Phenom II X4 840 vs FX-4320

VS

Aggregate performance score

FX-4320
2012
4 cores / 4 threads, 95 Watt
1.98
+30.3%
Phenom II X4 840
2011
4 cores / 4 threads, 95 Watt
1.52

FX-4320 outperforms Phenom II X4 840 by a substantial 30% based on our aggregate benchmark results.

Primary details

Comparing FX-4320 and Phenom II X4 840 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking19392144
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data3.08
Market segmentDesktop processorDesktop processor
Power efficiency1.971.51
Architecture codenameVishera (2012−2015)Propus (2009−2011)
Release date23 October 2012 (12 years ago)4 January 2011 (13 years ago)
Launch price (MSRP)no data$90

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

FX-4320 and Phenom II X4 840 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)4 (Quad-Core)
Threads44
Base clock speed4 GHz3.2 GHz
Boost clock speed4.1 GHz3.2 GHz
L1 cache192 KB128 KB (per core)
L2 cache4096 KB512 KB (per core)
L3 cache4096 KB0 KB
Chip lithography32 nm45 nm
Die size315 mm2169 mm2
Maximum core temperature71 °Cno data
Number of transistors1,200 million300 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on FX-4320 and Phenom II X4 840 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 configuration11
SocketAM3+AM3
Power consumption (TDP)95 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-4320 and Phenom II X4 840. You'll probably need this information if you require some particular technology.

AES-NI+-
FMA+-
AVX+-

Virtualization technologies

Virtual machine speed-up technologies supported by FX-4320 and Phenom II X4 840 are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-4320 and Phenom II X4 840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1866DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)no data

Peripherals

Specifications and connection of peripherals supported by FX-4320 and Phenom II X4 840.

PCIe versionNot Listed2.0

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.

FX-4320 1.98
+30.3%
Phenom II X4 840 1.52

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.

FX-4320 3150
+30.3%
Phenom II X4 840 2417

Gaming performance

Pros & cons summary


Performance score 1.98 1.52
Recency 23 October 2012 4 January 2011
Chip lithography 32 nm 45 nm

FX-4320 has a 30.3% higher aggregate performance score, an age advantage of 1 year, and a 40.6% more advanced lithography process.

The FX-4320 is our recommended choice as it beats the Phenom II X4 840 in performance tests.


Should you still have questions on choice between FX-4320 and Phenom II X4 840, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD FX-4320
FX-4320
AMD Phenom II X4 840
Phenom II X4 840

Similar processor comparisons

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.5 138 votes

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Questions & comments

Here you can ask a question about FX-4320 or Phenom II X4 840, agree or disagree with our judgements, or report an error or mismatch.