Xeon E5645 vs Athlon Gold 7220U
Xeon E5645
Athlon Gold 7220U
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 E5645 is positioned at rank 669 and the Athlon Gold 7220U is on rank 655, so the Athlon Gold 7220U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5645
Performance Per Dollar Athlon Gold 7220U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5645 | Athlon Gold 7220U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($294) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) | ✨ Modern (Mendocino (Zen 2) (2022−2023) / 6 nm) |
💎 Value Proposition
| Insight | Xeon E5645 | Athlon Gold 7220U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($294) | ✅ 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 E5645 and Athlon Gold 7220U
Xeon E5645
The Xeon E5645 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.4 GHz, with boost up to 2.67 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 4,942 points. Launch price was $294.
Athlon Gold 7220U
The Athlon Gold 7220U is manufactured by AMD. It was released in 2009-01-01. It is based on the Mendocino (Zen 2) (2022−2023) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 3.7 GHz. L3 cache: 4 MB (total). L2 cache: 512 kB (per core). Built on 6 nm process technology. Socket: FT6. Thermal design power (TDP): 15 Watt. Memory support: DDR5 Dual-channel. Passmark benchmark score: 4,904 points. Launch price was $149.
Processing Power
The Xeon E5645 packs 6 cores / 12 threads, while the Athlon Gold 7220U offers 2 cores / 4 threads — the Xeon E5645 has 4 more cores. Boost clocks reach 2.67 GHz on the Xeon E5645 versus 3.7 GHz on the Athlon Gold 7220U — a 32.3% clock advantage for the Athlon Gold 7220U (base: 2.4 GHz vs 2.4 GHz). The Xeon E5645 uses the Westmere-EP (2010−2011) architecture (32 nm), while the Athlon Gold 7220U uses Mendocino (Zen 2) (2022−2023) (6 nm). In PassMark, the Xeon E5645 scores 4,942 against the Athlon Gold 7220U's 4,904 — a 0.8% lead for the Xeon E5645. L3 cache: 12 MB (total) on the Xeon E5645 vs 4 MB (total) on the Athlon Gold 7220U.
| Feature | Xeon E5645 | Athlon Gold 7220U |
|---|---|---|
| Cores / Threads | 6 / 12+200% | 2 / 4 |
| Boost Clock | 2.67 GHz | 3.7 GHz+39% |
| Base Clock | 2.4 GHz | 2.4 GHz |
| L3 Cache | 12 MB (total)+200% | 4 MB (total) |
| L2 Cache | 256 kB (per core) | 512 kB (per core)+100% |
| Process | 32 nm | 6 nm-81% |
| Architecture | Westmere-EP (2010−2011) | Mendocino (Zen 2) (2022−2023) |
| PassMark | 4,942 | 4,904 |
Memory & Platform
The Xeon E5645 uses the LGA1366 socket (PCIe 5.0), while the Athlon Gold 7220U uses FT6 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Xeon E5645 versus 5500 on the Athlon Gold 7220U — the Athlon Gold 7220U supports 199.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E5645 supports up to 288 GB of RAM compared to 16 — 178.9% more capacity for professional workloads. Memory channels: 3 (Xeon E5645) vs 2 (Athlon Gold 7220U). PCIe lanes: 0 (Xeon E5645) vs 4 (Athlon Gold 7220U) — the Athlon Gold 7220U offers 4 more lanes for additional GPUs or NVMe drives.
| Feature | Xeon E5645 | Athlon Gold 7220U |
|---|---|---|
| Socket | LGA1366 | FT6 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR3-1333 | 5500+183233% |
| Max RAM Capacity | 288 GB+1887436700% | 16 |
| RAM Channels | 3+50% | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 0 | 4 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Xeon E5645) vs true (Athlon Gold 7220U). The Athlon Gold 7220U includes integrated graphics (Radeon 610M), while the Xeon E5645 requires a dedicated GPU. Primary use case: Xeon E5645 targets Server. Direct competitor: Athlon Gold 7220U rivals Core i3-1115G4.
| Feature | Xeon E5645 | Athlon Gold 7220U |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon 610M |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | true |
| Target Use | Server | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Xeon E5645 and Athlon Gold 7220U
