Ryzen 7 5800X vs Athlon 64 FX-76

Primary details

Comparing Athlon 64 FX-76 and Ryzen 7 5800X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated355
Place by popularitynot in top-10060
Cost-effectiveness evaluationno data23.52
Market segmentDesktop processorDesktop processor
Seriesno dataAMD Ryzen 7
Power efficiencyno data15.80
Architecture codenameWindsor (2006−2007)Vermeer (Zen 3) (2020−2022)
Release dateNovember 2006 (18 years ago)5 November 2020 (4 years ago)
Launch price (MSRP)no data$449

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon 64 FX-76 and Ryzen 7 5800X 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 cores2 (Dual-core)8 (Octa-Core)
Threads216
Base clock speedno data3.8 GHz
Boost clock speed3.2 GHz4.7 GHz
Multiplierno data38
L1 cache128 KB64K (per core)
L2 cache1 MB512K (per core)
L3 cache0 KB32 MB
Chip lithography90 nm7 nm, 12 nm
Die size235 mm22 x 80.7 sq. mm; I/O = 125 mm2
Maximum core temperatureno data90 °C
Maximum case temperature (TCase)no data95 °C
Number of transistors227 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Athlon 64 FX-76 and Ryzen 7 5800X 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
SocketFAM4
Power consumption (TDP)125 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon 64 FX-76 and Ryzen 7 5800X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
AES-NI-+
AVX-+
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon 64 FX-76 and Ryzen 7 5800X are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 64 FX-76 and Ryzen 7 5800X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1DDR4
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data51.196 GB/s

Peripherals

Specifications and connection of peripherals supported by Athlon 64 FX-76 and Ryzen 7 5800X.

PCIe versionno data4.0

Pros & cons summary


Physical cores 2 8
Threads 2 16
Chip lithography 90 nm 7 nm
Power consumption (TDP) 125 Watt 105 Watt

Ryzen 7 5800X has 300% more physical cores and 700% more threads, a 1185.7% more advanced lithography process, and 19% lower power consumption.

We couldn't decide between Athlon 64 FX-76 and Ryzen 7 5800X. We've got no test results to judge.


Should you still have questions on choice between Athlon 64 FX-76 and Ryzen 7 5800X, ask them in Comments section, and we shall answer.

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AMD Athlon 64 FX-76
Athlon 64 FX-76
AMD Ryzen 7 5800X
Ryzen 7 5800X

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