Core 2 Duo E8135 vs Celeron 3205U

CPU

GPU

Core 2 Duo E8135

2 Cores2 Thrd44 WWMax: 0.67 GHz2009

Celeron 3205U

2 Cores2 Thrd512 WWMax: 1.5 GHz2015

Performance Spectrum - CPU

Core 2 Duo E8135

2 / 2

1,020

0.0%

1,025

+0.5%

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 E8135 is positioned at rank 1203 and the Celeron 3205U is on rank 279, 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 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 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 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	Core 2 Duo E8135	Celeron 3205U
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($15)	✅ More affordable ($0)
Longevity	🛑 Legacy (Penryn (2008−2011) / 45 nm)	🛑 Legacy (Broadwell-U (2015) / 14 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	Core 2 Duo E8135	Celeron 3205U
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($15)	✅ 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 E8135 Benchmark Check

Celeron 3205U Benchmark Check

Technical Specifications

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

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.

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.

⚡

Processing Power

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

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

🧠

Memory & Platform

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

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

🔧

Advanced Features

Virtualization: not specified (Core 2 Duo E8135) / VT-x (Celeron 3205U). 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.