Ryzen 9 7900X vs FX-8320E

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Aggregate performance score

FX-8320E
2014
8 cores / 8 threads, 95 Watt
3.12
Ryzen 9 7900X
2022
12 cores / 24 threads, 170 Watt
32.51
+942%

Ryzen 9 7900X outperforms FX-8320E by a whopping 942% based on our aggregate benchmark results.

Primary details

Comparing FX-8320E and Ryzen 9 7900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1627124
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.83no data
Market segmentDesktop processorDesktop processor
Power efficiency3.1118.10
Architecture codenameVishera (2012−2015)Raphael (Zen4) (2022−2023)
Release date2 September 2014 (10 years ago)27 September 2022 (2 years ago)
Launch price (MSRP)$147no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

FX-8320E and Ryzen 9 7900X 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)12 (Dodeca-Core)
Threads824
Base clock speed3.2 GHz4.7 GHz
Boost clock speed4 GHz5.6 GHz
L1 cacheno data64K (per core)
L2 cache8192 KB1 MB (per core)
L3 cacheno data64 MB (shared)
Chip lithography32 nm5 nm
Die size315 mm22x 70 (CCD) mm2 + 122 (I/O) mm2
Maximum core temperature71 °C95 °C
Maximum case temperature (TCase)no data47 °C
Number of transistors1,200 millionCCD: 6,5 Mrd + IOD: 3,4 Mrd Million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++
P0 Vcore voltageMin: 1.075 V - Max: 1.2875 Vno data

Compatibility

Information on FX-8320E and Ryzen 9 7900X 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+AM5
Power consumption (TDP)95 Watt170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-8320E and Ryzen 9 7900X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno data5 nm (CCD), 6 nm (I/O) nm, 0.650 - 1.475V
AES-NI++
FMA+-
AVX++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by FX-8320E and Ryzen 9 7900X are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-8320E and Ryzen 9 7900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5-5200

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)AMD Radeon Graphics (Ryzen 7000)

Peripherals

Specifications and connection of peripherals supported by FX-8320E and Ryzen 9 7900X.

PCIe versionn/a5.0
PCI Express lanesno data24

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-8320E 3.12
Ryzen 9 7900X 32.51
+942%

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-8320E 4960
Ryzen 9 7900X 51640
+941%

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-8320E 438
Ryzen 9 7900X 2953
+574%

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-8320E 1685
Ryzen 9 7900X 17921
+964%

Gaming performance

Pros & cons summary


Performance score 3.12 32.51
Recency 2 September 2014 27 September 2022
Physical cores 8 12
Threads 8 24
Chip lithography 32 nm 5 nm
Power consumption (TDP) 95 Watt 170 Watt

FX-8320E has 78.9% lower power consumption.

Ryzen 9 7900X, on the other hand, has a 942% higher aggregate performance score, an age advantage of 8 years, 50% more physical cores and 200% more threads, and a 540% more advanced lithography process.

The Ryzen 9 7900X is our recommended choice as it beats the FX-8320E in performance tests.


Should you still have questions on choice between FX-8320E and Ryzen 9 7900X, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD FX-8320E
FX-8320E
AMD Ryzen 9 7900X
Ryzen 9 7900X

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Community ratings

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Questions & comments

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