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 E6420 is manufactured by Intel. It was released in 2008-01-01. It is based on the Conroe (2006−2007) architecture. It features 2 cores and 2 threads. Base frequency is 2.13 GHz, with boost up to 2.13 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,235 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 E6420 is positioned at rank #1054 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 E6420

Ryzen 9 7950X

MSRP: $194|Avg: $20

46180%

Core i9-10900T

MSRP: $120|Avg: $5

43636%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

31683%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

9545%

Ryzen 9 9950X

MSRP: $649|Avg: $129

7560%

Ryzen 5 8400F

MSRP: $303|Avg: $55

6614%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

3788%

Ryzen 5 2600X

MSRP: $229|Avg: $55

3739%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

3404%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

3404%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

3366%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

3275%

#13

Core i3-9100E

MSRP: $202|Avg: $30

3229%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

3216%

#15

Core i3-8300T

MSRP: $138|Avg: $25

3187%

#1054

Core 2 Duo E6420

MSRP: $183|Avg: $10

100%

#1055

Phenom X4 9600B

MSRP: $278|Avg: $20

98%

#1056

Pentium D 940

MSRP: $132|Avg: $15

98%

#1057

Phenom II X3 B77

MSRP: $281|Avg: $35

97%

#1058

Core 2 Duo E6300

MSRP: $163|Avg: $5

96%

#1059

Core 2 Duo E6400

MSRP: $183|Avg: $10

95%

#1060

Core 2 Duo E8300

MSRP: $163|Avg: $20

94%

#1061

Phenom X4 9500

MSRP: $247|Avg: $30

94%

#1062

Celeron D 352

MSRP: $69|Avg: $15

90%

#1063

Core i7-970

MSRP: $1083|Avg: $289

90%

#1064

Core i7-880

MSRP: $583|Avg: $40

87%

#1065

Pentium D 820

MSRP: $241|Avg: $20

87%

#1066

Celeron 2.10

MSRP: $49|Avg: $49

86%

#1067

Core i7-950

MSRP: $562|Avg: $15

86%

#1068

Sempron 3100+

MSRP: $65|Avg: $15

85%

#1069

Athlon II X4 635

MSRP: $400|Avg: $250

83%

Based on actual market prices and performance synthetic scores.

FPS Benchmarks

Predicted performance for Core 2 Duo E6420 across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Technical Analysis

Detailed breakdown of Core 2 Duo E6420 specifications and capabilities.

⚡

Processing Power

The Core 2 Duo E6420 is a 2-core / 2-thread processor based on the Conroe (2006−2007) architecture, manufactured on a 65 nm process node. It reaches a maximum boost clock of 2.13 GHz from a base frequency of 2.13 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 0 kB of L3 cache, plus 4 MB of L2 cache and 64 kB of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 1,235, placing it in the Entry Level performance tier as a Legacy generation product.

Specification	Core 2 Duo E6420
Cores / ThreadsPhysical/logical processing units	2C / 2T
Max Boost ClockPeak single-core speed under boost	2.13 GHz
Base ClockGuaranteed minimum operating frequency	2.13 GHz
ArchitectureCPU microarchitecture design	Conroe (2006−2007)
Process NodeFabrication technology — smaller = more efficient	65 nm
L3 CacheShared cache — reduces memory latency for all cores	0 kB
L2 CachePer-core fast cache for frequently accessed data	4 MB
L1 CacheUltra-fast per-core cache	64 kB
Die SizePhysical silicon area of the processor	111 mm2
Transistor CountMore transistors = more capabilities	167 million
Bus SpeedData bus frequency	1066 MHz
Max TemperatureMaximum safe operating temperature (Tjmax)	60 °C
64-bit Support	Yes
Windows 11 Compatible	No
Core Voltage Range	0.85V-1.5V
PassMark ScoreOverall multi-threaded benchmark score	1,235

🧠

Memory & Platform

The Core 2 Duo E6420 fits into the LGA775 socket and supports PCIe 1.1 with 16 total PCIe lanes for expansion cards and storage. It supports DDR1, DDR2, DDR3 memory at speeds up to 1066 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 16 across 2 channels (dual-channel doubles bandwidth). Integrated graphics: None — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.

Specification	Core 2 Duo E6420
TypeDesktop or Laptop processor	desktop
SocketMotherboard socket required	LGA775
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth	PCIe 1.1
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion	16
RAM TypeSupported memory standard	DDR1, DDR2, DDR3
Max RAM SpeedMaximum officially supported memory frequency	1066
Max RAM CapacityMaximum installable memory	16
RAM ChannelsDual-channel doubles bandwidth vs single-channel	2
ECC SupportError-Correcting Code memory — prevents data corruption	No
Integrated GPUBuilt-in graphics processor	None
Compatible ChipsetsMotherboard chipsets that support this CPU	P35,G31,G33,P45
Max CPUs in ConfigMulti-socket support for servers	1

🔧

Advanced Features

Virtualization: true — enables running virtual machines efficiently (important for development and server workloads). Its primary market competitor is the Athlon 64 X2 5400+.

Specification	Core 2 Duo E6420
OverclockingWhether CPU clock can be manually increased	🔒 Locked
AVX-512Advanced vector instructions for AI/ML workloads	❌ Not Supported
VirtualizationHardware-assisted virtualization technology	true
Direct CompetitorMarket equivalent from rival manufacturer	Athlon 64 X2 5400+

🌡️

Power & Cooling

The Core 2 Duo E6420 has a rated TDP (Thermal Design Power) of 65 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed. It ships with the true stock cooler. Recommended cooling: Stock Cooler.

Specification	Core 2 Duo E6420
TDPThermal Design Power — heat output under sustained workload	65 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)	60 °C
Included CoolerStock cooler bundled in the box	true
Recommended CoolerSuggested aftermarket cooling solution	Stock Cooler

💰

Value Analysis

At an average price of $10 (MSRP: $183), the Core 2 Duo E6420 delivers 124 PassMark points per dollar. It currently holds Rank #1054 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #3188 out of all indexed processors.

Specification	Core 2 Duo E6420
MSRPManufacturer's Suggested Retail Price	$183
Avg Price (30d)Average market price over the last 30 days	$10
Launch PriceOriginal retail price at launch	$249
Cost-Benefit RankPosition in overall value ranking	#1054
Performance RankPosition in overall performance ranking	#3188
Release DateLaunch date	2008-01-01
Release Year	2007
DesignerArchitecture designer (e.g. Intel, AMD)	Intel