Celeron 3205U vs Core 2 Duo E8135

Celeron 3205U

2 Cores2 Thrd512 WWMax: 1.5 GHz2015

Core 2 Duo E8135

2 Cores2 Thrd44 WWMax: 0.67 GHz2009

Performance Spectrum - CPU

Celeron 3205U

2 / 2

1,025

+0.5%

1,020

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 Celeron 3205U is positioned at rank 279 and the Core 2 Duo E8135 is on rank 1203, so the Celeron 3205U 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 3205U

#82

Core i7-11700B

MSRP: $323|Avg: $311

98%

#83

Core i7-13700HX

MSRP: $485|Avg: N/A

97%

#266

Atom x5-Z8300

MSRP: $20|Avg: N/A

429%

#267

Atom Z3735G

MSRP: $17|Avg: N/A

423%

#268

Core i5-480M

MSRP: $81|Avg: $77

388%

#269

Core i5-460M

MSRP: $80|Avg: $129

387%

#270

Core i5-2540M

MSRP: $266|Avg: $10

383%

#272

Core i5-450M

MSRP: $32|Avg: $31

370%

#273

Core i3-380M

MSRP: $49|Avg: $25

355%

#274

Core i5-430M

MSRP: N/A|Avg: $33

354%

#275

Core 2 Duo T6600

MSRP: N/A|Avg: $4

345%

#279

Celeron 3205U

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core 2 Duo E8135

#1191

Atom x5-Z8300

MSRP: $20|Avg: N/A

5753%

#1192

Atom Z3735G

MSRP: $17|Avg: N/A

5669%

#1193

Core i5-480M

MSRP: $81|Avg: $77

5204%

#1194

Core i5-460M

MSRP: $80|Avg: $129

5180%

#1195

Core i5-2540M

MSRP: $266|Avg: $10

5133%

#1197

Core i5-450M

MSRP: $32|Avg: $31

4957%

#1198

Core i3-380M

MSRP: $49|Avg: $25

4753%

#1199

Core i5-430M

MSRP: N/A|Avg: $33

4745%

#1200

Core 2 Duo T6600

MSRP: N/A|Avg: $4

4618%

#1203

Core 2 Duo E8135

MSRP: $200|Avg: $15

100%

#1204

Core 2 Duo U7700

MSRP: $262|Avg: $10

100%

#1205

Core Duo T2400

MSRP: $294|Avg: N/A

99%

#1206

Core 2 Duo U7600

MSRP: $250|Avg: $5

99%

#1207

Pentium M 735

MSRP: $294|Avg: N/A

97%

#1208

Core i7-620LM

MSRP: $300|Avg: N/A

96%

#1209

Core i7-740QM

MSRP: $378|Avg: N/A

95%

#1211

Core 2 Solo SU3300

MSRP: $262|Avg: $50

93%

#1212

Celeron 540

MSRP: $86|Avg: $5

93%

#1213

Celeron U3600

MSRP: $134|Avg: $134

91%

#1216

Core 2 Quad Q9000

MSRP: $348|Avg: $15

90%

#1217

Core i5-2537M

MSRP: $250|Avg: N/A

90%

#1218

Core i7-720QM

MSRP: $364|Avg: N/A

89%

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 3205U (2015) utilizes 14 nm technology and DDR3, providing a fundamental performance advantage.

Insight	Celeron 3205U	Core 2 Duo E8135
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	✅ More affordable ($0)	⚠️ Higher cost ($15)
Longevity	🛑 Legacy (Broadwell-U (2015) / 14 nm)	🛑 Legacy (Penryn (2008−2011) / 45 nm)

💎 Value Proposition

The Core 2 Duo E8135 (2009) relies on 45 nm technology and DDR2, DDR3, placing it in a different performance category relative to modern standards.

Insight	Celeron 3205U	Core 2 Duo E8135
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($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 3205U Benchmark Check

Core 2 Duo E8135 Benchmark Check

Technical Specifications

Side-by-side comparison of Celeron 3205U and Core 2 Duo E8135

Celeron 3205U

The Celeron 3205U 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 2 threads. Base frequency is 1.5 GHz, with boost up to 1.5 GHz. L3 cache: 2 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: 1,025 points. Launch price was $107.

Core 2 Duo E8135

The Core 2 Duo E8135 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.667 GHz, with boost up to 0.67 GHz. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: P. Thermal design power (TDP): 44 Watt. Memory support: DDR2, DDR3. Passmark benchmark score: 1,020 points. Launch price was $249.

⚡

Processing Power

Both the Celeron 3205U and Core 2 Duo E8135 share an identical 2-core/2-thread configuration. Boost clocks reach 1.5 GHz on the Celeron 3205U versus 0.67 GHz on the Core 2 Duo E8135 — a 76.5% clock advantage for the Celeron 3205U (base: 1.5 GHz vs 2.667 GHz). The Celeron 3205U uses the Broadwell-U (2015) architecture (14 nm), while the Core 2 Duo E8135 uses Penryn (2008−2011) (45 nm). In PassMark, the Celeron 3205U scores 1,025 against the Core 2 Duo E8135's 1,020 — a 0.5% lead for the Celeron 3205U.

Feature	Celeron 3205U	Core 2 Duo E8135
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.5 GHz+124%	0.67 GHz
Base Clock	1.5 GHz	2.667 GHz+78%
L3 Cache	2 MB (total)	—
L2 Cache	256K (per core)	6 MB (total)+2300%
Process	14 nm-69%	45 nm
Architecture	Broadwell-U (2015)	Penryn (2008−2011)
PassMark	1,025	1,020
Geekbench 6 Single	287	—
Geekbench 6 Multi	483	—

🧠

Memory & Platform

The Celeron 3205U uses the FCBGA1168 socket (PCIe 3.0), while the Core 2 Duo E8135 uses P (PCIe 1.1) — making them incompatible on the same motherboard.

Feature	Celeron 3205U	Core 2 Duo E8135
Socket	FCBGA1168	P
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	16	—

🔧

Advanced Features

Virtualization: VT-x (Celeron 3205U) / not specified (Core 2 Duo E8135). The Celeron 3205U includes integrated graphics (HD Graphics (Broadwell)), while the Core 2 Duo E8135 requires a dedicated GPU. Primary use case: Celeron 3205U targets Budget. Direct competitor: Celeron 3205U rivals Pentium 2117U.