Sempron LE-1100 vs Atom Z550

Performance Spectrum - CPU

Sempron LE-1100

1 / 1

376

+0.3%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Atom Z550

1 / 2

375

0.0%

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 LE-1100 is positioned at rank 953 and the Atom Z550 is on rank 592, so the Atom Z550 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 LE-1100

#1

Ryzen 9 7950X

MSRP: $194|Avg: $20

24877%

#2

Core i9-10900T

MSRP: $120|Avg: $5

23507%

#3

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

17068%

#4

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

5142%

#5

Ryzen 9 9950X

MSRP: $649|Avg: $129

4073%

#6

Ryzen 5 8400F

MSRP: $303|Avg: $55

3563%

#7

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

2041%

#8

Ryzen 5 2600X

MSRP: $229|Avg: $55

2014%

#9

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

1834%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

1834%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

1813%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

1764%

#13

Core i3-9100E

MSRP: $202|Avg: $30

1740%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

1733%

#15

Core i3-8300T

MSRP: $138|Avg: $25

1717%

#953

Sempron LE-1100

MSRP: N/A|Avg: N/A

100%

#954

Core i5-660

MSRP: $196|Avg: $150

99%

#955

Athlon II X2 250

MSRP: $87|Avg: $15

99%

#956

Core i3-2120T

MSRP: $127|Avg: $38

99%

#957

Phenom II X3 720

MSRP: $130|Avg: $64

98%

#958

Pentium E6300

MSRP: $84|Avg: $15

98%

#959

Core i5-661

MSRP: $196|Avg: $40

97%

#960

Core i3-4150

MSRP: $281|Avg: $70

97%

#961

Core i5-750

MSRP: $210|Avg: $30

97%

#962

Core i3-2100T

MSRP: $127|Avg: $127

96%

#963

Pentium E2210

MSRP: $84|Avg: $15

95%

#964

Core i3-560

MSRP: $138|Avg: $10

95%

#965

Core i3-550

MSRP: $138|Avg: $5

94%

#966

Core i7-980

MSRP: $583|Avg: $50

94%

#967

Pentium G3250

MSRP: $171|Avg: $25

94%

#968

Pentium E2200

MSRP: $84|Avg: $5

94%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Atom Z550

#184

Core Ultra 7 266V

MSRP: $520|Avg: $520

99%

#580

Atom x5-Z8300

MSRP: $20|Avg: N/A

782%

#581

Atom Z3735G

MSRP: $17|Avg: N/A

771%

#582

Core i5-480M

MSRP: $81|Avg: $77

708%

#583

Core i5-460M

MSRP: $80|Avg: $129

705%

#584

Core i5-2540M

MSRP: $266|Avg: $10

698%

#586

Core i5-450M

MSRP: $32|Avg: $31

674%

#587

Core i3-380M

MSRP: $49|Avg: $25

646%

#588

Core i5-430M

MSRP: N/A|Avg: $33

645%

#589

Core 2 Duo T6600

MSRP: N/A|Avg: $4

628%

#592

Atom Z550

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Atom Z550 leads in gaming performance. However, the Sempron LE-1100 is the stronger candidate for professional workloads, offering 0.3% greater multi-core processing power.

Insight	Sempron LE-1100	Atom Z550
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Sparta (2007) / 65 nm)	🛑 Legacy (Silverthorne (2008−2010) / 45 nm)

💎 Value Proposition

Insight	Sempron LE-1100	Atom Z550
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	Equivalent pricing	Equivalent pricing

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 LE-1100 Benchmark Check

Atom Z550 Benchmark Check

Technical Specifications

Side-by-side comparison of Sempron LE-1100 and Atom Z550

Sempron LE-1100

The Sempron LE-1100 is manufactured by AMD. It was released in 2007-01-01. It is based on the Sparta (2007) architecture. It features 1 cores and 1 threads. Max frequency: 1.9 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 65 nm process technology. Socket: AM2. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 376 points. Launch price was $69.

Atom Z550

The Atom Z550 is manufactured by Intel. It was released in 8 April 2009 (16 years ago). It is based on the Silverthorne (2008−2010) architecture. It features 1 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: PBGA441. Thermal design power (TDP): 2.4 Watt. Memory support: unknown. Passmark benchmark score: 375 points. Launch price was $69.

⚡

Processing Power

The Sempron LE-1100 packs 1 cores / 1 threads, matching the Atom Z550's 1 cores. Boost clocks reach 1.9 GHz on the Sempron LE-1100 versus 2 GHz on the Atom Z550 — a 5.1% clock advantage for the Atom Z550. The Sempron LE-1100 uses the Sparta (2007) architecture (65 nm), while the Atom Z550 uses Silverthorne (2008−2010) (45 nm). In PassMark, the Sempron LE-1100 scores 376 against the Atom Z550's 375 — a 0.3% lead for the Sempron LE-1100. Both processors carry 0 kB of L3 cache.

Feature	Sempron LE-1100	Atom Z550
Cores / Threads	1 / 1	1 / 2
Boost Clock	1.9 GHz	2 GHz+5%
Base Clock	—	2 GHz
L3 Cache	0 kB	0 kB
L2 Cache	256 kB	512 kB (per core)+100%
Process	65 nm	45 nm-31%
Architecture	Sparta (2007)	Silverthorne (2008−2010)
PassMark	376	375

🧠

Memory & Platform

The Sempron LE-1100 uses the AM2 socket (PCIe 2.0), while the Atom Z550 uses PBGA441 (PCIe 2.0) — making them incompatible on the same motherboard.