Atom Z500 vs Pentium III 1133

Atom Z500

1 Cores1 Thrd650 WWMax: 0.8 GHz2008

Pentium III 1133

1 Cores1 Thrd29 WWMax: 1.13 GHz2000

Performance Spectrum - CPU

Atom Z500

1 / 1

165

0.0%

180

+9.1%

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 Z500 is positioned at rank 946 and the Pentium III 1133 is on rank 1142, so the Atom Z500 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 Z500

#934

Atom x5-Z8300

MSRP: $20|Avg: N/A

1778%

#935

Atom Z3735G

MSRP: $17|Avg: N/A

1752%

#936

Core i5-480M

MSRP: $81|Avg: $77

1608%

#937

Core i5-460M

MSRP: $80|Avg: $129

1601%

#938

Core i5-2540M

MSRP: $266|Avg: $10

1587%

#940

Core i5-450M

MSRP: $32|Avg: $31

1532%

#941

Core i3-380M

MSRP: $49|Avg: $25

1469%

#942

Core i5-430M

MSRP: N/A|Avg: $33

1467%

#943

Core 2 Duo T6600

MSRP: N/A|Avg: $4

1427%

#946

Atom Z500

MSRP: N/A|Avg: N/A

100%

#948

A8-8600P

MSRP: $150|Avg: $30

100%

#949

FX-9800P

MSRP: $150|Avg: $45

99%

#951

Celeron 1020E

MSRP: $86|Avg: $20

99%

#954

Core i7-5850EQ

MSRP: $435|Avg: $370

98%

#956

Core i7-4810MQ

MSRP: $378|Avg: $378

97%

#959

Celeron Dual-Core T3500

MSRP: $80|Avg: $15

97%

#960

Celeron 4305UE

MSRP: $107|Avg: $107

96%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Pentium III 1133

Ryzen 9 7950X

MSRP: $194|Avg: $20

1731750%

Core i9-10900T

MSRP: $120|Avg: $5

1636333%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

1188111%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

357928%

Ryzen 9 9950X

MSRP: $649|Avg: $129

283517%

Ryzen 5 8400F

MSRP: $303|Avg: $55

248022%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

142056%

Ryzen 5 2600X

MSRP: $229|Avg: $55

140200%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

127656%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

127644%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

126217%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

122811%

#13

Core i3-9100E

MSRP: $202|Avg: $30

121094%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

120606%

#15

Core i3-8300T

MSRP: $138|Avg: $25

119511%

#1142

Pentium III 1133

MSRP: $990|Avg: $30

100%

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 Z500 (2008) utilizes 45 nm technology and modern memory, providing a fundamental performance advantage.

Insight	Atom Z500	Pentium III 1133
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($0)	⚠️ Higher cost ($30)
Longevity	🛑 Legacy (Silverthorne (2008−2010) / 45 nm)	🛑 Legacy (Tualatin (2000−2002) / 180 nm)

💎 Value Proposition

The Pentium III 1133 (2000) relies on 180 nm technology and older memory, placing it in a different performance category relative to modern standards.

Insight	Atom Z500	Pentium III 1133
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($30)

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 Z500 Benchmark Check

Pentium III 1133 Benchmark Check

Technical Specifications

Side-by-side comparison of Atom Z500 and Pentium III 1133

Atom Z500

The Atom Z500 is manufactured by Intel. It was released in 2 April 2008 (17 years ago). It is based on the Silverthorne (2008−2010) architecture. It features 1 cores and 1 threads. Max frequency: 0.8 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 45 nm process technology. Socket: PBGA441. Thermal design power (TDP): 0.65 Watt. Passmark benchmark score: 165 points. Launch price was $45.

Pentium III 1133

The Pentium III 1133 is manufactured by Intel. It was released in 2007-01-01. It is based on the Tualatin (2000−2002) architecture. It features 1 cores and 1 threads. Max frequency: 1.13 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 180 nm process technology. Socket: PGA370. Thermal design power (TDP): 29 Watt. Passmark benchmark score: 180 points. Launch price was $69.

⚡

Processing Power

Both the Atom Z500 and Pentium III 1133 share an identical 1-core/1-thread configuration. Boost clocks reach 0.8 GHz on the Atom Z500 versus 1.13 GHz on the Pentium III 1133 — a 34.2% clock advantage for the Pentium III 1133. The Atom Z500 uses the Silverthorne (2008−2010) architecture (45 nm), while the Pentium III 1133 uses Tualatin (2000−2002) (180 nm). In PassMark, the Atom Z500 scores 165 against the Pentium III 1133's 180 — a 8.7% lead for the Pentium III 1133. Both processors carry 0 kB of L3 cache.

Feature	Atom Z500	Pentium III 1133
Cores / Threads	1 / 1	1 / 1
Boost Clock	0.8 GHz	1.13 GHz+41%
L3 Cache	0 kB	0 kB
L2 Cache	512 kB+100%	256 kB
Process	45 nm-75%	180 nm
Architecture	Silverthorne (2008−2010)	Tualatin (2000−2002)
PassMark	165	180+9%

🧠

Memory & Platform

The Atom Z500 uses the PBGA441 socket (PCIe 2.0), while the Pentium III 1133 uses PGA370 (PCIe 1.1) — making them incompatible on the same motherboard.