Celeron 420 vs i5-4258U

Primary details

Comparing Core i5-4258U and Celeron 420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2064	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core i5	no data
Power efficiency	5.62	no data
Architecture codename	Haswell (2013−2015)	Conroe-L (2007−2008)
Release date	4 June 2013 (11 years ago)	June 2007 (17 years ago)
Launch price (MSRP)	$342	$23

Detailed specifications

Core i5-4258U and Celeron 420 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	2 (Dual-core)	1 (Single-Core)
Threads	4	1
Base clock speed	2.4 GHz	1.6 GHz
Boost clock speed	2.9 GHz	1.6 GHz
Bus rate	5 GT/s	no data
L1 cache	64K (per core)	64 KB
L2 cache	256K (per core)	512 KB
L3 cache	3 MB (shared)	0 KB
Chip lithography	22 nm	65 nm
Die size	118 mm2	77 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	no data	60 °C
Number of transistors	1,400 million	105 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	no data	1V-1.3375V

Compatibility

Information on Core i5-4258U and Celeron 420 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	FCBGA1168	LGA775
Power consumption (TDP)	28 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-4258U and Celeron 420. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	+	-
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
Idle States	+	+
Thermal Monitoring	+	+
Demand Based Switching	no data	-
GPIO	+	no data
Smart Connect	+	no data
FDI	-	no data
AMT	9.5	no data
Matrix Storage	-	no data
FSB parity	no data	-
HD Audio	+	no data
RST	+	no data

Security technologies

Core i5-4258U and Celeron 420 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-4258U and Celeron 420 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-4258U and Celeron 420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR1, DDR2, DDR3
Maximum memory size	16 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel Iris Graphics 5100	no data
Max video memory	2 GB	no data
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.1 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-4258U and Celeron 420 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-

Graphics image quality

Maximum display resolutions supported by Core i5-4258U and Celeron 420 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	3280x2000@60Hz	no data
Max resolution over DisplayPort	3200x2000@60Hz	no data

Graphics API support

APIs supported by Core i5-4258U and Celeron 420 integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-4258U and Celeron 420.

PCIe version	2.0	no data
PCI Express lanes	12	no data
PCI support	-	no data
USB revision	3.0	no data
Total number of SATA ports	4	no data
Max number of SATA 6 Gb/s Ports	4	no data
Integrated IDE	-	no data
Number of USB ports	4	no data
Integrated LAN	-	no data
UART	+	no data

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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Pros & cons summary

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Physical cores	2	1
Threads	4	1
Chip lithography	22 nm	65 nm
Power consumption (TDP)	28 Watt	35 Watt

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Should you still have questions on choice between Core i5-4258U and Celeron 420, ask them in Comments section, and we shall answer.

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