Core 2 Extreme X9100 vs Celeron 6305

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 Core 2 Extreme X9100 is positioned at rank 277 and the Celeron 6305 is on rank 897, so the Core 2 Extreme X9100 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 Core 2 Extreme X9100

#82

Core i7-11700B

MSRP: $323|Avg: $311

97%

#265

Atom x5-Z8300

MSRP: $20|Avg: N/A

427%

#266

Atom Z3735G

MSRP: $17|Avg: N/A

420%

#267

Core i5-480M

MSRP: $81|Avg: $77

386%

#268

Core i5-460M

MSRP: $80|Avg: $129

384%

#269

Core i5-2540M

MSRP: $266|Avg: $10

381%

#271

Core i5-450M

MSRP: $32|Avg: $31

368%

#272

Core i3-380M

MSRP: $49|Avg: $25

352%

#273

Core i5-430M

MSRP: N/A|Avg: $33

352%

#274

Core 2 Duo T6600

MSRP: N/A|Avg: $4

342%

#277

Core 2 Extreme X9100

MSRP: $851|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Celeron 6305

#885

Atom x5-Z8300

MSRP: $20|Avg: N/A

1512%

#886

Atom Z3735G

MSRP: $17|Avg: N/A

1489%

#887

Core i5-480M

MSRP: $81|Avg: $77

1367%

#888

Core i5-460M

MSRP: $80|Avg: $129

1361%

#889

Core i5-2540M

MSRP: $266|Avg: $10

1349%

#891

Core i5-450M

MSRP: $32|Avg: $31

1302%

#892

Core i3-380M

MSRP: $49|Avg: $25

1249%

#893

Core i5-430M

MSRP: N/A|Avg: $33

1247%

#894

Core 2 Duo T6600

MSRP: N/A|Avg: $4

1213%

#897

Celeron 6305

MSRP: $107|Avg: $80

100%

#900

Core i7-8705G

MSRP: $400|Avg: $400

98%

#902

Pentium Dual Core T2410

MSRP: $100|Avg: $100

98%

#903

FX-8800P

MSRP: $150|Avg: $45

97%

#904

Core i7-8809G

MSRP: $450|Avg: $450

97%

#911

Core i7-6820HK

MSRP: $378|Avg: N/A

96%

#912

Athlon II Neo K325

MSRP: $60|Avg: $25

95%

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 Celeron 6305 (2020) utilizes 10 nm SuperFin technology and DDR4, providing a fundamental performance advantage.

Insight	Core 2 Extreme X9100	Celeron 6305
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($851)	✅ More affordable ($80)
Longevity	🛑 Legacy (Penryn XE (2008) / 45 nm)	✨ Modern (Tiger Lake-U (2020−2021) / 10 nm SuperFin)

💎 Value Proposition

The Core 2 Extreme X9100 (2008) relies on 45 nm technology and **DDR2, DDR3 Depends on motherboard**, placing it in a different performance category relative to modern standards.

Insight	Core 2 Extreme X9100	Celeron 6305
Cost Efficiency	❌ Lower cost efficiency	✅ Better overall value (+971%)
Upfront Cost	⚠️ Higher cost ($851)	✅ More affordable ($80)

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.

Core 2 Extreme X9100 Benchmark Check

Celeron 6305 Benchmark Check

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Technical Specifications

Side-by-side comparison of Core 2 Extreme X9100 and Celeron 6305

Core 2 Extreme X9100

The Core 2 Extreme X9100 is manufactured by Intel. It was released in 1 July 2008 (17 years ago). It is based on the Penryn XE (2008) architecture. It features 2 cores and 2 threads. Base frequency is 3.06 GHz, with boost up to 0.07 GHz. L3 cache: 0 kB. L2 cache: 6 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 2,063 points. Launch price was $851.

Celeron 6305

The Celeron 6305 is manufactured by Intel. It was released in 2007-01-01. It is based on the Tiger Lake-U (2020−2021) architecture. It features 2 cores and 2 threads. Max frequency: 1.8 GHz. L3 cache: 4 MB. L2 cache: 2.5 MB. Built on 10 nm SuperFin process technology. Socket: FCBGA1449. Thermal design power (TDP): 2.5 MB + 4 MB. Memory support: DDR4. Passmark benchmark score: 2,077 points. Launch price was $69.

⚡

Processing Power

Both the Core 2 Extreme X9100 and Celeron 6305 share an identical 2-core/2-thread configuration. Boost clocks reach 0.07 GHz on the Core 2 Extreme X9100 versus 1.8 GHz on the Celeron 6305 — a 185% clock advantage for the Celeron 6305. The Core 2 Extreme X9100 uses the Penryn XE (2008) architecture (45 nm), while the Celeron 6305 uses Tiger Lake-U (2020−2021) (10 nm SuperFin). In PassMark, the Core 2 Extreme X9100 scores 2,063 against the Celeron 6305's 2,077 — a 0.7% lead for the Celeron 6305. L3 cache: 0 kB on the Core 2 Extreme X9100 vs 4 MB on the Celeron 6305.

Feature	Core 2 Extreme X9100	Celeron 6305
Cores / Threads	2 / 2	2 / 2
Boost Clock	0.07 GHz	1.8 GHz+2471%
Base Clock	3.06 GHz	—
L3 Cache	0 kB	4 MB
L2 Cache	6 MB+140%	2.5 MB
Process	45 nm	10 nm SuperFin-78%
Architecture	Penryn XE (2008)	Tiger Lake-U (2020−2021)
PassMark	2,063	2,077
Geekbench 6 Single	—	744
Geekbench 6 Multi	—	1,236

🧠

Memory & Platform

The Core 2 Extreme X9100 uses the PGA478 socket (PCIe 1.1), while the Celeron 6305 uses FCBGA1449 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core 2 Extreme X9100	Celeron 6305
Socket	PGA478	FCBGA1449
PCIe Generation	PCIe 1.1	PCIe 4.0+264%
Max RAM Speed	—	DDR4-3200
Max RAM Capacity	—	64 GB
RAM Channels	—	2
ECC Support	—	❌
PCIe Lanes	—	4

🔧

Advanced Features

Virtualization: not specified (Core 2 Extreme X9100) / VT-x, VT-d (Celeron 6305). The Celeron 6305 includes integrated graphics (UHD Graphics for 11th Gen), while the Core 2 Extreme X9100 requires a dedicated GPU. Primary use case: Celeron 6305 targets Budget. Direct competitor: Celeron 6305 rivals Pentium Gold 7505.