A12-9800 vs i9-7900X

Primary details

Comparing Core i9-7900X and A12-9800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	559	1805
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.87	1.49
Market segment	Desktop processor	Desktop processor
Series	Core i9 (Desktop)	no data
Power efficiency	8.96	3.31
Architecture codename	Skylake (server) (2017−2019)	Bristol Ridge (2016−2019)
Release date	30 May 2017 (7 years ago)	27 July 2017 (7 years ago)
Launch price (MSRP)	$999	$139

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-7900X has 93% better value for money than A12-9800.

Detailed specifications

Core i9-7900X and A12-9800 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	10 (Deca-Core)	4 (Quad-Core)
Threads	20	4
Base clock speed	3.3 GHz	3.8 GHz
Boost clock speed	4.5 GHz	4.2 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	33	no data
L1 cache	640 KB	no data
L2 cache	10 MB	2048 KB
L3 cache	13.75 MB	0 KB
Chip lithography	14 nm	28 nm
Die size	no data	246 mm2
Maximum core temperature	95 °C	90 °C
Maximum case temperature (TCase)	72 °C	74 °C
Number of transistors	no data	1,178 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	+	-

Compatibility

Information on Core i9-7900X and A12-9800 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 (Uniprocessor)	1
Socket	Socket R4	AM4
Power consumption (TDP)	140 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7900X and A12-9800. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
FMA	-	+
AVX	+	+
FRTC	-	+
FreeSync	-	+
PowerTune	-	+
TrueAudio	-	+
PowerNow	-	+
PowerGating	-	+
VirusProtect	-	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Turbo Boost Max 3.0	+	no data

Security technologies

Core i9-7900X and A12-9800 technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7900X and A12-9800 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7900X and A12-9800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-2400
Maximum memory size	128 GB	no data
Max memory channels	4	2
Maximum memory bandwidth	85.33 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	N/A	AMD Radeon R7 Graphics
iGPU core count	no data	8
Enduro	-	+
UVD	-	+
VCE	-	+

Graphics interfaces

Available interfaces and connections of Core i9-7900X and A12-9800 integrated GPUs.

DisplayPort	-	+
HDMI	-	+

Graphics API support

APIs supported by Core i9-7900X and A12-9800 integrated GPUs, sometimes API versions are included.

DirectX	no data	DirectX® 12
Vulkan	-	+

Peripherals

Specifications and connection of peripherals supported by Core i9-7900X and A12-9800.

PCIe version	3.0	3.0
PCI Express lanes	44	8

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	13.70	2.35
Recency	30 May 2017	27 July 2017
Physical cores	10	4
Threads	20	4
Chip lithography	14 nm	28 nm
Power consumption (TDP)	140 Watt	65 Watt

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Should you still have questions on choice between Core i9-7900X and A12-9800, ask them in Comments section, and we shall answer.

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