A8-5545M vs Celeron N2840

Place in the ranking	3027	2468
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	AMD A-Series
Power efficiency	5.00	3.75
Architecture codename	Bay Trail-M (2013−2014)	Richland (2013−2014)
Release date	22 May 2014 (10 years ago)	1 June 2013 (11 years ago)

Detailed specifications

Celeron N2840 and A8-5545M 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 cores	2 (Dual-core)	4 (Quad-Core)
Threads	2	4
Base clock speed	2.16 GHz	1.7 GHz
Boost clock speed	2.58 GHz	2.7 GHz
L1 cache	56K (per core)	128 KB (per core)
L2 cache	512K (per core)	1 MB (per core)
L3 cache	0 KB	0 KB
Chip lithography	22 nm	32 nm
Die size	no data	246 mm²
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	no data	71 °C
Number of transistors	no data	1,178 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron N2840 and A8-5545M 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 configuration	1	1
Socket	FCBGA1170	FP2
Power consumption (TDP)	7.5 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron N2840 and A8-5545M. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA
AES-NI	-	+
FMA	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Smart Connect	+	no data

Security technologies

Celeron N2840 and A8-5545M technologies aimed at improving security, for example, by protecting against hacks.

EDB	+	no data
Secure Key	+	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron N2840 and A8-5545M are enumerated here.

AMD-V	-	+
VT-d	-	no data
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron N2840 and A8-5545M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	8 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21.32 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics for Intel Atom Processor Z3700 Series	AMD Radeon HD 8510G (450 - 554 MHz)
Quick Sync Video	+	-
Graphics max frequency	792 MHz	no data

Graphics interfaces

Available interfaces and connections of Celeron N2840 and A8-5545M integrated GPUs.

Number of displays supported

no data

Peripherals

Specifications and connection of peripherals supported by Celeron N2840 and A8-5545M.

PCIe version	2.0	no data
PCI Express lanes	4	no data
USB revision	3.0 and 2.0	no data
Total number of SATA ports	2	no data
Number of USB ports	5	no data

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.

Celeron N2840 0.37

A8-5545M 0.99
+168%

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.

Celeron N2840 588

A8-5545M 1567
+166%

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.

Celeron N2840 178

A8-5545M 226
+27%

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.

Celeron N2840 297

A8-5545M 519
+74.7%

Gaming performance

Pros & cons summary

Performance score	0.37	0.99
Integrated graphics card	0.77	0.93
Recency	22 May 2014	1 June 2013
Physical cores	2	4
Threads	2	4
Chip lithography	22 nm	32 nm
Power consumption (TDP)	7 Watt	25 Watt

Celeron N2840 has an age advantage of 11 months, a 45.5% more advanced lithography process, and 257.1% lower power consumption.

A8-5545M, on the other hand, has a 167.6% higher aggregate performance score, 20.8% faster integrated GPU, and 100% more physical cores and 100% more threads.

The A8-5545M is our recommended choice as it beats the Celeron N2840 in performance tests.

Should you still have questions on choice between Celeron N2840 and A8-5545M, ask them in Comments section, and we shall answer.