A8-3800 vs Xeon E3-1275

Primary Details

Comparing Xeon E3-1275 and A8-3800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1424	2146
Place by popularity	not in top-100	not in top-100
Cost-Effectiveness Evaluation	0.78	2.06
Market segment	Server	Desktop processor
Architecture codename	Sandy Bridge (2011−2013)	Llano (2011−2012)
Release date	3 April 2011 (13 years ago)	30 June 2011 (12 years ago)
Launch price (MSRP)	$450	no data
Current price	$383 (0.9x MSRP)	$40

Cost-Effectiveness Evaluation

Performance per price, higher is better.

A8-3800 has 164% better value for money than Xeon E3-1275.

Detailed Specifications

Xeon E3-1275 and A8-3800 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)	4 (Quad-Core)
Threads	8	4
Base clock speed	3.4 GHz	2.4 GHz
Boost clock speed	3.8 GHz	2.7 GHz
L1 cache	64 KB (per core)	128 KB (per core)
L2 cache	256 KB (per core)	1 MB (per core)
L3 cache	8 MB (shared)	0 KB
Chip lithography	32 nm	32 nm
Die size	216 mm2	228 mm2
Maximum core temperature	73 °C	no data
Number of transistors	1,160 million	1,178 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E3-1275 and A8-3800 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	FM1
Power consumption (TDP)	95 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1275 and A8-3800. 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	+	no data
AVX	+	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	no data
Flex Memory Access	+	no data
Demand Based Switching	+	no data
FDI	+	no data
Fast Memory Access	+	no data
Status	Discontinued	no data

Security technologies

Xeon E3-1275 and A8-3800 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Identity Protection	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1275 and A8-3800 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1275 and A8-3800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21 GB/s	no data
ECC memory support	+	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD P3000	AMD Radeon HD 6550D
Quick Sync Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.35 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1275 and A8-3800 integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1275 and A8-3800.

PCIe version	2.0	no data
PCI Express lanes	20	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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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.

Xeon E3-1275 outperforms A8-3800 by 172% based on our aggregated benchmark results.

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Pros & Cons Summary

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Performance score	3.56	1.31
Recency	3 April 2011	30 June 2011
Threads	8	4
Power consumption (TDP)	95 Watt	65 Watt

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Should you still have questions on choice between Xeon E3-1275 and A8-3800, ask them in Comments section, and we shall answer.

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