Core i9-9820X vs Core i7-3770K

Primary details

Comparing Core i7-3770K and Core i9-9820X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1316	548
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.62	14.14
Market segment	Desktop processor	Desktop processor
Series	Intel Core i7 (Desktop)	Intel Core i9
Architecture codename	Ivy Bridge (2012−2013)	Skylake (server) (2017−2019)
Release date	29 April 2012 (12 years ago)	19 October 2018 (5 years ago)
Launch price (MSRP)	$294	$898
Current price	$136 (0.5x MSRP)	$404 (0.4x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-9820X has 773% better value for money than i7-3770K.

Detailed specifications

Core i7-3770K and Core i9-9820X 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)	10 (Deca-Core)
Threads	8	20
Base clock speed	3.5 GHz	3.3 GHz
Boost clock speed	3.9 GHz	4.2 GHz
Bus support	no data	4 × 8 GT/s
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256K (per core)	1 MB (per core)
L3 cache	8 MB (shared)	16.5 MB (shared)
Chip lithography	22 nm	14 nm
Die size	160 mm2	no data
Maximum core temperature	67 °C	92 °C
Maximum case temperature (TCase)	67 °C	72 °C
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	Yes	Yes

Compatibility

Information on Core i7-3770K and Core i9-9820X 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	FCLGA1155	FCLGA2066
Power consumption (TDP)	77 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3770K and Core i9-9820X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	no data
Turbo Boost Max 3.0	no data	+
FDI	+	no data
Status	Discontinued	Discontinued

Security technologies

Core i7-3770K and Core i9-9820X technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	+
Secure Key	+	no data
Identity Protection	+	no data
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3770K and Core i9-9820X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3770K and Core i9-9820X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-2666
Maximum memory size	32 GB	128 GB
Max memory channels	2	4
Maximum memory bandwidth	25.6 GB/s	85 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 4000	N/A
Quick Sync Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.15 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-3770K and Core i9-9820X integrated GPUs.

Number of displays supported

3

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-3770K and Core i9-9820X.

PCIe version	3.0	3.0
PCI Express lanes	no data	44

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.

Core i9-9820X outperforms Core i7-3770K by 211% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	4.18	13.00
Recency	29 April 2012	19 October 2018
Physical cores	4	10
Threads	8	20
Cost	$294	$898
Chip lithography	22 nm	14 nm
Power consumption (TDP)	77 Watt	165 Watt

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Should you still have questions on choice between Core i7-3770K and Core i9-9820X, ask them in Comments section, and we shall answer.

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