Core i7-620UM vs Core i5-7400

Primary Details

Comparing Core i5-7400 and Core i7-620UM processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1428	2615
Place by popularity	61	not in top-100
Cost-Effectiveness Evaluation	3.99	no data
Market segment	Desktop processor	Laptop
Series	Intel Core i5	Intel Core i7
Architecture codename	Kaby Lake (2016−2019)	Arrandale (2010−2011)
Release date	3 January 2017 (7 years ago)	4 January 2010 (14 years ago)
Launch price (MSRP)	$182	$278
Current price	$109 (0.6x MSRP)	no data

Cost-Effectiveness Evaluation

Performance per price, higher is better.

Detailed Specifications

Core i5-7400 and Core i7-620UM 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)	2 (Dual-core)
Threads	4	4
Base clock speed	3 GHz	1.06 GHz
Boost clock speed	3.5 GHz	2.13 GHz
Bus support	8 GT/s	2500 MHz
L1 cache	64K (per core)	128 KB
L2 cache	256K (per core)	512 KB
L3 cache	6 MB (shared)	4 MB
Chip lithography	14 nm	32 nm
Die size	no data	81+114 mm2
Maximum core temperature	100 °C	105 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	382+177 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Core i5-7400 and Core i7-620UM 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	FCLGA1151	BGA1288
Power consumption (TDP)	65 Watt	18 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-7400 and Core i7-620UM. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
FMA	no data	+
AVX	+	no data
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	+
Hyper-Threading Technology	-	+
TSX	-	no data
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	+
SIPP	-	no data
PAE	no data	36 Bit
FDI	no data	+
Fast Memory Access	no data	+
Status	Discontinued	Discontinued

Security technologies

Core i5-7400 and Core i7-620UM technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	+	no data
MPX	+	no data
Identity Protection	+	no data
SGX	Yes with Intel® ME	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-7400 and Core i7-620UM are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-7400 and Core i7-620UM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR3-800
Maximum memory size	64 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	38.397 GB/s	12.8 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 630	Intel® HD Graphics for Previous Generation Intel® Processors
Max video memory	64 GB	no data
Quick Sync Video	+	no data
Clear Video	+	+
Clear Video HD	+	+
Graphics max frequency	1 GHz	500 MHz
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-7400 and Core i7-620UM integrated GPUs.

Number of displays supported

3

2

Graphics image quality

Maximum display resolutions supported by Core i5-7400 and Core i7-620UM integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	no data

Graphics API support

APIs supported by Core i5-7400 and Core i7-620UM 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 i5-7400 and Core i7-620UM.

PCIe version	3.0	2.0
PCI Express lanes	16	16

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 i5-7400 outperforms Core i7-620UM by 445% based on our aggregated benchmark results.

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Pros & Cons Summary

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Performance score	3.54	0.65
Recency	3 January 2017	4 January 2010
Physical cores	4	2
Cost	$182	$278
Chip lithography	14 nm	32 nm
Power consumption (TDP)	65 Watt	18 Watt

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Should you still have questions on choice between Core i5-7400 and Core i7-620UM, ask them in Comments section, and we shall answer.

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