Core 2 Duo E6400 vs Core i3-370M

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.

Core 2 Duo E6400 vs Core i3-370M FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core 2 Duo E6400 vs Core i3-370M: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core 2 Duo E6400

2006

Why buy it

✅+0.4% higher PassMark.
✅Draws 65W instead of 512W, a 447W reduction.
✅Includes a boxed cooler (true), unlike Core i3-370M.

Trade-offs

❌Launch MSRP is still $183 MSRP, while Core i3-370M mostly shows up through inconsistent older-market listings.
❌No integrated graphics, while Core i3-370M can still boot and troubleshoot without a discrete GPU.

Core i3-370M

2010

Why buy it

✅Integrated graphics onboard with Intel HD Graphics, while Core 2 Duo E6400 needs a discrete GPU.

Trade-offs

❌Lower PassMark (1,170 vs 1,175).
❌687.7% higher power demand at 512W vs 65W.
❌No boxed cooler included, unlike Core 2 Duo E6400.

Quick Answers

So, is Core 2 Duo E6400 better than Core i3-370M?

It depends on what you want from the system. For gaming, Core i3-370M is ahead with a 1.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core 2 Duo E6400 pulls ahead with 0.4% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core 2 Duo E6400 is the stronger fit. You are getting 0.4% better PassMark, backed by 2 cores and 2 threads.

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

Core 2 Duo E6400 is the better buy right now. Core 2 Duo E6400 comes in at an unclear MSRP at $183 MSRP versus unclear MSRP, and it still gives you 0.4% better PassMark. The compromise is that Core i3-370M is still the better pure gaming CPU with a 1.7% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (6.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i3-370M makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2006). That makes it the safer long-term bet.

Core 2 Duo E6400 vs Core i3-370M Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core 2 Duo E6400

The Core 2 Duo E6400 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: 2 MB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,175 points. Launch price was $249.

Core i3-370M

The Core i3-370M is manufactured by Intel. It was released in 20 June 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,170 points. Launch price was $245.

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Processing Power

The Core 2 Duo E6400 packs 2 cores / 2 threads, matching the Core i3-370M's 2 cores. Boost clocks reach 2.13 GHz on the Core 2 Duo E6400 versus 2.4 GHz on the Core i3-370M — a 11.9% clock advantage for the Core i3-370M (base: 2.13 GHz vs 2.4 GHz). The Core 2 Duo E6400 uses the Conroe (2006−2007) architecture (65 nm), while the Core i3-370M uses Arrandale (2010−2011) (32 nm). In PassMark, the Core 2 Duo E6400 scores 1,175 against the Core i3-370M's 1,170 — a 0.4% lead for the Core 2 Duo E6400. L3 cache: 0 kB on the Core 2 Duo E6400 vs 3 MB (total) on the Core i3-370M.

Feature	Core 2 Duo E6400	Core i3-370M
Cores / Threads	2 / 2	2 / 4
Boost Clock	2.13 GHz	2.4 GHz+13%
Base Clock	2.13 GHz	2.4 GHz+13%
L3 Cache	0 kB	3 MB (total)
L2 Cache	2 MB	256K (per core)+12700%
Process	65 nm	32 nm-51%
Architecture	Conroe (2006−2007)	Arrandale (2010−2011)
PassMark	1,175	1,170
Geekbench 6 Single	—	315
Geekbench 6 Multi	—	700

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Memory & Platform

The Core 2 Duo E6400 uses the LGA775 socket (PCIe 1.1), while the Core i3-370M uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to 1066 memory speed. The Core 2 Duo E6400 supports up to 16 GB of RAM compared to 8 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: P35,G31,G33,P45 (Core 2 Duo E6400) and HM55 (Core i3-370M).

Feature	Core 2 Duo E6400	Core i3-370M
Socket	LGA775	PGA988
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	1066	DDR3-1066
Max RAM Capacity	16 GB+100%	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	16

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Advanced Features

Neither processor supports overclocking. Virtualization support: true (Core 2 Duo E6400) vs VT-x, VT-d, EPT (Core i3-370M). The Core i3-370M includes integrated graphics (Intel HD Graphics), while the Core 2 Duo E6400 requires a dedicated GPU. Primary use case: Core i3-370M targets Mainstream Laptop. Direct competitor: Core 2 Duo E6400 rivals Athlon 64 X2 5400+; Core i3-370M rivals AMD Athlon II P320.