Ryzen Threadripper 3990X vs A10-7850K

Primary details

Comparing A10-7850K and Ryzen Threadripper 3990X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1853	34
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.25	9.21
Market segment	Desktop processor	Desktop processor
Series	AMD A-Series (Desktop)	AMD Ryzen Threadripper
Power efficiency	2.13	17.00
Architecture codename	Godaveri (2014−2016)	Matisse (2019−2020)
Release date	14 January 2014 (10 years ago)	7 February 2020 (4 years ago)
Launch price (MSRP)	$173	$3,999

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen Threadripper 3990X has 3584% better value for money than A10-7850K.

Detailed specifications

A10-7850K and Ryzen Threadripper 3990X 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)	64 (Tetrahexaconta-Core)
Threads	4	128
Base clock speed	3.7 GHz	2.9 GHz
Boost clock speed	4 GHz	4.3 GHz
Multiplier	no data	29
L1 cache	256 KB	96K (per core)
L2 cache	4096 KB	512K (per core)
L3 cache	0 KB	256 MB
Chip lithography	28 nm	7 nm, 12 nm
Die size	246 mm2	74 mm2
Maximum core temperature	72 °C	no data
Maximum case temperature (TCase)	74 °C	95 °C
Number of transistors	1,178 million	3,800 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	+

Compatibility

Information on A10-7850K and Ryzen Threadripper 3990X 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+	TR4
Power consumption (TDP)	95 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A10-7850K and Ryzen Threadripper 3990X. You'll probably need this information if you require some particular technology.

Instruction set extensions	SSE1-4A, AVX, FM4A, VT	no data
AES-NI	+	+
FMA	FMA4	-
AVX	+	+
FRTC	+	-
FreeSync	+	-
DualGraphics	+	-
TrueAudio	+	-
PowerNow	+	-
PowerGating	+	-
Out-of-band client management	+	-
VirusProtect	+	-
HSA	+	-
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by A10-7850K and Ryzen Threadripper 3990X are enumerated here.

AMD-V	+	+
IOMMU 2.0	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A10-7850K and Ryzen Threadripper 3990X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-2133	DDR4-3200
Maximum memory size	no data	256 GB
Max memory channels	2	4
Maximum memory bandwidth	no data	102.403 GB/s
ECC memory support	-	+

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	+	-
UVD	+	-
VCE	+	-

Graphics interfaces

Available interfaces and connections of A10-7850K and Ryzen Threadripper 3990X integrated GPUs.

DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by A10-7850K and Ryzen Threadripper 3990X integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	-
Vulkan	+	-

Peripherals

Specifications and connection of peripherals supported by A10-7850K and Ryzen Threadripper 3990X.

PCIe version

3.0

4.0

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	2.14	50.29
Recency	14 January 2014	7 February 2020
Physical cores	4	64
Threads	4	128
Chip lithography	28 nm	7 nm
Power consumption (TDP)	95 Watt	280 Watt

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Should you still have questions on choice between A10-7850K and Ryzen Threadripper 3990X, ask them in Comments section, and we shall answer.

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