Celeron 2955U
VS
Celeron 6305

Celeron 2955U vs Celeron 6305

Intel

Celeron 2955U

2 Cores2 Thrd512 WWMax: 1.4 GHz2013
VS
Intel

Celeron 6305

2 Cores2 Thrd2.5 WWMax: 1.8 GHz2020

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 Celeron 2955U is positioned at rank 427 and the Celeron 6305 is on rank 897, 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 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 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.
InsightCeleron 2955UCeleron 6305
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
More affordable ($0)
⚠️ Higher cost ($80)
Longevity
🛑 Legacy (Haswell (2013−2015) / 22 nm)
✨ Modern (Tiger Lake-U (2020−2021) / 10 nm SuperFin)

💎 Value Proposition

The Celeron 2955U (2013) relies on 22 nm technology and DDR3, placing it in a different performance category relative to modern standards.
InsightCeleron 2955UCeleron 6305
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
More affordable ($0)
⚠️ Higher cost ($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.

Technical Specifications

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

Intel

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.

Intel

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

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

Memory & Platform

The Celeron 2955U uses the FCBGA1168 socket (PCIe 3.0), while the Celeron 6305 uses FCBGA1449 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3L-1600 on the Celeron 2955U versus DDR4-3200 on the Celeron 6305 — 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: 10 (Celeron 2955U) vs 4 (Celeron 6305) — the Celeron 2955U offers 6 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Wildcat Point-LP (Celeron 2955U) and Tiger Lake-U (Celeron 6305).

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

Advanced Features

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

FeatureCeleron 2955UCeleron 6305
Integrated GPU
Yes
Yes
IGPU Model
HD Graphics (Haswell)
UHD Graphics for 11th Gen
Unlocked
No
No
AVX-512
No
No
Virtualization
VT-x
VT-x, VT-d
Target Use
Budget
Budget