Core 2 Duo T5800 vs Core i3-5015U

CPU

GPU

Core 2 Duo T5800

2 Cores2 Thrd2 WWMax: 2 GHz2008

Core i3-5015U

2 Cores4 Thrd512 WWMax: 2.1 GHz2015

Performance Spectrum - CPU

Core 2 Duo T5800

2 / 2

2,000

+0.5%

Core 2 Extreme X6800

Processor N50

Core 2 Duo T5600

Pentium Dual Core T2390

1,990

0.0%

Celeron N3350

Celeron G1610T

Core i5-4202Y

Pentium Dual Core T2390

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 T5800 is positioned at rank 292 and the Core i3-5015U is on rank 648, so the Core 2 Duo T5800 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 T5800

#83

Core i7-13700HX

MSRP: $485|Avg: N/A

99%

#86

Ryzen AI 9 HX PRO 370

MSRP: $500|Avg: $500

99%

#280

Atom x5-Z8300

MSRP: $20|Avg: N/A

440%

#281

Atom Z3735G

MSRP: $17|Avg: N/A

434%

#282

Core i5-480M

MSRP: $81|Avg: $77

398%

#283

Core i5-460M

MSRP: $80|Avg: $129

396%

#284

Core i5-2540M

MSRP: $266|Avg: $10

393%

#286

Core i5-450M

MSRP: $32|Avg: $31

379%

#287

Core i3-380M

MSRP: $49|Avg: $25

364%

#288

Core i5-430M

MSRP: N/A|Avg: $33

363%

#289

Core 2 Duo T6600

MSRP: N/A|Avg: $4

353%

#292

Core 2 Duo T5800

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i3-5015U

#636

Atom x5-Z8300

MSRP: $20|Avg: N/A

885%

#637

Atom Z3735G

MSRP: $17|Avg: N/A

872%

#638

Core i5-480M

MSRP: $81|Avg: $77

800%

#639

Core i5-460M

MSRP: $80|Avg: $129

797%

#640

Core i5-2540M

MSRP: $266|Avg: $10

789%

#642

Core i5-450M

MSRP: $32|Avg: $31

762%

#643

Core i3-380M

MSRP: $49|Avg: $25

731%

#644

Core i5-430M

MSRP: N/A|Avg: $33

730%

#645

Core 2 Duo T6600

MSRP: N/A|Avg: $4

710%

#648

Core i3-5015U

MSRP: N/A|Avg: N/A

100%

#650

Core i5-1345UE

MSRP: $312|Avg: $312

100%

#662

Athlon II P360

MSRP: $60|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 Core i3-5015U (2015) utilizes 14 nm technology and DDR3, providing a fundamental performance advantage.

Insight	Core 2 Duo T5800	Core i3-5015U
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Merom (2006−2008) / 65 nm)	🛑 Legacy (Broadwell-U (2015) / 14 nm)

💎 Value Proposition

The Core 2 Duo T5800 (2008) relies on 65 nm technology and older memory, placing it in a different performance category relative to modern standards.

Insight	Core 2 Duo T5800	Core i3-5015U
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	Equivalent pricing	Equivalent pricing

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 T5800 Benchmark Check

Core i3-5015U Benchmark Check

Technical Specifications

Side-by-side comparison of Core 2 Duo T5800 and Core i3-5015U

Core 2 Duo T5800

The Core 2 Duo T5800 is manufactured by Intel. It was released in 2008-01-01. It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,000 points. Launch price was $249.

Core i3-5015U

The Core i3-5015U is manufactured by Intel. It was released in 1 March 2015 (10 years ago). It is based on the Broadwell-U (2015) architecture. It features 2 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,990 points. Launch price was $275.

⚡

Processing Power

The Core 2 Duo T5800 packs 2 cores / 2 threads, matching the Core i3-5015U's 2 cores. Boost clocks reach 2 GHz on the Core 2 Duo T5800 versus 2.1 GHz on the Core i3-5015U — a 4.9% clock advantage for the Core i3-5015U (base: 2 GHz vs 2.1 GHz). The Core 2 Duo T5800 uses the Merom (2006−2008) architecture (65 nm), while the Core i3-5015U uses Broadwell-U (2015) (14 nm). In PassMark, the Core 2 Duo T5800 scores 2,000 against the Core i3-5015U's 1,990 — a 0.5% lead for the Core 2 Duo T5800. L3 cache: 2 MB L2 Cache on the Core 2 Duo T5800 vs 3 MB (total) on the Core i3-5015U.

Feature	Core 2 Duo T5800	Core i3-5015U
Cores / Threads	2 / 2	2 / 4
Boost Clock	2 GHz	2.1 GHz+5%
Base Clock	2 GHz	2.1 GHz+5%
L3 Cache	2 MB L2 Cache	3 MB (total)+50%
L2 Cache	2 MB+700%	256K (per core)
Process	65 nm	14 nm-78%
Architecture	Merom (2006−2008)	Broadwell-U (2015)
PassMark	2,000	1,990

🧠

Memory & Platform

The Core 2 Duo T5800 uses the PGA478 socket (PCIe 1.1), while the Core i3-5015U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core 2 Duo T5800	Core i3-5015U
Socket	PGA478	FCBGA1168
PCIe Generation	PCIe 1.1	PCIe 3.0+173%
Max RAM Speed	—	DDR3L-1600
Max RAM Capacity	—	16 GB
RAM Channels	—	2
ECC Support	—	❌
PCIe Lanes	—	12

🔧

Advanced Features

Virtualization: not specified (Core 2 Duo T5800) / VT-x, VT-d (Core i3-5015U). The Core i3-5015U includes integrated graphics (HD Graphics 5500), while the Core 2 Duo T5800 requires a dedicated GPU. Primary use case: Core i3-5015U targets Mobile.