Atom x5-Z8550 vs Pentium G640T

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-Z8550 vs Pentium G640T 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-Z8550 vs Pentium G640T: 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-Z8550

2016

Why buy it

✅Better for gaming: +5.0% higher average FPS across 49 shared CPU benchmark tests.
✅Integrated graphics onboard with Intel HD Graphics (Cherry Trail), while Pentium G640T needs a discrete GPU.

Trade-offs

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

Pentium G640T

2012

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Atom x5-Z8550 across 49 shared CPU benchmark tests.
❌Lower PassMark (1,139 vs 1,143).
❌Launch MSRP is still $64 MSRP, while Atom x5-Z8550 mostly shows up through inconsistent older-market listings.
❌No integrated graphics, while Atom x5-Z8550 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Atom x5-Z8550 better than Pentium G640T?

Yes. Atom x5-Z8550 is the better all-around CPU here. It gives you a 5.0% average FPS lead across 49 shared CPU game tests in our data, 0.4% 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, Atom x5-Z8550 is the better pick. According to our tests, it delivers 5.0% more average FPS across 49 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Atom x5-Z8550 is the stronger fit. You are getting 0.4% better PassMark, backed by 4 cores and 4 threads.

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

Atom x5-Z8550 is still the much better call for a fresh build. Atom x5-Z8550 comes in at an unclear MSRP at unclear MSRP versus $64 MSRP, and it still gives you a 5.0% average FPS lead across 49 shared CPU game tests in our data. Pentium G640T only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2012 platform. Even with 100.0% better value on paper (17.8 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1155.

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

Atom x5-Z8550 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2012) 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-Z8550 vs Pentium G640T Technical Specifications

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

Atom x5-Z8550

The Atom x5-Z8550 is manufactured by Intel. It was released in 8 February 2016 (9 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 2.4 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: UTFCBGA1380. Memory support: DDR3. Passmark benchmark score: 1,143 points. Launch price was $69.

Pentium G640T

The Pentium G640T is manufactured by Intel. It was released in 2007-01-01. It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,139 points. Launch price was $69.

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Processing Power

The Atom x5-Z8550 packs 4 cores / 4 threads, while the Pentium G640T offers 2 cores / 2 threads — the Atom x5-Z8550 has 2 more cores. Boost clocks reach 2.4 GHz on the Atom x5-Z8550 versus 2.4 GHz on the Pentium G640T — identical boost frequencies (base: 1.44 GHz vs 2.4 GHz). The Atom x5-Z8550 uses the Cherry Trail (2015−2016) architecture (14 nm), while the Pentium G640T uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Atom x5-Z8550 scores 1,143 against the Pentium G640T's 1,139 — a 0.4% lead for the Atom x5-Z8550. L3 cache: 0 kB on the Atom x5-Z8550 vs 3 MB (total) on the Pentium G640T.

Feature	Atom x5-Z8550	Pentium G640T
Cores / Threads	4 / 4+100%	2 / 2
Boost Clock	2.4 GHz	2.4 GHz
Base Clock	1.44 GHz	2.4 GHz+67%
L3 Cache	0 kB	3 MB (total)
L2 Cache	2 MB+700%	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Cherry Trail (2015−2016)	Sandy Bridge (2011−2013)
PassMark	1,143	1,139

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Memory & Platform

The Atom x5-Z8550 uses the UTFCBGA1380 socket (PCIe 3.0), while the Pentium G640T uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Atom x5-Z8550	Pentium G640T
Socket	UTFCBGA1380	LGA1155
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	—