Celeron N2840 vs A4 Micro-6400T

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Primary details

Comparing A4 Micro-6400T and Celeron N2840 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2721not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD A-SeriesIntel Celeron
Power efficiency14.24no data
Architecture codenameMullins (2014)Bay Trail-M (2013−2014)
Release date29 April 2014 (10 years ago)22 May 2014 (10 years ago)

Detailed specifications

A4 Micro-6400T and Celeron N2840 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 cores4 (Quad-Core)2 (Dual-core)
Threads42
Base clock speed1 GHz2.16 GHz
Boost clock speed1.6 GHz2.58 GHz
L1 cacheno data56K (per core)
L2 cache2048 KB512K (per core)
L3 cacheno data0 KB
Chip lithography28 nm22 nm
Maximum core temperatureno data100 °C
64 bit support++
Windows 11 compatibility--

Compatibility

Information on A4 Micro-6400T and Celeron N2840 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
SocketFT3bFCBGA1170
Power consumption (TDP)4.5 Watt7.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A4 Micro-6400T and Celeron N2840. You'll probably need this information if you require some particular technology.

Instruction set extensions86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVXno data
AES-NI+-
FMAFMA4-
AVX+-
PowerNow+-
PowerGating+-
VirusProtect+-
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Smart Connectno data+

Security technologies

A4 Micro-6400T and Celeron N2840 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 A4 Micro-6400T and Celeron N2840 are enumerated here.

AMD-V+-
VT-dno data-
VT-xno data+
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A4 Micro-6400T and Celeron N2840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1333DDR3
Maximum memory sizeno data8 GB
Max memory channels12
Maximum memory bandwidthno data21.32 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon R3 GraphicsIntel® HD Graphics for Intel Atom® Processor Z3700 Series
Quick Sync Video-+
Enduro+-
Switchable graphics+-
UVD+-
VCE+-
Graphics max frequencyno data792 MHz

Graphics interfaces

Available interfaces and connections of A4 Micro-6400T and Celeron N2840 integrated GPUs.

Number of displays supportedno data2
DisplayPort+-
HDMI+-

Graphics API support

APIs supported by A4 Micro-6400T and Celeron N2840 integrated GPUs, sometimes API versions are included.

DirectXDirectX® 12no data
Vulkan+-

Peripherals

Specifications and connection of peripherals supported by A4 Micro-6400T and Celeron N2840.

PCIe version2.02.0
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.



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 Micro-6400T 1082
+84.3%
Celeron N2840 587

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.

A4 Micro-6400T 1251
Celeron N2840 1331
+6.4%

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.

A4 Micro-6400T 3380
+33.4%
Celeron N2840 2533

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.

A4 Micro-6400T 1664
+10.2%
Celeron N2840 1510

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.

A4 Micro-6400T 1
+30.3%
Celeron N2840 1

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

A4 Micro-6400T 95
+25%
Celeron N2840 76

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

A4 Micro-6400T 34
Celeron N2840 38
+11.8%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

A4 Micro-6400T 0.41
Celeron N2840 0.44
+7.3%

Geekbench 3 32-bit multi-core

A4 Micro-6400T 2239
+32.6%
Celeron N2840 1688

Geekbench 3 32-bit single-core

A4 Micro-6400T 882
Celeron N2840 957
+8.5%

Pros & cons summary


Physical cores 4 2
Threads 4 2
Chip lithography 28 nm 22 nm
Power consumption (TDP) 4 Watt 7 Watt

A4 Micro-6400T has 100% more physical cores and 100% more threads, and 75% lower power consumption.

Celeron N2840, on the other hand, has a 27.3% more advanced lithography process.

We couldn't decide between A4 Micro-6400T and Celeron N2840. We've got no test results to judge.


Should you still have questions on choice between A4 Micro-6400T and Celeron N2840, ask them in Comments section, and we shall answer.

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AMD A4 Micro-6400T
A4 Micro-6400T
Intel Celeron N2840
Celeron N2840

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