Pentium III 1133
VS
Atom Z500

Pentium III 1133 vs Atom Z500

Intel

Pentium III 1133

1 Cores1 Thrd29 WWMax: 1.13 GHz2000
VS
Intel

Atom Z500

1 Cores1 Thrd650 WWMax: 0.8 GHz2008

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

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
1731750%
#2
Core i9-10900T
MSRP: $120|Avg: $5
1636333%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
1188111%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
357928%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
283517%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
248022%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
142056%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
140200%
#9
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 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 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.
InsightPentium III 1133Atom Z500
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
⚠️ Higher cost ($30)
More affordable ($0)
Longevity
🛑 Legacy (Tualatin (2000−2002) / 180 nm)
🛑 Legacy (Silverthorne (2008−2010) / 45 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.
InsightPentium III 1133Atom Z500
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
⚠️ Higher cost ($30)
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.

Technical Specifications

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

Intel

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.

Intel

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.

Processing Power

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

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

Memory & Platform

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

FeaturePentium III 1133Atom Z500
Socket
PGA370
PBGA441
PCIe Generation
PCIe 1.1
PCIe 2.0+82%
Max RAM Speed
DDR2-533
Max RAM Capacity
2 GB
RAM Channels
1
ECC Support
PCIe Lanes
0