Celeron 7305 vs i5-661

Place in the ranking	2124	2123
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.12	no data
Market segment	Desktop processor	Laptop
Power efficiency	1.70	9.84
Architecture codename	Clarkdale (2010−2011)	Alder Lake-U (2022)
Release date	7 January 2010 (14 years ago)	23 February 2022 (2 years ago)
Launch price (MSRP)	$252	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-661 and Celeron 7305 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)	5 (Penta-Core)
Threads	4	5
Base clock speed	3.33 GHz	no data
Boost clock speed	3.6 GHz	1.1 GHz
Bus rate	2.5 GT/s	no data
L1 cache	64 KB (per core)	80K (per core)
L2 cache	256 KB (per core)	1.25 MB (per core)
L3 cache	4 MB (shared)	8 MB (shared)
Chip lithography	32 nm	Intel 7 nm
Die size	81 mm²	no data
Maximum core temperature	70 °C	100 °C
Number of transistors	382 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Core i5-661 and Celeron 7305 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	FCLGA1156	FCBGA1744
Power consumption (TDP)	87 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-661 and Celeron 7305. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	1.0	-
Hyper-Threading Technology	+	-
TSX	-	+
Idle States	+	no data
Thermal Monitoring	-	+
Flex Memory Access	no data	+
Demand Based Switching	-	no data
PAE	36 Bit	no data
FDI	+	no data
Deep Learning Boost	-	+

Security technologies

Core i5-661 and Celeron 7305 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-661 and Celeron 7305 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-661 and Celeron 7305. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Maximum memory size	16.38 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics for Previous Generation Intel Processors	Intel UHD Graphics for 12th Gen Intel Processors
Quick Sync Video	-	+
Clear Video HD	+	no data
Graphics max frequency	no data	1.1 GHz
Execution Units	no data	48

Graphics interfaces

Available interfaces and connections of Core i5-661 and Celeron 7305 integrated GPUs.

Number of displays supported

Graphics image quality

Maximum display resolutions supported by Core i5-661 and Celeron 7305 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2304 @ 60Hz
Max resolution over eDP	no data	4096 x 2304 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i5-661 and Celeron 7305 integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Core i5-661 and Celeron 7305.

PCIe version	2.0	4.0
PCI Express lanes	16	20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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.

i5-661 1.56

Celeron 7305 1.56

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i5-661 2471

Celeron 7305 2471

Gaming performance

Pros & cons summary

Integrated graphics card	0.77	5.58
Recency	7 January 2010	23 February 2022
Physical cores	2	5
Threads	4	5
Power consumption (TDP)	87 Watt	15 Watt

Celeron 7305 has 624.7% faster integrated GPU, an age advantage of 12 years, 150% more physical cores and 25% more threads, and 480% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i5-661 and Celeron 7305.

Note that Core i5-661 is a desktop processor while Celeron 7305 is a notebook one.

Should you still have questions on choice between Core i5-661 and Celeron 7305, ask them in Comments section, and we shall answer.