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 T3100 vs Core i5-540UM 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 T3100 vs Core i5-540UM: Pros, Cons & Final Verdict

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

Celeron T3100

2008

Why buy it

Trade-offs

❌Lower PassMark (945 vs 1,002).
❌Smaller total L3 cache (1 MB vs 3 MB).
❌Launch MSRP is still $62 MSRP, while Core i5-540UM mostly shows up through inconsistent older-market listings.
❌94.4% higher power demand at 35W vs 18W.
❌No integrated graphics, while Core i5-540UM can still boot and troubleshoot without a discrete GPU.

Core i5-540UM

2010

Why buy it

✅+200% larger total L3 cache (3 MB vs 1 MB).
✅Draws 18W instead of 35W, a 17W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel HD Graphics (Ironlake), while Celeron T3100 needs a discrete GPU.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Core i5-540UM better than Celeron T3100?

Yes. Core i5-540UM is the better all-around CPU here. It gives you a 2.2% average FPS lead across 50 shared CPU game tests in our data, 6% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i5-540UM is the better pick. According to our tests, it delivers 2.2% 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 i5-540UM is the stronger fit. You are getting 6% better PassMark, backed by 2 cores and 4 threads. It also has the larger cache pool with 200% larger total L3 cache (3 MB vs 1 MB).

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

Core i5-540UM is still the much better call for a fresh build. Core i5-540UM comes in at an unclear MSRP at unclear MSRP versus $62 MSRP, and it still gives you a 2.2% average FPS lead across 50 shared CPU game tests in our data. Celeron T3100 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2008 platform. Even with 100.0% better value on paper (15.2 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on PGA478.

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

Core i5-540UM makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2008) and 200% larger total L3 cache (3 MB vs 1 MB). That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Celeron T3100 vs Core i5-540UM Technical Specifications

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

Celeron T3100

The Celeron T3100 is manufactured by Intel. It was released in 2007-01-01. Base frequency: 1.9 GHz. L3 cache: 1 MB L2 Cache. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 945 points. Launch price was $69.

Core i5-540UM

The Core i5-540UM is manufactured by Intel. It was released in 24 May 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.2 GHz, with boost up to 2 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3. Passmark benchmark score: 1,002 points. Launch price was $250.

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Processing Power

The Core i5-540UM is built on the Arrandale (2010−2011) architecture. In PassMark, the Celeron T3100 scores 945 against the Core i5-540UM's 1,002 — a 5.9% lead for the Core i5-540UM. L3 cache: 1 MB L2 Cache on the Celeron T3100 vs 3 MB on the Core i5-540UM.

Feature	Celeron T3100	Core i5-540UM
Cores / Threads	—	2 / 4
Boost Clock	—	2 GHz
Base Clock	1.9 GHz+58%	1.2 GHz
L3 Cache	1 MB L2 Cache	3 MB+200%
L2 Cache	—	512 kB
Process	45 nm	32 nm-29%
Architecture	—	Arrandale (2010−2011)
PassMark	945	1,002+6%
Geekbench 6 Single	350	—
Geekbench 6 Multi	650	—

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Memory & Platform

The Celeron T3100 uses the PGA478 socket (PCIe 2.0), while the Core i5-540UM uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-800 memory speed. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Celeron T3100) vs 16 (Core i5-540UM) — the Core i5-540UM offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: GL40,GM45 (Celeron T3100) and HM55,HM57,QM57,QS57 (Core i5-540UM).

Feature	Celeron T3100	Core i5-540UM
Socket	PGA478	BGA1288
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-800	800
Max RAM Capacity	8 GB	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	16

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Advanced Features

Neither processor supports overclocking. Virtualization support: None (Celeron T3100) vs true (Core i5-540UM). The Core i5-540UM includes integrated graphics (Intel HD Graphics (Ironlake)), while the Celeron T3100 requires a dedicated GPU. Primary use case: Celeron T3100 targets Legacy Laptop. Direct competitor: Core i5-540UM rivals Core 2 Duo SU9400.