Core 2 Duo E6300 vs Core 2 Duo E7400

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Core 2 Duo E6300

2006

Why buy it

✅+1.2% higher PassMark.

Trade-offs

❌Launch MSRP is still $163 MSRP, while Core 2 Duo E7400 mostly shows up through inconsistent older-market listings.

Core 2 Duo E7400

2008

Why buy it

Trade-offs

❌Lower PassMark (1,043 vs 1,055).

Core 2 Duo E6300

2006

Core 2 Duo E7400

2008

Why buy it

✅+1.2% higher PassMark.

Why buy it

Trade-offs

❌Launch MSRP is still $163 MSRP, while Core 2 Duo E7400 mostly shows up through inconsistent older-market listings.

Trade-offs

❌Lower PassMark (1,043 vs 1,055).

Quick Answers

So, is Core 2 Duo E6300 better than Core 2 Duo E7400?

It depends on what matters more to you. For gaming, Core 2 Duo E7400 is ahead with 49.7% higher max boost clock. For rendering, compiling, streaming, and heavier multitasking, Core 2 Duo E6300 pulls ahead with 1.2% better PassMark.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core 2 Duo E6300 is the better fit. You are getting 1.2% better PassMark, backed by 2 cores and 2 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Core 2 Duo E6300 is the smarter buy today. Core 2 Duo E6300 is at an unclear MSRP at $163 MSRP versus unclear MSRP, and it gives you 1.2% better PassMark. The trade-off is that Core 2 Duo E7400 is still the better pure gaming CPU with 49.7% higher max boost clock. It is also 100.0% better value on MSRP (6.5 vs 0.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

Which one is more future-proof for 2026 and beyond?

Core 2 Duo E7400 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2008 vs 2006). That makes it the safer long-term pick.

Games Benchmarks

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 E6300 Benchmark Check

Core 2 Duo E7400 Benchmark Check

Path of Exile 2

Preset	Core 2 Duo E6300	Core 2 Duo E7400
1080p
low	26 FPS	26 FPS
medium	26 FPS	26 FPS
high	26 FPS	26 FPS
ultra	26 FPS	26 FPS
1440p
low	26 FPS	26 FPS
medium	26 FPS	26 FPS
high	26 FPS	26 FPS
ultra	26 FPS	26 FPS
4K
low	26 FPS	26 FPS
medium	26 FPS	26 FPS
high	26 FPS	26 FPS
ultra	26 FPS	26 FPS

Open Core 2 Duo E6300 Open Core 2 Duo E7400

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core 2 Duo E6300	Core 2 Duo E7400
1080p
low	26 FPS	26 FPS
medium	26 FPS	26 FPS
high	26 FPS	26 FPS
ultra	26 FPS	26 FPS
1440p
low	26 FPS	26 FPS
medium	26 FPS	26 FPS
high	26 FPS	26 FPS
ultra	26 FPS	26 FPS
4K
low	26 FPS	26 FPS
medium	26 FPS	26 FPS
high	26 FPS	26 FPS
ultra	19 FPS	26 FPS

Open Core 2 Duo E6300 Open Core 2 Duo E7400

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core 2 Duo E6300	Core 2 Duo E7400
1080p
low	26 FPS	26 FPS
medium	26 FPS	26 FPS
high	26 FPS	26 FPS
ultra	26 FPS	26 FPS
1440p
low	26 FPS	26 FPS
medium	26 FPS	26 FPS
high	26 FPS	26 FPS
ultra	26 FPS	26 FPS
4K
low	26 FPS	26 FPS
medium	26 FPS	26 FPS
high	26 FPS	26 FPS
ultra	26 FPS	26 FPS

Open Core 2 Duo E6300 Open Core 2 Duo E7400

League of Legends

League of Legends

Valorant

Preset	Core 2 Duo E6300	Core 2 Duo E7400
1080p
low	26 FPS	26 FPS
medium	26 FPS	26 FPS
high	26 FPS	26 FPS
ultra	26 FPS	26 FPS
1440p
low	26 FPS	26 FPS
medium	26 FPS	26 FPS
high	26 FPS	26 FPS
ultra	26 FPS	26 FPS
4K
low	26 FPS	26 FPS
medium	26 FPS	26 FPS
high	26 FPS	26 FPS
ultra	26 FPS	26 FPS

Open Core 2 Duo E6300 Open Core 2 Duo E7400

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core 2 Duo E6300 and Core 2 Duo E7400

Core 2 Duo E6300

The Core 2 Duo E6300 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 1.86 GHz, with boost up to 1.87 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,055 points. Launch price was $249.

Core 2 Duo E7400

The Core 2 Duo E7400 is manufactured by Intel. It was released in 2008-01-01. It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 3 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,043 points. Launch price was $249.

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Processing Power

Both the Core 2 Duo E6300 and Core 2 Duo E7400 share an identical 2-core/2-thread configuration. Boost clocks reach 1.87 GHz on the Core 2 Duo E6300 versus 2.8 GHz on the Core 2 Duo E7400 — a 39.8% clock advantage for the Core 2 Duo E7400 (base: 1.86 GHz vs 2.8 GHz). The Core 2 Duo E6300 uses the Conroe (2006−2007) architecture (65 nm), while the Core 2 Duo E7400 uses Wolfdale (2008−2010) (45 nm). In PassMark, the Core 2 Duo E6300 scores 1,055 against the Core 2 Duo E7400's 1,043 — a 1.1% lead for the Core 2 Duo E6300. Both processors carry 0 kB of L3 cache.

Feature	Core 2 Duo E6300	Core 2 Duo E7400
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.87 GHz	2.8 GHz+50%
Base Clock	1.86 GHz	2.8 GHz+51%
L3 Cache	0 kB	0 kB
L2 Cache	2 MB	3 MB (total)+50%
Process	65 nm	45 nm-31%
Architecture	Conroe (2006−2007)	Wolfdale (2008−2010)
PassMark	1,055+1%	1,043

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Memory & Platform

Both processors use the LGA775 socket with PCIe 1.1. Both support up to 1066 memory speed. Both support up to 16 of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: P35,G31,G33,P45 (Core 2 Duo E6300) and P35,G31,G33,P45 (Core 2 Duo E7400).

Feature	Core 2 Duo E6300	Core 2 Duo E7400
Socket	LGA775	LGA775
PCIe Generation	PCIe 1.1	PCIe 1.1
Max RAM Speed	1066	1066
Max RAM Capacity	16	16
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	16

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Advanced Features

Neither processor supports overclocking. Both support true virtualization. Direct competitor: Core 2 Duo E6300 rivals Athlon 64 X2 3800+; Core 2 Duo E7400 rivals Athlon II X2 245.