Xeon E3-1220 vs A8-6600K

Primary details

Comparing A8-6600K and Xeon E3-1220 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1980	1778
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.31	0.58
Market segment	Desktop processor	Server
Series	AMD A-Series (Desktop)	no data
Power efficiency	1.79	2.86
Architecture codename	Richland (2013−2014)	Sandy Bridge (2011−2013)
Release date	1 June 2013 (11 years ago)	3 April 2011 (13 years ago)
Launch price (MSRP)	$142	$395

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E3-1220 has 87% better value for money than A8-6600K.

Detailed specifications

A8-6600K and Xeon E3-1220 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	4	4
Base clock speed	3.9 GHz	3.1 GHz
Boost clock speed	4.2 GHz	3.4 GHz
L1 cache	192 KB	64 KB (per core)
L2 cache	4096 KB	256 KB (per core)
L3 cache	0 KB	8 MB (shared)
Chip lithography	32 nm	32 nm
Die size	246 mm2	216 mm2
Maximum core temperature	74 °C	69 °C
Maximum case temperature (TCase)	74 °C	no data
Number of transistors	1,178 million	1,160 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on A8-6600K and Xeon E3-1220 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	FM2	LGA1155
Power consumption (TDP)	100 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-6600K and Xeon E3-1220. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
AES-NI	+	+
FMA	FMA4	-
AVX	AVX	+
PowerNow	+	-
PowerGating	+	-
VirusProtect	+	-
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	-
Idle States	no data	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
Demand Based Switching	no data	+
FDI	no data	-
Fast Memory Access	no data	+

Security technologies

A8-6600K and Xeon E3-1220 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by A8-6600K and Xeon E3-1220 are enumerated here.

AMD-V	+	-
VT-d	no data	+
VT-x	no data	+
EPT	no data	+
IOMMU 2.0	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-6600K and Xeon E3-1220. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1866	DDR3
Maximum memory size	no data	32 GB
Max memory channels	2	2
Maximum memory bandwidth	no data	21 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon HD 8570D	no data
จำนวนพาธไลน์	256	no data
Enduro	+	-
Switchable graphics	+	-
UVD	+	-
VCE	+	-

Graphics interfaces

Available interfaces and connections of A8-6600K and Xeon E3-1220 integrated GPUs.

DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by A8-6600K and Xeon E3-1220 integrated GPUs, sometimes API versions are included.

DirectX

DirectX® 11

no data

Peripherals

Specifications and connection of peripherals supported by A8-6600K and Xeon E3-1220.

PCIe version	2.0	2.0
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	1.89	2.42
Recency	1 June 2013	3 April 2011
Power consumption (TDP)	100 Watt	80 Watt

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Should you still have questions on choice between A8-6600K and Xeon E3-1220, ask them in Comments section, and we shall answer.

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