Atom x7835RE vs Core i7-4940MX

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 x7835RE vs Core i7-4940MX 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 x7835RE vs Core i7-4940MX: Pros, Cons & Final Verdict

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

Atom x7835RE

2024

Why buy it

✅+0.2% higher PassMark.
✅Draws 12W instead of 57W, a 45W reduction.
✅Newer platform on FCBGA1264 with DDR5 support instead of PGA946 and older memory support.
✅100+% more PCIe lanes (9 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics (32EU), while Core i7-4940MX needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-4940MX across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (6 MB vs 8 MB).
❌Launch MSRP is still $127 MSRP, while Core i7-4940MX mostly shows up through inconsistent older-market listings.

Core i7-4940MX

2014

Why buy it

✅Better for gaming: +5.8% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (8 MB vs 6 MB).

Trade-offs

❌Lower PassMark (6,783 vs 6,795).
❌375% higher power demand at 57W vs 12W.
❌Older platform position on PGA946, while Atom x7835RE moves to FCBGA1264 and DDR5.
❌No integrated graphics, while Atom x7835RE can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Atom x7835RE better than Core i7-4940MX?

It depends on what you want from the system. For gaming, Core i7-4940MX is ahead with a 5.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Atom x7835RE pulls ahead with 0.2% better PassMark. Core i7-4940MX also has the bigger cache pool with 33.3% larger total L3 cache (8 MB vs 6 MB).

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

For streaming, content creation, and heavier multitasking, Atom x7835RE is the stronger fit. You are getting 0.2% better PassMark, backed by 8 cores and 8 threads.

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

Atom x7835RE is the better buy right now. Atom x7835RE comes in at an unclear MSRP at $127 MSRP versus unclear MSRP, and it still gives you 0.2% better PassMark. The compromise is that Core i7-4940MX is still the better pure gaming CPU with a 5.8% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (53.5 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Atom x7835RE makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2014), a healthier platform with FCBGA1264 and DDR5 instead of PGA946, and more multi-core headroom with 8 cores / 8 threads instead of 4/8. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Atom x7835RE vs Core i7-4940MX Technical Specifications

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

Atom x7835RE

The Atom x7835RE is manufactured by Intel. It was released in 8 April 2024 (1 year ago). It is based on the Amston Lake (2024−2025) architecture. It features 8 cores and 8 threads. Base frequency is 1.3 GHz, with boost up to 3.6 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (per module). Built on 10 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 12 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 6,795 points. Launch price was $127.

Core i7-4940MX

The Core i7-4940MX is manufactured by Intel. It was released in 20 January 2014 (11 years ago). It is based on the Haswell (2013−2015) architecture. It features 4 cores and 8 threads. Base frequency is 3.1 GHz, with boost up to 4 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: PGA946. Thermal design power (TDP): 57 Watt. Memory support: DDR3. Passmark benchmark score: 6,783 points. Launch price was $1,096.

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Processing Power

The Atom x7835RE packs 8 cores / 8 threads, while the Core i7-4940MX offers 4 cores / 8 threads — the Atom x7835RE has 4 more cores. Boost clocks reach 3.6 GHz on the Atom x7835RE versus 4 GHz on the Core i7-4940MX — a 10.5% clock advantage for the Core i7-4940MX (base: 1.3 GHz vs 3.1 GHz). The Atom x7835RE uses the Amston Lake (2024−2025) architecture (10 nm), while the Core i7-4940MX uses Haswell (2013−2015) (22 nm). In PassMark, the Atom x7835RE scores 6,795 against the Core i7-4940MX's 6,783 — a 0.2% lead for the Atom x7835RE. L3 cache: 6 MB (total) on the Atom x7835RE vs 8 MB (total) on the Core i7-4940MX.

Feature	Atom x7835RE	Core i7-4940MX
Cores / Threads	8 / 8+100%	4 / 8
Boost Clock	3.6 GHz	4 GHz+11%
Base Clock	1.3 GHz	3.1 GHz+138%
L3 Cache	6 MB (total)	8 MB (total)+33%
L2 Cache	2 MB (per module)	256K (per core)+12700%
Process	10 nm-55%	22 nm
Architecture	Amston Lake (2024−2025)	Haswell (2013−2015)
PassMark	6,795	6,783

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Memory & Platform

The Atom x7835RE uses the FCBGA1264 socket (PCIe 4.0), while the Core i7-4940MX uses PGA946 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Atom x7835RE	Core i7-4940MX
Socket	FCBGA1264	PGA946
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	DDR5-4800	—
Max RAM Capacity	32 GB	—
RAM Channels	1	—
ECC Support	Yes	—
PCIe Lanes	9	—