Core i7-3820 vs Core i5-13400

Primary details

Comparing Core i5-13400 and Core i7-3820 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	389	1405
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	57.54	2.32
Market segment	Desktop processor	Desktop processor
Architecture codename	Raptor Lake-S	Sandy Bridge-E (2011−2013)
Release date	4 January 2023 (1 year ago)	February 2012 (12 years ago)
Launch price (MSRP)	$221	$400
Current price	$217 (1x MSRP)	$310 (0.8x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-13400 has 2380% better value for money than i7-3820.

Detailed specifications

Core i5-13400 and Core i7-3820 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	10 (Deca-Core)	4 (Quad-Core)
Threads	16	8
Base clock speed	2.5 GHz	3.6 GHz
Boost clock speed	4.6 GHz	3.8 GHz
L1 cache	80K (per core)	64 KB (per core)
L2 cache	1.25 MB (per core)	256 KB (per core)
L3 cache	20 MB (shared)	10240 KB (shared)
Chip lithography	Intel 7 nm	32 nm
Die size	257 mm2	294 mm2
Maximum core temperature	100 °C	67 °C
Maximum case temperature (TCase)	72 °C	67 °C
Number of transistors	no data	1270 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	No

Compatibility

Information on Core i5-13400 and Core i7-3820 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	FCLGA1700	FCLGA2011
Power consumption (TDP)	65 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-13400 and Core i7-3820. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.2, Intel® AVX
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	no data
Idle States	+	+
Thermal Monitoring	+	+
Smart Response	no data	+
Demand Based Switching	no data	-
Turbo Boost Max 3.0	-	no data
Status	Launched	Discontinued

Security technologies

Core i5-13400 and Core i7-3820 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
Secure Key	+	no data
Identity Protection	no data	+
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-13400 and Core i7-3820 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-13400 and Core i7-3820. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800, DDR4-3200	DDR3
Maximum memory size	192 GB	64.23 GB
Max memory channels	2	4
Maximum memory bandwidth	76.8 GB/s	51.2 GB/s
ECC memory support	no data	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics 730	no data
Quick Sync Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.55 GHz	no data
Execution Units	24	no data

Graphics interfaces

Available interfaces and connections of Core i5-13400 and Core i7-3820 integrated GPUs.

Number of displays supported

4

no data

Graphics image quality

Maximum display resolutions supported by Core i5-13400 and Core i7-3820 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096 x 2160 @ 60Hz	no data
Max resolution over eDP	5120 x 3200 @ 120Hz	no data
Max resolution over DisplayPort	7680 x 4320 @ 60Hz	no data

Graphics API support

APIs supported by Core i5-13400 and Core i7-3820 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-13400 and Core i7-3820.

PCIe version	5.0 and 4.0	2.0
PCI Express lanes	20	40

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 i5-13400 outperforms Core i7-3820 by 333% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	16.09	3.72
Physical cores	10	4
Threads	16	8
Cost	$221	$400
Power consumption (TDP)	65 Watt	130 Watt

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Should you still have questions on choice between Core i5-13400 and Core i7-3820, ask them in Comments section, and we shall answer.

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