Ryzen 5 2500X vs Core 2 Quad Q9400

Primary details

Comparing Core 2 Quad Q9400 and Ryzen 5 2500X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2121	997
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.51	20.68
Market segment	Desktop processor	Desktop processor
Series	no data	AMD Ryzen 5
Architecture codename	Yorkfield (2007−2009)	Zen+ (2018−2020)
Release date	August 2008 (15 years ago)	1 October 2018 (5 years ago)
Current price	$84	$106

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 5 2500X has 489% better value for money than Core 2 Quad Q9400.

Detailed specifications

Core 2 Quad Q9400 and Ryzen 5 2500X 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)	4 (Quad-Core)
Threads	4	8
Base clock speed	2.66 GHz	3.6 GHz
Boost clock speed	2.67 GHz	4 GHz
Bus support	no data	4 × 8 GT/s
L1 cache	64K (per core)	96K (per core)
L2 cache	6 MB (shared)	512K (per core)
L3 cache	0 KB	16 MB (shared)
Chip lithography	45 nm	12 nm
Die size	2x 81 mm2	192 mm2
Maximum core temperature	71 °C	no data
Maximum case temperature (TCase)	71 °C	no data
Number of transistors	456 million	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Quad Q9400 and Ryzen 5 2500X 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 (Uniprocessor)
Socket	LGA775	AM4
Power consumption (TDP)	95 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400 and Ryzen 5 2500X. You'll probably need this information if you require some particular technology.

AES-NI	-	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	no data
Demand Based Switching	-	no data
FSB parity	-	no data
Status	Discontinued	no data

Security technologies

Core 2 Quad Q9400 and Ryzen 5 2500X 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 Core 2 Quad Q9400 and Ryzen 5 2500X are enumerated here.

AMD-V	no data	+
VT-d	+	no data
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400 and Ryzen 5 2500X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4 Dual-channel
Maximum memory size	no data	64 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	46.933 GB/s
ECC memory support	no data	+

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q9400 and Ryzen 5 2500X.

PCIe version	no data	3.0
PCI Express lanes	no data	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 5 2500X outperforms Core 2 Quad Q9400 by 347% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	1.37	6.13
Threads	4	8
Chip lithography	45 nm	12 nm
Power consumption (TDP)	95 Watt	65 Watt

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Should you still have questions on choice between Core 2 Quad Q9400 and Ryzen 5 2500X, ask them in Comments section, and we shall answer.

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