Celeron 7305 vs Xeon E3-1275 v2

Primary details

Comparing Xeon E3-1275 v2 and Celeron 7305 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1379	2108
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.82	no data
Market segment	Server	Laptop
Power efficiency	5.13	9.78
Architecture codename	Ivy Bridge (2012−2013)	Alder Lake-U (2022)
Release date	14 May 2012 (12 years ago)	23 February 2022 (2 years ago)
Launch price (MSRP)	$808	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1275 v2 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	4 (Quad-Core)	5 (Penta-Core)
Threads	8	5
Base clock speed	3.5 GHz	no data
Boost clock speed	3.9 GHz	1.1 GHz
Bus rate	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	8 MB (shared)	8 MB (shared)
Chip lithography	22 nm	Intel 7 nm
Die size	160 mm2	no data
Maximum core temperature	no data	100 °C
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Xeon E3-1275 v2 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	FCLGA1155	FCBGA1744
Power consumption (TDP)	77 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1275 v2 and Celeron 7305. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	+	+
Demand Based Switching	+	no data
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Xeon E3-1275 v2 and Celeron 7305 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1275 v2 and Celeron 7305 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1275 v2 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	32.77 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD P4000	Intel® UHD Graphics for 12th Gen Intel® Processors
Quick Sync Video	+	+
Clear Video HD	+	no data
Graphics max frequency	1.25 GHz	1.1 GHz
Execution Units	no data	48
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1275 v2 and Celeron 7305 integrated GPUs.

Number of displays supported

3

4

Graphics image quality

Maximum display resolutions supported by Xeon E3-1275 v2 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 Xeon E3-1275 v2 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 Xeon E3-1275 v2 and Celeron 7305.

PCIe version	3.0	4.0
PCI Express lanes	no data	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.

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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.

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Pros & cons summary

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Performance score	4.17	1.55
Recency	14 May 2012	23 February 2022
Physical cores	4	5
Threads	8	5
Power consumption (TDP)	77 Watt	15 Watt

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Should you still have questions on choice between Xeon E3-1275 v2 and Celeron 7305, ask them in Comments section, and we shall answer.

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