Celeron 2957U vs Core 2 Duo SP9400

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.

Celeron 2957U vs Core 2 Duo SP9400 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.

Celeron 2957U vs Core 2 Duo SP9400: Pros, Cons & Final Verdict

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

Celeron 2957U

2014

Why buy it

✅100+% more PCIe lanes (10 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics (Haswell), while Core 2 Duo SP9400 needs a discrete GPU.

Trade-offs

❌Lower Geekbench single-core performance for gaming (284 vs 340).
❌Lower PassMark (2,077 vs 2,083).
❌Smaller total L3 cache (2 MB vs 6 MB).
❌8433.3% higher power demand at 512W vs 6W.

Core 2 Duo SP9400

2008

Why buy it

✅+19.7% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅+200% larger total L3 cache (6 MB vs 2 MB).
✅Draws 6W instead of 512W, a 506W reduction.

Trade-offs

❌No integrated graphics, while Celeron 2957U can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core 2 Duo SP9400 better than Celeron 2957U?

Yes. Core 2 Duo SP9400 is the better all-around CPU here. It gives you a 0.3% average FPS lead across 50 shared CPU game tests in our data and 0.3% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core 2 Duo SP9400 is the better pick. According to our tests, it delivers 0.3% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core 2 Duo SP9400 is the stronger fit. You are getting 0.3% better PassMark, backed by 2 cores and 2 threads. It also has the larger cache pool with 200% larger total L3 cache (6 MB vs 2 MB).

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

Core 2 Duo SP9400 still makes the most sense overall. Core 2 Duo SP9400 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 0.3% average FPS lead across 50 shared CPU game tests in our data.

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

Celeron 2957U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2014 vs 2008). That makes it the safer long-term bet.

Celeron 2957U vs Core 2 Duo SP9400 Technical Specifications

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

Celeron 2957U

The Celeron 2957U is manufactured by Intel. It was released in 1 January 2014 (11 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 1.4 GHz, with boost up to 1.4 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 2,077 points. Launch price was $107.

Core 2 Duo SP9400

The Core 2 Duo SP9400 is manufactured by Intel. It was released in 20 August 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB. Built on 45 nm process technology. Socket: BGA956. Thermal design power (TDP): 25 Watt. Passmark benchmark score: 2,083 points. Launch price was $284.

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Processing Power

Both the Celeron 2957U and Core 2 Duo SP9400 share an identical 2-core/2-thread configuration. Boost clocks reach 1.4 GHz on the Celeron 2957U versus 2.4 GHz on the Core 2 Duo SP9400 — a 52.6% clock advantage for the Core 2 Duo SP9400 (base: 1.4 GHz vs 2.4 GHz). The Celeron 2957U uses the Haswell (2013−2015) architecture (22 nm), while the Core 2 Duo SP9400 uses Penryn (2008−2011) (45 nm). In PassMark, the Celeron 2957U scores 2,077 against the Core 2 Duo SP9400's 2,083 — a 0.3% lead for the Core 2 Duo SP9400. Geekbench 6 single-core — the metric most relevant to gaming — records 284 vs 340, a 17.9% lead for the Core 2 Duo SP9400 that directly translates to higher frame rates. L3 cache: 2 MB on the Celeron 2957U vs 6 MB L2 Cache on the Core 2 Duo SP9400.

Feature	Celeron 2957U	Core 2 Duo SP9400
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.4 GHz	2.4 GHz+71%
Base Clock	1.4 GHz	2.4 GHz+71%
L3 Cache	2 MB	6 MB L2 Cache+200%
L2 Cache	512 kB	6 MB+1100%
Process	22 nm-51%	45 nm
Architecture	Haswell (2013−2015)	Penryn (2008−2011)
PassMark	2,077	2,083
Geekbench 6 Single	284	340+20%
Geekbench 6 Multi	—	600

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Memory & Platform

The Celeron 2957U uses the FCBGA1168 socket (PCIe 3.0), while the Core 2 Duo SP9400 uses BGA956 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3L-1600 on the Celeron 2957U versus DDR3-1066 on the Core 2 Duo SP9400 — the Celeron 2957U supports 50.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 2957U 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. Chipset compatibility: Wildcat Point-LP (Celeron 2957U) and GS45 (Core 2 Duo SP9400).

Feature	Celeron 2957U	Core 2 Duo SP9400
Socket	FCBGA1168	BGA956
PCIe Generation	PCIe 3.0+173%	PCIe 1.1
Max RAM Speed	DDR3L-1600+50%	DDR3-1066
Max RAM Capacity	16 GB+100%	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	10	—

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Advanced Features

Neither processor supports overclocking. Both support VT-x virtualization. The Celeron 2957U includes integrated graphics (HD Graphics (Haswell)), while the Core 2 Duo SP9400 requires a dedicated GPU. Primary use case: Celeron 2957U targets Budget, Core 2 Duo SP9400 targets Budget. Direct competitor: Celeron 2957U rivals Pentium 2117U; Core 2 Duo SP9400 rivals Athlon II X2 245e.