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Intel Celeron G1820 vs Intel Core 2 Quad Q9300

Last updated: 2026-06-06

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 1 - 100 %

Intel Celeron G1820

Rank 2 - 65 %

Intel Core 2 Quad Q9300

Multi-core performance

Rank 2 - 72 %

Intel Celeron G1820

Rank 1 - 100 %

Intel Core 2 Quad Q9300

Geekbench 5, 64bit Single-Core
Single-core performance

2C / 2T · 2.70 GHz

541

4C / 4T · 2.50 GHz

352

Geekbench 5, 64bit Multi-Core
Multi-core performance

2C / 2T · 2.70 GHz

1,069

4C / 4T · 2.50 GHz

1,093

CPU-Z Benchmark 17 Multi-Core
Multi-core performance

2C / 2T · 2.70 GHz

560

4C / 4T · 2.50 GHz

855

More benchmarks

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Cinebench R20 (SC)
666 entries

Geekbench 5 (SC)
2,512 entries

Cinebench R20 (MC)
615 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

PassMark CPU-Mark
2,504 entries

CPU-Z Benchmark 17 (MC)
751 entries

Cinebench R15 (SC)
1,113 entries

Cinebench R15 (MC)
1,110 entries

Geekbench 3 (SC)
945 entries

Geekbench 3 (MC)
941 entries

Cinebench R11.5 (SC)
826 entries

Cinebench R11.5 (MC)
837 entries

Cinebench R11.5 iGPU
383 entries

Specifications

At a glance

Wischen	Intel Celeron G1820	Intel Core 2 Quad Q9300
Family	Intel Celeron (165)	Intel Core2 Quad (19)
CPU group	Intel Celeron G1000 (12)	Intel Core 2 Quad Q8000/Q9000 (16)
Architecture	Ivy Bridge S	Yorkfield (Penryn)
Technology	22 nm	45 nm
Segment	Desktop	Desktop
Socket	LGA 1150	LGA 775
Predecessor
Successor

CPU Cores and Base Frequency

Wischen	Intel Celeron G1820	Intel Core 2 Quad Q9300
CPU Cores / Threads	2 / 2	4 / 4
Hyperthreading / SMT	✗	✗
Core architecture	normal	normal
Cores:	2x	4x
Frequency:	2.70 GHz	2.50 GHz
Turbo (1 Core):
Turbo (All Cores):
L2-Cache		6.00 MB
L3-Cache	2.00 MB
Overclocking	✗	✗

Integrated graphics (iGPU)

Wischen	Intel Celeron G1820	Intel Core 2 Quad Q9300
GPU name	Intel HD Graphics (Haswell GT1)	no iGPU
GPU frequency	0.35 - 1.05 GHz
CUs / Shader	10 / 80	/
Raytracing	✗	✗
Max. displays	3
Max. GPU Memory	2 GB
Technology	22 nm
Release date	Q4/2012

NPU AI performance

Wischen	Intel Celeron G1820	Intel Core 2 Quad Q9300
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Celeron G1820	Intel Core 2 Quad Q9300
Memory	DDR3-1333 (21.3 GB/s)	DDR3-1066 (17.1 GB/s) DDR2-800 (12.8 GB/s)
Max. Memory	32 GB	16 GB
Memory channels	2	2
ECC	Yes	No
PCIe	3.0 x 16
PCIe Bandwidth	15.8 GB/s

Thermal Management

Wischen	Intel Celeron G1820	Intel Core 2 Quad Q9300
TDP	53 W	95 W
TDP (PL2)
TDP up
TDP down
T. junction max.

Technical details

Wischen	Intel Celeron G1820	Intel Core 2 Quad Q9300
Chip design	Monolithic	Monolithic
AES-NI	✓	✗
Operating systems	Windows 10, Linux	Windows 10, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	SSE4.1, SSE4.2	MMX, SSE2, SSE3, SSE4.1
Release date	Q1/2014	Q1/2008
Release price	42 $
Documents	Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of Intel Celeron G1820 is 3.3 stars (3 ratings), while Intel Core 2 Quad Q9300 has received 3.9 stars (11 ratings).

Click on the stars to rate one or both processors.

Intel Celeron G1820
2C / 2T · 2.70 GHz

★★★★★

Intel Core 2 Quad Q9300
4C / 4T · 2.50 GHz

★★★★★