Celeron B820 vs A4-3305M

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Aggregate performance score

A4-3305M
2011
2 cores / 2 threads, 35 Watt
0.47
Celeron B820
2012
2 cores / 2 threads, 35 Watt
0.50
+6.4%

Celeron B820 outperforms A4-3305M by a small 6% based on our aggregate benchmark results.

Primary details

Comparing A4-3305M and Celeron B820 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking29212889
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD A-SeriesIntel Celeron
Power efficiency1.271.35
Architecture codenameLlano (2011−2012)Sandy Bridge (2011−2013)
Release date14 June 2011 (13 years ago)1 July 2012 (12 years ago)
Launch price (MSRP)no data$86

Detailed specifications

A4-3305M and Celeron B820 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 speed1.9 GHz1.7 GHz
Boost clock speed2.5 GHz1.7 GHz
Bus typeno dataDMI 2.0
Bus rateno data4 × 5 GT/s
Multiplierno data17
L1 cache128K (per core)64K (per core)
L2 cache512K (per core)256K (per core)
L3 cache0 KB2 MB (shared)
Chip lithography32 nm32 nm
Die size228 mm2131 mm2
Maximum core temperatureno data100 °C
Number of transistors1,178 million504 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on A4-3305M and Celeron B820 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 configuration11 (Uniprocessor)
SocketFS1FCPGA988,PGA988
Power consumption (TDP)35 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A4-3305M and Celeron B820. You'll probably need this information if you require some particular technology.

Instruction set extensions3DNow!, MMX, SSE, SSE2, SSE3, SSE4a, Radeon HD 6480GIntel® 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

A4-3305M and Celeron B820 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 A4-3305M and Celeron B820 are enumerated here.

AMD-V+-
VT-dno data-
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by A4-3305M and Celeron B820. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
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 card
Compare
AMD Radeon HD 6480G (593 MHz)Intel HD Graphics for 2nd Generation Intel Processors
Graphics max frequencyno data1.05 GHz

Graphics interfaces

Available interfaces and connections of A4-3305M and Celeron B820 integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by A4-3305M and Celeron B820.

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.

A4-3305M 0.47
Celeron B820 0.50
+6.4%

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.

A4-3305M 751
Celeron B820 802
+6.8%

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.

A4-3305M 236
Celeron B820 280
+18.6%

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.

A4-3305M 361
Celeron B820 492
+36.3%

Gaming performance

Pros & cons summary


Performance score 0.47 0.50
Integrated graphics card 0.66 0.77
Recency 14 June 2011 1 July 2012

Celeron B820 has a 6.4% higher aggregate performance score, 16.7% faster integrated GPU, and an age advantage of 1 year.

Given the minimal performance differences, no clear winner can be declared between A4-3305M and Celeron B820.


Should you still have questions on choice between A4-3305M and Celeron B820, ask them in Comments section, and we shall answer.

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AMD A4-3305M
A4-3305M
Intel Celeron B820
Celeron B820

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Community ratings

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Questions & comments

Here you can ask a question about A4-3305M or Celeron B820, agree or disagree with our judgements, or report an error or mismatch.