Intel Core 2 Quad Q9450 vs Intel Celeron N4020C

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CPU comparison with benchmarks


Intel Core 2 Quad Q9450 CPU1 vs CPU2 Intel Celeron N4020C
Intel Core 2 Quad Q9450 Intel Celeron N4020C

CPU comparison

Intel Core 2 Quad Q9450 or Intel Celeron N4020C - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core 2 Quad Q9450 has 4 cores with 4 threads and clocks with a maximum frequency of 2.66 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core 2 Quad Q9450 was released in Q1/2008.

The Intel Celeron N4020C has 2 cores with 2 threads and clocks with a maximum frequency of 2.80 GHz. The CPU supports up to 8 GB of memory in 2 memory channels. The Intel Celeron N4020C was released in Q1/2021.
Intel Core2 Quad (19) Family Intel Celeron (165)
Intel Core 2 Quad Q8000/Q9000 (16) CPU group Intel Celeron J4000/N4000/N5000 (11)
2 Generation 9
Yorkfield (Penryn) Architecture Gemini Lake
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core 2 Quad Q9450 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core 2 Quad Q9450 is 2.66 GHz while the Intel Celeron N4020C has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Intel Celeron N4020C is at 1.10 GHz (2.80 GHz).

Intel Core 2 Quad Q9450 Characteristic Intel Celeron N4020C
4 Cores 2
4 Threads 2
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
2.66 GHz Frequency 1.10 GHz
-- Turbo Frequency (1 Core) 2.80 GHz
-- Turbo Frequency (All Cores) 2.80 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core 2 Quad Q9450 Characteristic Intel Celeron N4020C
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core 2 Quad Q9450 or Intel Celeron N4020C has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

no iGPU GPU Intel UHD Graphics 600
GPU frequency 0.20 GHz
-- GPU (Turbo) 0.65 GHz
-- GPU Generation 9.5
Technology 14 nm
Max. displays 3
-- Compute units 12
-- Shader 96
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 8 GB
-- DirectX Version 12

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

no iGPU GPU Intel UHD Graphics 600
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The Intel Core 2 Quad Q9450 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 17.1 GB/s. The Intel Celeron N4020C supports up to 8 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s.

Intel Core 2 Quad Q9450 Characteristic Intel Celeron N4020C
DDR3-1066, DDR2-800 Memory LPDDR4-2400, DDR4-2400
16 GB Max. Memory 8 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
17.1 GB/s Max. Bandwidth 38.4 GB/s
No ECC No
12.00 MB L2 Cache --
-- L3 Cache 4.00 MB
-- PCIe version 2.0
-- PCIe lanes 6
-- PCIe Bandwidth 3.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core 2 Quad Q9450 is 95 W, while the Intel Celeron N4020C has a TDP of 6 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core 2 Quad Q9450 Characteristic Intel Celeron N4020C
95 W TDP (PL1 / PBP) 6 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 4.8 W
-- Tjunction max. 105 °C

Technical details

The Intel Core 2 Quad Q9450 is manufactured in 45 nm and has 12.00 MB cache. The Intel Celeron N4020C is manufactured in 14 nm and has a 4.00 MB cache.

Intel Core 2 Quad Q9450 Characteristic Intel Celeron N4020C
45 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, SSE2, SSE3, SSE4.1 ISA extensions SSE4.1, SSE4.2
LGA 775 Socket BGA 1090
VT-x, VT-d Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q1/2008 Release date Q1/2021
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core 2 Quad Q9450 (84%)
Intel Celeron N4020C (100%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core 2 Quad Q9450 (100%)
Intel Celeron N4020C (68%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core 2 Quad Q9450 Intel Core 2 Quad Q9450
4C 4T @ 2.66 GHz
408 (84%)
Intel Celeron N4020C Intel Celeron N4020C
2C 2T @ 2.80 GHz
486 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core 2 Quad Q9450 Intel Core 2 Quad Q9450
4C 4T @ 2.66 GHz
1363 (100%)
Intel Celeron N4020C Intel Celeron N4020C
2C 2T @ 2.80 GHz
860 (63%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core 2 Quad Q9450 Intel Core 2 Quad Q9450
4C 4T @ 2.66 GHz
2110 (100%)
Intel Celeron N4020C Intel Celeron N4020C
2C 2T @ 2.80 GHz
1535 (73%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core 2 Quad Q9450 Intel Core 2 Quad Q9450
4C 4T @ 2.66 GHz
0 (0%)
Intel Celeron N4020C Intel Celeron N4020C
2C 2T @ 2.80 GHz
402 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core 2 Quad Q9450 Intel Core 2 Quad Q9450
4C 4T @ 2.66 GHz
0 (0%)
Intel Celeron N4020C Intel Celeron N4020C
2C 2T @ 2.80 GHz
705 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core 2 Quad Q9450 Intel Core 2 Quad Q9450
@ 0.00 GHz
0 (0%)
Intel Celeron N4020C Intel Celeron N4020C
Intel UHD Graphics 600 @ 0.65 GHz
125 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core 2 Quad Q9450 Intel Core 2 Quad Q9450
4C 4T @ 2.66 GHz
0 (0%)
Intel Celeron N4020C Intel Celeron N4020C
2C 2T @ 2.80 GHz
75 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core 2 Quad Q9450 Intel Core 2 Quad Q9450
4C 4T @ 2.66 GHz
0 (0%)
Intel Celeron N4020C Intel Celeron N4020C
2C 2T @ 2.80 GHz
144 (100%)

Devices using this processor

Intel Core 2 Quad Q9450 Intel Celeron N4020C
Unknown Unknown

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