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Rocket Lake - Wikipedia

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Intel microprocessor released in 2021

"Intel 11th gen" redirects here. For Intel's 11th generation mobile processors, see

.

Intel Core i5 11400

• 32 KB instructions
• 48 KB data

• AES-NI, CLMUL, RDRAND, SHA, TXT
• MMX, SSE, SSE2, SSE3, SSSE3, SSE4, SSE4.1, SSE4.2
• AVX, AVX2, AVX-512, FMA3
• VT-x, VT-d

• Up to 8

• LGA 1200

• RKL

• • Core
  • Xeon

Rocket Lake is Intel's codename for its 11th generation Core microprocessors. Released on March 30, 2021,^[2] it is based on the new Cypress Cove microarchitecture, a variant of Sunny Cove (used by Intel's Ice Lake mobile processors) backported to Intel's 14 nm process node.^[4] Rocket Lake cores contain significantly more transistors than Skylake-derived Comet Lake cores.

Rocket Lake features the same LGA 1200 socket and 400-series chipset compatibility as Comet Lake, except H410 and B460 chipsets. It is accompanied by new 500-series chipsets as well.^[5] Rocket Lake has up to eight cores, down from 10 cores for Comet Lake. It features Intel Xe graphics, and PCIe 4.0 support.^[6] Only a single M.2 drive is supported in PCIe 4.0 mode, while all the rest are wired via PCIe 3.0.^[7]

Intel officially launched the Rocket Lake desktop family on March 16, 2021, with sales commencing on March 30.^[8] The 11th generation Core i3, as well as Rocket Lake-based Pentium Gold and Celeron CPUs were not included along with the higher-end models; instead, Intel launched refreshed models for Comet Lake Core i3 and Pentium Gold CPUs. These processors have the same characteristics as their original parts, albeit with a 100 MHz higher frequency and the last digit of their model numbers changing from zero to five.^[9] Intel also released Tiger Lake processors as part of the 11th generation lineup in the desktop/NUC and tablet market. Such processors have the new B suffix in the model names.

• Intel Cypress Cove CPU cores
• Up to 19% claimed increase in IPC (instructions-per-clock)^[4][10]
• DL Boost (low-precision arithmetic for Deep Learning) and AVX-512 instructions
• Compared to its predecessors, SGX instruction set extensions are removed^[11][12][13]

• Intel Xe-LP ("Gen12") GPU with up to 32 execution units^[14][15]
• Fixed-function hardware for decoding HEVC 12-bit, 4:2:2/4:4:4; VP9 12-bit 4:4:4 and AV1 8K 10-bit 4:2:0^[16][17][18]
• DisplayPort 1.4a with Display Stream Compression; HDMI 2.0b
• Support for a single 8K 12-bit HDR display or two 4K 10-bit HDR displays
• Hardware accelerated Dolby Vision
• Sampler Feedback support^{[19][20][21][22]}
• Dual Queue Support^[15]
• Variable Rate Shading^[23][24]
• Integer- and nearest neighbor image scaling^[25]
• GPUs on desktop CPUs support 5K 60 Hz

• Up to 20 CPU lanes of PCI Express 4.0^[26]
• DDR4-3200 memory support^[4]
• USB 3.2 Gen 2×2
• Optional USB4 / Thunderbolt 4 when paired with Intel JHL8540 Thunderbolt 4 Controller^[27][28]
• DMI 3.0 x8 link with Intel 500 Series Chipsets

• All CPUs listed below support DDR4-3200 natively. The Core i9 K/KF processors support a 1:1 ratio of DRAM to memory controller by specification at DDR4-3200, whereas the Core i9 non K/KF and all other CPUs listed below support a 2:1 ratio of DRAM to memory controller at DDR4-3200 and a 1:1 ratio at DDR4-2933.^[29]
• All CPUs support up to 128 GB of RAM in dual channel mode^[30]
• Core i9 CPUs (except 11900T) support Intel Thermal Velocity Boost technology^[31][32]

1. ^ Price is Recommended Customer Price (RCP) at launch. RCP is the trade price that processors are sold by Intel to retailers and OEMs. Actual MSRP for consumers is higher

• These CPUs support ECC memory and require Intel W480 or W580 chipset
• Support up to 128 GB of DDR4-3200 RAM in dual channel mode

• CPUs support ECC memory and require Intel C252 or C256 chipset
• Support up to 128 GB of DDR4-3200 RAM in dual channel mode

• List of Intel CPU microarchitectures
• Intel Core

1. ^ Shilov, Anton (February 7, 2023). "Intel Says Goodbye to Rocket Lake CPUs". Tom's Hardware. Retrieved February 10, 2023.
2. ^ ^{a b} "Intel confirms 11th Gen Core "Rocket Lake-S" is set to launch on March 30". VideoCardz. March 2, 2021. Retrieved March 2, 2021.
3. ^ "Intel Rocket Lake (14nm) Review: Core i9-11900K, Core i7-11700K, and Core i5-11600K".
4. ^ ^{a b c} Cutress, Ian (October 29, 2020). "Intel's 11th Gen Core Rocket Lake Detailed: Ice Lake Core with Xe Graphics". AnandTech. Retrieved December 2, 2022.
5. ^ Liu, Zhiye (October 7, 2020). "Intel Rocket Lake-S CPUs and 500-Series Motherboards Allegedly Arrive In Late March 2021". Tom's Hardware. Retrieved December 16, 2020.
6. ^ Alcorn, Paul (October 7, 2020). "Intel Announces Rocket Lake 2021 Release Ahead of AMD's Zen 3 Announcement". Tom's Hardware. Retrieved December 16, 2020.
7. ^ "Intel Core i9-11900K Review - World's Fastest Gaming Processor?". TechPowerUp. March 30, 2021. Retrieved March 31, 2021.
8. ^ "11th Gen Intel Core: Unmatched Overclocking, Game Performance". Intel Newsroom. March 16, 2021. Retrieved March 19, 2021.
9. ^ Cutress, Ian (March 16, 2021). "Intel Launches Rocket Lake 11th Gen Core i9, Core i7, and Core i5". AnandTech. Retrieved March 19, 2021.
10. ^ Cutress, Ian (March 5, 2021). "Intel Core i7-11700K Review: Blasting Off with Rocket Lake". AnandTech. Retrieved March 6, 2021.
11. ^ "11th Generation Intel Core Processor Datasheet". Intel. 2021. Retrieved January 15, 2022.
12. ^ "Intel Core i9-11900K Processor". Intel. Retrieved December 2, 2022.
13. ^ ""Add rocketlake to gcc" commit". gcc.gnu.org.
14. ^ Smith, Ryan (August 13, 2020). "The Intel Xe-LP GPU Architecture Deep Dive: Building Up The Next Generation". AnandTech. Retrieved December 2, 2020.
15. ^ ^{a b} "Intel® Processor Graphics Xᵉ-LP API Developer and Optimization Guide". Intel.
16. ^ "intel/media-driver". GitHub. November 3, 2021.
17. ^ "[Decode] This enables HW AV1 decode acceleration on Gen12 · intel/media-driver@9491998". GitHub. Retrieved July 29, 2020.
18. ^ "Release Intel Media Driver Q3'2020 Release · intel/media-driver". GitHub.
19. ^ "Download Intel Graphics - Windows 10 DCH Drivers". Intel. Retrieved September 30, 2020.
20. ^ "Sampler Feedback". GitHub. Retrieved September 30, 2020.
21. ^ "Coming to DirectX 12— Sampler Feedback: some useful once-hidden data, unlocked". DirectX Developer Blog. November 4, 2019. Retrieved September 30, 2020.
22. ^ "DirectX12 Sampler Feedback". Intel.
23. ^ "Variable Rate Shading". Intel. Retrieved December 2, 2022.
24. ^ "Variable Rate Shading". GitHub.
25. ^ "Integer Scaling Support on Intel Graphics". Intel. Retrieved December 2, 2020.
26. ^ "Exclusive: Intel Rocket Lake-S features PCI-Express 4.0, Xe Graphics". VideoCardz. Retrieved September 2, 2020.
27. ^ "Intel JHL8540 Thunderbolt 4 Controller Product Specifications". ark.intel.com.
28. ^ S, Ganesh T. "Intel's Maple Ridge (JHL8540) Thunderbolt 4 Controller Now Shipping". AnandTech. Retrieved February 10, 2023.
29. ^ Cutress, Ian. "Intel Launches Rocket Lake 11th Gen Core i9, Core i7, and Core i5". AnandTech. Retrieved March 17, 2021.
30. ^ "What You Need to Know About Upgrading to an 11th Gen 'Rocket Lake' CPU". NDTV Gadgets 360. March 29, 2021. Retrieved March 30, 2021.
31. ^ "Thermal Velocity Boost (TVB) - Intel". WikiChip. Retrieved March 19, 2021.
32. ^ Cutress, Ian (March 19, 2021). "Intel's New Adaptive Boost Technology: Floating Turbo Comes to Rocket Lake". AnandTech. Retrieved March 19, 2021.

• Intel 11th-generation Rocket Lake-S CPU spotted on Geekbench
• Intel’s Rocket Lake CPUs With Major New Architecture Will Boost To 5.0 GHz
• Intel Rocket Lake-S release date, specs and rumours
• Rocket Lake - Microarchitectures - Intel

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