Celeron N2840 vs A8-7100

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Aggregate performance score

A8-7100
2014
4 cores / 4 threads, 19 Watt
1.03
+178%
Celeron N2840
2014
2 cores / 2 threads, 7 Watt
0.37

A8-7100 outperforms Celeron N2840 by a whopping 178% based on our aggregate benchmark results.

Primary details

Comparing A8-7100 and Celeron N2840 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking24543041
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD KaveriIntel Celeron
Power efficiency5.135.00
Architecture codenameKaveri (2014−2015)Bay Trail-M (2013−2014)
Release date4 June 2014 (10 years ago)22 May 2014 (10 years ago)

Detailed specifications

A8-7100 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 speed1.8 GHz2.16 GHz
Boost clock speed3 GHz2.58 GHz
L1 cacheno data56K (per core)
L2 cache4096 KB512K (per core)
L3 cacheno data0 KB
Chip lithography28 nm22 nm
Die size245 mm2no data
Maximum core temperatureno data100 °C
Number of transistors2410 Millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on A8-7100 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
SocketFP3FCBGA1170
Power consumption (TDP)19 Watt7.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-7100 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, AVX, FMAno data
AES-NI+-
FMA+-
AVX+-
FRTC+-
TrueAudio+-
PowerNow+-
PowerGating+-
Out-of-band client management+-
VirusProtect+-
HSA+-
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Smart Connectno data+

Security technologies

A8-7100 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 A8-7100 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 A8-7100 and Celeron N2840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1600DDR3
Maximum memory sizeno data8 GB
Max memory channels22
Maximum memory bandwidthno data21.32 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon R5 GraphicsIntel HD Graphics for Intel Atom Processor Z3700 Series
iGPU core count4no data
Quick Sync Video-+
Enduro+-
Switchable graphics+-
UVD+-
VCE+-
Graphics max frequencyno data792 MHz

Graphics interfaces

Available interfaces and connections of A8-7100 and Celeron N2840 integrated GPUs.

Number of displays supportedno data2
DisplayPort+-
HDMI+-

Graphics API support

APIs supported by A8-7100 and Celeron N2840 integrated GPUs, sometimes API versions are included.

DirectXDirectX® 12no data
Vulkan+-

Peripherals

Specifications and connection of peripherals supported by A8-7100 and Celeron N2840.

PCIe version3.02.0
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.


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.

A8-7100 1.03
+178%
Celeron N2840 0.37

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.

A8-7100 1638
+179%
Celeron N2840 588

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.

A8-7100 256
+43.8%
Celeron N2840 178

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.

A8-7100 577
+94.3%
Celeron N2840 297

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.

A8-7100 1379
+3.6%
Celeron N2840 1331

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.

A8-7100 4134
+63.2%
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.

A8-7100 2225
+47.4%
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.

A8-7100 2
+97.8%
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.

A8-7100 133
+75%
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.

A8-7100 44
+15.8%
Celeron N2840 38

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.

A8-7100 0.55
+25%
Celeron N2840 0.44

Geekbench 3 32-bit multi-core

A8-7100 3337
+97.7%
Celeron N2840 1688

Geekbench 3 32-bit single-core

A8-7100 1473
+53.9%
Celeron N2840 957

Gaming performance

Pros & cons summary


Performance score 1.03 0.37
Physical cores 4 2
Threads 4 2
Chip lithography 28 nm 22 nm
Power consumption (TDP) 19 Watt 7 Watt

A8-7100 has a 178.4% higher aggregate performance score, and 100% more physical cores and 100% more threads.

Celeron N2840, on the other hand, has a 27.3% more advanced lithography process, and 171.4% lower power consumption.

The A8-7100 is our recommended choice as it beats the Celeron N2840 in performance tests.


Should you still have questions on choice between A8-7100 and Celeron N2840, ask them in Comments section, and we shall answer.

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AMD A8-7100
A8-7100
Intel Celeron N2840
Celeron N2840

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Community ratings

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