Ryzen 7 5800X3D vs FX-770K

Primary details

Comparing FX-770K and Ryzen 7 5800X3D processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1894	305
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	27.41
Market segment	Desktop processor	Desktop processor
Series	no data	AMD Ryzen 7
Architecture codename	Kaveri (2014−2015)	Vermeer (Zen3) (2020)
Release date	December 2014 (9 years ago)	20 April 2022 (2 years ago)
Launch price (MSRP)	no data	$449
Current price	$28	$540 (1.2x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

FX-770K and Ryzen 7 5800X3D 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 cores	4 (Quad-Core)	8 (Octa-Core)
Threads	4	16
Base clock speed	3.5 GHz	3.4 GHz
Boost clock speed	3.9 GHz	4.5 GHz
L1 cache	256K	64K (per core)
L2 cache	4 MB	512K (per core)
L3 cache	no data	96 MB (shared)
Chip lithography	28 nm	7 nm
Die size	245 mm2	74 + 125 mm
Maximum core temperature	no data	90 °C
Maximum case temperature (TCase)	72 °C	90 °C
Number of transistors	2,411 million	no data
64 bit support	+	+
Windows 11 compatibility	no data	+
Unlocked multiplier	Yes	No

Compatibility

Information on FX-770K and Ryzen 7 5800X3D 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 configuration	1	1
Socket	FM2+	AM4
Power consumption (TDP)	65 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-770K and Ryzen 7 5800X3D. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2
AES-NI	+	+
FMA	+	no data
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by FX-770K and Ryzen 7 5800X3D are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-770K and Ryzen 7 5800X3D. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-2133	DDR4-3200
Maximum memory size	no data	128 GB

Peripherals

Specifications and connection of peripherals supported by FX-770K and Ryzen 7 5800X3D.

PCIe version	3.0	4.0
PCI Express lanes	16	20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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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.

Ryzen 7 5800X3D outperforms FX-770K by 873% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	1.88	18.29
Physical cores	4	8
Threads	4	16
Chip lithography	28 nm	7 nm
Power consumption (TDP)	65 Watt	105 Watt

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Should you still have questions on choice between FX-770K and Ryzen 7 5800X3D, ask them in Comments section, and we shall answer.

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