Celeron B815 vs Athlon II P340

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Aggregate performance score

Athlon II P340
2010
2 cores / 2 threads, 25 Watt
0.45
Celeron B815
2012
2 cores / 2 threads, 35 Watt
0.46
+2.2%

Celeron B815 outperforms Athlon II P340 by a minimal 2% based on our aggregate benchmark results.

Primary details

Comparing Athlon II P340 and Celeron B815 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking29502938
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Athlon IIIntel Celeron
Power efficiency1.701.24
Architecture codenameChamplain (2010−2011)Sandy Bridge (2011−2013)
Release date4 October 2010 (14 years ago)1 January 2012 (12 years ago)
Launch price (MSRP)no data$86

Detailed specifications

Athlon II P340 and Celeron B815 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 cores2 (Dual-core)2 (Dual-core)
Threads22
Base clock speedno data1.6 GHz
Boost clock speed2.2 GHz1.6 GHz
Bus typeno dataDMI 2.0
Bus rate3200 MHz4 × 5 GT/s
Multiplierno data16
L1 cache256 KB64K (per core)
L2 cache1 MB256K (per core)
L3 cacheno data2 MB (shared)
Chip lithography45 nm32 nm
Die sizeno data131 mm2
Maximum core temperatureno data100 °C
Number of transistorsno data504 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Athlon II P340 and Celeron B815 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 (Uniprocessor)
SocketS1g4FCPGA988,PGA988
Power consumption (TDP)25 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II P340 and Celeron B815. You'll probably need this information if you require some particular technology.

Instruction set extensionsSSE-3, SSE4A, 3DNow!, MMX, DEP, SVMIntel® SSE4.1, Intel® SSE4.2
FMA-+
Enhanced SpeedStep (EIST)no data+
My WiFino data-
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
Demand Based Switchingno data-
FDIno data+
Fast Memory Accessno data+

Security technologies

Athlon II P340 and Celeron B815 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+
Anti-Theftno data-

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II P340 and Celeron B815 are enumerated here.

VT-dno data-
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II P340 and Celeron B815. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR3
Maximum memory sizeno data16 GB
Max memory channelsno data2
Maximum memory bandwidthno data21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics for 2nd Generation Intel Processors
Graphics max frequencyno data1.05 GHz

Graphics interfaces

Available interfaces and connections of Athlon II P340 and Celeron B815 integrated GPUs.

Number of displays supportedno data2
eDPno data+
DisplayPort-+
HDMI-+
SDVOno data+
CRTno data+

Peripherals

Specifications and connection of peripherals supported by Athlon II P340 and Celeron B815.

PCIe versionno data2.0
PCI Express lanesno data16

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.

Athlon II P340 0.45
Celeron B815 0.46
+2.2%

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.

Athlon II P340 710
Celeron B815 731
+3%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Athlon II P340 187
Celeron B815 243
+29.9%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Athlon II P340 307
Celeron B815 413
+34.5%

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.

Athlon II P340 1895
Celeron B815 2093
+10.4%

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.

Athlon II P340 3648
Celeron B815 4029
+10.5%

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.

Athlon II P340 1801
+9.5%
Celeron B815 1645

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Athlon II P340 34.8
+27.3%
Celeron B815 44.3

Gaming performance

Pros & cons summary


Performance score 0.45 0.46
Recency 4 October 2010 1 January 2012
Chip lithography 45 nm 32 nm
Power consumption (TDP) 25 Watt 35 Watt

Athlon II P340 has 40% lower power consumption.

Celeron B815, on the other hand, has a 2.2% higher aggregate performance score, an age advantage of 1 year, and a 40.6% more advanced lithography process.

Given the minimal performance differences, no clear winner can be declared between Athlon II P340 and Celeron B815.


Should you still have questions on choice between Athlon II P340 and Celeron B815, ask them in Comments section, and we shall answer.

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AMD Athlon II P340
Athlon II P340
Intel Celeron B815
Celeron B815

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Community ratings

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