Celeron 4305U vs Turion X2 Ultra ZM-85

Celeron 4305U vs Turion X2 Ultra ZM-85 Performance Spectrum

Celeron 4305U

2 / 2

1,562

0.0%

Turion X2 Ultra ZM-85

2 / 2

1,585

+1.5%

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About PassMark

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 4305U vs Turion X2 Ultra ZM-85 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 4305U vs Turion X2 Ultra ZM-85: Pros, Cons & Final Verdict

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

Celeron 4305U

2019

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics 610, while Turion X2 Ultra ZM-85 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Turion X2 Ultra ZM-85 across 50 shared CPU benchmark tests.
❌Lower PassMark (1,562 vs 1,585).
❌Launch MSRP is still $107 MSRP, while Turion X2 Ultra ZM-85 mostly shows up through inconsistent older-market listings.
❌650% higher power demand at 15W vs 2W.

Turion X2 Ultra ZM-85

2008

Why buy it

✅Better for gaming: +4.6% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 2W instead of 15W, a 13W reduction.

Trade-offs

❌No integrated graphics, while Celeron 4305U can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Turion X2 Ultra ZM-85 better than Celeron 4305U?

Yes. Turion X2 Ultra ZM-85 is the better all-around CPU here. It gives you a 4.6% average FPS lead across 50 shared CPU game tests in our data and 1.5% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Turion X2 Ultra ZM-85 is the better pick. According to our tests, it delivers 4.6% 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, Turion X2 Ultra ZM-85 is the stronger fit. You are getting 1.5% better PassMark, backed by 2 cores and 2 threads.

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

Turion X2 Ultra ZM-85 is the easy recommendation for a fresh desktop build. Turion X2 Ultra ZM-85 comes in at an unclear MSRP at unclear MSRP versus $107 MSRP, and it still gives you a 4.6% average FPS lead across 50 shared CPU game tests in our data. Celeron 4305U only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games, especially when the gap is already 4.6% in the shared gaming data.

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

Celeron 4305U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2008). That makes it the safer long-term bet.

Celeron 4305U vs Turion X2 Ultra ZM-85 Technical Specifications

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

Celeron 4305U

The Celeron 4305U is manufactured by Intel. It was released in 16 April 2019 (6 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 2 cores and 2 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 2 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4-2133, LPDDR3-1866. Passmark benchmark score: 1,562 points. Launch price was $107.

Turion X2 Ultra ZM-85

The Turion X2 Ultra ZM-85 is manufactured by AMD. It was released in 2007-01-01. It is based on the Puma (2008−2009) architecture. It features 2 cores and 2 threads. Max frequency: 2.3 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: S1g2. Thermal design power (TDP): 2 MB. Memory support: DDR2. Passmark benchmark score: 1,585 points. Launch price was $69.

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Processing Power

Both the Celeron 4305U and Turion X2 Ultra ZM-85 share an identical 2-core/2-thread configuration. Boost clocks reach 2.2 GHz on the Celeron 4305U versus 2.3 GHz on the Turion X2 Ultra ZM-85 — a 4.4% clock advantage for the Turion X2 Ultra ZM-85. The Celeron 4305U uses the Whiskey Lake-U (2018−2019) architecture (14 nm), while the Turion X2 Ultra ZM-85 uses Puma (2008−2009) (65 nm). In PassMark, the Celeron 4305U scores 1,562 against the Turion X2 Ultra ZM-85's 1,585 — a 1.5% lead for the Turion X2 Ultra ZM-85. L3 cache: 2 MB (total) on the Celeron 4305U vs 0 kB on the Turion X2 Ultra ZM-85.

Feature	Celeron 4305U	Turion X2 Ultra ZM-85
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.2 GHz	2.3 GHz+5%
Base Clock	2.2 GHz	—
L3 Cache	2 MB (total)	0 kB
L2 Cache	256 kB (per core)	2 MB+700%
Process	14 nm-78%	65 nm
Architecture	Whiskey Lake-U (2018−2019)	Puma (2008−2009)
PassMark	1,562	1,585+1%

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Memory & Platform

The Celeron 4305U uses the FCBGA1528 socket (PCIe 3.0), while the Turion X2 Ultra ZM-85 uses S1g2 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Celeron 4305U	Turion X2 Ultra ZM-85
Socket	FCBGA1528	S1g2
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	2133	—
Max RAM Capacity	64	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: true (Celeron 4305U) / not specified (Turion X2 Ultra ZM-85). The Celeron 4305U includes integrated graphics (Intel UHD Graphics 610), while the Turion X2 Ultra ZM-85 requires a dedicated GPU. Primary use case: Celeron 4305U targets Budget. Direct competitor: Celeron 4305U rivals Pentium Gold 5405U.