Core i3-1315U vs Xeon E5-2640 v3

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 i3-1315U vs Xeon E5-2640 v3 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 i3-1315U vs Xeon E5-2640 v3: Pros, Cons & Final Verdict

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

Core i3-1315U

2023

Why buy it

✅Draws 15W instead of 90W, a 75W reduction.
✅Newer platform on FCBGA1744 with DDR5 support instead of LGA2011 and DDR4.

Trade-offs

❌Smaller total L3 cache (10 MB vs 20 MB).
❌Less compelling for workstation-style loads than Xeon E5-2640 v3, which brings 8 cores / 16 threads and 40 PCIe lanes.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon E5-2640 v3

2014

Why buy it

✅+100% larger total L3 cache (20 MB vs 10 MB).
✅Better for workstations and heavier parallel workloads: 8 cores / 16 threads, plus 40 PCIe lanes vs 0.
✅100+% more PCIe lanes (40 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (11,055 vs 11,248).
❌Launch MSRP is still $939 MSRP, while Core i3-1315U mostly shows up through inconsistent older-market listings.
❌500% higher power demand at 90W vs 15W.
❌Older platform position on LGA2011 with DDR4, while Core i3-1315U moves to FCBGA1744 and DDR5.

Quick Answers

So, is Core i3-1315U better than Xeon E5-2640 v3?

Not really, because they are built for different jobs. Xeon E5-2640 v3 makes more sense for workstation-style multi-core throughput, while Core i3-1315U is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Core i3-1315U is the better pick. According to our tests, it delivers 0.2% 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, Core i3-1315U is the stronger fit. You are getting 1.7% better PassMark, backed by 6 cores and 8 threads.

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

Core i3-1315U is still the faster CPU overall, but Xeon E5-2640 v3 is easier to justify if budget matters more than peak performance. Core i3-1315U comes in at an unclear MSRP at unclear MSRP versus $939 MSRP, and it still gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data. Xeon E5-2640 v3 is also 100.0% better value on MSRP (11.8 vs 0.0 PassMark/$), 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 i3-1315U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2014), a healthier platform with FCBGA1744 and DDR5 instead of LGA2011, and more multi-core headroom with 6 cores / 8 threads instead of 8/16. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i3-1315U vs Xeon E5-2640 v3 Technical Specifications

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

Core i3-1315U

The Core i3-1315U is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-U (2023) architecture. It features 6 cores and 8 threads. Base frequency is 1.2 GHz, with boost up to 4.5 GHz. L3 cache: 10 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR5-5200, DDR4-3200, LPDDR4x-4267. Passmark benchmark score: 11,248 points. Launch price was $309.

Xeon E5-2640 v3

The Xeon E5-2640 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 8 cores and 16 threads. Base frequency is 2.6 GHz, with boost up to 3.4 GHz. L3 cache: 20 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 90 Watt. Memory support: DDR4-1600, DDR4-1866. Passmark benchmark score: 11,055 points. Launch price was $800.

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Processing Power

The Core i3-1315U packs 6 cores / 8 threads, while the Xeon E5-2640 v3 offers 8 cores / 16 threads — the Xeon E5-2640 v3 has 2 more cores. Boost clocks reach 4.5 GHz on the Core i3-1315U versus 3.4 GHz on the Xeon E5-2640 v3 — a 27.8% clock advantage for the Core i3-1315U (base: 1.2 GHz vs 2.6 GHz). The Core i3-1315U uses the Raptor Lake-U (2023) architecture (Intel 7 nm), while the Xeon E5-2640 v3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Core i3-1315U scores 11,248 against the Xeon E5-2640 v3's 11,055 — a 1.7% lead for the Core i3-1315U. L3 cache: 10 MB (total) on the Core i3-1315U vs 20 MB (total) on the Xeon E5-2640 v3.

Feature	Core i3-1315U	Xeon E5-2640 v3
Cores / Threads	6 / 8	8 / 16+33%
Boost Clock	4.5 GHz+32%	3.4 GHz
Base Clock	1.2 GHz	2.6 GHz+117%
L3 Cache	10 MB (total)	20 MB (total)+100%
L2 Cache	1.25 MB (per core)	256K (per core)+20380%
Process	Intel 7 nm-68%	22 nm
Architecture	Raptor Lake-U (2023)	Haswell-EP (2014−2015)
PassMark	11,248+2%	11,055

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Memory & Platform

The Core i3-1315U uses the FCBGA1744 socket (PCIe 5.0), while the Xeon E5-2640 v3 uses LGA2011 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Core i3-1315U	Xeon E5-2640 v3
Socket	FCBGA1744	LGA2011
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	—	DDR4-1866
Max RAM Capacity	—	768 GB
RAM Channels	—	4
ECC Support	—	Yes
PCIe Lanes	—	40