i3-8020T vs i7-975

Primary details

Comparing Core i7-975 and Core i3-8020T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1830	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.10	no data
Market segment	Desktop processor	Desktop processor
Series	Core i7 (Desktop)	Intel Core i3
Power efficiency	1.60	no data
Architecture codename	Bloomfield (2008−2010)	Coffee Lake (2017−2019)
Release date	2 June 2009 (15 years ago)	no data (2024 years ago)
Launch price (MSRP)	$476	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-975 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	8	4
Base clock speed	3.33 GHz	no data
Boost clock speed	3.6 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	256 KB (per core)	1 MB
L3 cache	8 MB (shared)	6 MB
Chip lithography	45 nm	14 nm
Die size	263 mm2	126 mm2
Maximum case temperature (TCase)	68 °C	no data
Number of transistors	731 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on Core i7-975 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	FCLGA1366	LGA-1151
Power consumption (TDP)	130 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-975 and Core i3-8020T. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Demand Based Switching	-	no data
PAE	36 Bit	no data

Security technologies

Core i7-975 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 i7-975 and Core i3-8020T are enumerated here.

VT-d	no data	+
VT-x	+	+
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-975 and Core i3-8020T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-2400
Maximum memory size	24 GB	64 GB
Max memory channels	3	2
Maximum memory bandwidth	25.6 GB/s	38.397 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

Intel UHD Graphics 630

Peripherals

Specifications and connection of peripherals supported by Core i7-975 and Core i3-8020T.

PCIe version

2.0

no data

Pros & cons summary

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Threads	8	4
Chip lithography	45 nm	14 nm
Power consumption (TDP)	130 Watt	35 Watt

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Should you still have questions on choice between Core i7-975 and Core i3-8020T, ask them in Comments section, and we shall answer.

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