Celeron 1019Y vs Core 2 Duo T9400

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 1019Y vs Core 2 Duo T9400 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 1019Y vs Core 2 Duo T9400: Pros, Cons & Final Verdict

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

Celeron 1019Y

2013

Why buy it

✅+0.1% higher PassMark.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics (Ivy Bridge), while Core 2 Duo T9400 needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (2 MB vs 6 MB).
❌8433.3% higher power demand at 512W vs 6W.

Core 2 Duo T9400

2008

Why buy it

✅+200% larger total L3 cache (6 MB vs 2 MB).
✅Draws 6W instead of 512W, a 506W reduction.

Trade-offs

❌Lower PassMark (1,004 vs 1,005).
❌No integrated graphics, while Celeron 1019Y can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Celeron 1019Y better than Core 2 Duo T9400?

It depends on what you want from the system. For gaming, Core 2 Duo T9400 is ahead with a 0.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Celeron 1019Y pulls ahead with 0.1% better PassMark. Core 2 Duo T9400 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 1019Y is the stronger fit. You are getting 0.1% better PassMark, backed by 2 cores and 2 threads.

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

Celeron 1019Y still makes the most sense overall. Celeron 1019Y comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.1% better PassMark.

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

Celeron 1019Y makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 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 1019Y vs Core 2 Duo T9400 Technical Specifications

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

Celeron 1019Y

The Celeron 1019Y is manufactured by Intel. It was released in 1 April 2013 (12 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1 GHz, with boost up to 1 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 10 Watt. Memory support: DDR3/L/-RS 1333/1600. Passmark benchmark score: 1,005 points. Launch price was $153.

Core 2 Duo T9400

The Core 2 Duo T9400 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 2.53 GHz, with boost up to 2.53 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 1,004 points. Launch price was $316.

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Processing Power

Both the Celeron 1019Y and Core 2 Duo T9400 share an identical 2-core/2-thread configuration. Boost clocks reach 1 GHz on the Celeron 1019Y versus 2.53 GHz on the Core 2 Duo T9400 — a 86.7% clock advantage for the Core 2 Duo T9400 (base: 1 GHz vs 2.53 GHz). The Celeron 1019Y uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Core 2 Duo T9400 uses Penryn (2008−2011) (45 nm). In PassMark, the Celeron 1019Y scores 1,005 against the Core 2 Duo T9400's 1,004 — a 0.1% lead for the Celeron 1019Y. L3 cache: 2 MB on the Celeron 1019Y vs 6 MB L2 Cache on the Core 2 Duo T9400.

Feature	Celeron 1019Y	Core 2 Duo T9400
Cores / Threads	2 / 2	2 / 2
Boost Clock	1 GHz	2.53 GHz+153%
Base Clock	1 GHz	2.53 GHz+153%
L3 Cache	2 MB	6 MB L2 Cache+200%
L2 Cache	512 kB	6 MB+1100%
Process	22 nm-51%	45 nm
Architecture	Ivy Bridge (2012−2013)	Penryn (2008−2011)
PassMark	1,005	1,004
Geekbench 6 Single	—	320

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Memory & Platform

The Celeron 1019Y uses the BGA1023 socket (PCIe 3.0), while the Core 2 Duo T9400 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Celeron 1019Y versus DDR3-1066 on the Core 2 Duo T9400 — the Celeron 1019Y supports 50.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both feature 2-channel memory with ECC support. Chipset compatibility: HM77,UM77,HM76,HM75 (Celeron 1019Y) and GM45,PM45 (Core 2 Duo T9400).

Feature	Celeron 1019Y	Core 2 Duo T9400
Socket	BGA1023	PGA478
PCIe Generation	PCIe 3.0+173%	PCIe 1.1
Max RAM Speed	DDR3-1600+50%	DDR3-1066
Max RAM Capacity	32 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 1019Y includes integrated graphics (HD Graphics (Ivy Bridge)), while the Core 2 Duo T9400 requires a dedicated GPU. Primary use case: Celeron 1019Y targets Budget, Core 2 Duo T9400 targets Budget. Direct competitor: Celeron 1019Y rivals Pentium 2117U; Core 2 Duo T9400 rivals Athlon Silver 3050U.