i9-9900KF vs A8-7650K

Primary details

Comparing A8-7650K and Core i9-9900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1941	686
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.31	8.50
Market segment	Desktop processor	Desktop processor
Series	AMD A-Series (Desktop)	Intel Core i9
Power efficiency	1.95	11.38
Architecture codename	Kaveri (2014−2015)	Coffee Lake-R (2018−2019)
Release date	7 January 2015 (9 years ago)	8 January 2019 (5 years ago)
Launch price (MSRP)	$152	$488

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-9900KF has 2642% better value for money than A8-7650K.

Detailed specifications

A8-7650K and Core i9-9900KF 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	4 (Quad-Core)	8 (Octa-Core)
Threads	4	16
Base clock speed	3.3 GHz	3.6 GHz
Boost clock speed	3.8 GHz	5 GHz
Bus type	no data	DMI 3.0
Bus rate	no data	4 × 8 GT/s
L1 cache	256 KB	64K (per core)
L2 cache	4096 KB	256K (per core)
L3 cache	no data	16 MB (shared)
Chip lithography	28 nm	14 nm
Die size	245 mm2	no data
Maximum core temperature	72 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	2,411 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	+

Compatibility

Information on A8-7650K and Core i9-9900KF 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 (Uniprocessor)
Socket	FM2+	FCLGA1151
Power consumption (TDP)	95 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-7650K and Core i9-9900KF. You'll probably need this information if you require some particular technology.

Instruction set extensions	SSE1-4a, AVX, AES, FMA4, VT	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
FMA	+	-
AVX	+	+
FRTC	+	-
FreeSync	+	-
DualGraphics	+	-
TrueAudio	+	-
PowerNow	+	-
PowerGating	+	-
Out-of-band client management	+	-
VirusProtect	+	-
HSA	+	-
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	-	+
Idle States	no data	+
Thermal Monitoring	-	+

Security technologies

A8-7650K and Core i9-9900KF technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by A8-7650K and Core i9-9900KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-7650K and Core i9-9900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-2133	DDR4-2666
Maximum memory size	no data	128 GB
Max memory channels	2	2
Maximum memory bandwidth	no data	42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon R7 Graphics	no data
iGPU core count	6	no data
จำนวนพาธไลน์	384	no data
Enduro	+	-
Switchable graphics	+	-
UVD	+	-
VCE	+	-

Graphics interfaces

Available interfaces and connections of A8-7650K and Core i9-9900KF integrated GPUs.

DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by A8-7650K and Core i9-9900KF integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	no data
Vulkan	+	-

Peripherals

Specifications and connection of peripherals supported by A8-7650K and Core i9-9900KF.

PCIe version	3.0	3.0
PCI Express lanes	16	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.

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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.

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Pros & cons summary

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Performance score	1.97	11.48
Recency	7 January 2015	8 January 2019
Physical cores	4	8
Threads	4	16
Chip lithography	28 nm	14 nm

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Should you still have questions on choice between A8-7650K and Core i9-9900KF, ask them in Comments section, and we shall answer.

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