Ryzen 5 PRO 3400G vs Xeon E3-1280 v6

Ryzen 5 PRO 3400G vs Xeon E3-1280 v6 Performance Spectrum

Ryzen 5 PRO 3400G

4 / 8

9,056

0.0%

Ryzen Threadripper 1950X

Ryzen 9 PRO 7945

Ryzen 9 9950X

Ryzen Threadripper PRO 3995WX

Xeon E3-1280 v6

4 / 8

9,093

+0.4%

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 5 PRO 3400G vs Xeon E3-1280 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.

Ryzen 5 PRO 3400G vs Xeon E3-1280 v6: Pros, Cons & Final Verdict

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

Ryzen 5 PRO 3400G

2019

Why buy it

✅Draws 65W instead of 72W, a 7W reduction.

Trade-offs

❌Lower PassMark (9,056 vs 9,093).
❌Smaller total L3 cache (4 MB vs 8 MB).
❌Launch MSRP is still $149 MSRP, while Xeon E3-1280 v6 mostly shows up through inconsistent older-market listings.

Xeon E3-1280 v6

2017

Why buy it

✅+0.4% higher PassMark.
✅+100% larger total L3 cache (8 MB vs 4 MB).

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Xeon E3-1280 v6 better than Ryzen 5 PRO 3400G?

Not really, because they are built for different jobs. Xeon E3-1280 v6 makes more sense for workstation-style multi-core throughput, while Ryzen 5 PRO 3400G 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 E3-1280 v6 is the stronger fit. You are getting 0.4% 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 E3-1280 v6 is still the better call for a fresh build. Xeon E3-1280 v6 comes in at an unclear MSRP at unclear MSRP versus $149 MSRP, and it still gives you a 2.0% average FPS lead across 50 shared CPU game tests in our data. Ryzen 5 PRO 3400G only looks stronger on raw value math because it is so cheap, but its absolute performance tier is too low to be the better recommendation now. At roughly 9,056 PassMark with 4 cores and 8 threads, it only really makes sense as a bare-minimum stopgap or a very constrained existing-platform upgrade.

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

Ryzen 5 PRO 3400G makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2017). That makes it the safer long-term bet.

Ryzen 5 PRO 3400G vs Xeon E3-1280 v6 Technical Specifications

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

Ryzen 5 PRO 3400G

The Ryzen 5 PRO 3400G is manufactured by AMD. It was released in 30 September 2019 (6 years ago). It is based on the Zen+ (2018−2019) architecture. It features 4 cores and 8 threads. Base frequency is 3.7 GHz, with boost up to 4.2 GHz. L3 cache: 4 MB. L2 cache: 2 MB. Built on 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-2933. Passmark benchmark score: 9,056 points. Launch price was $149.

Xeon E3-1280 v6

The Xeon E3-1280 v6 is manufactured by Intel. It was released in 28 March 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 4 cores and 8 threads. Base frequency is 3.9 GHz, with boost up to 4.2 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 72 Watt. Memory support: DDR4-2400, DDR3L-1866. Passmark benchmark score: 9,093 points. Launch price was $612.

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Processing Power

Both the Ryzen 5 PRO 3400G and Xeon E3-1280 v6 share an identical 4-core/8-thread configuration. Boost clocks reach 4.2 GHz on the Ryzen 5 PRO 3400G versus 4.2 GHz on the Xeon E3-1280 v6 — identical boost frequencies (base: 3.7 GHz vs 3.9 GHz). The Ryzen 5 PRO 3400G uses the Zen+ (2018−2019) architecture (12 nm), while the Xeon E3-1280 v6 uses Kaby Lake (2016−2019) (14 nm). In PassMark, the Ryzen 5 PRO 3400G scores 9,056 against the Xeon E3-1280 v6's 9,093 — a 0.4% lead for the Xeon E3-1280 v6. L3 cache: 4 MB on the Ryzen 5 PRO 3400G vs 8 MB on the Xeon E3-1280 v6.

Feature	Ryzen 5 PRO 3400G	Xeon E3-1280 v6
Cores / Threads	4 / 8	4 / 8
Boost Clock	4.2 GHz	4.2 GHz
Base Clock	3.7 GHz	3.9 GHz+5%
L3 Cache	4 MB	8 MB+100%
L2 Cache	2 MB+100%	1 MB
Process	12 nm-14%	14 nm
Architecture	Zen+ (2018−2019)	Kaby Lake (2016−2019)
PassMark	9,056	9,093

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Memory & Platform

The Ryzen 5 PRO 3400G uses the AM4 socket (PCIe 3.0), while the Xeon E3-1280 v6 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.