Celeron U3405 vs Core i5-2500K

Primary details

Comparing Core i5-2500K and Celeron U3405 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1630	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.43	no data
Market segment	Desktop processor	Laptop
Series	Core i5 (Desktop)	Intel Celeron
Architecture codename	Sandy Bridge (2011−2013)	Westmere (2010−2011)
Release date	9 January 2011 (13 years ago)	no data
Launch price (MSRP)	$216	no data
Current price	$196 (0.9x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-2500K and Celeron U3405 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	2
Base clock speed	3.3 GHz	1.06 GHz
Boost clock speed	3.7 GHz	0.07 GHz
Bus support	no data	1 × 2.5 GT/s
L1 cache	64 KB (per core)	128 KB
L2 cache	256K (per core)	512 KB
L3 cache	6 MB (shared)	2 MB
Chip lithography	32 nm	32 nm
Die size	216 mm2	81 mm2
Maximum core temperature	73 °C	90 °C
Number of transistors	1,160 million	382 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on Core i5-2500K and Celeron U3405 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	LGA1155	BGA1288
Power consumption (TDP)	95 Watt	18 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2500K and Celeron U3405. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i5-2500K and Celeron U3405 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Identity Protection	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2500K and Celeron U3405 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-2500K and Celeron U3405. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3-800, DDR3-1066
Maximum memory size	32 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	17.1 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 3000	Intel® HD Graphics for Previous Generation Intel® Processors
Quick Sync Video	+	no data
Clear Video	no data	+
Clear Video HD	+	-
Graphics max frequency	1.1 GHz	500 MHz
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-2500K and Celeron U3405 integrated GPUs.

Number of displays supported

2

2

Peripherals

Specifications and connection of peripherals supported by Core i5-2500K and Celeron U3405.

PCIe version	2.0	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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Pros & cons summary

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Physical cores	4	2
Threads	4	2
Power consumption (TDP)	95 Watt	18 Watt

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Should you still have questions on choice between Core i5-2500K and Celeron U3405, ask them in Comments section, and we shall answer.

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