{"data":{"slug":"intel-core-ultra-x9-388h","type":"cpu","brand":"Intel","name":"Core Ultra X9 388H","aliases":["388H","Ultra X9 388H","X9 388H","Core Ultra X9 processor 388H","Intel Core Ultra X9 388H Panther Lake"],"release_date":"2026-01","url":"https://arkivo.dev/cpus/intel-core-ultra-x9-388h","specs":{"series":"Core Ultra Series 3","model_numbers":["QQ807293B9B40E3","QQ807293B9B4585"],"gtins":null,"announce_date":"2026-01-05","status":"available","predecessor":null,"successor":null,"launch_price_usd":null,"launch_price_eur":null,"markets":null,"colors":null,"manufacturer_url":"https://www.intel.com/content/www/us/en/products/sku/245526/intel-core-ultra-x9-processor-388h-18m-cache-up-to-5-10-ghz/specifications.html","spec_sheet_url":"https://cdrdv2-public.intel.com/871380/Intel%20Core%20Ultra%20Series%203%20Processors%20-%20Quick%20Reference%20Guide%20v1.pdf","manual_url":null,"eprel_registration_number":null,"warranty_years":null,"segment":"laptop","instruction_set":"x86_64","cpu_codename":"Panther Lake","process_node_name":"Intel 18A","process_node_nm":1.8,"avx512_support":false,"cpu_clusters":[{"core_type":"performance","count":4,"core_name":"Cougar Cove","base_ghz":2.1,"max_ghz":5.1},{"core_type":"efficiency","count":8,"core_name":"Darkmont","base_ghz":1.6,"max_ghz":3.8},{"core_type":"low_power_efficiency","count":4,"core_name":"Darkmont","base_ghz":1.6,"max_ghz":3.7}],"cpu_core_count":16,"cpu_performance_core_count":4,"cpu_efficiency_core_count":12,"cpu_thread_count":16,"max_boost_clock_ghz":5.1,"cpu_unlocked":null,"cpu_cache_l2_mb":null,"cpu_cache_l3_mb":18,"has_3d_vcache":false,"cpu_base_power_w":25,"max_turbo_power_w":80,"configurable_tdp_w":{"min_w":15,"max_w":null},"tjmax_c":100,"memory_support":[{"ram_type":"lpddr5x","module_type":null,"config":null,"max_mts":9600}],"memory_speed_max_mts":9600,"memory_channels":2,"memory_bandwidth_gbs":null,"ram_max_gb":96,"ram_ecc":null,"cpu_socket":"BGA2540","compatible_chipsets":null,"cpu_pcie_lanes":[{"pcie_gen":5,"lanes":4},{"pcie_gen":4,"lanes":8}],"pcie_lane_count":12,"pcie_gen_max":5,"native_usb_ports":[{"standard":"thunderbolt_4","count":4}],"has_native_usb4":true,"has_integrated_gpu":true,"integrated_gpu":"Intel Arc B390","igpu_core_count":12,"igpu_max_clock_mhz":2500,"igpu_max_displays":4,"igpu_displayport_version":"2.1 UHBR20","igpu_hdmi_version":"2.1 FRL","igpu_video_encode":["h264","h265","av1"],"igpu_video_decode":["h264","h265","av1","h266"],"npu_tops":50,"platform_tops":null,"benchmark_cinebench_2024_single":null,"benchmark_cinebench_2024_multi":null,"benchmark_cinebench_2026_single":null,"benchmark_cinebench_2026_multi":null,"benchmark_geekbench_6_single":3036,"benchmark_geekbench_6_multi":17800,"game_fps_measured":null,"measured_cpu_sustained_power_w":null,"measured_cpu_gaming_power_w":null,"measured_cpu_idle_power_w":null,"measured_cpu_stress_temp_c":null,"measured_cpu_stress_clock_ghz":2.86,"cooler_included":null,"included_cooler_model":null},"variants":[{"model_number":"QQ807293B9B40E3"},{"model_number":"QQ807293B9B4585"}],"sources":[{"url":"https://www.intel.com/content/www/us/en/products/sku/245526/intel-core-ultra-x9-processor-388h-18m-cache-up-to-5-10-ghz/specifications.html","kind":"manufacturer_page","accessed":"2026-10-15","fields":["manufacturer_url","status","segment","instruction_set","cpu_codename","process_node_name","process_node_nm","avx512_support","cpu_clusters","cpu_thread_count","max_boost_clock_ghz","cpu_cache_l3_mb","has_3d_vcache","cpu_base_power_w","max_turbo_power_w","configurable_tdp_w","tjmax_c","memory_support","memory_channels","ram_max_gb","cpu_socket","cpu_pcie_lanes","native_usb_ports","has_integrated_gpu","integrated_gpu","igpu_core_count","igpu_max_clock_mhz","igpu_max_displays","igpu_displayport_version","igpu_hdmi_version","igpu_video_encode","igpu_video_decode","npu_tops"],"notes":{"status":"Marketing Status: Launched. Launch Date: Q1'26. Product Collection: Intel Core Ultra Series 3 processors. Vertical Segment: Mobile.","segment":"Vertical Segment row reads Mobile.","instruction_set":"Instruction Set: 64-bit, with Intel 64 listed as Yes. Intel's 64-bit processors are x86-64.","cpu_codename":"Code Name row reads Products formerly Panther Lake.","process_node_name":"CPU Lithography row: Intel 18A. The GPU tile lithography row reads TSMC N3E.","process_node_nm":"Intel 18A is stored as 1.8 nm by the field rule. Intel prints no nm figure.","avx512_support":"Instruction Set Extensions lists Intel SSE4.1, SSE4.2 and AVX2 only.","cpu_clusters":"# of Performance-cores 4 with base 2.1 GHz and Max Turbo 5.1 GHz. # of Efficient-cores 8 with base 1.6 GHz and Max Turbo 3.8 GHz. # of Low Power Efficient-cores 4 with base 1.6 GHz and Max Turbo 3.7 GHz. Total cores 16. ARK does not name the core architectures. Cougar Cove and Darkmont come from the Chips and Cheese and Igor's Lab Panther Lake architecture articles.","cpu_thread_count":"Total Threads 16. There are no multi-threaded cores in this layout: 16 cores and 16 threads.","max_boost_clock_ghz":"Max Turbo Frequency 5.1 GHz, the same as the Performance-core Max Turbo Frequency and the Turbo Boost Max Technology 3.0 Frequency.","cpu_cache_l3_mb":"18 MB Intel Smart Cache. The Total L2 Cache row is not on ARK.","has_3d_vcache":"AMD technology. ARK lists only the 18 MB Smart Cache and no stacked cache.","cpu_base_power_w":"Processor Base Power 25 W.","max_turbo_power_w":"Maximum Turbo Power 80 W with no footnote on ARK. Intel's launch SKU slide and the Quick Reference Guide print two values for this chip, 65 W and 80 W, which means the limit depends on the laptop maker's configuration. The ARK value is stored.","configurable_tdp_w":"Minimum Assured Power 15 W. ARK has no Maximum Assured Power row, so max_w is left out.","tjmax_c":"Max Operating Temperature 100 C, listed under Package Specifications.","memory_support":"Memory Types row: Up to LPDDR5X 9600 MT/s. ARK lists no DDR5 and names no module type, rank or configuration, so those keys are left out.","memory_channels":"Max # of Memory Channels: 2.","ram_max_gb":"Max Memory Size (dependent on memory type): 96 GB.","cpu_socket":"Sockets Supported: FCBGA2540. Stored without the FC prefix.","cpu_pcie_lanes":"PCI Express Revision 5.0 and 4.0. Max # of PCI Express Lanes 12. PCI Express Configurations: x4 PCIe5 (1x4, 2x2) and two rows of x4 PCIe4 (1x4, 2x2, 4x1). That gives 4 lanes at Gen 5 and 8 lanes at Gen 4, which adds up to the stated 12. The Quick Reference Guide gives the same split, 12 (8 G4, 4 G5). The Core Ultra 9 386H has 20 lanes with an extra 8 Gen 5 lanes.","native_usb_ports":"Intel Thunderbolt 4: Yes. ARK gives no port count. The count of 4 comes from the Quick Reference Guide.","integrated_gpu":"GPU Name: Intel Arc B390 GPU. Intel also sells an Arc Pro B390 name for vPro systems.","igpu_core_count":"Xe-cores: 12. Ray Tracing: Yes.","igpu_max_clock_mhz":"Graphics Max Dynamic Frequency 2.5 GHz.","igpu_max_displays":"# of Displays Supported: 4. Max Resolution (DP) 7680 x 4320 at 60 Hz and eDP 3840 x 2400 at 120 Hz.","igpu_displayport_version":"Graphics Output: eDP 1.5, DP 2.1 UHBR20, HDMI 2.1 FRL.","igpu_hdmi_version":"Graphics Output: eDP 1.5, DP 2.1 UHBR20, HDMI 2.1 FRL.","igpu_video_encode":"H.264 and H.265 (HEVC) hardware encode and decode and AV1 encode and decode are listed. H.266 is decode only.","igpu_video_decode":"H.264, H.265 (HEVC), AV1 and H.266 (decode only) are listed for hardware decode. ARK has no VP9 row, so VP9 is left out.","npu_tops":"NPU Peak TOPS (Int8): 50. ARK lists GPU Peak TOPS (Int8) 122 but has no Overall Peak TOPS row, so platform_tops is left out."}},{"url":"https://www.intel.com/content/www/us/en/products/sku/245526/intel-core-ultra-x9-processor-388h-18m-cache-up-to-5-10-ghz/ordering.html","kind":"manufacturer_page","accessed":"2026-10-15","fields":["model_numbers","variants"],"notes":{"model_numbers":"Ordering codes QQ807293B9B40E3 (spec code Q9EK) and QQ807293B9B4585 (spec code SA4QW), both Tray, stepping B0, package FCBGA20X. ARK lists no boxed product.","variants":"The two tray ordering codes from the ordering table. They differ only in spec code, so the rows hold no other field."}},{"url":"https://cdrdv2-public.intel.com/871380/Intel%20Core%20Ultra%20Series%203%20Processors%20-%20Quick%20Reference%20Guide%20v1.pdf","kind":"manufacturer_pdf","accessed":"2026-10-15","fields":["spec_sheet_url","native_usb_ports","cpu_pcie_lanes","max_turbo_power_w"],"notes":{"spec_sheet_url":"Intel Core Ultra Series 3 Processors Quick Reference Guide v1, SKU table on page 3 with a row for the Core Ultra X9 388H.","native_usb_ports":"Page 3: a merged cell for the 388H, 386H, 368H and 366H rows reads 4 Integrated Thunderbolt 4 Ports, Discrete Thunderbolt 5 Technology Support. Only the 4 integrated Thunderbolt 4 ports are stored. Thunderbolt 5 needs a separate controller on the laptop board.","cpu_pcie_lanes":"Page 3: Total Platform PCIe Lanes, CPU PCIe Config for the 388H reads 12 (8 G4, 4 G5).","max_turbo_power_w":"Page 3 lists Maximum Turbo Power 65, 80 W with the Processor Base Power 25 W. The footnote says systems with a base power of 25 W and a turbo power of 64 W are supported, and systems with a base power of 45 W and a turbo power of 80 W. The ARK value of 80 W is stored."}},{"url":"https://www.intel.com/content/www/us/en/newsroom/news/artificial-intelligence/ces-2026-intel-core-ultra-series-3-debut-first-built-on-intel-18a.html","kind":"press_release","accessed":"2026-10-15","fields":["announce_date","release_date","series"],"notes":{"announce_date":"Intel release dated 5 January 2026 (CES, Las Vegas) introduces the Intel Core Ultra Series 3 processors. It does not name the 388H, and says the top SKUs have up to 16 CPU cores, 12 Xe-cores and 50 NPU TOPS.","release_date":"The same release says laptop pre-orders began on 6 January 2026 and systems were available globally from 27 January 2026. Tom's Hardware and Club386 published their first reviews of a 388H laptop on 26 January 2026. ARK lists Launch Date Q1'26. Shipping dates for each laptop with this chip were not checked.","series":"Intel calls the family Intel Core Ultra Series 3. ARK's Product Collection reads Intel Core Ultra Series 3 processors."}},{"url":"https://old.chipsandcheese.com/2025/10/14/panther-lakes-reveal-at-itt-2025/","kind":"press","accessed":"2026-10-15","fields":["cpu_clusters","cpu_pcie_lanes"],"notes":{"cpu_clusters":"Chips and Cheese, 14 October 2025: the P-cores are codenamed Cougar Cove and the E-cores Darkmont. The largest Panther Lake configuration has 4 P-cores, 8 E-cores and 4 LP E-cores, with the 18 MB L3 shared by the P-cores and E-cores and the 12 Xe3 core GPU tile.","cpu_pcie_lanes":"The article says the largest configuration keeps the I/O configuration of the smallest one, which is 4 Gen 5 and 8 Gen 4 lanes for 12 lanes. The middle configuration, as in the Core Ultra 9 386H, adds 8 Gen 5 lanes."}},{"url":"https://www.igorslab.de/en/evolution-or-revolution-intel-panther-lake-including-architecture-efficiency-and-software-integration/","kind":"press","accessed":"2026-10-15","fields":["cpu_clusters"],"notes":{"cpu_clusters":"Igor's Lab names the compute tile cores as four Cougar Cove-P, eight Darkmont-E and four Darkmont-LP-E cores. The LP E-core row stores Darkmont from this source."}},{"url":"https://www.club386.com/intel-core-ultra-series-3-panther-lake-review/","kind":"review_site","accessed":"2026-10-15","fields":["benchmark_geekbench_6_single","benchmark_geekbench_6_multi"],"notes":{"benchmark_geekbench_6_single":"Club386 Core Ultra Series 3 review of the X9 388H, 26 January 2026. App performance table: Geekbench 6 single-core 3,036. Tested in an Asus Zenbook 14 Duo (UX8407) with 32 GB LPDDR5X-9600, Windows Performance power mode and the Asus fan mode set to Performance, which the review says were used for all performance figures. The Geekbench 6 minor version is not stated and the review does not mention Intel Binary Optimization.","benchmark_geekbench_6_multi":"Geekbench 6 multi-core 17,800 in the same table. The review text calls this 62.9 percent faster than the Core Ultra 9 288V at 10,926, which matches. Same test laptop and settings. Tom's Hardware measured 3,031 and 17,283 in the same laptop and is not used, since Club386 is the Geekbench 6 reviewer for this type."}},{"url":"https://www.tomshardware.com/laptops/gaming-laptops/asus-zenbook-duo-2026-review","kind":"measurement","accessed":"2026-10-15","fields":["measured_cpu_stress_clock_ghz"],"notes":{"measured_cpu_stress_clock_ghz":"Tom's Hardware review of the Asus Zenbook Duo (UX8407) with the Core Ultra X9 388H, 26 January 2026. During its ten-run Cinebench 2026 stress test the performance cores ran at an average of 2.86 GHz, the efficiency cores at 2.7 GHz and the low-power efficient cores at 2.45 GHz. The P-cores are the fastest group, so 2.86 GHz is stored. The review does not state the laptop's power mode, fan profile or room temperature. The ten runs scored 3,872 on the first run and in the mid 3,800s after run 5, so no single Cinebench result is stored."}}],"fields_filled":47,"updated":"2026-10-15"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}