
Atom x7211E

Xeon E5520
Atom x7211E vs Xeon E5520 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 x7211E vs Xeon E5520 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.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Atom x7211E vs Xeon E5520: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Atom x7211E
2023Why buy it
- ✅+0.5% higher PassMark.
- ✅Draws 6W instead of 80W, a 74W reduction.
- ✅Newer platform on FCBGA1744 with DDR5 support instead of LGA1366 and older memory support.
- ✅100+% more PCIe lanes (9 vs 0) for storage and expansion-heavy builds.
- ✅Integrated graphics onboard with Intel UHD Graphics (16EU), while Xeon E5520 needs a discrete GPU.
Trade-offs
- ❌Worse for gaming: lower average FPS than Xeon E5520 across 50 shared CPU benchmark tests.
- ❌Smaller total L3 cache (6 MB vs 8 MB).
- ❌Less compelling for workstation-style loads than Xeon E5520, which brings 4 cores / 8 threads.
Xeon E5520
2009Why buy it
- ✅Better for gaming: +6.1% higher average FPS across 50 shared CPU benchmark tests.
- ✅+33.3% larger total L3 cache (8 MB vs 6 MB).
- ✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads.
Trade-offs
- ❌Lower PassMark (2,541 vs 2,553).
- ❌1233.3% higher power demand at 80W vs 6W.
- ❌Older platform position on LGA1366, while Atom x7211E moves to FCBGA1744 and DDR5.
- ❌No integrated graphics, while Atom x7211E can still boot and troubleshoot without a discrete GPU.
Quick Answers
So, is Atom x7211E better than Xeon E5520?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Atom x7211E vs Xeon E5520 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Atom x7211E
The Atom x7211E is manufactured by Intel. It was released in 3 January 2023 (2 years ago). It is based on the Gracemont (2023) architecture. It features 2 cores and 2 threads. Base frequency is 1 GHz, with boost up to 3.2 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (total). Built on 10 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 6 Watt. Memory support: DDR4, DDR5 4800 MHz Single-channel. Passmark benchmark score: 2,553 points. Launch price was $69.

Xeon E5520
The Xeon E5520 is manufactured by Intel. It was released in 30 March 2009 (16 years ago). It is based on the Gainestown (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.26 GHz, with boost up to 2.53 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 2,541 points. Launch price was $19.
Processing Power
The Atom x7211E packs 2 cores / 2 threads, while the Xeon E5520 offers 4 cores / 8 threads — the Xeon E5520 has 2 more cores. Boost clocks reach 3.2 GHz on the Atom x7211E versus 2.53 GHz on the Xeon E5520 — a 23.4% clock advantage for the Atom x7211E (base: 1 GHz vs 2.26 GHz). The Atom x7211E uses the Gracemont (2023) architecture (10 nm), while the Xeon E5520 uses Gainestown (2009−2010) (45 nm). In PassMark, the Atom x7211E scores 2,553 against the Xeon E5520's 2,541 — a 0.5% lead for the Atom x7211E. L3 cache: 6 MB (total) on the Atom x7211E vs 8 MB (total) on the Xeon E5520.
| Feature | Atom x7211E | Xeon E5520 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 8+100% |
| Boost Clock | 3.2 GHz+26% | 2.53 GHz |
| Base Clock | 1 GHz | 2.26 GHz+126% |
| L3 Cache | 6 MB (total) | 8 MB (total)+33% |
| L2 Cache | 2 MB (total)+700% | 256 kB (per core) |
| Process | 10 nm-78% | 45 nm |
| Architecture | Gracemont (2023) | Gainestown (2009−2010) |
| PassMark | 2,553 | 2,541 |
Memory & Platform
The Atom x7211E uses the FCBGA1744 socket (PCIe 4.0), while the Xeon E5520 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Atom x7211E | Xeon E5520 |
|---|---|---|
| Socket | FCBGA1744 | LGA1366 |
| PCIe Generation | PCIe 4.0+100% | PCIe 2.0 |
| Max RAM Speed | DDR5-4800 | — |
| Max RAM Capacity | 16 GB | — |
| RAM Channels | 1 | — |
| ECC Support | No | — |
| PCIe Lanes | 9 | — |
Advanced Features
The Atom x7211E includes integrated graphics (Intel UHD Graphics (16EU)), while the Xeon E5520 requires a dedicated GPU.
| Feature | Atom x7211E | Xeon E5520 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel UHD Graphics (16EU) | — |
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