Core 2 Quad Q6700 vs Celeron B815

Core 2 Quad Q6700

4 Cores4 Thrd95 WWMax: 2.67 GHz2007

Celeron B815

2 Cores2 Thrd0 WWMax: 1.6 GHz2012

Performance Spectrum - CPU

Core 2 Quad Q6700

4 / 4

2,092

0.0%

2,093

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 Core 2 Quad Q6700 is positioned at rank 1079 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 Core 2 Quad Q6700

Ryzen 9 7950X

MSRP: $194|Avg: $20

78915%

Core i9-10900T

MSRP: $120|Avg: $5

74567%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

54142%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

16311%

Ryzen 9 9950X

MSRP: $649|Avg: $129

12920%

Ryzen 5 8400F

MSRP: $303|Avg: $55

11302%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

6473%

Ryzen 5 2600X

MSRP: $229|Avg: $55

6389%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

5817%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

5817%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

5752%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

5596%

#13

Core i3-9100E

MSRP: $202|Avg: $30

5518%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

5496%

#15

Core i3-8300T

MSRP: $138|Avg: $25

5446%

#1079

Core 2 Quad Q6700

MSRP: $530|Avg: $50

100%

#1080

Athlon 64 2600+

MSRP: $100|Avg: $5

99%

#1081

Celeron 2.20

MSRP: $79|Avg: $15

98%

#1082

Athlon 64 X2 5200+

MSRP: $420|Avg: $15

91%

#1083

Athlon 64 X2 4000+

MSRP: $328|Avg: $10

91%

#1084

Core i7-975

MSRP: $999|Avg: $50

89%

#1085

Athlon XP 2600+

MSRP: $98|Avg: $10

88%

#1086

Core i7-965

MSRP: $1000|Avg: $40

87%

#1087

Athlon 64 FX-74

MSRP: $499|Avg: $50

84%

#1088

Athlon 64 2000+

MSRP: $100|Avg: $20

84%

#1089

Core 2 Extreme QX9770

MSRP: $1399|Avg: $1399

84%

#1090

Athlon 64 X2 5600+

MSRP: $505|Avg: $15

84%

#1091

Athlon 64 X2 5400+

MSRP: $485|Avg: $78

83%

#1092

Celeron 2.30

MSRP: $100|Avg: $10

82%

#1093

Phenom X4 9450e

MSRP: $450|Avg: $430

82%

#1094

Athlon 64 X2 3800+

MSRP: $354|Avg: $20

78%

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

Performance Trade-off: The Core 2 Quad Q6700 leads in gaming performance. However, the Celeron B815 is the stronger candidate for professional workloads, offering 0% greater multi-core processing power.

Insight	Core 2 Quad Q6700	Celeron B815
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($50)	✅ More affordable ($15)
Longevity	🛑 Legacy (Kentsfield (2007) / 65 nm)	🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)

💎 Value Proposition

Efficiency: Even within a comparison of older hardware, the Celeron B815 stands out as the superior choice. It is effectively 70% cheaper ($15 vs $50) while identifying as the stronger performer.

Insight	Core 2 Quad Q6700	Celeron B815
Cost Efficiency	❌ Lower cost efficiency	✅ Better overall value (+233%)
Upfront Cost	⚠️ Higher cost ($50)	✅ 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.

Core 2 Quad Q6700 Benchmark Check

Celeron B815 Benchmark Check

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core 2 Quad Q6700 and Celeron B815

Core 2 Quad Q6700

The Core 2 Quad Q6700 is manufactured by Intel. It was released in 2008-01-01. It is based on the Kentsfield (2007) architecture. It features 4 cores and 4 threads. Base frequency is 2.66 GHz, with boost up to 2.67 GHz. L3 cache: 0 kB. L2 cache: 8 MB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 105 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 2,092 points. Launch price was $249.

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

The Core 2 Quad Q6700 packs 4 cores / 4 threads, while the Celeron B815 offers 2 cores / 2 threads — the Core 2 Quad Q6700 has 2 more cores. Boost clocks reach 2.67 GHz on the Core 2 Quad Q6700 versus 1.6 GHz on the Celeron B815 — a 50.1% clock advantage for the Core 2 Quad Q6700 (base: 2.66 GHz vs 1.6 GHz). The Core 2 Quad Q6700 uses the Kentsfield (2007) architecture (65 nm), while the Celeron B815 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core 2 Quad Q6700 scores 2,092 against the Celeron B815's 2,093 — a 0% lead for the Celeron B815. L3 cache: 0 kB on the Core 2 Quad Q6700 vs 2 MB (total) on the Celeron B815.

Feature	Core 2 Quad Q6700	Celeron B815
Cores / Threads	4 / 4+100%	2 / 2
Boost Clock	2.67 GHz+67%	1.6 GHz
Base Clock	2.66 GHz+66%	1.6 GHz
L3 Cache	0 kB	2 MB (total)
L2 Cache	8 MB (total)+3100%	256K (per core)
Process	65 nm	32 nm-51%
Architecture	Kentsfield (2007)	Sandy Bridge (2011−2013)
PassMark	2,092	2,093

🧠

Memory & Platform

The Core 2 Quad Q6700 uses the LGA775 socket (PCIe 1.1), while the Celeron B815 uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Core 2 Quad Q6700 versus DDR3-1333 on the Celeron B815 — the Celeron B815 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron B815 supports up to 16 GB of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Core 2 Quad Q6700) vs 16 (Celeron B815) — the Celeron B815 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: P45,G45 (Core 2 Quad Q6700) and HM65,HM67,QM67,QM77 (Celeron B815).

Feature	Core 2 Quad Q6700	Celeron B815
Socket	LGA775	PGA988
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	DDR2-800	DDR3-1333+50%
Max RAM Capacity	8 GB	16 GB+100%
RAM Channels	2	2
ECC Support	❌	❌
PCIe Lanes	0	16

🔧

Advanced Features

Neither processor supports overclocking. Both support VT-x virtualization. The Celeron B815 includes integrated graphics (HD Graphics (Sandy Bridge)), while the Core 2 Quad Q6700 requires a dedicated GPU. Primary use case: Celeron B815 targets Budget. Direct competitor: Celeron B815 rivals Pentium 967.

Feature	Core 2 Quad Q6700	Celeron B815
Integrated GPU	No	Yes
IGPU Model	—	HD Graphics (Sandy Bridge)
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x	VT-x
Target Use	—	Budget

💰

Value Analysis

The Core 2 Quad Q6700 launched at $530 MSRP, while the Celeron B815 debuted at $86. At current prices ($50 vs $15), the Celeron B815 is $35 cheaper. In terms of value (PassMark points per dollar), the Core 2 Quad Q6700 delivers 41.8 pts/$ vs 139.5 pts/$ for the Celeron B815 — making the Celeron B815 the 107.7% better value option.