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CPU

Intel

Intel Core Ultra X9 388H

Processor Released Jan 5, 2026

CPU cores: 16
CPU threads: 16^*
Maximum boost clock: 5.1 GHz^*

Rendering performance

Benchmark setupMedian score · higher is better

Three-scene Blender rendering throughput. Versions, operating systems and rendering backends remain separate. This is not a gaming score.

Blender 5.1.1 / Windows / CPU

Intel Core Ultra X9 388H 307.21 samples/min 4 complete runs · Middle 50%: 291.07 - 318.29 · 16 core / 16 thread · Latest: 2026-07-12

Community submissions; cooling, power limits and system configuration can affect results.

Recorded results

Only the same benchmark, version, workload, scenario and unit share a row. Missing results are not zero. System results include the full submitted hardware and software configuration.

Blender Cycles / classroomCPU / Windows · 5.1.1 · samples/min

Intel Core Ultra X9 388H

71.08 samples/min

4 submissions · median result

Latest submission: Jul 12, 2026

Rendering backend: CPU
Operating system: Windows
Statistic: Median
Evaluation type: community rendering submissions
CPU cores: 16
CPU threads: 16
CPU sockets: 1

Blender Cycles / Complete suiteCPU / Windows · 5.1.1 · samples/min

Intel Core Ultra X9 388H

307.21 samples/min

4 submissions · median result

Latest submission: Jul 12, 2026

Rendering backend: CPU
Operating system: Windows
Statistic: Median
Evaluation type: community rendering submissions
CPU cores: 16
CPU threads: 16
CPU sockets: 1
25th percentile: 291.06774138758
75th percentile: 318.29202774597

Blender Cycles / junkshopCPU / Windows · 5.1.1 · samples/min

Intel Core Ultra X9 388H

101.88 samples/min

4 submissions · median result

Latest submission: Jul 12, 2026

Rendering backend: CPU
Operating system: Windows
Statistic: Median
Evaluation type: community rendering submissions
CPU cores: 16
CPU threads: 16
CPU sockets: 1

Blender Cycles / monsterCPU / Windows · 5.1.1 · samples/min

Intel Core Ultra X9 388H

134.19 samples/min

4 submissions · median result

Latest submission: Jul 12, 2026

Rendering backend: CPU
Operating system: Windows
Statistic: Median
Evaluation type: community rendering submissions
CPU cores: 16
CPU threads: 16
CPU sockets: 1

Processing & platform

CPU cores: 16
Graphics: Intel® Arc™ B390 GPU^*
CPU threads: 16^*
Performance cores: 4
Efficiency cores: 8
Performance-core base frequency: 2.1 GHz^*
Efficiency-core base frequency: 1.6 GHz^*
Low-power core base frequency: 1.6 GHz^*
Performance-core maximum turbo: 5.1 GHz^*
Efficiency-core maximum turbo: 3.8 GHz^*
Low-power core maximum turbo: 3.7 GHz^*
Turbo Boost Max 3.0 frequency: 5.1 GHz^*
Integrated GPU maximum dynamic frequency: 2,500 MHz^*
Maximum boost clock: 5.1 GHz^*
L3 cache: 18 MB
L2 cache: 22 MB
Low-power efficiency cores: 4
Socket / package: FCBGA2540^*

Cache hierarchy

L1 / total
Level
L1
Scope
total
Size
2.2 MB
L2 / total
Level
L2
Scope
total
Size
22 MB
L3 / total
Level
L3
Scope
total
Size
18 MB
Reported cache^*
Size
18 MB^*
Level
Reported cache (level unstated)^*
Scope
Intel® Smart Cache^*

CPU core groups

Performance
Base frequency
2.1 GHz
Boost frequency
5.1 GHz
Cores
4
Efficiency
Base frequency
1.6 GHz
Boost frequency
3.8 GHz
Cores
8
Low-power efficiency
Base frequency
1.6 GHz
Boost frequency
3.7 GHz
Cores
4

Memory & storage

Memory channels: 2^*

Power specifications

Processor base power: 25 W
Maximum turbo power: 80 W

CPU power specifications

Minimum Assured Power^*
Power specification
Minimum Assured Power^*
Rated power
15 W^*

System configuration

Detailed specifications

Specifications · 95 fields

Intel® Speed Shift Technology

Yes^*

Intel® Volume Management Device (VMD)

Yes^*

Intel® Thread Director

Yes^*

Intel® Smart Sound Technology

Yes^*

Intel® Wake on Voice

Yes^*

Intel® High Definition Audio

Yes^*

Intel® Adaptix™ Technology

Yes^*

Total Cores

16^*

Intel® Secure Key

Yes^*

Intel® Total Memory Encryption - Multi Key

Yes^*

Intel® AES New Instructions

Yes^*

Intel® OS Guard

Yes^*

Intel® Trusted Execution Technology ‡

Yes^*

Execute Disable Bit ‡

Yes^*

Intel® Boot Guard

Yes^*

# of Performance-cores

4^*

Mode-based Execute Control (MBEC)

Yes^*

Intel® Virtualization Technology with Redirect Protection (VT-rp) ‡

Yes^*

Intel® Virtualization Technology (VT-x) ‡

Yes^*

Intel® Virtualization Technology for Directed I/O (VT-d) ‡

Yes^*

Intel® VT-x with Extended Page Tables (EPT) ‡

Yes^*

Intel® Control-Flow Enforcement Technology

Yes^*

Total Threads

16^*

Intel vPro® Eligibility ‡

Intel vPro® Platform^*

Intel® Threat Detection Technology (TDT)

Yes^*

Intel® Active Management Technology (AMT) ‡

Yes^*

Intel® Standard Manageability (ISM) ‡

Yes^*

Intel® Remote Platform Erase (RPE) ‡

Yes^*

Intel® One-Click Recovery ‡

Yes^*

Intel® Stable Image Platform Program (SIPP)

Yes^*

Max Turbo Frequency

5.1^* GHz

GPU Name ‡

Intel® Arc™ B390 GPU^*

Graphics Max Dynamic Frequency

2.5^* GHz

GPU Peak TOPS (Int8)

122^*

Graphics Output

eDP1.5 | DP 2.1 UHBR20 | HDMI 2.1 FRL^*

Xe-cores

12^*

Cache

18.0^* MB

Scope and conditions

source_native_row_context

Cache description: Intel® Smart Cache^*
Original declaration: 18 MB Intel® Smart Cache^*

Max Resolution (DP)‡

7680 x 4320 @ 60Hz^*

Max Resolution (eDP - Integrated Flat Panel)‡

3840 x 2400 @ 120Hz^*

DirectX* Support

DirectX 12 Ultimate^*

OpenGL* Support

4.6^*

OpenCL* Support

3.0^*

H.264 Hardware Encode/Decode

Yes^*

H.265 (HEVC) Hardware Encode/Decode

Yes^*

AV1 Hardware Encode/Decode

Yes^*

Intel® Quick Sync Video

Yes^*

# of Displays Supported ‡

4^*

Device ID

0xB080 0xB082 | 0xB084 | 0xB086^*

Intel® Deep Learning Boost (Intel® DL Boost) on GPU

Yes^*

AI Software Frameworks Supported by GPU

Ray Tracing

Yes^*

H.266 (VVC) Hardware Encode/Decode

Decode Only^*

GPU Lithography

TSMC N3E^*

NPU Peak TOPS (Int8)

50^*

Sparsity Support

Yes^*

Windows Studio Effects Support

Yes^*

AI Software Frameworks Supported by NPU

OpenVINO™ | WindowsML | WebNN | ONNX RT^*

Intel® Deep Learning Boost (Intel® DL Boost) on CPU

Yes^*

# of Efficiency-cores

8^*

# of Low Power Efficient-cores

4^*

Single P-core Turbo Frequency

5.1^* GHz

Single E-core Turbo Frequency

3.8^* GHz

P-core Base Frequency

2.1^* GHz

E-core Base Frequency

1.6^* GHz

Processor Base Power

25^* W

Maximum Turbo Power

80^* W

AI Software Frameworks Supported by CPU

OpenVINO™ | WindowsML | DirectML | ONNX RT | WebNN^*

CPU Lithography

Intel 18A^*

Intel® Turbo Boost Max Technology 3.0 Frequency ‡

5.1^* GHz

Low Power Efficient-core Max Turbo Frequency

3.7^* GHz

Low Power Efficient-core Base Frequency

1.6^* GHz

Minimum Assured Power

15^* W

Marketing Status

Launched^*

Launch Date

Q1'26^*

Product Collection

Intel® Core™ Ultra Series 3 processors^*

Embedded Options Available

Yes^*

Product Tuning (Embedded Uses)

Yes^*

Description

Intel® Core™ Ultra Series 3 processors are suitable for use in select desktop form factors^*

Max Memory Size (dependent on memory type)

96^* GB

Vertical Segment

Mobile^*

Max # of Memory Channels

2^*

PCI Express Revision

5.0 and 4.0^*

Processor Number

388H^*

Max # of PCI Express Lanes

12^*

Intel® Thunderbolt™ 4

Yes^*

Sockets Supported

FCBGA2540^*

Package Size

50mm x 25mm^*

Operating Temperature (Maximum)

100^* °C

Intel® Turbo Boost Max Technology 3.0 ‡

Yes^*

Intel® Turbo Boost Technology ‡

2.0^*

Intel® 64 ‡

Yes^*

Instruction Set

64-bit^*

Instruction Set Extensions

Intel® SSE4.1 | Intel® SSE4.2 | Intel® AVX2^*

Enhanced Intel SpeedStep® Technology

Yes^*

Thermal Monitoring Technologies

Yes^*

* Provisional data