A12-9720P vs FX-4100

Primary details

Comparing FX-4100 and A12-9720P processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1947	1931
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.24	no data
Market segment	Desktop processor	Laptop
Series	no data	AMD Bristol Ridge
Architecture codename	Zambezi (2011−2012)	Bristol Ridge (2016−2019)
Release date	12 October 2011 (12 years ago)	1 June 2016 (7 years ago)
Current price	$28	$502

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

FX-4100 and A12-9720P 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	3.6 GHz	2.7 GHz
Boost clock speed	3.8 GHz	3.6 GHz
L1 cache	192 KB	no data
L2 cache	4096 KB	2 MB
L3 cache	8192 KB	no data
Chip lithography	32 nm	28 nm
Die size	315 mm2	250 mm2
Maximum core temperature	71 °C	90 °C
Number of transistors	1,200 million	3100 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No
P0 Vcore voltage	Min: 1.1 V - Max: 1.4125 V	no data

Compatibility

Information on FX-4100 and A12-9720P 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	no data
Socket	AM3+	FP4
Power consumption (TDP)	95 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-4100 and A12-9720P. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	DDR4-1866 RAM, PCIe 3, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, TBM, FMA4, XOP, SMEP, CPB, AES-NI, RDRAND
AES-NI	+	+
FMA	+	+
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by FX-4100 and A12-9720P are enumerated here.

AMD-V

+

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-4100 and A12-9720P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

DDR4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon R7 (Bristol Ridge)

Peripherals

Specifications and connection of peripherals supported by FX-4100 and A12-9720P.

PCIe version

n/a

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.

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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.

A12-9720P outperforms FX-4100 by 2% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	1.68	1.72
Recency	12 October 2011	1 June 2016
Chip lithography	32 nm	28 nm
Power consumption (TDP)	95 Watt	15 Watt

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Should you still have questions on choice between FX-4100 and A12-9720P, ask them in Comments section, and we shall answer.

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