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 B810 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 B810 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 B810

2011

Why buy it

✅+0.4% higher PassMark.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics (Sandy Bridge), while Core 2 Duo SP9400 needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (2 MB vs 6 MB).
❌Launch MSRP is still $86 MSRP, while Core 2 Duo SP9400 mostly shows up through inconsistent older-market listings.

Core 2 Duo SP9400

2008

Why buy it

✅+200% larger total L3 cache (6 MB vs 2 MB).

Trade-offs

❌Lower PassMark (2,083 vs 2,091).
❌No integrated graphics, while Celeron B810 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Celeron B810 better than Core 2 Duo SP9400?

It depends on what you want from the system. For gaming, Core 2 Duo SP9400 is ahead with a 0.6% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Celeron B810 pulls ahead with 0.4% better PassMark. Core 2 Duo SP9400 also has the bigger cache pool with 200% larger total L3 cache (6 MB vs 2 MB).

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

For streaming, content creation, and heavier multitasking, Celeron B810 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?

Celeron B810 is the better buy right now. Celeron B810 comes in at an unclear MSRP at $86 MSRP versus unclear MSRP, and it still gives you 0.4% better PassMark. The compromise is that Core 2 Duo SP9400 is still the better pure gaming CPU with a 0.6% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (24.3 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Celeron B810 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2011 vs 2008) and more multi-core headroom with 2 cores / 2 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Celeron B810 vs Core 2 Duo SP9400 Technical Specifications

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

Celeron B810

The Celeron B810 is manufactured by Intel. It was released in 1 March 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 2 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: 2,091 points. Launch price was $86.

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 B810 and Core 2 Duo SP9400 share an identical 2-core/2-thread configuration. Boost clocks reach 1.6 GHz on the Celeron B810 versus 2.4 GHz on the Core 2 Duo SP9400 — a 40% clock advantage for the Core 2 Duo SP9400 (base: 1.6 GHz vs 2.4 GHz). The Celeron B810 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core 2 Duo SP9400 uses Penryn (2008−2011) (45 nm). In PassMark, the Celeron B810 scores 2,091 against the Core 2 Duo SP9400's 2,083 — a 0.4% lead for the Celeron B810. L3 cache: 2 MB (total) on the Celeron B810 vs 6 MB L2 Cache on the Core 2 Duo SP9400.

Feature	Celeron B810	Core 2 Duo SP9400
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.6 GHz	2.4 GHz+50%
Base Clock	1.6 GHz	2.4 GHz+50%
L3 Cache	2 MB (total)	6 MB L2 Cache+200%
L2 Cache	256K (per core)+4167%	6 MB
Process	32 nm-29%	45 nm
Architecture	Sandy Bridge (2011−2013)	Penryn (2008−2011)
PassMark	2,091	2,083
Geekbench 6 Single	—	340
Geekbench 6 Multi	—	600

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Memory & Platform

The Celeron B810 uses the PGA988 socket (PCIe 2.0), while the Core 2 Duo SP9400 uses BGA956 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Celeron B810 versus DDR3-1066 on the Core 2 Duo SP9400 — the Celeron B810 supports 25% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron B810 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: HM65,HM67,QM67,QM77 (Celeron B810) and GS45 (Core 2 Duo SP9400).

Feature	Celeron B810	Core 2 Duo SP9400
Socket	PGA988	BGA956
PCIe Generation	PCIe 2.0+82%	PCIe 1.1
Max RAM Speed	DDR3-1333+25%	DDR3-1066
Max RAM Capacity	16 GB+100%	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	—

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Advanced Features

Neither processor supports overclocking. Both support VT-x virtualization. The Celeron B810 includes integrated graphics (HD Graphics (Sandy Bridge)), while the Core 2 Duo SP9400 requires a dedicated GPU. Primary use case: Celeron B810 targets Budget, Core 2 Duo SP9400 targets Budget. Direct competitor: Celeron B810 rivals Pentium 967; Core 2 Duo SP9400 rivals Athlon II X2 245e.