Core i3-5005U vs Core 2 Duo T5800

Core i3-5005U

2 Cores4 Thrd512 WWMax: 2 GHz2015

Core 2 Duo T5800

2 Cores2 Thrd2 WWMax: 2 GHz2008

Performance Spectrum - CPU

Core i3-5005U

2 / 4

2,012

+0.6%

2,000

0.0%

Core 2 Extreme X6800

Processor N50

Core 2 Duo T5600

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 i3-5005U is positioned at rank 362 and the Core 2 Duo T5800 is on rank 292, 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 i3-5005U

#107

Core Ultra 5 228V

MSRP: $295|Avg: $295

100%

#111

Ryzen 5 PRO 5675U

MSRP: N/A|Avg: $180

99%

#350

Atom x5-Z8300

MSRP: $20|Avg: N/A

510%

#351

Atom Z3735G

MSRP: $17|Avg: N/A

503%

#352

Core i5-480M

MSRP: $81|Avg: $77

462%

#353

Core i5-460M

MSRP: $80|Avg: $129

460%

#354

Core i5-2540M

MSRP: $266|Avg: $10

455%

#356

Core i5-450M

MSRP: $32|Avg: $31

440%

#357

Core i3-380M

MSRP: $49|Avg: $25

422%

#358

Core i5-430M

MSRP: N/A|Avg: $33

421%

#359

Core 2 Duo T6600

MSRP: N/A|Avg: $4

410%

#362

Core i3-5005U

MSRP: N/A|Avg: N/A

100%

#375

Pentium Dual Core T3200

MSRP: $64|Avg: $5

98%

Based on actual market prices and performance synthetic scores.

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 Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Core i3-5005U (2015) utilizes 14 nm technology and DDR3, providing a fundamental performance advantage.

Insight	Core i3-5005U	Core 2 Duo T5800
Gaming	Balanced gaming performance	Balanced gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Broadwell-U (2015) / 14 nm)	🛑 Legacy (Merom (2006−2008) / 65 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 i3-5005U	Core 2 Duo T5800
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 i3-5005U Benchmark Check

Core 2 Duo T5800 Benchmark Check

Technical Specifications

Side-by-side comparison of Core i3-5005U and Core 2 Duo T5800

Core i3-5005U

The Core i3-5005U 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 GHz, with boost up to 2 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: 2,012 points. Launch price was $275.

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.

⚡

Processing Power

The Core i3-5005U packs 2 cores / 4 threads, matching the Core 2 Duo T5800's 2 cores. Boost clocks reach 2 GHz on the Core i3-5005U versus 2 GHz on the Core 2 Duo T5800 — identical boost frequencies (base: 2 GHz vs 2 GHz). The Core i3-5005U uses the Broadwell-U (2015) architecture (14 nm), while the Core 2 Duo T5800 uses Merom (2006−2008) (65 nm). In PassMark, the Core i3-5005U scores 2,012 against the Core 2 Duo T5800's 2,000 — a 0.6% lead for the Core i3-5005U. L3 cache: 3 MB (total) on the Core i3-5005U vs 2 MB L2 Cache on the Core 2 Duo T5800.

Feature	Core i3-5005U	Core 2 Duo T5800
Cores / Threads	2 / 4	2 / 2
Boost Clock	2 GHz	2 GHz
Base Clock	2 GHz	2 GHz
L3 Cache	3 MB (total)+50%	2 MB L2 Cache
L2 Cache	256K (per core)	2 MB+700%
Process	14 nm-78%	65 nm
Architecture	Broadwell-U (2015)	Merom (2006−2008)
PassMark	2,012	2,000
Geekbench 6 Single	617	—
Geekbench 6 Multi	1,227	—

🧠

Memory & Platform

The Core i3-5005U uses the FCBGA1168 socket (PCIe 3.0), while the Core 2 Duo T5800 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.

Feature	Core i3-5005U	Core 2 Duo T5800
Socket	FCBGA1168	PGA478
PCIe Generation	PCIe 3.0+173%	PCIe 1.1
Max RAM Speed	DDR3L-1600	—
Max RAM Capacity	16 GB	—
RAM Channels	2	—
ECC Support	❌	—
PCIe Lanes	12	—

🔧

Advanced Features

Virtualization: true (Core i3-5005U) / not specified (Core 2 Duo T5800). The Core i3-5005U includes integrated graphics (Intel HD Graphics 5500), while the Core 2 Duo T5800 requires a dedicated GPU.