A9-9400 SoC vs Xeon E5649

Primary details

Comparing Xeon E5649 and A9-9400 SoC processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1423	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.56	no data
Market segment	Server	Desktop processor
Architecture codename	Westmere-EP (2010−2011)	Stoney Ridge (2016−2019)
Release date	14 February 2011 (13 years ago)	31 May 2016 (8 years ago)
Launch price (MSRP)	$45	no data
Current price	$98 (2.2x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5649 and A9-9400 SoC 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	6 (Hexa-Core)	2 (Dual-core)
Threads	12	2
Base clock speed	2.53 GHz	2.4 GHz
Boost clock speed	2.93 GHz	3.2 GHz
L1 cache	64 KB (per core)	160 KB
L2 cache	256 KB (per core)	1 MB (per core)
L3 cache	12288 KB (shared)	0 KB
Chip lithography	32 nm	28 nm
Die size	239 mm2	125 mm2
Maximum core temperature	76 °C	no data
Maximum case temperature (TCase)	no data	74 °C
Number of transistors	1,170 million	1,200 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5649 and A9-9400 SoC 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	2	1
Socket	FCLGA1366	FT4
Power consumption (TDP)	80 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5649 and A9-9400 SoC. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
AES-NI	+	+
FMA	no data	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	-	no data
Demand Based Switching	+	no data
PAE	40 Bit	no data
Status	Discontinued	no data

Security technologies

Xeon E5649 and A9-9400 SoC technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5649 and A9-9400 SoC 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 E5649 and A9-9400 SoC. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	288 GB	no data
Max memory channels	3	no data
Maximum memory bandwidth	32 GB/s	no data
ECC memory support	+	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Radeon R5 3CU

Peripherals

Specifications and connection of peripherals supported by Xeon E5649 and A9-9400 SoC.

PCIe version	2.0	3.0
PCI Express lanes	no data	8

Pros & cons summary

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Recency	14 February 2011	31 May 2016
Physical cores	6	2
Threads	12	2
Chip lithography	32 nm	28 nm
Power consumption (TDP)	80 Watt	10 Watt

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