Atom N450
VS
Celeron 2.20

Atom N450 vs Celeron 2.20

Intel

Atom N450

1 Cores2 Thrd512 WWMax: 1.67 GHz2009
VS
Intel

Celeron 2.20

1 Cores1 Thrd73 WWMax: 2.2 GHz2002

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Atom N450 is positioned at rank 660 and the Celeron 2.20 is on rank 1081, so the Atom N450 offers better cost-efficiency for playing games.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Atom N450

#648
Atom x5-Z8300
MSRP: $20|Avg: N/A
903%
#649
Atom Z3735G
MSRP: $17|Avg: N/A
890%
#650
Core i5-480M
MSRP: $81|Avg: $77
817%
#651
Core i5-460M
MSRP: $80|Avg: $129
813%
#652
Core i5-2540M
MSRP: $266|Avg: $10
805%
#654
Core i5-450M
MSRP: $32|Avg: $31
778%
#655
Core i3-380M
MSRP: $49|Avg: $25
746%
#656
Core i5-430M
MSRP: N/A|Avg: $33
745%
#657
Core 2 Duo T6600
MSRP: N/A|Avg: $4
725%
#660
Atom N450
MSRP: N/A|Avg: N/A
100%
#662
Athlon II P360
MSRP: $60|Avg: $10
100%
#665
Athlon X2 QL-64
MSRP: $50|Avg: $15
99%
#666
Core 3 N350
MSRP: $225|Avg: $220
99%
#668
FX-7500
MSRP: $100|Avg: $25
99%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Celeron 2.20

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
80755%
#2
Core i9-10900T
MSRP: $120|Avg: $5
76306%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
55404%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
16691%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
13221%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
11566%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
6624%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
6538%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
5953%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
5952%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
5886%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
5727%
#13
Core i3-9100E
MSRP: $202|Avg: $30
5647%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
5624%
#15
Core i3-8300T
MSRP: $138|Avg: $25
5573%
#1081
Celeron 2.20
MSRP: $79|Avg: $15
100%
#1082
Athlon 64 X2 4000+
MSRP: $328|Avg: $10
93%
#1083
Athlon 64 X2 5200+
MSRP: $420|Avg: $15
93%
#1084
Core i7-975
MSRP: $999|Avg: $50
91%
#1085
Athlon XP 2600+
MSRP: $98|Avg: $10
90%
#1086
Core i7-965
MSRP: $1000|Avg: $40
89%
#1087
Athlon 64 FX-74
MSRP: $499|Avg: $50
86%
#1088
Athlon 64 2000+
MSRP: $100|Avg: $20
85%
#1089
Athlon 64 X2 5600+
MSRP: $505|Avg: $15
85%
#1090
Core 2 Extreme QX9770
MSRP: $1399|Avg: $1399
85%
#1091
Athlon 64 X2 5400+
MSRP: $485|Avg: $78
85%
#1092
Celeron 2.30
MSRP: $100|Avg: $10
84%
#1093
Phenom X4 9450e
MSRP: $450|Avg: $430
84%
#1094
Athlon 64 X2 3800+
MSRP: $354|Avg: $20
80%
#1095
Athlon 64 3000+
MSRP: $149|Avg: $10
78%
#1096
Athlon XP 3100+
MSRP: $150|Avg: $20
73%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Atom N450 (2009) utilizes 45 nm technology and DDR2, providing a fundamental performance advantage.
InsightAtom N450Celeron 2.20
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
More affordable ($0)
⚠️ Higher cost ($15)
Longevity
🛑 Legacy (Pinetrail (2009−2011) / 45 nm)
🛑 Legacy (Northwood (2002−2004) / 130 nm)

💎 Value Proposition

The Celeron 2.20 (2002) relies on 130 nm technology and DDR1, DDR2, placing it in a different performance category relative to modern standards.
InsightAtom N450Celeron 2.20
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
More affordable ($0)
⚠️ Higher cost ($15)

Performance Check

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Technical Specifications

Side-by-side comparison of Atom N450 and Celeron 2.20

Intel

Atom N450

The Atom N450 is manufactured by Intel. It was released in 21 December 2009 (15 years ago). It is based on the Pinetrail (2009−2011) architecture. It features 1 cores and 2 threads. Base frequency is 1.66 GHz, with boost up to 1.67 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 5.5 Watt. Memory support: DDR2. Passmark benchmark score: 325 points. Launch price was $64.

Intel

Celeron 2.20

The Celeron 2.20 is manufactured by Intel. It was released in 2007-01-01. It is based on the Northwood (2002−2004) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 GHz. L3 cache: 0 kB. L2 cache: 128 kB. Built on 130 nm process technology. Socket: PGA478. Thermal design power (TDP): 73 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 305 points. Launch price was $69.

Processing Power

The Atom N450 packs 1 cores / 2 threads, matching the Celeron 2.20's 1 cores. Boost clocks reach 1.67 GHz on the Atom N450 versus 2.2 GHz on the Celeron 2.20 — a 27.4% clock advantage for the Celeron 2.20. The Atom N450 uses the Pinetrail (2009−2011) architecture (45 nm), while the Celeron 2.20 uses Northwood (2002−2004) (130 nm). In PassMark, the Atom N450 scores 325 against the Celeron 2.20's 305 — a 6.3% lead for the Atom N450. Both processors carry 0 kB of L3 cache.

FeatureAtom N450Celeron 2.20
Cores / Threads
1 / 2
1 / 1
Boost Clock
1.67 GHz
2.2 GHz+32%
Base Clock
1.66 GHz
L3 Cache
0 kB
0 kB
L2 Cache
512 kB (per core)+300%
128 kB
Process
45 nm-65%
130 nm
Architecture
Pinetrail (2009−2011)
Northwood (2002−2004)
PassMark
325+7%
305
🧠

Memory & Platform

The Atom N450 uses the FCBGA559 socket (PCIe 2.0), while the Celeron 2.20 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-667 on the Atom N450 versus DDR1-400 on the Celeron 2.20 — the Atom N450 supports 66.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 2.20 supports up to 4 GB of RAM compared to 2 GB 66.7% more capacity for professional workloads. Both feature 1-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: Intel NM10 (Atom N450) and 845,850,865 (Celeron 2.20).

FeatureAtom N450Celeron 2.20
Socket
FCBGA559
PGA478
PCIe Generation
PCIe 2.0+82%
PCIe 1.1
Max RAM Speed
DDR2-667+100%
DDR1-400
Max RAM Capacity
2 GB
4 GB+100%
RAM Channels
1
1
ECC Support
PCIe Lanes
0
0
🔧

Advanced Features

Virtualization: not specified (Atom N450) / No (Celeron 2.20). The Atom N450 includes integrated graphics (Intel GMA 3150), while the Celeron 2.20 requires a dedicated GPU. Primary use case: Celeron 2.20 targets Budget. Direct competitor: Celeron 2.20 rivals Pentium 4 2.40.

FeatureAtom N450Celeron 2.20
Integrated GPU
Yes
No
IGPU Model
Intel GMA 3150
Unlocked
No
AVX-512
No
Virtualization
No
Target Use
Budget