Ryzen 7 3780U vs Xeon E3-1276 v3

Ryzen 7 3780U vs Xeon E3-1276 v3 Performance Spectrum

Ryzen 7 3780U

4 / 8

7,483

0.0%

Ryzen Embedded R1606G

Ryzen Threadripper PRO 7965WX

Xeon E3-1276 v3

4 / 8

7,543

+0.8%

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.

Ryzen 7 3780U vs Xeon E3-1276 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.

Ryzen 7 3780U vs Xeon E3-1276 v3: Pros, Cons & Final Verdict

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

Ryzen 7 3780U

2019

Why buy it

✅Draws 15W instead of 84W, a 69W reduction.

Trade-offs

❌Lower PassMark (7,483 vs 7,543).
❌Smaller total L3 cache (4 MB vs 8 MB).

Xeon E3-1276 v3

2014

Why buy it

✅+0.8% higher PassMark.
✅+100% larger total L3 cache (8 MB vs 4 MB).

Trade-offs

❌Launch MSRP is still $213 MSRP, while Ryzen 7 3780U mostly shows up through inconsistent older-market listings.
❌460% higher power demand at 84W vs 15W.

Quick Answers

So, is Xeon E3-1276 v3 better than Ryzen 7 3780U?

Not really, because they are built for different jobs. Xeon E3-1276 v3 makes more sense for workstation-style multi-core throughput, while Ryzen 7 3780U is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

For gaming, this matchup is basically a tie in the data we have.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon E3-1276 v3 is the stronger fit. You are getting 0.8% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 100% larger total L3 cache (8 MB vs 4 MB).

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

Xeon E3-1276 v3 is the better buy right now. Xeon E3-1276 v3 comes in at an unclear MSRP at $213 MSRP versus unclear MSRP, and it still gives you a 2.8% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (35.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Ryzen 7 3780U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2014). That makes it the safer long-term bet.

Ryzen 7 3780U vs Xeon E3-1276 v3 Technical Specifications

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

Ryzen 7 3780U

The Ryzen 7 3780U is manufactured by AMD. It was released in 22 October 2019 (6 years ago). It is based on the Picasso-U (Zen+) (2019−2020) architecture. It features 4 cores and 8 threads. Base frequency is 2.3 GHz, with boost up to 4 GHz. L3 cache: 4 MB (total). L2 cache: 512 kB (per core). Built on 12 nm process technology. Socket: FP5. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 7,483 points. Launch price was $149.

Xeon E3-1276 v3

The Xeon E3-1276 v3 is manufactured by Intel. It was released in 2015-01-01. It features 4 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4 GHz. L3 cache: 8 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 84 Watt. Memory support: DDR3L-1333, DDR3L-1600. Passmark benchmark score: 7,543 points. Launch price was $800.

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Processing Power

Both the Ryzen 7 3780U and Xeon E3-1276 v3 share an identical 4-core/8-thread configuration. Boost clocks reach 4 GHz on the Ryzen 7 3780U versus 4 GHz on the Xeon E3-1276 v3 — identical boost frequencies (base: 2.3 GHz vs 3.6 GHz). The Ryzen 7 3780U is built on the Picasso-U (Zen+) (2019−2020) architecture. In PassMark, the Ryzen 7 3780U scores 7,483 against the Xeon E3-1276 v3's 7,543 — a 0.8% lead for the Xeon E3-1276 v3. L3 cache: 4 MB (total) on the Ryzen 7 3780U vs 8 MB Intel® Smart Cache on the Xeon E3-1276 v3.

Feature	Ryzen 7 3780U	Xeon E3-1276 v3
Cores / Threads	4 / 8	4 / 8
Boost Clock	4 GHz	4 GHz
Base Clock	2.3 GHz	3.6 GHz+57%
L3 Cache	4 MB (total)	8 MB Intel® Smart Cache+100%
L2 Cache	512 kB (per core)	—
Process	12 nm-45%	22 nm
Architecture	Picasso-U (Zen+) (2019−2020)	—
PassMark	7,483	7,543

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Memory & Platform

The Ryzen 7 3780U uses the FP5 socket (PCIe 3.0), while the Xeon E3-1276 v3 uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard.