Ryzen 9 9950X vs Athlon 64 X2 4200+

Primary details

Comparing Athlon 64 X2 4200+ and Ryzen 9 9950X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2940	58
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	65.21
Market segment	Desktop processor	Desktop processor
Power efficiency	0.49	23.26
Architecture codename	Manchester (2005−2006)	Granite Ridge (2024)
Release date	December 2006 (18 years ago)	15 August 2024 (less than a year ago)
Launch price (MSRP)	$309	$649

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Athlon 64 X2 4200+ and Ryzen 9 9950X 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	2 (Dual-core)	16 (Hexadeca-Core)
Threads	2	32
Base clock speed	no data	4.3 GHz
Boost clock speed	2.2 GHz	5.7 GHz
L1 cache	256K	80 KB (per core)
L2 cache	512 KB	1 MB (per core)
L3 cache	0 KB	64 MB (shared)
Chip lithography	90 nm	4 nm
Die size	220 mm2	2x 70.6 mm2
Maximum core temperature	no data	95 °C
Number of transistors	154 million	16,630 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+

Compatibility

Information on Athlon 64 X2 4200+ and Ryzen 9 9950X 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	939	AM5
Power consumption (TDP)	89 Watt	170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon 64 X2 4200+ and Ryzen 9 9950X. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A
AES-NI	-	+
AVX	-	+
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon 64 X2 4200+ and Ryzen 9 9950X are enumerated here.

AMD-V

-

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 64 X2 4200+ and Ryzen 9 9950X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by Athlon 64 X2 4200+ and Ryzen 9 9950X.

PCIe version	no data	5.0
PCI Express lanes	no data	24

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.

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Pros & cons summary

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Performance score	0.46	41.78
Physical cores	2	16
Threads	2	32
Chip lithography	90 nm	4 nm
Power consumption (TDP)	89 Watt	170 Watt

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Should you still have questions on choice between Athlon 64 X2 4200+ and Ryzen 9 9950X, ask them in Comments section, and we shall answer.

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