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 P8400 vs Core i7-4500U 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 P8400 vs Core i7-4500U: 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 P8400

2008

Why buy it

✅+0.3% higher PassMark.
✅Costs $189 less on MSRP ($209 MSRP vs $398 MSRP).
✅Delivers 91.0% more PassMark for each dollar spent, at 11.9 vs 6.3 PassMark/$ ($209 MSRP vs $398 MSRP).
✅Draws 3W instead of 512W, a 509W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-4500U across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (3 MB vs 4 MB).
❌No integrated graphics, while Core i7-4500U can still boot and troubleshoot without a discrete GPU.

Core i7-4500U

2013

Why buy it

✅Better for gaming: +3.4% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (4 MB vs 3 MB).
✅100+% more PCIe lanes (12 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel HD Graphics 4400, while Core 2 Duo P8400 needs a discrete GPU.

Trade-offs

❌Lower PassMark (2,490 vs 2,497).
❌Lower PassMark per dollar, at 6.3 vs 11.9 PassMark/$ ($398 MSRP vs $209 MSRP).
❌16966.7% higher power demand at 512W vs 3W.

Quick Answers

So, is Core 2 Duo P8400 better than Core i7-4500U?

It depends on what you want from the system. For gaming, Core i7-4500U is ahead with a 3.4% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core 2 Duo P8400 pulls ahead with 0.3% better PassMark. Core i7-4500U also has the bigger cache pool with 33.3% larger total L3 cache (4 MB vs 3 MB).

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

For streaming, content creation, and heavier multitasking, Core 2 Duo P8400 is the stronger fit. You are getting 0.3% better PassMark, backed by 2 cores and 2 threads.

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

Core 2 Duo P8400 is the better buy right now. Core 2 Duo P8400 comes in $189 cheaper on MSRP at $209 MSRP versus $398 MSRP, and it still gives you 0.3% better PassMark. The compromise is that Core i7-4500U is still the better pure gaming CPU with a 3.4% average FPS lead across 50 shared CPU game tests in our data. It is also 91.0% better value on MSRP (11.9 vs 6.3 PassMark/$), 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 i7-4500U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2008) and 33.3% larger total L3 cache (4 MB vs 3 MB). That makes it the safer long-term bet.

Core 2 Duo P8400 vs Core i7-4500U Technical Specifications

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

Core 2 Duo P8400

The Core 2 Duo P8400 is manufactured by Intel. It was released in 15 July 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.26 GHz, with boost up to 2.26 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 25 Watt. Passmark benchmark score: 2,497 points. Launch price was $209.

Core i7-4500U

The Core i7-4500U is manufactured by Intel. It was released in 4 June 2013 (12 years ago). It is based on the Haswell-ULT (2013) architecture. It features 2 cores and 4 threads. Base frequency is 1.8 GHz, with boost up to 3 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 2,490 points. Launch price was $69.

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Processing Power

The Core 2 Duo P8400 packs 2 cores / 2 threads, matching the Core i7-4500U's 2 cores. Boost clocks reach 2.26 GHz on the Core 2 Duo P8400 versus 3 GHz on the Core i7-4500U — a 28.1% clock advantage for the Core i7-4500U (base: 2.26 GHz vs 1.8 GHz). The Core 2 Duo P8400 uses the Penryn (2008−2011) architecture (45 nm), while the Core i7-4500U uses Haswell-ULT (2013) (22 nm). In PassMark, the Core 2 Duo P8400 scores 2,497 against the Core i7-4500U's 2,490 — a 0.3% lead for the Core 2 Duo P8400. L3 cache: 3 MB L2 Cache on the Core 2 Duo P8400 vs 4 MB (total) on the Core i7-4500U.

Feature	Core 2 Duo P8400	Core i7-4500U
Cores / Threads	2 / 2	2 / 4
Boost Clock	2.26 GHz	3 GHz+33%
Base Clock	2.26 GHz+26%	1.8 GHz
L3 Cache	3 MB L2 Cache	4 MB (total)+33%
L2 Cache	3 MB	256K (per core)+8433%
Process	45 nm	22 nm-51%
Architecture	Penryn (2008−2011)	Haswell-ULT (2013)
PassMark	2,497	2,490

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Memory & Platform

The Core 2 Duo P8400 uses the PGA478 socket (PCIe 1.1), while the Core i7-4500U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1066 on the Core 2 Duo P8400 versus 1600 on the Core i7-4500U — the Core i7-4500U supports 50.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-4500U supports up to 16 of RAM compared to 8 — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Core 2 Duo P8400) vs 12 (Core i7-4500U) — the Core i7-4500U offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: GM45,GS45,PM45 (Core 2 Duo P8400) and Haswell-U (Core i7-4500U).

Feature	Core 2 Duo P8400	Core i7-4500U
Socket	PGA478	FCBGA1168
PCIe Generation	PCIe 1.1	PCIe 3.0+173%
Max RAM Speed	1066	1600+50%
Max RAM Capacity	8	16+100%
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	12

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Advanced Features

Both support true virtualization. The Core i7-4500U includes integrated graphics (Intel HD Graphics 4400), while the Core 2 Duo P8400 requires a dedicated GPU. Primary use case: Core i7-4500U targets Mobile. Direct competitor: Core 2 Duo P8400 rivals Turion II Ultra M600.

Feature	Core 2 Duo P8400	Core i7-4500U
Integrated GPU	No	Yes
IGPU Model	None	Intel HD Graphics 4400
Unlocked	No	—
AVX-512	No	No
Virtualization	true	true
Target Use	—	Mobile

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Value Analysis

At launch, the Core 2 Duo P8400 was priced at $209, while the Core i7-4500U came in at $398. On launch pricing ($209 vs $398), Core 2 Duo P8400 was $189 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core 2 Duo P8400 delivers 11.9 pts/$ vs 6.3 pts/$ for the Core i7-4500U — making the Core 2 Duo P8400 the 62.5% better value option.

Feature	Core 2 Duo P8400	Core i7-4500U
MSRP	$209-47%	$398
Performance per Dollar	11.9+89%	6.3
Release Date	2008	2013

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