Core 2 Duo U7700 vs Celeron N2840

Core 2 Duo U7700

2 Cores2 Thrd2 WWMax: 1.33 GHz2006

Celeron N2840

2 Cores2 Thrd7 WWMax: 2.58 GHz2014

Performance Spectrum - CPU

Core 2 Duo U7700

2 / 2

1,335

+0.3%

1,331

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 Duo U7700 is positioned at rank 1203 and the Celeron N2840 is on rank 157, so the Celeron N2840 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 Duo U7700

#1190

Atom x5-Z8300

MSRP: $20|Avg: N/A

5753%

#1191

Atom Z3735G

MSRP: $17|Avg: N/A

5669%

#1192

Core i5-480M

MSRP: $81|Avg: $77

5204%

#1193

Core i5-460M

MSRP: $80|Avg: $129

5180%

#1194

Core i5-2540M

MSRP: $266|Avg: $10

5133%

#1196

Core i5-450M

MSRP: $32|Avg: $31

4957%

#1197

Core i3-380M

MSRP: $49|Avg: $25

4753%

#1198

Core i5-430M

MSRP: N/A|Avg: $33

4745%

#1199

Core 2 Duo T6600

MSRP: N/A|Avg: $4

4618%

#1202

Core 2 Duo E8135

MSRP: $200|Avg: $15

100%

#1203

Core 2 Duo U7700

MSRP: $262|Avg: $10

100%

#1204

Core Duo T2400

MSRP: $294|Avg: N/A

99%

#1205

Core 2 Duo U7600

MSRP: $250|Avg: $5

99%

#1206

Pentium M 735

MSRP: $294|Avg: N/A

97%

#1207

Core i7-620LM

MSRP: $300|Avg: N/A

96%

#1208

Core i7-740QM

MSRP: $378|Avg: N/A

95%

#1210

Core 2 Solo SU3300

MSRP: $262|Avg: $50

93%

#1211

Celeron 540

MSRP: $86|Avg: $5

93%

#1212

Celeron U3600

MSRP: $134|Avg: $134

91%

#1215

Core 2 Quad Q9000

MSRP: $348|Avg: $15

90%

#1216

Core i5-2537M

MSRP: $250|Avg: N/A

90%

#1217

Core i7-720QM

MSRP: $364|Avg: N/A

89%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Celeron N2840

#42

Ryzen 9 9955HX3D

MSRP: $749|Avg: N/A

99%

#145

Atom x5-Z8300

MSRP: $20|Avg: N/A

331%

#146

Atom Z3735G

MSRP: $17|Avg: N/A

326%

#147

Core i5-480M

MSRP: $81|Avg: $77

299%

#148

Core i5-460M

MSRP: $80|Avg: $129

298%

#149

Core i5-2540M

MSRP: $266|Avg: $10

295%

#151

Core i5-450M

MSRP: $32|Avg: $31

285%

#152

Core i3-380M

MSRP: $49|Avg: $25

273%

#153

Core i5-430M

MSRP: N/A|Avg: $33

273%

#154

Core 2 Duo T6600

MSRP: N/A|Avg: $4

265%

#157

Celeron N2840

MSRP: N/A|Avg: N/A

100%

#158

Core i5-3210M

MSRP: $225|Avg: $30

99%

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 N2840 (2014) utilizes 22 nm technology and DDR3, providing a fundamental performance advantage.

Insight	Core 2 Duo U7700	Celeron N2840
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	⚠️ Higher cost ($10)	✅ More affordable ($0)
Longevity	🛑 Legacy (Merom-2048 (2006−2008) / 65 nm)	🛑 Legacy (Bay Trail-M (2013−2014) / 22 nm)

💎 Value Proposition

The Core 2 Duo U7700 (2006) relies on 65 nm technology and older memory, placing it in a different performance category relative to modern standards.

Insight	Core 2 Duo U7700	Celeron N2840
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($10)	✅ 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.

Core 2 Duo U7700 Benchmark Check

Celeron N2840 Benchmark Check

Technical Specifications

Side-by-side comparison of Core 2 Duo U7700 and Celeron N2840

Core 2 Duo U7700

The Core 2 Duo U7700 is manufactured by Intel. It was released in 2008-01-01. It is based on the Merom-2048 (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 1.33 GHz, with boost up to 1.33 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: P. Thermal design power (TDP): 10 Watt. Passmark benchmark score: 1,335 points. Launch price was $249.

Celeron N2840

The Celeron N2840 is manufactured by Intel. It was released in 2007-01-01. It is based on the Bay Trail-M (2013−2014) architecture. It features 2 cores and 2 threads. Base frequency is 2.16 GHz, with boost up to 2.58 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 7.5 Watt. Memory support: DDR3. Passmark benchmark score: 1,331 points. Launch price was $69.

⚡

Processing Power

Both the Core 2 Duo U7700 and Celeron N2840 share an identical 2-core/2-thread configuration. Boost clocks reach 1.33 GHz on the Core 2 Duo U7700 versus 2.58 GHz on the Celeron N2840 — a 63.9% clock advantage for the Celeron N2840 (base: 1.33 GHz vs 2.16 GHz). The Core 2 Duo U7700 uses the Merom-2048 (2006−2008) architecture (65 nm), while the Celeron N2840 uses Bay Trail-M (2013−2014) (22 nm). In PassMark, the Core 2 Duo U7700 scores 1,335 against the Celeron N2840's 1,331 — a 0.3% lead for the Core 2 Duo U7700. Both processors carry 0 kB of L3 cache.

Feature	Core 2 Duo U7700	Celeron N2840
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.33 GHz	2.58 GHz+94%
Base Clock	1.33 GHz	2.16 GHz+62%
L3 Cache	0 kB	0 kB
L2 Cache	2 MB+300%	512K (per core)
Process	65 nm	22 nm-66%
Architecture	Merom-2048 (2006−2008)	Bay Trail-M (2013−2014)
PassMark	1,335	1,331
Geekbench 6 Single	—	230
Geekbench 6 Multi	—	430

🧠

Memory & Platform

The Core 2 Duo U7700 uses the P socket (PCIe 1.1), while the Celeron N2840 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Core 2 Duo U7700	Celeron N2840
Socket	P	FCBGA1170
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	—	DDR3L-1333
Max RAM Capacity	—	8 GB
RAM Channels	—	2
ECC Support	—	❌
PCIe Lanes	—	4

🔧

Advanced Features

Virtualization: not specified (Core 2 Duo U7700) / VT-x (Celeron N2840). The Celeron N2840 includes integrated graphics (Intel HD Graphics (Bay Trail)), while the Core 2 Duo U7700 requires a dedicated GPU. Primary use case: Celeron N2840 targets Netbook. Direct competitor: Celeron N2840 rivals AMD A6-6310.