Ryzen 9 7940HS vs FX-4100

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Aggregate performance score

FX-4100
2011
4 cores / 4 threads, 95 Watt
1.71
Ryzen 9 7940HS
2023
8 cores / 16 threads, 35 Watt
19.85
+1061%

Ryzen 9 7940HS outperforms FX-4100 by a whopping 1061% based on our aggregate benchmark results.

Primary details

Comparing FX-4100 and Ryzen 9 7940HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2063297
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Power efficiency1.6451.72
Architecture codenameZambezi (2011−2012)Phoenix-HS (Zen 4) (2023)
Release date12 October 2011 (13 years ago)January 2023 (1 year ago)

Detailed specifications

FX-4100 and Ryzen 9 7940HS 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)8 (Octa-Core)
Threads416
Base clock speed3.6 GHz4 GHz
Boost clock speed3.8 GHz5.2 GHz
L1 cache192 KB64K (per core)
L2 cache4096 KB1 MB (per core)
L3 cache8192 KB16 MB (shared)
Chip lithography32 nm4 nm
Die size315 mm2178 mm2
Maximum core temperature71 °C100 °C
Number of transistors1,200 million25,000 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-
P0 Vcore voltageMin: 1.1 V - Max: 1.4125 Vno data

Compatibility

Information on FX-4100 and Ryzen 9 7940HS 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)95 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-4100 and Ryzen 9 7940HS. 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-4100 and Ryzen 9 7940HS are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-4100 and Ryzen 9 7940HS. 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

Peripherals

Specifications and connection of peripherals supported by FX-4100 and Ryzen 9 7940HS.

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-4100 1.71
Ryzen 9 7940HS 19.85
+1061%

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-4100 2616
Ryzen 9 7940HS 30376
+1061%

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-4100 397
Ryzen 9 7940HS 2462
+520%

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-4100 1005
Ryzen 9 7940HS 11560
+1050%

Gaming performance

Pros & cons summary


Performance score 1.71 19.85
Physical cores 4 8
Threads 4 16
Chip lithography 32 nm 4 nm
Power consumption (TDP) 95 Watt 35 Watt

Ryzen 9 7940HS has a 1060.8% higher aggregate performance score, 100% more physical cores and 300% more threads, a 700% more advanced lithography process, and 171.4% lower power consumption.

The Ryzen 9 7940HS is our recommended choice as it beats the FX-4100 in performance tests.

Note that FX-4100 is a desktop processor while Ryzen 9 7940HS is a notebook one.


Should you still have questions on choice between FX-4100 and Ryzen 9 7940HS, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD FX-4100
FX-4100
AMD Ryzen 9 7940HS
Ryzen 9 7940HS

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


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Questions & comments

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