Ryzen Threadripper 1900X vs Core i9-9900K

Primary details

Comparing Core i9-9900K and Ryzen Threadripper 1900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	595	647
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	12.95	29.71
Market segment	Desktop processor	Desktop processor
Series	Core i9 (Desktop)	AMD Ryzen Threadripper
Architecture codename	Coffee Lake-R (2018−2019)	Zen (2017−2020)
Release date	19 October 2018 (5 years ago)	31 August 2017 (6 years ago)
Launch price (MSRP)	$488	$549
Current price	$409 (0.8x MSRP)	$110 (0.2x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen Threadripper 1900X has 129% better value for money than i9-9900K.

Detailed specifications

Core i9-9900K and Ryzen Threadripper 1900X 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	8 (Octa-Core)	8 (Octa-Core)
Threads	16	16
Base clock speed	3.6 GHz	3.8 GHz
Boost clock speed	5 GHz	4 GHz
Bus support	no data	4 × 8 GT/s
L1 cache	64K (per core)	96K (per core)
L2 cache	256K (per core)	512K (per core)
L3 cache	16 MB (shared)	32 MB
Chip lithography	14 nm	14 nm
Die size	178 mm2	213 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	9,600 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	Yes	Yes

Compatibility

Information on Core i9-9900K and Ryzen Threadripper 1900X 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	LGA-1151	SP3r2
Power consumption (TDP)	95 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900K and Ryzen Threadripper 1900X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	no data
Idle States	+	no data
Thermal Monitoring	+	no data
SIPP	+	no data
Status	Discontinued	no data

Security technologies

Core i9-9900K and Ryzen Threadripper 1900X 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	Yes with Intel® ME	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900K and Ryzen Threadripper 1900X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900K and Ryzen Threadripper 1900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4 Quad-channel
Maximum memory size	128 GB	2 TiB
Max memory channels	2	4
Maximum memory bandwidth	41.6 GB/s	85.33 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics 630	-
Max video memory	64 GB	-
Quick Sync Video	+	-
Clear Video	+	-
Clear Video HD	+	-
Graphics max frequency	1.2 GHz	-
InTru 3D	+	-

Graphics interfaces

Available interfaces and connections of Core i9-9900K and Ryzen Threadripper 1900X integrated GPUs.

Number of displays supported

3

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Graphics image quality

Maximum display resolutions supported by Core i9-9900K and Ryzen Threadripper 1900X integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	-
Max resolution over HDMI 1.4	4096 x 2304@24Hz	-
Max resolution over eDP	4096 x 2304@60Hz	-
Max resolution over DisplayPort	4096 x 2304@60Hz	-

Graphics API support

APIs supported by Core i9-9900K and Ryzen Threadripper 1900X integrated GPUs, sometimes API versions are included.

DirectX	12	-
OpenGL	4.5	-

Peripherals

Specifications and connection of peripherals supported by Core i9-9900K and Ryzen Threadripper 1900X.

PCIe version	3.0	3.0
PCI Express lanes	16	60

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.

Core i9-9900K outperforms Ryzen Threadripper 1900X by 9% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	11.84	10.86
Recency	19 October 2018	31 August 2017
Cost	$488	$549
Power consumption (TDP)	95 Watt	125 Watt

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Should you still have questions on choice between Core i9-9900K and Ryzen Threadripper 1900X, ask them in Comments section, and we shall answer.

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