Celeron 6305 vs Celeron 2955U

Celeron 6305

2 Cores2 Thrd2.5 WWMax: 1.8 GHz2020

Celeron 2955U

2 Cores2 Thrd512 WWMax: 1.4 GHz2013

Performance Spectrum - CPU

Celeron 6305

2 / 2

2,077

+0.4%

2,069

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 Celeron 6305 is positioned at rank 897 and the Celeron 2955U is on rank 427, so the Celeron 2955U 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 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 Per Dollar Celeron 2955U

#415

Atom x5-Z8300

MSRP: $20|Avg: N/A

567%

#416

Atom Z3735G

MSRP: $17|Avg: N/A

559%

#417

Core i5-480M

MSRP: $81|Avg: $77

513%

#418

Core i5-460M

MSRP: $80|Avg: $129

511%

#419

Core i5-2540M

MSRP: $266|Avg: $10

506%

#421

Core i5-450M

MSRP: $32|Avg: $31

489%

#422

Core i3-380M

MSRP: $49|Avg: $25

469%

#423

Core i5-430M

MSRP: N/A|Avg: $33

468%

#424

Core 2 Duo T6600

MSRP: N/A|Avg: $4

455%

#427

Celeron 2955U

MSRP: N/A|Avg: N/A

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

Insight	Celeron 6305	Celeron 2955U
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	⚠️ Higher cost ($80)	✅ More affordable ($0)
Longevity	✨ Modern (Tiger Lake-U (2020−2021) / 10 nm SuperFin)	🛑 Legacy (Haswell (2013−2015) / 22 nm)

💎 Value Proposition

The Celeron 2955U (2013) relies on 22 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Celeron 6305	Celeron 2955U
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($80)	✅ 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.

Celeron 6305 Benchmark Check

Celeron 2955U Benchmark Check

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Celeron 6305 and Celeron 2955U

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.

Celeron 2955U

The Celeron 2955U is manufactured by Intel. It was released in 2007-01-01. It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 1.4 GHz, with boost up to 1.4 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 2,069 points. Launch price was $69.

⚡

Processing Power

Both the Celeron 6305 and Celeron 2955U share an identical 2-core/2-thread configuration. Boost clocks reach 1.8 GHz on the Celeron 6305 versus 1.4 GHz on the Celeron 2955U — a 25% clock advantage for the Celeron 6305. The Celeron 6305 uses the Tiger Lake-U (2020−2021) architecture (10 nm SuperFin), while the Celeron 2955U uses Haswell (2013−2015) (22 nm). In PassMark, the Celeron 6305 scores 2,077 against the Celeron 2955U's 2,069 — a 0.4% lead for the Celeron 6305. L3 cache: 4 MB on the Celeron 6305 vs 2 MB (total) on the Celeron 2955U.

Feature	Celeron 6305	Celeron 2955U
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.8 GHz+29%	1.4 GHz
Base Clock	—	1.4 GHz
L3 Cache	4 MB+100%	2 MB (total)
L2 Cache	2.5 MB+900%	256K (per core)
Process	10 nm SuperFin-55%	22 nm
Architecture	Tiger Lake-U (2020−2021)	Haswell (2013−2015)
PassMark	2,077	2,069
Geekbench 6 Single	744	—
Geekbench 6 Multi	1,236	—

🧠

Memory & Platform

The Celeron 6305 uses the FCBGA1449 socket (PCIe 4.0), while the Celeron 2955U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Celeron 6305 versus DDR3L-1600 on the Celeron 2955U — the Celeron 6305 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 6305 supports up to 64 GB of RAM compared to 16 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 4 (Celeron 6305) vs 10 (Celeron 2955U) — the Celeron 2955U offers 6 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Tiger Lake-U (Celeron 6305) and Wildcat Point-LP (Celeron 2955U).

Feature	Celeron 6305	Celeron 2955U
Socket	FCBGA1449	FCBGA1168
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	DDR4-3200+33%	DDR3L-1600
Max RAM Capacity	64 GB+300%	16 GB
RAM Channels	2	2
ECC Support	❌	❌
PCIe Lanes	4	10+150%

🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Celeron 6305) vs VT-x (Celeron 2955U). Both include integrated graphics — UHD Graphics for 11th Gen (Celeron 6305) and HD Graphics (Haswell) (Celeron 2955U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 6305 targets Budget, Celeron 2955U targets Budget. Direct competitor: Celeron 6305 rivals Pentium Gold 7505; Celeron 2955U rivals Pentium 2117U.