Core i5-9400

Details and Benchmarks for Intel Core i5-9400

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Core i5-9400 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

5,237 Rank: 672
Rank Name Score Visual
668 Xeon E5-2640 v4 5,240
+0.1%
669 Xeon Gold 5222 5,239
+0%
670 Xeon E3-1285 v4 5,239
+0%
671 Xeon Gold 5117 5,238
+0%
672 Core i5-9400 5,237
673 Ryzen 3 PRO 3200GE 5,236
+-0%
674 Xeon E3-1230 V5 5,236
+-0%
675 Xeon E5-2667 v4 5,235
+-0%
676 Core i5-4690 5,234
-0.1%
677 Core i7-4960X 5,233
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Core i5-9400 based on multi-threaded benchmark results.

4,884 Rank: 747
Rank Name Score Visual
743 Xeon E5-2650L v2 4,887
+0.1%
744 Core i7-6820HK 4,886
+0%
745 Xeon E3-1230 V2 4,886
+0%
746 Xeon E3-1276 v3 4,885
+0%
747 Core i5-9400 4,884
748 Core i5-10200H 4,884
+0%
749 Xeon Silver 4210 4,883
+-0%
750 Core i3-7100 4,882
+-0%
751 Ryzen 5 1500X 4,882
+-0%
752 Core i7-3770K 4,881
-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Core i5-9400 based on single-threaded benchmark results.

5,473 Rank: 572
Rank Name Score Visual
568 Xeon E5-2637 v4 5,478
+0.1%
569 EPYC 7742 5,476
+0.1%
570 Ryzen 7 1700 5,475
+0%
571 Core i7-9850H 5,473
+0%
572 Core i5-9400 5,473
573 Core i5-4690 5,473
+0%
574 Xeon E3-1220 v5 5,472
+-0%
575 Core i7-7660U 5,471
+-0%
576 Core i7-5960X 5,470
-0.1%
577 Core i3-8109U 5,469
-0.1%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Core i5-9400 based on integer math, floating point math, and prime number computation benchmarks.

4,764 Rank: 566
Rank Name Score Visual
562 Xeon E5-2670 4,768
+0.1%
563 Core i5-9400F 4,767
+0.1%
564 Xeon Gold 5222 4,766
+0%
565 Xeon W-2125 4,765
+0%
566 Core i5-9400 4,764
567 Core i5-8500 4,764
+0%
568 Xeon E3-1285L v4 4,764
+0%
569 Core i5-10400T 4,763
+-0%
570 Core i5-1145G7E 4,761
-0.1%
571 Core i5-8400 4,760
-0.1%

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Data Processing

Aggregated score for Core i5-9400 based on data encryption, data compression, and string sorting benchmarks.

4,757 Rank: 599
Rank Name Score Visual
595 Core i5-8500 4,760
+0.1%
596 Xeon Silver 4108 4,759
+0%
597 Xeon E5-2640 v2 4,759
+0%
598 Core i5-9400F 4,757
+0%
599 Core i5-9400 4,757
600 Xeon E3-1275 v6 4,753
-0.1%
601 Core i5-8600T 4,753
-0.1%
602 Xeon E3-1286 v3 4,753
-0.1%
603 Core i7-10710U 4,751
-0.1%
604 Xeon W3690 4,751
-0.1%

View full ranking →

Physics & Compute

Aggregated score for Core i5-9400 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,871 Rank: 498
Rank Name Score Visual
494 Core Ultra 5 134U 4,875
+0.1%
495 Xeon D-1577 4,873
+0%
496 Core i5-8400 4,872
+0%
497 Core i7-5820K 4,872
+0%
498 Core i5-9400 4,871
499 Ryzen 7 PRO 2700X 4,871
+0%
500 Core i7-10850H 4,869
+-0%
501 Xeon E5-2630L v4 4,868
-0.1%
502 Core i5-8500 4,868
-0.1%
503 Xeon E5-2630 v3 4,868
-0.1%

View full ranking →

Core i5-9400 Details

The Intel Core i5-9400 represents a refined evolution of the Coffee Lake architecture, offering a balanced blend of performance and efficiency for mainstream desktop users. Launched in October 2018, this processor is now over five years old, placing it firmly in the older generation of Intel's desktop lineup. While newer architectures have since emerged, the i5-9400 remains a viable option for general computing, light content creation, and even casual gaming, particularly in systems where integrated graphics are sufficient.

Built on Intel's 14 nm process, the Core i5-9400 features a 6-core, 6-thread design, with a base frequency of 2.9 GHz and a maximum turbo frequency of 4.1 GHz. This unlocked turbo boost, enabled by Intel's Turbo Boost 2.0 technology, allows the processor to dynamically scale performance based on workload and thermal conditions. The chip is manufactured on the FCLGA-1151 socket, which supports the Cannon Point chipset, ensuring compatibility with a wide range of 2018-era motherboards. Its 65 W TDP makes it energy-efficient for a mainstream CPU, providing a good balance between power consumption and performance.

Memory support includes dual-channel DDR4-2666, with a maximum capacity of 64 GB and a memory bandwidth of up to 39.74 GB/s. The processor also features a robust cache hierarchy, including 0.188 MiB of L1 cache (split between instruction and data), 1.5 MiB of L2 cache, and a substantial 9 MiB L3 cache. This cache structure enhances data access speed and contributes to the processor’s strong single-threaded performance. The i5-9400 supports a range of advanced instruction sets, including AVX2, AES-NI, and Intel's VT-x and VT-d virtualization technologies, making it suitable for virtualization and security-sensitive applications.

One of the most notable aspects of the Core i5-9400 is its integrated UHD Graphics 630 GPU, which offers 24 execution units and a base frequency of 350 MHz, capable of boosting up to 1.05 GHz. While not designed for high-end gaming, this integrated solution supports up to three displays and provides adequate performance for office tasks, media playback, and basic graphical applications. The processor’s overall performance is reflected in its benchmark results, where it achieves an Overall Score of 5237, placing it at #672 out of 2060 CPUs. Its Singlecore Score of 5473 ranks it at #571, indicating strong single-threaded performance, while its Multicore Score of 4884 places it at #747, showing solid multi-core capabilities.

In comparison to its contemporaries, the i5-9400 holds its own against mid-tier processors from both Intel and AMD, though it trails behind modern offerings. It outperforms older models like the Core i5-4690 and the Ryzen 5 1500X but falls behind newer CPUs such as the Core i5-1145G7 and Ryzen 5 5600. As of March 2026, the Core i5-9400 remains a practical choice for budget builds, office workstations, and light multimedia tasks, though users seeking higher performance or modern features may want to consider more recent processors.

In summary, the Core i5-9400 is a reliable, energy-efficient CPU that delivers consistent performance for everyday computing. While it no longer competes with the latest high-end processors, its strong single-core performance, integrated graphics, and broad feature set make it a worthwhile option for users upgrading older systems or building cost-effective desktops. Its position in the benchmark rankings reflects its role as a capable mainstream processor from a bygone era of Intel's desktop lineup.
Frequently Compared

AMD Ryzen Threadripper 3970X 28 views

AMD Ryzen 5 PRO 3500U 23 views

AMD Ryzen 9 PRO 3900 22 views

AMD Ryzen 3 PRO 2200GE 19 views

Intel Core i7-8559U 18 views

Intel Xeon W-3245 17 views

Intel Core i7-9850H 17 views

Intel Xeon Silver 4116T 17 views

Intel Xeon Silver 4109T 16 views

AMD Ryzen Embedded R1505G 16 views

Intel Core i5-9400

Main Specifications

Designer: Intel
Name: Core i5-9400
Family: Core
Series: i5-9000
Model Number: i5-9400
Cores: 6
Threads: 6
Base Frequency: 2900 MHz
Turbo Frequency (1 core): 4100 MHz
Turbo Frequency (2 cores): 4000 MHz
Turbo Frequency (3 cores): 4000 MHz
Turbo Frequency (4 cores): 4000 MHz
Clock Multiplier: 29x (locked)
Microarchitecture: Coffee Lake
Core Name: Coffee Lake R
Core Family: 6
Core Model: 158
Socket: LGA-1151
Package: FCLGA-1151
Chipset: Cannon
Target Segment: Desktop
Max CPUs: 1
TDP: 65 W
Release Price: $182.00

Cache Specifications

L1 Cache: 384 KiB
L1 Instruction Cache: 192.512 KiB (8-way set associative)
L1 Data Cache: 192.512 KiB (8-way set associative)
L2 Cache: 1.5 MiB (4-way set associative)
L3 Cache: 9 MiB (12-way set associative)

Memory Specifications

Supported Memory Type: DDR4-2666
Memory Channels: 2
Maximum Memory: 64 GB
Maximum Bandwidth: 39.74 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 3.0
PCIe Lanes: 16
PCIe Configuration: 1x16, 2x8, 1x8+2x4

Integrated Graphics

GPU: UHD Graphics 630
GPU Designer: Intel
GPU Max Frequency: 1050 MHz
Execution Units: 24

Physical Specifications

Process: 14 nm
Die Area: 149 mm²
Manufacturer: Intel
Technology: CMOS
Word Size: 64-bit
ISA: x86-64 (x86)

CPU Features

MMX EMMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 ABM BMI1 BMI2 FMA3 AES RdRand ADX CLMUL F16C x86-16 x86-32 x86-64 Real Protected SMM FPU NX HT TBT 2.0 EIST SST TXT vPro VT-x VT-d EPT MPX SGX Secure Key SMEP IPT AVX-512 AVX512F AVX512CD AVX512BW AVX512DQ AVX512VL TSX VMD NM KPT PTT MBE Ctrl Run Sure Node Ctrlr
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