenom II X3 P820 1560
+35.6%
Celeron N2940 1150

Phenom II X3 P820 outperforms Celeron N2940 by 36% in Cinebench 10 32-bit single-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.

Benchmark coverage: 19%

Phenom II X3 P820 4169
+5.3%
Celeron N2940 3958

Phenom II X3 P820 outperforms Celeron N2940 by 5% in Cinebench 10 32-bit multi-core.

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Benchmark coverage: 19%

Phenom II X3 P820 2043
Celeron N2940 2191
+7.2%

Celeron N2940 outperforms Phenom II X3 P820 by 7% in 3DMark06 CPU.

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Benchmark coverage: 17%

Phenom II X3 P820 2
Celeron N2940 2
+3.9%

Celeron N2940 outperforms Phenom II X3 P820 by 4% in Cinebench 11.5 64-bit multi-core.

Gaming performance

Advantages and disadvantages


Recency 12 May 2010 22 May 2014
Physical cores 3 4
Threads 3 4
Chip lithography 45 nm 22 nm
Power consumption (TDP) 25 Watt 7 Watt

We couldn't decide between Phenom II X3 P820 and Celeron N2940. The differences in performance seem too small.


Should you still have questions on choice between Phenom II X3 P820 and Celeron N2940, ask them in Comments section, and we shall answer.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD Phenom II X3 P820
Phenom II X3 P820
Intel Celeron N2940
Celeron N2940

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Questions and comments

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