Core i5-10310U 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 i5-10310U 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 i5-10310U 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 i5-10310U

2020

Why buy it

✅+26.3% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅Draws 1W instead of 45W, a 44W reduction.

Trade-offs

❌Lower PassMark (5,864 vs 5,925).
❌Smaller total L3 cache (6 MB vs 8 MB).

Xeon E3-1515M v5

2016

Why buy it

✅+1% higher PassMark.
✅+33.3% larger total L3 cache (8 MB vs 6 MB).

Trade-offs

❌Lower Geekbench single-core performance for gaming (1,017 vs 1,284).
❌4400% higher power demand at 45W vs 1W.

Quick Answers

So, is Core i5-10310U better than Xeon E3-1515M v5?

Not really, because they are built for different jobs. Xeon E3-1515M v5 makes more sense for workstation-style multi-core throughput, while Core i5-10310U 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, Xeon E3-1515M v5 is the stronger fit. You are getting 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?

Core i5-10310U still makes the most sense overall. Core i5-10310U comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 1.3% average FPS lead across 49 shared CPU game tests in our data.

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

Core i5-10310U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2016). That makes it the safer long-term bet.

Core i5-10310U vs Xeon E3-1515M v5 Technical Specifications

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

Core i5-10310U

The Core i5-10310U is manufactured by Intel. It was released in 13 May 2020 (5 years ago). It is based on the Comet Lake-U (2019−2020) architecture. It features 4 cores and 8 threads. Base frequency is 1.7 GHz, with boost up to 4.4 GHz. L3 cache: 6 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 5,864 points. Launch price was $149.

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

Both the Core i5-10310U and Xeon E3-1515M v5 share an identical 4-core/8-thread configuration. Boost clocks reach 4.4 GHz on the Core i5-10310U versus 3.7 GHz on the Xeon E3-1515M v5 — a 17.3% clock advantage for the Core i5-10310U (base: 1.7 GHz vs 2.8 GHz). The Core i5-10310U uses the Comet Lake-U (2019−2020) architecture (14 nm), while the Xeon E3-1515M v5 uses Skylake-H (2015−2016) (14 nm). In PassMark, the Core i5-10310U scores 5,864 against the Xeon E3-1515M v5's 5,925 — a 1% lead for the Xeon E3-1515M v5. Geekbench 6 single-core — the metric most relevant to gaming — records 1,284 vs 1,017, a 23.2% lead for the Core i5-10310U that directly translates to higher frame rates. L3 cache: 6 MB on the Core i5-10310U vs 8 MB (total) on the Xeon E3-1515M v5.

Feature	Core i5-10310U	Xeon E3-1515M v5
Cores / Threads	4 / 8	4 / 8
Boost Clock	4.4 GHz+19%	3.7 GHz
Base Clock	1.7 GHz	2.8 GHz+65%
L3 Cache	6 MB	8 MB (total)+33%
L2 Cache	1 MB+300%	256 kB (per core)
Process	14 nm	14 nm
Architecture	Comet Lake-U (2019−2020)	Skylake-H (2015−2016)
PassMark	5,864	5,925+1%
Geekbench 6 Single	1,284+26%	1,017

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Memory & Platform

The Core i5-10310U uses the FCBGA1528 socket (PCIe 3.0), while the Xeon E3-1515M v5 uses BGA1440 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10310U versus DDR4-2133 on the Xeon E3-1515M v5 — the Core i5-10310U supports 25% 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. Both provide 16 PCIe lanes.

Feature	Core i5-10310U	Xeon E3-1515M v5
Socket	FCBGA1528	BGA1440
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666+25%	DDR4-2133
Max RAM Capacity	64 GB	64 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	16

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Advanced Features

Neither processor supports overclocking. Both support VT-x, VT-d, EPT virtualization. Both include integrated graphics — UHD Graphics for 10th Gen (Core i5-10310U) 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 i5-10310U targets Business Laptop, Xeon E3-1515M v5 targets Productivity. Direct competitor: Core i5-10310U rivals Ryzen 5 PRO 4650U; Xeon E3-1515M v5 rivals Core i7-6700HQ.

Feature	Core i5-10310U	Xeon E3-1515M v5
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics for 10th Gen	Iris Pro Graphics P580
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d, EPT
Target Use	Business Laptop	Productivity