i9-11900 vs Ryzen 7 1800X

Primary details

Comparing Ryzen 7 1800X and Core i9-11900 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	757	507
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.16	no data
Market segment	Desktop processor	Desktop processor
Series	AMD Ryzen 7	no data
Power efficiency	10.20	20.67
Architecture codename	Zen (2017−2020)	Rocket Lake (2021)
Release date	2 March 2017 (7 years ago)	16 March 2021 (3 years ago)
Launch price (MSRP)	$499	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 7 1800X and Core i9-11900 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	2.5 GHz
Boost clock speed	4 GHz	5.1 GHz
Bus rate	4 × 8 GT/s	8 GT/s
Multiplier	36	no data
L1 cache	768 KB	64K (per core)
L2 cache	4096 KB	256K (per core)
L3 cache	16384 KB	16 MB (shared)
Chip lithography	14 nm	14 nm
Die size	192 mm2	no data
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	4,800 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 7 1800X and Core i9-11900 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	FCLGA1200
Power consumption (TDP)	95 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 1800X and Core i9-11900. You'll probably need this information if you require some particular technology.

Instruction set extensions	XFR, FMA3, SSE 4.2, AVX2, SMT	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
FMA	FMA3	-
AVX	+	+
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	-	+
Idle States	no data	+
Thermal Monitoring	-	+
SIPP	-	+
Turbo Boost Max 3.0	no data	+
XFR	+	-
SenseMI	+	-
Deep Learning Boost	-	+

Security technologies

Ryzen 7 1800X and Core i9-11900 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
Secure Key	no data	+
Identity Protection	-	+
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 1800X and Core i9-11900 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 Ryzen 7 1800X and Core i9-11900. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-3200
Maximum memory size	64 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	42.671 GB/s	50 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	-	Intel UHD Graphics 750
Max video memory	-	64 GB
Quick Sync Video	-	+
Clear Video	-	+
Clear Video HD	-	+
Graphics max frequency	-	1.3 GHz
Execution Units	-	32
InTru 3D	-	+

Graphics interfaces

Available interfaces and connections of Ryzen 7 1800X and Core i9-11900 integrated GPUs.

Number of displays supported

-

3

Graphics image quality

Maximum display resolutions supported by Ryzen 7 1800X and Core i9-11900 integrated GPUs, including resolutions over different interfaces.

4K resolution support	-	+
Max resolution over HDMI 1.4	-	4096x2160@60Hz
Max resolution over eDP	-	5120 x 3200 @60Hz
Max resolution over DisplayPort	-	5120 x 3200 @60Hz

Graphics API support

APIs supported by Ryzen 7 1800X and Core i9-11900 integrated GPUs, sometimes API versions are included.

DirectX	-	12.1
OpenGL	-	4.5

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 1800X and Core i9-11900.

PCIe version	n/a	4.0
PCI Express lanes	20	20

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	10.29	14.27
Recency	2 March 2017	16 March 2021
Power consumption (TDP)	95 Watt	65 Watt

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Should you still have questions on choice between Ryzen 7 1800X and Core i9-11900, ask them in Comments section, and we shall answer.

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