Ryzen 5 PRO 4655GE vs Xeon E5-2666 V3

Ryzen 5 PRO 4655GE vs Xeon E5-2666 V3 Performance Spectrum

Ryzen 5 PRO 4655GE

6 / 12

14,015

0.0%

Ryzen Threadripper 2990WX

Ryzen Threadripper PRO 7945WX

Ryzen 9 9950X3D

Ryzen Threadripper 9960X

Xeon E5-2666 V3

10 / 20

14,044

+0.2%

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 4655GE vs Xeon E5-2666 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 5 PRO 4655GE vs Xeon E5-2666 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 5 PRO 4655GE

2022

Why buy it

✅Draws 35W instead of 135W, a 100W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-2666 V3 across 50 shared CPU benchmark tests.
❌Lower PassMark (14,015 vs 14,044).
❌Smaller total L3 cache (8 MB vs 25 MB).
❌Less compelling for workstation-style loads than Xeon E5-2666 V3, which brings 10 cores / 20 threads.
❌Launch MSRP is still $200 MSRP, while Xeon E5-2666 V3 mostly shows up through inconsistent older-market listings.

Xeon E5-2666 V3

2014

Why buy it

✅Better for gaming: +4.5% higher average FPS across 50 shared CPU benchmark tests.
✅+212.5% larger total L3 cache (25 MB vs 8 MB).
✅Better for workstations and heavier parallel workloads: 10 cores / 20 threads.

Trade-offs

❌285.7% higher power demand at 135W vs 35W.

Quick Answers

So, is Xeon E5-2666 V3 better than Ryzen 5 PRO 4655GE?

Not really, because they are built for different jobs. Xeon E5-2666 V3 makes more sense for workstation-style multi-core throughput, while Ryzen 5 PRO 4655GE is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon E5-2666 V3 is the better pick. According to our tests, it delivers 4.5% 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, Xeon E5-2666 V3 is the stronger fit. You are getting 0.2% better PassMark, backed by 10 cores and 20 threads. It also has the larger cache pool with 212.5% larger total L3 cache (25 MB vs 8 MB).

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

Xeon E5-2666 V3 is still the faster CPU overall, but Ryzen 5 PRO 4655GE is easier to justify if budget matters more than peak performance. Xeon E5-2666 V3 comes in at an unclear MSRP at unclear MSRP versus $200 MSRP, and it still gives you a 4.5% average FPS lead across 50 shared CPU game tests in our data. Ryzen 5 PRO 4655GE is also 100.0% better value on MSRP (70.1 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Ryzen 5 PRO 4655GE makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2014). That makes it the safer long-term bet.

Ryzen 5 PRO 4655GE vs Xeon E5-2666 V3 Technical Specifications

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

Ryzen 5 PRO 4655GE

The Ryzen 5 PRO 4655GE is manufactured by AMD. It was released in 11 November 2022 (3 years ago). It is based on the Renoir (2020−2023) architecture. It features 6 cores and 12 threads. Base frequency is 3.3 GHz, with boost up to 4.2 GHz. L3 cache: 8 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 14,015 points. Launch price was $149.

Xeon E5-2666 V3

The Xeon E5-2666 V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 10 cores and 20 threads. Base frequency is 2.9 GHz, with boost up to 3.5 GHz. L3 cache: 25 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 135 Watt. Memory support: DDR3, DDR4 2133 MHz Quad-channel. Passmark benchmark score: 14,044 points. Launch price was $800.

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Processing Power

The Ryzen 5 PRO 4655GE packs 6 cores / 12 threads, while the Xeon E5-2666 V3 offers 10 cores / 20 threads — the Xeon E5-2666 V3 has 4 more cores. Boost clocks reach 4.2 GHz on the Ryzen 5 PRO 4655GE versus 3.5 GHz on the Xeon E5-2666 V3 — a 18.2% clock advantage for the Ryzen 5 PRO 4655GE (base: 3.3 GHz vs 2.9 GHz). The Ryzen 5 PRO 4655GE uses the Renoir (2020−2023) architecture (7 nm), while the Xeon E5-2666 V3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Ryzen 5 PRO 4655GE scores 14,015 against the Xeon E5-2666 V3's 14,044 — a 0.2% lead for the Xeon E5-2666 V3. L3 cache: 8 MB (total) on the Ryzen 5 PRO 4655GE vs 25 MB (total) on the Xeon E5-2666 V3.

Feature	Ryzen 5 PRO 4655GE	Xeon E5-2666 V3
Cores / Threads	6 / 12	10 / 20+67%
Boost Clock	4.2 GHz+20%	3.5 GHz
Base Clock	3.3 GHz+14%	2.9 GHz
L3 Cache	8 MB (total)	25 MB (total)+213%
L2 Cache	512 kB (per core)+100%	256K (per core)
Process	7 nm-68%	22 nm
Architecture	Renoir (2020−2023)	Haswell-EP (2014−2015)
PassMark	14,015	14,044

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Memory & Platform

The Ryzen 5 PRO 4655GE uses the AM4 socket (PCIe 3.0), while the Xeon E5-2666 V3 uses LGA2011-3 (PCIe 3.0) — making them incompatible on the same motherboard.