Core i7-9700KF vs A6-6400K

Primary details

Comparing A6-6400K and Core i7-9700KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2374	758
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.12	14.37
Market segment	Desktop processor	Desktop processor
Series	AMD A-Series (Desktop)	Intel Core i7
Architecture codename	Richland (2013−2014)	Coffee Lake (2017−2019)
Release date	1 June 2013 (10 years ago)	8 January 2019 (5 years ago)
Launch price (MSRP)	no data	$374
Current price	$80	$280 (0.7x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-9700KF has 11875% better value for money than A6-6400K.

Detailed specifications

A6-6400K and Core i7-9700KF 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)	8 (Octa-Core)
Threads	2	8
Base clock speed	3.9 GHz	3.6 GHz
Boost clock speed	4.1 GHz	4.9 GHz
Bus support	no data	4 × 8 GT/s
L1 cache	96 KB	64K (per core)
L2 cache	1024 KB	256K (per core)
L3 cache	0 KB	12 MB (shared)
Chip lithography	32 nm	14 nm
Die size	246 mm2	no data
Maximum core temperature	70 °C	100 °C
Maximum case temperature (TCase)	70 °C	72 °C
Number of transistors	1,178 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	Yes	Yes

Compatibility

Information on A6-6400K and Core i7-9700KF 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	FCLGA1151
Power consumption (TDP)	65 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-6400K and Core i7-9700KF. 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	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
FMA	FMA4	no data
AVX	+	+
PowerTune	-	no data
TrueAudio	-	no data
PowerNow	+	no data
PowerGating	+	no data
Out-of-band client management	-	no data
VirusProtect	+	no data
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	-
TSX	no data	+
Idle States	no data	+
Thermal Monitoring	no data	+
SIPP	no data	+
Status	no data	Discontinued

Security technologies

A6-6400K and Core i7-9700KF technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
Secure Key	no data	+
MPX	no data	+
Identity Protection	no data	+
SGX	no data	Yes with Intel® ME
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by A6-6400K and Core i7-9700KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-6400K and Core i7-9700KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1866	DDR4-2666
Maximum memory size	no data	128 GB
Max memory channels	2	2
Maximum memory bandwidth	no data	41.6 GB/s
ECC memory support	no data	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon HD 8470D	no data
Number of pipelines	192	no data
Enduro	+	no data
Switchable graphics	1	no data
UVD	+	no data
VCE	+	no data

Graphics interfaces

Available interfaces and connections of A6-6400K and Core i7-9700KF integrated GPUs.

DisplayPort	+	no data
HDMI	+	no data

Graphics API support

APIs supported by A6-6400K and Core i7-9700KF integrated GPUs, sometimes API versions are included.

DirectX

DirectX® 11

no data

Peripherals

Specifications and connection of peripherals supported by A6-6400K and Core i7-9700KF.

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.

Core i7-9700KF outperforms A6-6400K by 854% based on our aggregated benchmark results.

---

Pros & cons summary

---

Performance score	0.97	9.25
Recency	1 June 2013	8 January 2019
Physical cores	2	8
Threads	2	8
Chip lithography	32 nm	14 nm
Power consumption (TDP)	65 Watt	95 Watt

---

Should you still have questions on choice between A6-6400K and Core i7-9700KF, ask them in Comments section, and we shall answer.

Vote for your favorite

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

---