Core i3-9300

Details and Benchmarks for Intel Core i3-9300

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 i3-9300 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

5,358 Rank: 581
Rank Name Score Visual
577 Core i3-7320 5,366
+0.1%
578 Xeon Gold 6240 5,365
+0.1%
579 Xeon E3-1241 v3 5,365
+0.1%
580 Ryzen 5 PRO 1500 5,362
+0.1%
581 Core i3-9300 5,358
582 Xeon Gold 5120T 5,355
-0.1%
583 Xeon E3-1275 v5 5,350
-0.1%
584 Core i5-7500 5,349
-0.2%
585 Xeon E5-2687W v4 5,346
-0.2%
586 Core i5-10400 5,345
-0.2%

View full ranking →

Multicore Score

Multicore performance score for Core i3-9300 based on multi-threaded benchmark results.

4,851 Rank: 785
Rank Name Score Visual
781 Ryzen 5 2600H 4,854
+0.1%
782 Xeon E-2314 4,854
+0.1%
783 Core i5-7440EQ 4,852
+0%
784 Pentium Gold G7400 4,852
+0%
785 Core i3-9300 4,851
786 Xeon E3-1240 v5 4,851
+0%
787 Xeon E-2104G 4,851
+0%
788 Core i7-4930MX 4,851
+0%
789 Core i7-4770 4,849
+-0%
790 Core i7-4850HQ 4,849
+-0%

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Singlecore Score

Single-core performance score for Core i3-9300 based on single-threaded benchmark results.

5,696 Rank: 423
Rank Name Score Visual
419 Core i5-8400 5,701
+0.1%
420 Core i5-8279U 5,700
+0.1%
421 Core i7-7567U 5,699
+0.1%
422 Ryzen 5 4600G 5,697
+0%
423 Core i3-9300 5,696
424 Xeon Silver 4410Y 5,696
+0%
425 Core i7-9700E 5,695
+-0%
426 Xeon W-3225 5,693
-0.1%
427 Xeon Gold 6144 5,692
-0.1%
428 Xeon E3-1230 v6 5,689
-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 i3-9300 based on integer math, floating point math, and prime number computation benchmarks.

4,706 Rank: 653
Rank Name Score Visual
649 Xeon E3-1240 v5 4,707
+0%
650 Xeon W3680 4,707
+0%
651 Core i7-4870HQ 4,707
+0%
652 Core i5-1038NG7 4,707
+0%
653 Core i3-9300 4,706
654 Xeon E-2224 4,706
+0%
655 Core i7-4960HQ 4,706
+0%
656 Core i5-10200H 4,706
+0%
657 Xeon E5-2609 v4 4,705
+-0%
658 Xeon X5690 4,705
+-0%

View full ranking →

Data Processing

Aggregated score for Core i3-9300 based on data encryption, data compression, and string sorting benchmarks.

4,656 Rank: 778
Rank Name Score Visual
774 Xeon E-2224 4,657
+0%
775 Core i7-4910MQ 4,657
+0%
776 Core i7-3920XM 4,657
+0%
777 Core i7-2600 4,657
+0%
778 Core i3-9300 4,656
779 Core i7-6700HQ 4,656
+0%
780 Xeon E3-1240 4,656
+0%
781 Core i7-3740QM 4,656
+0%
782 Core i7-4980HQ 4,656
+0%
783 Xeon E3-1245 4,656
+0%

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Physics & Compute

Aggregated score for Core i3-9300 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,773 Rank: 615
Rank Name Score Visual
611 Xeon E-2124 4,776
+0.1%
612 Core i7-4870HQ 4,775
+0%
613 Ryzen 3 5425U 4,775
+0%
614 Core i5-8279U 4,774
+0%
615 Core i3-9300 4,773
616 Xeon E5-2637 v4 4,773
+0%
617 Xeon D-1541 4,773
+0%
618 Xeon E5-2470 v2 4,773
+0%
619 Core i7-4960HQ 4,772
+-0%
620 Xeon E3-1240 v5 4,771
+-0%

View full ranking →

Core i3-9300 Details

Ranking #581 of 2060 in overall performance, the Intel Core i3-9300 offers a modest yet capable entry into the modern desktop processor landscape. Launched in April 2019 as part of Intel's Coffee Lake Refresh lineup, this processor is now approaching four years of age, placing it firmly in the older generation of consumer CPUs. Despite its age, the i3-9300 remains relevant for basic computing, office tasks, and light multimedia work, thanks to its 4-core, 4-thread design and integrated UHD Graphics 630. As of March 2026, it competes in a market dominated by significantly more powerful chips, but its value lies in its efficiency and compatibility with mainstream platforms.

The Core i3-9300 is built on Intel’s 14 nm process and uses the Coffee Lake microarchitecture, a refined version of the previous generation. It operates at a base frequency of 3.7 GHz and can boost up to 4.3 GHz under load, though this depends on system conditions and thermal headroom. With a TDP of 62 W, the processor maintains a balanced power profile, making it suitable for systems with standard cooling solutions. It features 8 MB of L3 cache, 1 MB of L2 cache, and a 0.25 MiB L1 cache split into 0.125 MiB for instruction and data, supporting efficient data access and reducing latency.

Memory support includes dual-channel DDR4-2400, with a maximum capacity of 64 GB. The CPU supports ECC memory, a rare feature for mainstream processors, which makes it attractive for small-scale server or workstation environments where data integrity is crucial. The integrated UHD Graphics 630 GPU runs at 350 MHz with a boost up to 1.15 GHz, capable of driving up to three displays simultaneously and handling 1080p video playback and light gaming. However, its performance is limited compared to discrete GPUs, restricting its use in demanding graphics applications.

In terms of supported features, the i3-9300 includes a wide range of modern Intel technologies such as AVX, AVX2, AES-NI, and Intel VT-x for virtualization, ensuring compatibility with a broad array of software. It also supports Intel’s Turbo Boost 2.0 and Enhanced SpeedStep, allowing dynamic frequency scaling based on workload and power constraints. Despite having a locked multiplier, it remains stable under overclocking with appropriate cooling and motherboard support.

Benchmark results show the Core i3-9300 scoring 5358 overall, 5696 in single-core, and 4851 in multicore performance. In single-core tests, it ranks #423, placing it behind many modern mid-tier and high-end CPUs but ahead of older and low-power processors. Its multicore performance ranks #785, indicating that while it can handle multithreaded workloads, it is outpaced by more recent quad-core and higher configurations. The processor is competitive with CPUs like the Pentium Gold G7400 and Core i7-6700T, but falls behind Ryzen 5 4600G and Core i7-1065G7.

In conclusion, the Intel Core i3-9300 is best suited for budget-conscious users or those upgrading older systems who need reliable performance for everyday computing. While it lacks the power of current-generation processors, its 62 W TDP, ECC support, and integrated graphics make it a practical choice for basic productivity, media consumption, and light multitasking. For users seeking high performance or future-proofing, more recent models would be a better investment.
Frequently Compared

AMD Ryzen 5 PRO 3500U 4 views

AMD Ryzen 9 PRO 3900 3 views

Intel Core i7-9800X 2 views

AMD Ryzen 3 PRO 2200GE 1 view

AMD Ryzen Threadripper 3970X 1 view

Intel Core i3-9300

Main Specifications

Designer: Intel
Name: Core i3-9300
Family: Core
Series: i3-9000
Model Number: i3-9300
Cores: 4
Threads: 4
Base Frequency: 3700 MHz
Turbo Frequency (1 core): 4300 MHz
Clock Multiplier: 37x (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: 62 W
Release Price: $143.00

Cache Specifications

L1 Cache: 256 KiB
L1 Instruction Cache: 128 KiB (8-way set associative)
L1 Data Cache: 128 KiB (8-way set associative)
L2 Cache: 1 MiB (4-way set associative)
L3 Cache: 8 MiB (16-way set associative)

Memory Specifications

Supported Memory Type: DDR4-2400
Memory Channels: 2
Maximum Memory: 64 GB
Maximum Bandwidth: 35.76 GB/s
ECC Support: Yes

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: 1150 MHz
Execution Units: 24

Physical Specifications

Process: 14 nm
Die Area: 126 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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