Celeron 6305 vs Celeron B815

Celeron 6305

2 Cores2 Thrd2.5 WWMax: 1.8 GHz2020

Celeron B815

2 Cores2 Thrd0 WWMax: 1.6 GHz2012

Performance Spectrum - CPU

Celeron 6305

2 / 2

2,077

0.0%

2,093

+0.8%

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 B815 is on rank 799, so the Celeron B815 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 B815

#786

Atom x5-Z8300

MSRP: $20|Avg: N/A

1205%

#787

Atom Z3735G

MSRP: $17|Avg: N/A

1188%

#788

Core i5-480M

MSRP: $81|Avg: $77

1090%

#789

Core i5-460M

MSRP: $80|Avg: $129

1085%

#790

Core i5-2540M

MSRP: $266|Avg: $10

1076%

#792

Core i5-450M

MSRP: $32|Avg: $31

1039%

#793

Core i3-380M

MSRP: $49|Avg: $25

996%

#794

Core i5-430M

MSRP: N/A|Avg: $33

994%

#795

Core 2 Duo T6600

MSRP: N/A|Avg: $4

968%

#799

Celeron B815

MSRP: $86|Avg: $15

100%

#800

Celeron B810

MSRP: $86|Avg: $86

100%

#802

Core i7-1365UE

MSRP: $429|Avg: $429

99%

#804

3020e

MSRP: $100|Avg: $25

99%

#808

Athlon II M320

MSRP: $75|Avg: $15

98%

#809

Celeron B800

MSRP: $80|Avg: $5

98%

#810

Celeron B710

MSRP: $86|Avg: $10

98%

#812

Athlon II Neo K345

MSRP: $50|Avg: $10

98%

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 B815
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($80)	✅ More affordable ($15)
Longevity	✨ Modern (Tiger Lake-U (2020−2021) / 10 nm SuperFin)	🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)

💎 Value Proposition

The Celeron B815 (2012) relies on 32 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Celeron 6305	Celeron B815
Cost Efficiency	❌ Lower cost efficiency	✅ Better overall value (+437%)
Upfront Cost	⚠️ Higher cost ($80)	✅ More affordable ($15)

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 B815 Benchmark Check

Technical Specifications

Side-by-side comparison of Celeron 6305 and Celeron B815

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 B815

The Celeron B815 is manufactured by Intel. It was released in 1 January 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 2,093 points. Launch price was $86.

⚡

Processing Power

Both the Celeron 6305 and Celeron B815 share an identical 2-core/2-thread configuration. Boost clocks reach 1.8 GHz on the Celeron 6305 versus 1.6 GHz on the Celeron B815 — a 11.8% clock advantage for the Celeron 6305. The Celeron 6305 uses the Tiger Lake-U (2020−2021) architecture (10 nm SuperFin), while the Celeron B815 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Celeron 6305 scores 2,077 against the Celeron B815's 2,093 — a 0.8% lead for the Celeron B815. L3 cache: 4 MB on the Celeron 6305 vs 2 MB (total) on the Celeron B815.

Feature	Celeron 6305	Celeron B815
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.8 GHz+12%	1.6 GHz
Base Clock	—	1.6 GHz
L3 Cache	4 MB+100%	2 MB (total)
L2 Cache	2.5 MB+900%	256K (per core)
Process	10 nm SuperFin-69%	32 nm
Architecture	Tiger Lake-U (2020−2021)	Sandy Bridge (2011−2013)
PassMark	2,077	2,093
Geekbench 6 Single	744	—
Geekbench 6 Multi	1,236	—

🧠

Memory & Platform

The Celeron 6305 uses the FCBGA1449 socket (PCIe 4.0), while the Celeron B815 uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Celeron 6305 versus DDR3-1333 on the Celeron B815 — 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 16 (Celeron B815) — the Celeron B815 offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Tiger Lake-U (Celeron 6305) and HM65,HM67,QM67,QM77 (Celeron B815).

Feature	Celeron 6305	Celeron B815
Socket	FCBGA1449	PGA988
PCIe Generation	PCIe 4.0+100%	PCIe 2.0
Max RAM Speed	DDR4-3200+33%	DDR3-1333
Max RAM Capacity	64 GB+300%	16 GB
RAM Channels	2	2
ECC Support	❌	❌
PCIe Lanes	4	16+300%

🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Celeron 6305) vs VT-x (Celeron B815). Both include integrated graphics — UHD Graphics for 11th Gen (Celeron 6305) and HD Graphics (Sandy Bridge) (Celeron B815) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 6305 targets Budget, Celeron B815 targets Budget. Direct competitor: Celeron 6305 rivals Pentium Gold 7505; Celeron B815 rivals Pentium 967.

Feature	Celeron 6305	Celeron B815
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics for 11th Gen	HD Graphics (Sandy Bridge)
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x, VT-d	VT-x
Target Use	Budget	Budget

💰

Value Analysis

The Celeron 6305 launched at $107 MSRP, while the Celeron B815 debuted at $86. At current prices ($80 vs $15), the Celeron B815 is $65 cheaper. In terms of value (PassMark points per dollar), the Celeron 6305 delivers 26.0 pts/$ vs 139.5 pts/$ for the Celeron B815 — making the Celeron B815 the 137.2% better value option.