A8-4557M vs A6-7400K

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2717	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	AMD A-Series
Power efficiency	1.57	no data
Designer	AMD	AMD
Manufacturer	GlobalFoundries	no data
Architecture codename	Kaveri (2014−2015)	Trinity (2012−2013)
Release date	31 July 2014 (11 years ago)	15 May 2012 (13 years ago)

Detailed specifications

A6-7400K and A8-4557M 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)	4 (Quad-Core)
Threads	2	4
Base clock speed	3.5 GHz	1.9 GHz
Boost clock speed	3.9 GHz	2.8 GHz
L1 cache	128 KB	no data
L2 cache	1024 KB	4 MB
Chip lithography	28 nm	32 nm
Die size	245 mm2	246 mm2
Maximum core temperature	70 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	2,411 million	1303 Million
64 bit support	+	+
Windows 11 compatibility	no data	-
Unlocked multiplier	+	-

Compatibility

Information on A6-7400K and A8-4557M 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	no data
Socket	FM2+	BGA
Power consumption (TDP)	65 Watt	4 MB

Technologies and extensions

Technological solutions and additional instructions supported by A6-7400K and A8-4557M. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA
AES-NI	+	+
FMA	+	+
AVX	+	+
FRTC	+	-
FreeSync	+	-
TrueAudio	+	-
PowerNow	+	-
PowerGating	+	-
Out-of-band client management	+	-
VirusProtect	+	-
HSA	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by A6-7400K and A8-4557M are enumerated here.

AMD-V	+	-
IOMMU 2.0	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-7400K and A8-4557M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1866	no data
Max memory channels	2	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare R5 Graphics and HD 7640G	AMD Radeon R5 Graphics	AMD Radeon HD 7640G (497 - 655 MHz)
iGPU core count	4	no data
จำนวนพาธไลน์	256	no data
Enduro	+	-
Switchable graphics	+	-
UVD	+	-
VCE	+	-

Graphics interfaces

Available interfaces and connections of A6-7400K and A8-4557M integrated GPUs.

DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by A6-7400K and A8-4557M integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	no data
Vulkan	+	-

Peripherals

Specifications and connection of peripherals supported by A6-7400K and A8-4557M.

PCIe version	3.0	no data
PCI Express lanes	16	no data

Pros & cons summary

---

Recency	31 July 2014	15 May 2012
Physical cores	2	4
Threads	2	4
Chip lithography	28 nm	32 nm
Power consumption (TDP)	65 Watt	4 Watt

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---