Ryzen 7 5800X3D vs Core 2 Duo E8400

Primary details

Comparing Core 2 Duo E8400 and Ryzen 7 5800X3D processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2562	305
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.86	29.76
Market segment	Desktop processor	Desktop processor
Series	no data	AMD Ryzen 7
Architecture codename	Wolfdale (2008−2010)	Vermeer (Zen3) (2020)
Release date	1 January 2008 (16 years ago)	20 April 2022 (2 years ago)
Launch price (MSRP)	no data	$449
Current price	$61	$507 (1.1x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 7 5800X3D has 1500% better value for money than Core 2 Duo E8400.

Detailed specifications

Core 2 Duo E8400 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	2 (Dual-core)	8 (Octa-Core)
Threads	2	16
Base clock speed	3 GHz	3.4 GHz
Boost clock speed	3 GHz	4.5 GHz
L1 cache	64 KB (per core)	64K (per core)
L2 cache	6 MB (shared)	512K (per core)
L3 cache	0 KB	96 MB (shared)
Chip lithography	45 nm	7 nm
Die size	104 mm2	74 + 125 mm
Maximum core temperature	72 °C	90 °C
Maximum case temperature (TCase)	72 °C	90 °C
Number of transistors	410 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Duo E8400 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	LGA775	AM4
Power consumption (TDP)	65 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8400 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	-	+
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 Duo E8400 and Ryzen 7 5800X3D 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 Duo E8400 and Ryzen 7 5800X3D 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 Duo E8400 and Ryzen 7 5800X3D. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4-3200
Maximum memory size	no data	128 GB

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

no data

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E8400 and Ryzen 7 5800X3D.

PCIe version	2.0	4.0
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 7 5800X3D outperforms Core 2 Duo E8400 by 2339% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	0.75	18.29
Recency	1 January 2008	20 April 2022
Physical cores	2	8
Threads	2	16
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 Core 2 Duo E8400 and Ryzen 7 5800X3D, ask them in Comments section, and we shall answer.

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