Celeron B815 vs Athlon 64 X2 TK-42

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Athlon 64 X2 TK-42 Turion 64 X2 TL-53 Turion 64 X2 TL-58 Turion 64 X2 TL-62 Turion 64 X2 TL-68
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Aggregate performance score

Athlon 64 X2 TK-42
2009
2 cores / 2 threads, 20 Watt
0.36
Celeron B815
2012
2 cores / 2 threads, 35 Watt
0.46
+27.8%

Celeron B815 outperforms Athlon 64 X2 TK-42 by a significant 28% based on our aggregate benchmark results.

Contents

Athlon 64 X2 TK-42 Athlon 64 X2 TK-42
Celeron B815 Celeron B815

Primary details

Comparing Athlon 64 X2 TK-42 and Celeron B815 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking30492938
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
Series2x AMD Athlon 64Intel Celeron
Power efficiency1.701.24
Architecture codenameTyler (2007−2009)Sandy Bridge (2011−2013)
Release date1 November 2009 (15 years ago)1 January 2012 (12 years ago)
Launch price (MSRP)no data$86

Detailed specifications

Athlon 64 X2 TK-42 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 speed1.6 GHz1.6 GHz
Bus typeno dataDMI 2.0
Bus rate1600 MHz4 × 5 GT/s
Multiplierno data16
L1 cache0 MB128 KB
L2 cache1 MB512 KB
L3 cacheno data2 MB (shared)
Chip lithography65 nm32 nm
Die sizeno data131 mm2
Maximum core temperature95 °C100 °C
Number of transistorsno data504 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Athlon 64 X2 TK-42 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)
SocketSocket S1FCPGA988,PGA988
Power consumption (TDP)20 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon 64 X2 TK-42 and Celeron B815. You'll probably need this information if you require some particular technology.

Instruction set extensions86x Enhanced Virus Protection (EVP), MMX, PowerNow, SSE3,-64, Enhanced 3DNowIntel® SSE4.1, Intel® SSE4.2
FMA-+
PowerNow+-
VirusProtect+-
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 64 X2 TK-42 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 64 X2 TK-42 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 64 X2 TK-42 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 64 X2 TK-42 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 64 X2 TK-42 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 64 X2 TK-42 0.36
Celeron B815 0.46
+27.8%

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 64 X2 TK-42 577
Celeron B815 731
+26.7%

Gaming performance

Pros & cons summary

Performance score 0.36 0.46
Recency 1 November 2009 1 January 2012
Chip lithography 65 nm 32 nm
Power consumption (TDP) 20 Watt 35 Watt

Athlon 64 X2 TK-42 has 75% lower power consumption.

Celeron B815, on the other hand, has a 27.8% higher aggregate performance score, an age advantage of 2 years, and a 103.1% more advanced lithography process.

The Celeron B815 is our recommended choice as it beats the Athlon 64 X2 TK-42 in performance tests.

Should you still have questions on choice between Athlon 64 X2 TK-42 and Celeron B815, ask them in Comments section, and we shall answer.

Vote for your favorite

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

AMD Athlon 64 X2 TK-42
Athlon 64 X2 TK-42
Intel Celeron B815
Celeron B815
Like
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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.

3.3 8 votes

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2.5 251 vote

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Questions & comments

Here you can ask a question about Athlon 64 X2 TK-42 or Celeron B815, agree or disagree with our judgements, or report an error or mismatch.