Atom C3955 vs Xeon Bronze 3106

Intel

Atom C3955

16 Cores16 Thrd32 WWMax: 2.4 GHz2017
Similar parts
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VS
Intel

Xeon Bronze 3106

8 Cores8 Thrd85 WWMax: 3 GHz2017
Similar parts
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Atom C3955 vs Xeon Bronze 3106 Performance Spectrum

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.

Atom C3955 vs Xeon Bronze 3106 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.

Atom C3955 vs Xeon Bronze 3106: Pros, Cons & Final Verdict

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

Atom C3955

2017

Why buy it

  • +0.9% higher PassMark.
  • +45.5% larger total L3 cache (16 MB vs 11 MB).
  • Draws 32W instead of 85W, a 53W reduction.

Trade-offs

  • Less compelling for workstation-style loads than Xeon Bronze 3106, which brings 8 cores / 8 threads and 48 PCIe lanes.
  • No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon Bronze 3106

2017

Why buy it

  • Better for workstations and heavier parallel workloads: 8 cores / 8 threads, plus 48 PCIe lanes vs 12.
  • 300% more PCIe lanes (48 vs 12) for storage and expansion-heavy builds.
  • AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

  • Lower PassMark (5,753 vs 5,803).
  • Smaller total L3 cache (11 MB vs 16 MB).
  • Launch MSRP is still $395 MSRP, while Atom C3955 mostly shows up through inconsistent older-market listings.
  • 165.6% higher power demand at 85W vs 32W.

Quick Answers

So, is Atom C3955 better than Xeon Bronze 3106?
Not really, because they are built for different jobs. Xeon Bronze 3106 makes more sense for workstation-style multi-core throughput, while Atom C3955 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, Atom C3955 is the stronger fit. You are getting 0.9% better PassMark, backed by 16 cores and 16 threads. It also has the larger cache pool with 45.5% larger total L3 cache (16 MB vs 11 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Atom C3955 is still the faster CPU overall, but Xeon Bronze 3106 is easier to justify if budget matters more than peak performance. Atom C3955 comes in at an unclear MSRP at unclear MSRP versus $395 MSRP, and it still gives you 0.9% better PassMark. The compromise is that Xeon Bronze 3106 is still the better pure gaming CPU with a 2.5% average FPS lead across 50 shared CPU game tests in our data. Xeon Bronze 3106 is also 100.0% better value on MSRP (14.6 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.
Which one is more future-proof for 2026 and beyond?
Xeon Bronze 3106 makes more sense long term for 2026 and beyond. You are getting AVX-512 support for heavier modern compute workloads. That makes it the safer long-term bet.

Atom C3955 vs Xeon Bronze 3106 Technical Specifications

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

Intel

Atom C3955

The Atom C3955 is manufactured by Intel. It was released in 15 August 2017 (8 years ago). It is based on the Goldmont (2016−2017) architecture. It features 16 cores and 16 threads. Base frequency is 2.1 GHz, with boost up to 2.4 GHz. L3 cache: 16 MB. L2 cache: 16 MB. Built on 14 nm process technology. Socket: FCBGA1310. Thermal design power (TDP): 32 Watt. Memory support: DDR4: 2400. Passmark benchmark score: 5,803 points. Launch price was $434.

Intel

Xeon Bronze 3106

The Xeon Bronze 3106 is manufactured by Intel. It was released in 11 July 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 8 cores and 8 threads. Base frequency is 1.7 GHz, with boost up to 3 GHz. L3 cache: 11 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 85 Watt. Memory support: DDR4-2133. Passmark benchmark score: 5,753 points. Launch price was $306.

Processing Power

The Atom C3955 packs 16 cores / 16 threads, while the Xeon Bronze 3106 offers 8 cores / 8 threads — the Atom C3955 has 8 more cores. Boost clocks reach 2.4 GHz on the Atom C3955 versus 3 GHz on the Xeon Bronze 3106 — a 22.2% clock advantage for the Xeon Bronze 3106 (base: 2.1 GHz vs 1.7 GHz). The Atom C3955 uses the Goldmont (2016−2017) architecture (14 nm), while the Xeon Bronze 3106 uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Atom C3955 scores 5,803 against the Xeon Bronze 3106's 5,753 — a 0.9% lead for the Atom C3955. L3 cache: 16 MB on the Atom C3955 vs 11 MB (total) on the Xeon Bronze 3106.

FeatureAtom C3955Xeon Bronze 3106
Cores / Threads
16 / 16+100%
8 / 8
Boost Clock
2.4 GHz
3 GHz+25%
Base Clock
2.1 GHz+24%
1.7 GHz
L3 Cache
16 MB+45%
11 MB (total)
L2 Cache
16 MB+1500%
1 MB (per core)
Process
14 nm
14 nm
Architecture
Goldmont (2016−2017)
Skylake (server) (2017−2018)
PassMark
5,803
5,753
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Memory & Platform

The Atom C3955 uses the FCBGA1310 socket (PCIe 3.0), while the Xeon Bronze 3106 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Atom C3955 versus 2133 on the Xeon Bronze 3106 — the Atom C3955 supports 12.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Bronze 3106 supports up to 768 GB of RAM compared to 256 GB 200% more capacity for professional workloads. Memory channels: 2 (Atom C3955) vs 6 (Xeon Bronze 3106). PCIe lanes: 12 (Atom C3955) vs 48 (Xeon Bronze 3106) — the Xeon Bronze 3106 offers 36 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FCBGA1310 (Atom C3955) and C621 (Xeon Bronze 3106).

FeatureAtom C3955Xeon Bronze 3106
Socket
FCBGA1310
LGA3647
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
DDR4-2400+13%
2133
Max RAM Capacity
256 GB
768 GB+200%
RAM Channels
2
6+200%
ECC Support
Yes
Yes
PCIe Lanes
12
48+300%
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Advanced Features

Virtualization: not specified (Atom C3955) / VT-x, VT-d (Xeon Bronze 3106).

FeatureAtom C3955Xeon Bronze 3106
Integrated GPU
No
No
IGPU Model
None
Unlocked
No
AVX-512
Yes
Virtualization
VT-x, VT-d