Atom E3825 vs Pentium M 770

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.

Atom E3825 vs Pentium M 770 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.

Atom E3825 vs Pentium M 770: Pros, Cons & Final Verdict

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

Atom E3825

2013

Why buy it

✅Draws 6W instead of 27W, a 21W reduction.
✅100+% more PCIe lanes (4 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel HD Graphics (Bay Trail), while Pentium M 770 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Pentium M 770 across 50 shared CPU benchmark tests.
❌Lower PassMark (525 vs 545).

Pentium M 770

2005

Why buy it

✅Better for gaming: +7.6% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌350% higher power demand at 27W vs 6W.
❌No integrated graphics, while Atom E3825 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Pentium M 770 better than Atom E3825?

Yes. Pentium M 770 is the better all-around CPU here. It gives you a 7.6% average FPS lead across 50 shared CPU game tests in our data and 3.8% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Pentium M 770 is the better pick. According to our tests, it delivers 7.6% 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, Pentium M 770 is the stronger fit. You are getting 3.8% better PassMark, backed by 1 cores and 1 threads.

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

Pentium M 770 still makes the most sense overall. Pentium M 770 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 7.6% average FPS lead across 50 shared CPU game tests in our data.

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

Atom E3825 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2005). That makes it the safer long-term bet.

Atom E3825 vs Pentium M 770 Technical Specifications

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

Atom E3825

The Atom E3825 is manufactured by Intel. It was released in 8 October 2013 (12 years ago). It is based on the Bay Trail-I (2013) architecture. It features 2 cores and 2 threads. Max frequency: 1.33 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 6 Watt. Memory support: DDR3. Passmark benchmark score: 525 points. Launch price was $73.

Pentium M 770

The Pentium M 770 is manufactured by Intel. It was released in 2007-01-01. It is based on the Dothan (2004−2005) architecture. It features 1 cores and 1 threads. Base frequency is 2.13 GHz, with boost up to 0.01 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 90 nm process technology. Socket: PGA478. Thermal design power (TDP): 27 Watt. Memory support: DDR2. Passmark benchmark score: 545 points. Launch price was $69.

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Processing Power

The Atom E3825 packs 2 cores / 2 threads, while the Pentium M 770 offers 1 cores / 1 threads — the Atom E3825 has 1 more core. Boost clocks reach 1.33 GHz on the Atom E3825 versus 0.01 GHz on the Pentium M 770 — a 197% clock advantage for the Atom E3825. The Atom E3825 uses the Bay Trail-I (2013) architecture (22 nm), while the Pentium M 770 uses Dothan (2004−2005) (90 nm). In PassMark, the Atom E3825 scores 525 against the Pentium M 770's 545 — a 3.7% lead for the Pentium M 770. Both processors carry 0 kB of L3 cache.

Feature	Atom E3825	Pentium M 770
Cores / Threads	2 / 2+100%	1 / 1
Boost Clock	1.33 GHz+13200%	0.01 GHz
Base Clock	—	2.13 GHz
L3 Cache	0 kB	0 kB
L2 Cache	512 kB (per core)	2 MB+300%
Process	22 nm-76%	90 nm
Architecture	Bay Trail-I (2013)	Dothan (2004−2005)
PassMark	525	545+4%

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Memory & Platform

The Atom E3825 uses the FCBGA1170 socket (PCIe 2.0), while the Pentium M 770 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.

Feature	Atom E3825	Pentium M 770
Socket	FCBGA1170	PGA478
PCIe Generation	PCIe 2.0+82%	PCIe 1.1
Max RAM Speed	DDR3L-1066	—
Max RAM Capacity	8 GB	—
RAM Channels	1	—
ECC Support	Yes	—
PCIe Lanes	4	—