Ryzen 9 5950X vs Pentium E5400

Primary details

Comparing Pentium E5400 and Ryzen 9 5950X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2776	158
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.46	26.75
Market segment	Desktop processor	Desktop processor
Series	no data	AMD Ryzen 9
Power efficiency	0.90	25.88
Architecture codename	Wolfdale (2008−2010)	Vermeer (Zen 3) (2020−2022)
Release date	18 January 2009 (15 years ago)	8 October 2020 (4 years ago)
Launch price (MSRP)	$55	$799

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 5950X has 216% better value for money than Pentium E5400.

Detailed specifications

Pentium E5400 and Ryzen 9 5950X 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	2.7 GHz	3.4 GHz
Boost clock speed	2.7 GHz	4.9 GHz
Multiplier	no data	34
L1 cache	64 KB (per core)	1 MB
L2 cache	2 MB (shared)	8 MB
L3 cache	0 KB	64 MB
Chip lithography	45 nm	7 nm, 12 nm
Die size	82 mm2	CPU cores: 2x 80.7 sq. mm., I/O: 125 mm2
Maximum core temperature	74 °C	no data
Maximum case temperature (TCase)	no data	95 °C
Number of transistors	228 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Pentium E5400 and Ryzen 9 5950X 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	LGA775	AM4
Power consumption (TDP)	65 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium E5400 and Ryzen 9 5950X. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	-	no data
Precision Boost 2	no data	+

Security technologies

Pentium E5400 and Ryzen 9 5950X technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium E5400 and Ryzen 9 5950X are enumerated here.

AMD-V	-	+
VT-d	-	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium E5400 and Ryzen 9 5950X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4
Maximum memory size	no data	128 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	51.196 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

-

Peripherals

Specifications and connection of peripherals supported by Pentium E5400 and Ryzen 9 5950X.

PCIe version

2.0

4.0

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	0.64	29.80
Recency	18 January 2009	8 October 2020
Physical cores	2	16
Threads	2	32
Chip lithography	45 nm	7 nm
Power consumption (TDP)	65 Watt	105 Watt

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Should you still have questions on choice between Pentium E5400 and Ryzen 9 5950X, ask them in Comments section, and we shall answer.

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