Atom N450 vs Sempron 2800+

Atom N450

1 Cores2 Thrd512 WWMax: 1.67 GHz2009

Sempron 2800+

1 Cores1 Thrd62 WWMax: 2 GHz2001

Performance Spectrum - CPU

Atom N450

1 / 2

325

+1.6%

320

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Ryzen Threadripper 7970X

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 Sempron 2800+ is on rank 1073, 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 Sempron 2800+

Ryzen 9 7950X

MSRP: $194|Avg: $20

63357%

Core i9-10900T

MSRP: $120|Avg: $5

59866%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

43467%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

13095%

Ryzen 9 9950X

MSRP: $649|Avg: $129

10373%

Ryzen 5 8400F

MSRP: $303|Avg: $55

9074%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

5197%

Ryzen 5 2600X

MSRP: $229|Avg: $55

5129%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

4670%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

4670%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

4618%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

4493%

#13

Core i3-9100E

MSRP: $202|Avg: $30

4430%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

4412%

#15

Core i3-8300T

MSRP: $138|Avg: $25

4372%

#1073

Sempron 2800+

MSRP: $65|Avg: $29

100%

#1074

Athlon 64 3100+

MSRP: $100|Avg: $15

97%

#1075

Sempron 3600+

MSRP: $105|Avg: $20

94%

#1076

Celeron 2.80

MSRP: $100|Avg: $15

87%

#1077

Athlon 64 X2 6000+

MSRP: $450|Avg: $20

83%

#1078

Athlon 64 3600+

MSRP: $149|Avg: $15

81%

#1079

Core 2 Quad Q6700

MSRP: $530|Avg: $50

80%

#1080

Athlon 64 2600+

MSRP: $100|Avg: $5

80%

#1081

Celeron 2.20

MSRP: $79|Avg: $15

78%

#1082

Athlon 64 X2 4000+

MSRP: $328|Avg: $10

73%

#1083

Athlon 64 X2 5200+

MSRP: $420|Avg: $15

73%

#1084

Core i7-975

MSRP: $999|Avg: $50

72%

#1085

Athlon XP 2600+

MSRP: $98|Avg: $10

71%

#1086

Core i7-965

MSRP: $1000|Avg: $40

70%

#1087

Athlon 64 FX-74

MSRP: $499|Avg: $50

67%

#1088

Athlon 64 2000+

MSRP: $100|Avg: $20

67%

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.

Insight	Atom N450	Sempron 2800+
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	✅ More affordable ($0)	⚠️ Higher cost ($29)
Longevity	🛑 Legacy (Pinetrail (2009−2011) / 45 nm)	🛑 Legacy (Manila (2001−2006) / 130 nm)

💎 Value Proposition

The Sempron 2800+ (2001) relies on 130 nm technology and older memory, placing it in a different performance category relative to modern standards.

Insight	Atom N450	Sempron 2800+
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($29)

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.

Atom N450 Benchmark Check

Sempron 2800+ Benchmark Check

Technical Specifications

Side-by-side comparison of Atom N450 and Sempron 2800+

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.

Sempron 2800+

The Sempron 2800+ is manufactured by AMD. It was released in Janeiro 2001 (24 years ago). It is based on the Manila (2001−2006) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L3 cache: 0 kB. L2 cache: 256K. Built on 130 nm process technology. Socket: AM2. Thermal design power (TDP): 62 Watt. Passmark benchmark score: 320 points. Launch price was $104.

⚡

Processing Power

The Atom N450 packs 1 cores / 2 threads, matching the Sempron 2800+'s 1 cores. Boost clocks reach 1.67 GHz on the Atom N450 versus 2 GHz on the Sempron 2800+ — a 18% clock advantage for the Sempron 2800+. The Atom N450 uses the Pinetrail (2009−2011) architecture (45 nm), while the Sempron 2800+ uses Manila (2001−2006) (130 nm). In PassMark, the Atom N450 scores 325 against the Sempron 2800+'s 320 — a 1.6% lead for the Atom N450. Both processors carry 0 kB of L3 cache.

Feature	Atom N450	Sempron 2800+
Cores / Threads	1 / 2	1 / 1
Boost Clock	1.67 GHz	2 GHz+20%
Base Clock	1.66 GHz	—
L3 Cache	0 kB	0 kB
L2 Cache	512 kB (per core)+100%	256K
Process	45 nm-65%	130 nm
Architecture	Pinetrail (2009−2011)	Manila (2001−2006)
PassMark	325+2%	320

🧠

Memory & Platform

The Atom N450 uses the FCBGA559 socket (PCIe 2.0), while the Sempron 2800+ uses AM2 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-667 on the Atom N450 versus DDR-333 on the Sempron 2800+ — the Atom N450 supports -202.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 2 GB of RAM. Both feature 1-channel memory with ECC support. Both provide 0 PCIe lanes.

Feature	Atom N450	Sempron 2800+
Socket	FCBGA559	AM2
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR2-667	DDR-333
Max RAM Capacity	2 GB	2 GB
RAM Channels	1	1
ECC Support	❌	❌
PCIe Lanes	0	0

🔧

Advanced Features

Virtualization: not specified (Atom N450) / None (Sempron 2800+). The Atom N450 includes integrated graphics (Intel GMA 3150), while the Sempron 2800+ requires a dedicated GPU. Primary use case: Sempron 2800+ targets Budget.