A10-7800 vs Ryzen 9 3900X

Primary details

Comparing Ryzen 9 3900X and A10-7800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	230	1792
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	37.05	0.26
Market segment	Desktop processor	Desktop processor
Series	AMD Ryzen 9	no data
Architecture codename	Matisse (Zen 2) (2019−2020)	Kaveri (2014−2015)
Release date	7 July 2019 (4 years ago)	31 July 2014 (9 years ago)
Launch price (MSRP)	$499	no data
Current price	$381 (0.8x MSRP)	$185

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 3900X has 14150% better value for money than A10-7800.

Detailed specifications

Ryzen 9 3900X and A10-7800 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	12 (Dodeca-Core)	4 (Quad-Core)
Threads	24	4
Base clock speed	3.8 GHz	3.5 GHz
Boost clock speed	4.6 GHz	3.9 GHz
L1 cache	96K (per core)	256 KB
L2 cache	512K (per core)	4096 KB
L3 cache	64 MB	no data
Chip lithography	7 nm	28 nm
Die size	no data	245 mm2
Maximum core temperature	95 °C	71 °C
Maximum case temperature (TCase)	no data	74 °C
Number of transistors	19,200 million	2,411 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	Yes	No

Compatibility

Information on Ryzen 9 3900X and A10-7800 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	AM4	FM2+
Power consumption (TDP)	125 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900X and A10-7800. You'll probably need this information if you require some particular technology.

AES-NI	+	+
FMA	no data	+
AVX	+	+
FRTC	no data	1
FreeSync	no data	1
PowerTune	no data	-
DualGraphics	no data	1
TrueAudio	no data	+
PowerNow	no data	+
PowerGating	no data	+
Out-of-band client management	no data	+
VirusProtect	no data	+
HSA	no data	1

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900X and A10-7800 are enumerated here.

AMD-V	+	+
IOMMU 2.0	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900X and A10-7800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Dual-channel	DDR3-2133
Maximum memory size	128 GB	no data
Max memory channels	2	2
Maximum memory bandwidth	51.196 GB/s	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	-	AMD Radeon R7 Graphics
iGPU core count	-	8
Number of pipelines	-	512
Enduro	-	+
Switchable graphics	-	1
UVD	-	+
VCE	-	+

Graphics interfaces

Available interfaces and connections of Ryzen 9 3900X and A10-7800 integrated GPUs.

DisplayPort	-	+
HDMI	-	+

Graphics API support

APIs supported by Ryzen 9 3900X and A10-7800 integrated GPUs, sometimes API versions are included.

DirectX	-	DirectX® 12
Vulkan	-	1

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900X and A10-7800.

PCIe version	no data	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.

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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.

Ryzen 9 3900X outperforms A10-7800 by 920% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	21.11	2.07
Recency	7 July 2019	31 July 2014
Physical cores	12	4
Threads	24	4
Chip lithography	7 nm	28 nm
Power consumption (TDP)	125 Watt	65 Watt

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Should you still have questions on choice between Ryzen 9 3900X and A10-7800, ask them in Comments section, and we shall answer.

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