Sempron 2800+ vs Atom N450

Sempron 2800+

1 Cores1 Thrd62 WWMax: 2 GHz2001

Atom N450

1 Cores2 Thrd512 WWMax: 1.67 GHz2009

Performance Spectrum - CPU

Sempron 2800+

1 / 1

320

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Ryzen Threadripper 7970X

Atom N450

1 / 2

325

+1.6%

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 Sempron 2800+ is positioned at rank 1073 and the Atom N450 is on rank 660, 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 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 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 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	Sempron 2800+	Atom N450
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($29)	✅ More affordable ($0)
Longevity	🛑 Legacy (Manila (2001−2006) / 130 nm)	🛑 Legacy (Pinetrail (2009−2011) / 45 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	Sempron 2800+	Atom N450
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($29)	✅ More affordable ($0)

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.

Sempron 2800+ Benchmark Check

Atom N450 Benchmark Check

Technical Specifications

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

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.

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.

⚡

Processing Power

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

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

🧠

Memory & Platform

The Sempron 2800+ uses the AM2 socket (PCIe 2.0), while the Atom N450 uses FCBGA559 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR-333 on the Sempron 2800+ versus DDR2-667 on the Atom N450 — 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	Sempron 2800+	Atom N450
Socket	AM2	FCBGA559
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR-333	DDR2-667
Max RAM Capacity	2 GB	2 GB
RAM Channels	1	1
ECC Support	❌	❌
PCIe Lanes	0	0

🔧

Advanced Features

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