Core i3-1115G4 vs Xeon E3-1515M v5

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 i3-1115G4 vs Xeon E3-1515M v5 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 i3-1115G4 vs Xeon E3-1515M v5: Pros, Cons & Final Verdict

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

Core i3-1115G4

2020

Why buy it

✅Draws 15W instead of 45W, a 30W reduction.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E3-1515M v5 across 50 shared CPU benchmark tests.
❌Lower PassMark (5,860 vs 5,925).
❌Smaller total L3 cache (6 MB vs 8 MB).
❌Less compelling for workstation-style loads than Xeon E3-1515M v5, which brings 4 cores / 8 threads and 16 PCIe lanes.

Xeon E3-1515M v5

2016

Why buy it

✅Better for gaming: +17.9% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (8 MB vs 6 MB).
✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads, plus 16 PCIe lanes vs 4.
✅300% more PCIe lanes (16 vs 4) for storage and expansion-heavy builds.

Trade-offs

❌200% higher power demand at 45W vs 15W.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Quick Answers

So, is Xeon E3-1515M v5 better than Core i3-1115G4?

Not really, because they are built for different jobs. Xeon E3-1515M v5 makes more sense for workstation-style multi-core throughput, while Core i3-1115G4 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon E3-1515M v5 is the better pick. According to our tests, it delivers 17.9% 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, Xeon E3-1515M v5 is the stronger fit. You are getting 1.1% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 33.3% larger total L3 cache (8 MB vs 6 MB).

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

Xeon E3-1515M v5 still makes the most sense overall. Xeon E3-1515M v5 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 17.9% average FPS lead across 50 shared CPU game tests in our data.

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

Core i3-1115G4 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2016) and AVX-512 support for heavier modern compute workloads. That makes it the safer long-term bet.

Core i3-1115G4 vs Xeon E3-1515M v5 Technical Specifications

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

Core i3-1115G4

The Core i3-1115G4 is manufactured by Intel. It was released in 2 September 2020 (5 years ago). It is based on the Tiger Lake-UP3 (2020−2021) architecture. It features 2 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 4.1 GHz. L3 cache: 6 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1449. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 5,860 points. Launch price was $281.

Xeon E3-1515M v5

The Xeon E3-1515M v5 is manufactured by Intel. It was released in 24 January 2016 (9 years ago). It is based on the Skylake-H (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 2.8 GHz, with boost up to 3.7 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 45 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 5,925 points. Launch price was $489.

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Processing Power

The Core i3-1115G4 packs 2 cores / 4 threads, while the Xeon E3-1515M v5 offers 4 cores / 8 threads — the Xeon E3-1515M v5 has 2 more cores. Boost clocks reach 4.1 GHz on the Core i3-1115G4 versus 3.7 GHz on the Xeon E3-1515M v5 — a 10.3% clock advantage for the Core i3-1115G4 (base: 2.2 GHz vs 2.8 GHz). The Core i3-1115G4 uses the Tiger Lake-UP3 (2020−2021) architecture (10 nm SuperFin), while the Xeon E3-1515M v5 uses Skylake-H (2015−2016) (14 nm). In PassMark, the Core i3-1115G4 scores 5,860 against the Xeon E3-1515M v5's 5,925 — a 1.1% lead for the Xeon E3-1515M v5. Geekbench 6 single-core — the metric most relevant to gaming — records 1,579 vs 1,017, a 43.3% lead for the Core i3-1115G4 that directly translates to higher frame rates. L3 cache: 6 MB (total) on the Core i3-1115G4 vs 8 MB (total) on the Xeon E3-1515M v5.

Feature	Core i3-1115G4	Xeon E3-1515M v5
Cores / Threads	2 / 4	4 / 8+100%
Boost Clock	4.1 GHz+11%	3.7 GHz
Base Clock	2.2 GHz	2.8 GHz+27%
L3 Cache	6 MB (total)	8 MB (total)+33%
L2 Cache	1.25 MB (per core)+400%	256 kB (per core)
Process	10 nm SuperFin-29%	14 nm
Architecture	Tiger Lake-UP3 (2020−2021)	Skylake-H (2015−2016)
PassMark	5,860	5,925+1%
Geekbench 6 Single	1,579+55%	1,017

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Memory & Platform

The Core i3-1115G4 uses the FCBGA1449 socket (PCIe 4.0), while the Xeon E3-1515M v5 uses BGA1440 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Core i3-1115G4 versus DDR4-2133 on the Xeon E3-1515M v5 — the Core i3-1115G4 supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 64 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 4 (Core i3-1115G4) vs 16 (Xeon E3-1515M v5) — the Xeon E3-1515M v5 offers 12 more lanes for additional GPUs or NVMe drives.

Feature	Core i3-1115G4	Xeon E3-1515M v5
Socket	FCBGA1449	BGA1440
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	DDR4-3200+50%	DDR4-2133
Max RAM Capacity	64 GB	64 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	4	16+300%

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Advanced Features

Neither processor supports overclocking. Only the Core i3-1115G4 supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d, EPT virtualization. Both include integrated graphics — UHD Graphics for 11th Gen (48 EU) (Core i3-1115G4) and Iris Pro Graphics P580 (Xeon E3-1515M v5) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-1115G4 targets Mainstream Laptop, Xeon E3-1515M v5 targets Productivity. Direct competitor: Core i3-1115G4 rivals Ryzen 3 5300U; Xeon E3-1515M v5 rivals Core i7-6700HQ.

Feature	Core i3-1115G4	Xeon E3-1515M v5
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics for 11th Gen (48 EU)	Iris Pro Graphics P580
Unlocked	No	No
AVX-512	Yes	No
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d, EPT
Target Use	Mainstream Laptop	Productivity