Atom x5-Z8500 vs Xeon 5140

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 x5-Z8500 vs Xeon 5140 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 x5-Z8500 vs Xeon 5140: Pros, Cons & Final Verdict

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

Atom x5-Z8500

2015

Why buy it

✅+0.6% higher PassMark.
✅Integrated graphics onboard with Intel HD Graphics (Cherry Trail), while Xeon 5140 needs a discrete GPU.

Trade-offs

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

Xeon 5140

2006

Why buy it

Trade-offs

❌Lower PassMark (1,235 vs 1,242).
❌No integrated graphics, while Atom x5-Z8500 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Atom x5-Z8500 better than Xeon 5140?

Not really, because they are built for different jobs. Xeon 5140 makes more sense for workstation-style multi-core throughput, while Atom x5-Z8500 is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, Atom x5-Z8500 is the stronger fit. You are getting 0.6% better PassMark, backed by 4 cores and 4 threads.

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

Atom x5-Z8500 still makes the most sense overall. Atom x5-Z8500 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.6% better PassMark.

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

Atom x5-Z8500 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2006) and more multi-core headroom with 4 cores / 4 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Atom x5-Z8500 vs Xeon 5140 Technical Specifications

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

Atom x5-Z8500

The Atom x5-Z8500 is manufactured by Intel. It was released in 2 March 2015 (10 years ago). It is based on the Cherry Trail (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.44 GHz, with boost up to 2.24 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: UTFCBGA1380. Memory support: DDR3. Passmark benchmark score: 1,242 points. Launch price was $69.

Xeon 5140

The Xeon 5140 is manufactured by Intel. It was released in Junho 2006 (19 years ago). It is based on the Woodcrest (2006) architecture. It features 2 cores and 2 threads. Base frequency is 2.33 GHz, with boost up to 2.33 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 65 Watt. Memory support: DDR2. Passmark benchmark score: 1,235 points. Launch price was $15.

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Processing Power

The Atom x5-Z8500 packs 4 cores / 4 threads, while the Xeon 5140 offers 2 cores / 2 threads — the Atom x5-Z8500 has 2 more cores. Boost clocks reach 2.24 GHz on the Atom x5-Z8500 versus 2.33 GHz on the Xeon 5140 — a 3.9% clock advantage for the Xeon 5140 (base: 1.44 GHz vs 2.33 GHz). The Atom x5-Z8500 uses the Cherry Trail (2015−2016) architecture (14 nm), while the Xeon 5140 uses Woodcrest (2006) (65 nm). In PassMark, the Atom x5-Z8500 scores 1,242 against the Xeon 5140's 1,235 — a 0.6% lead for the Atom x5-Z8500. Both processors carry 0 kB of L3 cache.

Feature	Atom x5-Z8500	Xeon 5140
Cores / Threads	4 / 4+100%	2 / 2
Boost Clock	2.24 GHz	2.33 GHz+4%
Base Clock	1.44 GHz	2.33 GHz+62%
L3 Cache	0 kB	0 kB
L2 Cache	2 MB	4 MB+100%
Process	14 nm-78%	65 nm
Architecture	Cherry Trail (2015−2016)	Woodcrest (2006)
PassMark	1,242	1,235

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Memory & Platform

The Atom x5-Z8500 uses the UTFCBGA1380 socket (PCIe 3.0), while the Xeon 5140 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Atom x5-Z8500	Xeon 5140
Socket	UTFCBGA1380	LGA771
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	LPDDR3-1600	—
Max RAM Capacity	8 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	2	—