Processor N100 vs Athlon X4 840

Place in the ranking	1869	1781
Place by popularity	not in top-100	65
Market segment	Desktop processor	Laptop
Series	4x Athlon	Intel Alder Lake-N
Power efficiency	3.04	37.08
Architecture codename	Kaveri (2014−2015)	Alder Lake-N (2023)
Release date	August 2014 (10 years ago)	3 January 2023 (1 year ago)
Launch price (MSRP)	no data	$128

Detailed specifications

Athlon X4 840 and Processor N100 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	4 (Quad-Core)	4 (Quad-Core)
Threads	4	4
Base clock speed	3.1 GHz	0.1 GHz
Boost clock speed	3.8 GHz	3.4 GHz
L1 cache	256K	96 KB (per core)
L2 cache	4 MB	2 MB (shared)
L3 cache	no data	6 MB (shared)
Chip lithography	28 nm	10 nm
Die size	245 mm²	no data
Maximum core temperature	no data	105 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	2,411 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	-

Compatibility

Information on Athlon X4 840 and Processor N100 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	Socket FM2+	Intel BGA 1264
Power consumption (TDP)	65 watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X4 840 and Processor N100. You'll probably need this information if you require some particular technology.

AES-NI	+	+
FMA	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	no data	+

Security technologies

Athlon X4 840 and Processor N100 technologies aimed at improving security, for example, by protecting against hacks.

TXT

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X4 840 and Processor N100 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 Athlon X4 840 and Processor N100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

DDR4, DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel UHD Graphics 24EUs (Alder Lake-N)

Peripherals

Specifications and connection of peripherals supported by Athlon X4 840 and Processor N100.

PCIe version	3.0	3.0
PCI Express lanes	16	9

Gaming performance

Pros & cons summary

Performance score	2.17	2.44
Recency	on August 2014	3 January 2023
Chip lithography	28 nm	10 nm
Power consumption (TDP)	65 Watt	6 Watt

Processor N100 has a 12.4% higher aggregate performance score, an age advantage of 8 years, a 180% more advanced lithography process, and 983.3% lower power consumption.

The Processor N100 is our recommended choice as it beats the Athlon X4 840 in performance tests.

Note that Athlon X4 840 is a desktop processor while Processor N100 is a notebook one.

Should you still have questions on choice between Athlon X4 840 and Processor N100, ask them in Comments section, and we shall answer.