Core i3-8020T vs Core 2 Quad Q8400

Primary details

Comparing Core 2 Quad Q8400 and Core i3-8020T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2281	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Series	no data	Intel Core i3
Power efficiency	1.29	no data
Architecture codename	Yorkfield (2007−2009)	Coffee Lake (2017−2019)
Release date	19 April 2009 (15 years ago)	no data

Detailed specifications

Core 2 Quad Q8400 and Core i3-8020T 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	4
Base clock speed	2.66 GHz	no data
Boost clock speed	0.67 GHz	no data
Bus type	no data	DMI 3.0
Bus rate	1333 MHz	4 × 8 GT/s
L1 cache	64 KB (per core)	256 KB
L2 cache	4 MB (shared)	1 MB
L3 cache	0 KB	6 MB
Chip lithography	45 nm	14 nm
Die size	2x 82 mm2	126 mm2
Maximum case temperature (TCase)	71 °C	no data
Number of transistors	456 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Quad Q8400 and Core i3-8020T 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	FCLGA775,LGA775	LGA-1151
Power consumption (TDP)	95 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q8400 and Core i3-8020T. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Quad Q8400 and Core i3-8020T 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 Q8400 and Core i3-8020T are enumerated here.

VT-d	no data	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400 and Core i3-8020T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4-2400
Maximum memory size	no data	64 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	38.397 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

Intel UHD Graphics 630

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q8400 and Core i3-8020T.

PCIe version

2.0

no data

Pros & cons summary

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Chip lithography	45 nm	14 nm
Power consumption (TDP)	95 Watt	35 Watt

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Should you still have questions on choice between Core 2 Quad Q8400 and Core i3-8020T, ask them in Comments section, and we shall answer.

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