Xeon E5-4655 v3 vs Atom x7809C
Xeon E5-4655 v3
Atom x7809C
Performance Spectrum - CPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Xeon E5-4655 v3 is positioned at rank 717 and the Atom x7809C is on rank 61, so the Atom x7809C offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5-4655 v3
Performance Per Dollar Atom x7809C
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-4655 v3 | Atom x7809C |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($150) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Haswell-EP (2014−2015) / 22 nm) | ✨ Modern (Amston Lake (2024−2025) / 10 nm) |
💎 Value Proposition
| Insight | Xeon E5-4655 v3 | Atom x7809C |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($150) | ✅ More affordable ($0) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Xeon E5-4655 v3 and Atom x7809C
Xeon E5-4655 v3
The Xeon E5-4655 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 3.2 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 135 Watt. Memory support: DDR4. Passmark benchmark score: 9,377 points. Launch price was $800.
Atom x7809C
The Atom x7809C is manufactured by Intel. It was released in 8 April 2024 (1 year ago). It is based on the Amston Lake (2024−2025) architecture. It features 8 cores and 8 threads. Base frequency is 2 GHz, with boost up to 3.6 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (per module). Built on 10 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 25 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 9,409 points. Launch price was $117.
Processing Power
The Xeon E5-4655 v3 packs 6 cores / 12 threads, while the Atom x7809C offers 8 cores / 8 threads — the Atom x7809C has 2 more cores. Boost clocks reach 3.2 GHz on the Xeon E5-4655 v3 versus 3.6 GHz on the Atom x7809C — a 11.8% clock advantage for the Atom x7809C (base: 2.9 GHz vs 2 GHz). The Xeon E5-4655 v3 uses the Haswell-EP (2014−2015) architecture (22 nm), while the Atom x7809C uses Amston Lake (2024−2025) (10 nm). In PassMark, the Xeon E5-4655 v3 scores 9,377 against the Atom x7809C's 9,409 — a 0.3% lead for the Atom x7809C. L3 cache: 30 MB (total) on the Xeon E5-4655 v3 vs 6 MB (total) on the Atom x7809C.
| Feature | Xeon E5-4655 v3 | Atom x7809C |
|---|---|---|
| Cores / Threads | 6 / 12 | 8 / 8+33% |
| Boost Clock | 3.2 GHz | 3.6 GHz+12% |
| Base Clock | 2.9 GHz+45% | 2 GHz |
| L3 Cache | 30 MB (total)+400% | 6 MB (total) |
| L2 Cache | 256K (per core) | 2 MB (per module)+700% |
| Process | 22 nm | 10 nm-55% |
| Architecture | Haswell-EP (2014−2015) | Amston Lake (2024−2025) |
| PassMark | 9,377 | 9,409 |
| Geekbench 6 Single | — | 1,102 |
| Geekbench 6 Multi | — | 4,657 |
Memory & Platform
The Xeon E5-4655 v3 uses the LGA2011 socket (PCIe 5.0), while the Atom x7809C uses FCBGA1264 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5-4655 v3 | Atom x7809C |
|---|---|---|
| Socket | LGA2011 | FCBGA1264 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | — | DDR5-4800 |
| Max RAM Capacity | — | 32 GB |
| RAM Channels | — | 1 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 9 |
Advanced Features
Virtualization: not specified (Xeon E5-4655 v3) / VT-x, VT-d (Atom x7809C).
| Feature | Xeon E5-4655 v3 | Atom x7809C |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
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