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.

Overview

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Core 2 Duo E8135 is positioned at rank #1203 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.

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.

FPS Benchmarks

Predicted performance for Core 2 Duo E8135 across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Technical Analysis

Detailed breakdown of Core 2 Duo E8135 specifications and capabilities.

⚡

Processing Power

The Core 2 Duo E8135 is a 2-core / 2-thread processor based on the Penryn (2008−2011) architecture, manufactured on a 45 nm process node. It reaches a maximum boost clock of 0.67 GHz from a base frequency of 2.667 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 1,020, placing it in the Entry Level performance tier as a Legacy generation product.

Specification	Core 2 Duo E8135
Cores / ThreadsPhysical/logical processing units	2C / 2T
Max Boost ClockPeak single-core speed under boost	0.67 GHz
Base ClockGuaranteed minimum operating frequency	2.667 GHz
ArchitectureCPU microarchitecture design	Penryn (2008−2011)
Process NodeFabrication technology — smaller = more efficient	45 nm
L2 CachePer-core fast cache for frequently accessed data	6 MB (total)
L1 CacheUltra-fast per-core cache	64 kB (per core)
Die SizePhysical silicon area of the processor	107 mm2
Transistor CountMore transistors = more capabilities	410 million
64-bit Support	Yes
PassMark ScoreOverall multi-threaded benchmark score	1,020

🧠

Memory & Platform

The Core 2 Duo E8135 fits into the P socket and supports PCIe 1.1. It supports DDR2, DDR3 memory.

Specification	Core 2 Duo E8135
TypeDesktop or Laptop processor	Laptop
SocketMotherboard socket required	P
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth	PCIe 1.1
RAM TypeSupported memory standard	DDR2, DDR3
Max CPUs in ConfigMulti-socket support for servers	1

🌡️

Power & Cooling

The Core 2 Duo E8135 has a rated TDP (Thermal Design Power) of 44 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.

Specification	Core 2 Duo E8135
TDPThermal Design Power — heat output under sustained workload	44 Watt

💰

Value Analysis

At an average price of $15 (MSRP: $200), the Core 2 Duo E8135 delivers 68 PassMark points per dollar. It currently holds Rank #1203 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #3055 out of all indexed processors.

Specification	Core 2 Duo E8135
MSRPManufacturer's Suggested Retail Price	$200
Avg Price (30d)Average market price over the last 30 days	$15
Launch PriceOriginal retail price at launch	$249
Cost-Benefit RankPosition in overall value ranking	#1203
Performance RankPosition in overall performance ranking	#3055
Release DateLaunch date	2008-01-01
Release Year	2009
DesignerArchitecture designer (e.g. Intel, AMD)	Intel
ManufacturerFabrication foundry (e.g. TSMC)	Intel