Athlon X2 450 vs A6-6400K

Place in the ranking	2519	2602
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Series	AMD A-Series (Desktop)	no data
Power efficiency	1.38	1.19
Architecture codename	Richland (2013−2014)	Kaveri (2014−2015)
Release date	1 June 2013 (11 years ago)	31 July 2014 (10 years ago)

Detailed specifications

A6-6400K and Athlon X2 450 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	2	2
Base clock speed	3.9 GHz	3.5 GHz
Boost clock speed	4.1 GHz	3.9 GHz
L1 cache	96 KB	128K
L2 cache	1024 KB	1 MB (shared)
L3 cache	0 KB	no data
Chip lithography	32 nm	28 nm
Die size	246 mm²	245 mm²
Maximum core temperature	70 °C	no data
Maximum case temperature (TCase)	70 °C	72 °C
Number of transistors	1,178 million	2,411 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	+	+

Compatibility

Information on A6-6400K and Athlon X2 450 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	FM2+
Power consumption (TDP)	65 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-6400K and Athlon X2 450. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX, SSE1-4a, AES, ABM, AVX, BMI1, AMD64, VT, EVP, Turbo Core 3.0	no data
AES-NI	+	+
FMA	FMA4	+
AVX	+	+
PowerNow	+	-
PowerGating	+	-
VirusProtect	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by A6-6400K and Athlon X2 450 are enumerated here.

AMD-V	+	+
IOMMU 2.0	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-6400K and Athlon X2 450. Depending on the motherboard, higher memory frequencies may be supported.

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

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon HD 8470D	no data
จำนวนพาธไลน์	192	no data
Enduro	+	-
Switchable graphics	+	-
UVD	+	-
VCE	+	-

Graphics interfaces

Available interfaces and connections of A6-6400K and Athlon X2 450 integrated GPUs.

DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by A6-6400K and Athlon X2 450 integrated GPUs, sometimes API versions are included.

DirectX

DirectX® 11

no data

Peripherals

Specifications and connection of peripherals supported by A6-6400K and Athlon X2 450.

PCIe version	2.0	3.0
PCI Express lanes	no data	16

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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.

A6-6400K 0.95
+15.9%

Athlon X2 450 0.82

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

A6-6400K 1504
+16.1%

Athlon X2 450 1295