Athlon 64 FX-51 vs Ryzen Threadripper 1900X

Primary details

Comparing Ryzen Threadripper 1900X and Athlon 64 FX-51 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	731	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.88	no data
Market segment	Desktop processor	Desktop processor
Series	AMD Ryzen Threadripper	no data
Power efficiency	8.01	no data
Architecture codename	Zen (2017−2020)	SledgeHammer (2003−2005)
Release date	31 August 2017 (7 years ago)	September 2003 (21 year ago)
Launch price (MSRP)	$549	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen Threadripper 1900X and Athlon 64 FX-51 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	8 (Octa-Core)	1 (Single-Core)
Threads	16	1
Base clock speed	3.8 GHz	no data
Boost clock speed	4 GHz	2.2 GHz
Bus rate	4 × 8 GT/s	no data
Multiplier	38	no data
L1 cache	96K (per core)	128 KB
L2 cache	512K (per core)	1 MB
L3 cache	32 MB	0 KB
Chip lithography	14 nm	130 nm
Die size	213 mm2	193 mm2
Number of transistors	9,600 million	105 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on Ryzen Threadripper 1900X and Athlon 64 FX-51 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 (Uniprocessor)	1
Socket	SP3r2	940
Power consumption (TDP)	125 Watt	89 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper 1900X and Athlon 64 FX-51. You'll probably need this information if you require some particular technology.

AES-NI	+	-
AVX	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper 1900X and Athlon 64 FX-51 are enumerated here.

AMD-V

+

-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 1900X and Athlon 64 FX-51. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Quad-channel	no data
Maximum memory size	2 TiB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85.33 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper 1900X and Athlon 64 FX-51.

PCIe version	3.0	no data
PCI Express lanes	60	no data

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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Pros & cons summary

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Physical cores	8	1
Threads	16	1
Chip lithography	14 nm	130 nm
Power consumption (TDP)	125 Watt	89 Watt

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Should you still have questions on choice between Ryzen Threadripper 1900X and Athlon 64 FX-51, ask them in Comments section, and we shall answer.

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