A9-9400 SoC vs Core i5-5257U

Primary Details

Comparing Core i5-5257U and A9-9400 SoC processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1889	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core i5	no data
Architecture codename	Broadwell-U (2015)	Stoney Ridge (2016−2019)
Release date	1 March 2015 (9 years ago)	31 May 2016 (7 years ago)
Launch price (MSRP)	$315	no data
Current price	$761 (2.4x MSRP)	no data

Detailed Specifications

Core i5-5257U 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	2 (Dual-core)	2 (Dual-core)
Threads	4	2
Base clock speed	2.7 GHz	2.4 GHz
Boost clock speed	3.1 GHz	3.2 GHz
L1 cache	64K (per core)	128 KB (per core)
L2 cache	256K (per core)	1 MB (per core)
L3 cache	3 MB (shared)	0 KB
Chip lithography	14 nm	28 nm
Die size	133 mm2	124 mm2
Maximum core temperature	105 °C	no data
Maximum case temperature (TCase)	105 °C	74 °C
Number of transistors	1900 Million	1,200 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Core i5-5257U 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	1	1
Socket	FCBGA1168	FT4
Power consumption (TDP)	28 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-5257U and A9-9400 SoC. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	+
FMA	no data	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	-	no data
Idle States	+	no data
Thermal Monitoring	+	no data
Flex Memory Access	+	no data
SIPP	-	no data
Smart Response	+	no data
FDI	+	no data
Fast Memory Access	+	no data
Status	Discontinued	no data

Security technologies

Core i5-5257U and A9-9400 SoC technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-5257U and A9-9400 SoC are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-5257U and A9-9400 SoC. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR3	DDR4
Maximum memory size	16 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel Iris Graphics 6100	Radeon R5
Max video memory	16 GB	no data
Quick Sync Video	+	no data
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.05 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-5257U and A9-9400 SoC integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data

Graphics image quality

Maximum display resolutions supported by Core i5-5257U and A9-9400 SoC integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	2560X1600@60Hz	no data
Max resolution over DisplayPort	3840x2160@60Hz	no data

Graphics API support

APIs supported by Core i5-5257U and A9-9400 SoC integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-5257U and A9-9400 SoC.

PCIe version	2.0	no data
PCI Express lanes	12	no data

Pros & Cons Summary

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Recency	1 March 2015	31 May 2016
Threads	4	2
Chip lithography	14 nm	28 nm
Power consumption (TDP)	28 Watt	10 Watt

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Should you still have questions on choice between Core i5-5257U and A9-9400 SoC, ask them in Comments section, and we shall answer.

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