Intel Core i9-9900X vs Core i9-10900X

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VS
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Price now 278$
Games supported 100%
i9-10900X
Intel Core i9-10900X
Buy
  • Interface
  • Core clock speed
  • Max video memory
  • Memory type
  • Memory clock speed
  • Maximum resolution
i9-9900X
Intel Core i9-9900X
Buy
  • Interface
  • Core clock speed
  • Max video memory
  • Memory type
  • Memory clock speed
  • Maximum resolution
Price now 822$
Games supported 100%

General info

Comparing Core i9-10900X and Core i9-9900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking334350
Value for money36.8710.12
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i9
Architecture codenameCascade Lake-X (2019)Skylake-X (2018)
Release date19 October 2019 (3 years old)8 October 2018 (4 years old)
Launch price (MSRP)no data$989
Current price$278 $822 (0.8x MSRP)
Value for money

Performance per price, higher is better.

Technical specs

Core i9-10900X and Core i9-9900X 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 cores10 (Deca-Core)10 (Deca-Core)
Threads2020
Base clock speed3.7 GHz3.5 GHz
Boost clock speed4.7 GHz4.5 GHz
Bus supportno data4 × 8 GT/s
L1 cache64K (per core)64K (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache19.25 MB (shared)19.25 MB (shared)
Chip lithography14 nm14 nm
Maximum core temperature94 °C92 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Core i9-10900X and Core i9-9900X 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 configuration11
SocketFCLGA2066FCLGA2066
Power consumption (TDP)165 Watt165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-10900X and Core i9-9900X. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Turbo Boost Max 3.0++

Security technologies

Core i9-10900X and Core i9-9900X technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-10900X and Core i9-9900X are enumerated here.

VT-d++
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-10900X and Core i9-9900X. Depending on the motherboards, higher memory frequencies may be supported.

Supported memory typesDDR4-2933DDR4-2666
Maximum memory size256 GB128 GB
Max memory channels44
Maximum memory bandwidth94 GB/s85 GB/s
ECC memory support--

Peripherals

Specifications and connection of peripherals supported by Core i9-10900X and Core i9-9900X.

PCIe version3.03.0
PCI Express lanes4844

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


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.

i9-10900X 17.84
+2.7%
i9-9900X 17.37

Core i9-10900X outperforms Core i9-9900X by 3% in our combined benchmark results.


Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Benchmark coverage: 68%

i9-10900X 22482
+2.7%
i9-9900X 21898

Core i9-10900X outperforms Core i9-9900X by 3% in Passmark.

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Benchmark coverage: 37%

i9-10900X 1560
+9.6%
i9-9900X 1424

Core i9-10900X outperforms Core i9-9900X by 10% in GeekBench 5 Single-Core.

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Benchmark coverage: 37%

i9-10900X 9224
+1.1%
i9-9900X 9125

Core i9-10900X outperforms Core i9-9900X by 1% in GeekBench 5 Multi-Core.

Gaming performance

Advantages and disadvantages


Performance score 17.84 17.37
Recency 19 October 2019 8 October 2018
Boost clock speed 4500 4400
Base clock speed 3700 3500

We couldn't decide between Core i9-10900X and Core i9-9900X. The differences in performance seem too small.


Should you still have questions on choice between Core i9-10900X and Core i9-9900X, ask them in Comments section, and we shall answer.

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Intel Core i9-10900X
Core i9-10900X
Intel Core i9-9900X
Core i9-9900X

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Questions and comments

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