Ryzen 3 3300X vs Xeon E5-2670 v3

Ryzen 3 3300X vs Xeon E5-2670 v3 Performance Spectrum

Ryzen 3 3300X

4 / 8

13,425

0.0%

Ryzen Threadripper PRO 7945WX

Ryzen Threadripper PRO 9955WX

Ryzen Threadripper 9960X

Xeon E5-2670 v3

12 / 24

13,489

+0.5%

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 3 3300X vs Xeon E5-2670 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 3 3300X vs Xeon E5-2670 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 3 3300X

2020

Why buy it

✅Draws 65W instead of 120W, a 55W reduction.

Trade-offs

❌Lower PassMark (13,425 vs 13,489).
❌Smaller total L3 cache (16 MB vs 30 MB).
❌Less compelling for workstation-style loads than Xeon E5-2670 v3, which brings 12 cores / 24 threads and 40 PCIe lanes.
❌Launch MSRP is still $120 MSRP, while Xeon E5-2670 v3 mostly shows up through inconsistent older-market listings.

Xeon E5-2670 v3

2014

Why buy it

✅+0.5% higher PassMark.
✅+87.5% larger total L3 cache (30 MB vs 16 MB).
✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads, plus 40 PCIe lanes vs 24.
✅66.7% more PCIe lanes (40 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌84.6% higher power demand at 120W vs 65W.

Quick Answers

So, is Ryzen 3 3300X better than Xeon E5-2670 v3?

Not really, because they are built for different jobs. Xeon E5-2670 v3 makes more sense for workstation-style multi-core throughput, while Ryzen 3 3300X 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 E5-2670 v3 is the stronger fit. You are getting 0.5% better PassMark, backed by 12 cores and 24 threads. It also has the larger cache pool with 87.5% larger total L3 cache (30 MB vs 16 MB).

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

Ryzen 3 3300X is the better buy right now. Ryzen 3 3300X comes in at an unclear MSRP at $120 MSRP versus unclear MSRP, and it still gives you a 2.8% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon E5-2670 v3 is still stronger for heavier multi-core work with 0.5% better PassMark. It is also 100.0% better value on MSRP (111.9 vs 0.0 PassMark/$), 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 3 3300X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2014). That makes it the safer long-term bet.

Ryzen 3 3300X vs Xeon E5-2670 v3 Technical Specifications

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

Ryzen 3 3300X

The Ryzen 3 3300X is manufactured by AMD. It was released in 24 April 2020 (5 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 4 cores and 8 threads. Base frequency is 3.8 GHz, with boost up to 4.3 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 13,425 points. Launch price was $120.

Xeon E5-2670 v3

The Xeon E5-2670 v3 is manufactured by Intel. It was released in 8 September 2014 (11 years ago). It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 24 threads. Base frequency is 2.3 GHz, with boost up to 3.1 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 120 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133. Passmark benchmark score: 13,489 points. Launch price was $1,589.

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Processing Power

The Ryzen 3 3300X packs 4 cores / 8 threads, while the Xeon E5-2670 v3 offers 12 cores / 24 threads — the Xeon E5-2670 v3 has 8 more cores. Boost clocks reach 4.3 GHz on the Ryzen 3 3300X versus 3.1 GHz on the Xeon E5-2670 v3 — a 32.4% clock advantage for the Ryzen 3 3300X (base: 3.8 GHz vs 2.3 GHz). The Ryzen 3 3300X uses the Matisse (Zen 2) (2019−2020) architecture (7 nm), while the Xeon E5-2670 v3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Ryzen 3 3300X scores 13,425 against the Xeon E5-2670 v3's 13,489 — a 0.5% lead for the Xeon E5-2670 v3. L3 cache: 16 MB (total) on the Ryzen 3 3300X vs 30 MB (total) on the Xeon E5-2670 v3.

Feature	Ryzen 3 3300X	Xeon E5-2670 v3
Cores / Threads	4 / 8	12 / 24+200%
Boost Clock	4.3 GHz+39%	3.1 GHz
Base Clock	3.8 GHz+65%	2.3 GHz
L3 Cache	16 MB (total)	30 MB (total)+88%
L2 Cache	512K (per core)+100%	256K (per core)
Process	7 nm-68%	22 nm
Architecture	Matisse (Zen 2) (2019−2020)	Haswell-EP (2014−2015)
PassMark	13,425	13,489

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Memory & Platform

The Ryzen 3 3300X uses the AM4 socket (PCIe 4.0), while the Xeon E5-2670 v3 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 3 3300X versus DDR4-2133 on the Xeon E5-2670 v3 — the Ryzen 3 3300X supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E5-2670 v3 supports up to 768 GB of RAM compared to 128 GB — 500% more capacity for professional workloads. Memory channels: 2 (Ryzen 3 3300X) vs 4 (Xeon E5-2670 v3). PCIe lanes: 24 (Ryzen 3 3300X) vs 40 (Xeon E5-2670 v3) — the Xeon E5-2670 v3 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 3 3300X) and Intel X99,Intel C612 (Xeon E5-2670 v3).

Feature	Ryzen 3 3300X	Xeon E5-2670 v3
Socket	AM4	LGA2011
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	DDR4-3200+50%	DDR4-2133
Max RAM Capacity	128 GB	768 GB+500%
RAM Channels	2	4+100%
ECC Support	No	Yes
PCIe Lanes	24	40+67%