Ryzen 7 7840HS vs FX-8120

VS

Aggregate performance score

FX-8120
2011
8 cores / 8 threads, 125 Watt
4.15
Ryzen 7 7840HS
2023
8 cores / 16 threads, 35 Watt
18.20
+339%

Ryzen 7 7840HS outperforms FX-8120 by a whopping 339% based on our aggregate benchmark results.

Primary details

Comparing FX-8120 and Ryzen 7 7840HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1395333
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Power efficiency3.1449.21
Architecture codenameZambezi (2011−2012)Phoenix-HS (Zen 4) (2023)
Release date12 October 2011 (13 years ago)January 2023 (1 year ago)

Detailed specifications

FX-8120 and Ryzen 7 7840HS 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 cores8 (Octa-Core)8 (Octa-Core)
Threads816
Base clock speed3.1 GHz3.8 GHz
Boost clock speed4 GHz5.1 GHz
L1 cache384 KB64K (per core)
L2 cache8192 KB1 MB (per core)
L3 cache8192 KB16 MB (shared)
Chip lithography32 nm4 nm
Die size315 mm2178 mm2
Maximum core temperature61 °C100 °C
Number of transistors1,200 million25,000 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-
P0 Vcore voltageMin: 1.0125 V - Max: 1.4125 Vno data

Compatibility

Information on FX-8120 and Ryzen 7 7840HS 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+FP8
Power consumption (TDP)125 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-8120 and Ryzen 7 7840HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataRyzen AI, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI++
FMA++
AVX++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by FX-8120 and Ryzen 7 7840HS are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-8120 and Ryzen 7 7840HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 780M ( - 2700 MHz)

Peripherals

Specifications and connection of peripherals supported by FX-8120 and Ryzen 7 7840HS.

PCIe versionn/a4.0
PCI Express lanesno data20

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-8120 4.15
Ryzen 7 7840HS 18.20
+339%

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-8120 6594
Ryzen 7 7840HS 28912
+338%

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.

FX-8120 412
Ryzen 7 7840HS 2367
+475%

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.

FX-8120 1526
Ryzen 7 7840HS 11009
+621%

Gaming performance

Pros & cons summary


Performance score 4.15 18.20
Threads 8 16
Chip lithography 32 nm 4 nm
Power consumption (TDP) 125 Watt 35 Watt

Ryzen 7 7840HS has a 338.6% higher aggregate performance score, 100% more threads, a 700% more advanced lithography process, and 257.1% lower power consumption.

The Ryzen 7 7840HS is our recommended choice as it beats the FX-8120 in performance tests.

Note that FX-8120 is a desktop processor while Ryzen 7 7840HS is a notebook one.


Should you still have questions on choice between FX-8120 and Ryzen 7 7840HS, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD FX-8120
FX-8120
AMD Ryzen 7 7840HS
Ryzen 7 7840HS

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Community ratings

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