Core i5-1155G7 vs Xeon E3-1285 v6

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.

Core i5-1155G7 vs Xeon E3-1285 v6 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.

Core i5-1155G7 vs Xeon E3-1285 v6: Pros, Cons & Final Verdict

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

Core i5-1155G7

2021

Why buy it

✅+1.9% higher PassMark.
✅Draws 28W instead of 79W, a 51W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E3-1285 v6 across 50 shared CPU benchmark tests.

Xeon E3-1285 v6

2017

Why buy it

✅Better for gaming: +15.3% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (9,502 vs 9,686).
❌Launch MSRP is still $450 MSRP, while Core i5-1155G7 mostly shows up through inconsistent older-market listings.
❌182.1% higher power demand at 79W vs 28W.

Quick Answers

So, is Core i5-1155G7 better than Xeon E3-1285 v6?

Not really, because they are built for different jobs. Xeon E3-1285 v6 makes more sense for workstation-style multi-core throughput, while Core i5-1155G7 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, Core i5-1155G7 is the stronger fit. You are getting 1.9% better PassMark, backed by 4 cores and 8 threads.

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

Core i5-1155G7 is still the faster CPU overall, but Xeon E3-1285 v6 is easier to justify if budget matters more than peak performance. Core i5-1155G7 comes in at an unclear MSRP at unclear MSRP versus $450 MSRP, and it still gives you 1.9% better PassMark. The compromise is that Xeon E3-1285 v6 is still the better pure gaming CPU with a 15.3% average FPS lead across 50 shared CPU game tests in our data. Xeon E3-1285 v6 is also 100.0% better value on MSRP (21.1 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Core i5-1155G7 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2017) and more multi-core headroom with 4 cores / 8 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-1155G7 vs Xeon E3-1285 v6 Technical Specifications

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

Core i5-1155G7

The Core i5-1155G7 is manufactured by Intel. It was released in 31 May 2021 (4 years ago). It is based on the Tiger Lake-UP3 (2020−2021) architecture. It features 4 cores and 8 threads. Base frequency is 2.5 GHz, with boost up to 4.5 GHz. L3 cache: 8 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1449. Thermal design power (TDP): 28 Watt. Memory support: DDR4. Passmark benchmark score: 9,686 points. Launch price was $309.

Xeon E3-1285 v6

The Xeon E3-1285 v6 is manufactured by Intel. It was released in 1 August 2017 (8 years ago). It is based on the Kaby Lake-DT (2017) architecture. It features 4 cores and 8 threads. Base frequency is 4.1 GHz, with boost up to 4.5 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 79 Watt. Memory support: DDR4-2400, DDR3L-1866. Passmark benchmark score: 9,502 points. Launch price was $450.

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Processing Power

Both the Core i5-1155G7 and Xeon E3-1285 v6 share an identical 4-core/8-thread configuration. Boost clocks reach 4.5 GHz on the Core i5-1155G7 versus 4.5 GHz on the Xeon E3-1285 v6 — identical boost frequencies (base: 2.5 GHz vs 4.1 GHz). The Core i5-1155G7 uses the Tiger Lake-UP3 (2020−2021) architecture (10 nm SuperFin), while the Xeon E3-1285 v6 uses Kaby Lake-DT (2017) (14 nm). In PassMark, the Core i5-1155G7 scores 9,686 against the Xeon E3-1285 v6's 9,502 — a 1.9% lead for the Core i5-1155G7. Both processors carry 8 MB (total) of L3 cache.

Feature	Core i5-1155G7	Xeon E3-1285 v6
Cores / Threads	4 / 8	4 / 8
Boost Clock	4.5 GHz	4.5 GHz
Base Clock	2.5 GHz	4.1 GHz+64%
L3 Cache	8 MB (total)	8 MB (total)
L2 Cache	1.25 MB (per core)	256K (per core)+20380%
Process	10 nm SuperFin-29%	14 nm
Architecture	Tiger Lake-UP3 (2020−2021)	Kaby Lake-DT (2017)
PassMark	9,686+2%	9,502

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Memory & Platform

The Core i5-1155G7 uses the FCBGA1449 socket (PCIe 4.0), while the Xeon E3-1285 v6 uses LGA1151 (PCIe 5.0) — making them incompatible on the same motherboard.