CPU
GPU
Xeon X5647
Athlon 3000G
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. The Xeon X5647 is positioned at rank #593 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon X5647
Performance Per Dollar Athlon 3000G
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon X5647 | Athlon 3000G |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($60) |
| Longevity | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) | ✨ Modern (Zen+ (2018−2019) / 14 nm) |
💎 Value Proposition
| Insight | Xeon X5647 | Athlon 3000G |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($60) |
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 X5647 and Athlon 3000G
Xeon X5647
The Xeon X5647 is manufactured by Intel. It was released in 14 February 2011 (14 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 4 cores and 8 threads. Base frequency is 2.93 GHz, with boost up to 3.2 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 4,441 points. Launch price was $175.
Athlon 3000G
The Athlon 3000G is manufactured by AMD. It was released in 21 November 2019 (6 years ago). It is based on the Zen+ (2018−2019) architecture. It features 2 cores and 4 threads. Base frequency is 3.5 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: AM4. Thermal design power (TDP): 35 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 4,446 points. Launch price was $49.
Processing Power
The Xeon X5647 packs 4 cores / 8 threads, while the Athlon 3000G offers 2 cores / 4 threads — the Xeon X5647 has 2 more cores. Boost clocks reach 3.2 GHz on the Xeon X5647 versus 3.5 GHz on the Athlon 3000G — a 9% clock advantage for the Athlon 3000G (base: 2.93 GHz vs 3.5 GHz). The Xeon X5647 uses the Westmere-EP (2010−2011) architecture (32 nm), while the Athlon 3000G uses Zen+ (2018−2019) (14 nm). In PassMark, the Xeon X5647 scores 4,441 against the Athlon 3000G's 4,446 — a 0.1% lead for the Athlon 3000G. L3 cache: 12 MB (total) on the Xeon X5647 vs 4 MB (total) on the Athlon 3000G.
| Feature | Xeon X5647 | Athlon 3000G |
|---|---|---|
| Cores / Threads | 4 / 8+100% | 2 / 4 |
| Boost Clock | 3.2 GHz | 3.5 GHz+9% |
| Base Clock | 2.93 GHz | 3.5 GHz+19% |
| L3 Cache | 12 MB (total)+200% | 4 MB (total) |
| L2 Cache | 256 kB (per core) | 512K (per core)+100% |
| Process | 32 nm | 14 nm-56% |
| Architecture | Westmere-EP (2010−2011) | Zen+ (2018−2019) |
| PassMark | 4,441 | 4,446 |
| Cinebench R23 Multi | — | 1,800 |
| Geekbench 6 Single | — | 956 |
| Geekbench 6 Multi | — | 1,970 |
Memory & Platform
The Xeon X5647 uses the LGA1366 socket (PCIe 5.0), while the Athlon 3000G uses AM4 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1066 on the Xeon X5647 versus 2666 on the Athlon 3000G — the Athlon 3000G supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 3 (Xeon X5647) vs 2 (Athlon 3000G). Chipset compatibility: Intel X58,Intel 5520 (Xeon X5647) and AM4 (Athlon 3000G).
| Feature | Xeon X5647 | Athlon 3000G |
|---|---|---|
| Socket | LGA1366 | AM4 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | DDR3-1066 | 2666+88767% |
| Max RAM Capacity | — | 64 |
| RAM Channels | 3+50% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | — | 16 |
Advanced Features
Only the Athlon 3000G has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Xeon X5647) vs true (Athlon 3000G). The Athlon 3000G includes integrated graphics (Radeon Vega 3 Graphics), while the Xeon X5647 requires a dedicated GPU. Primary use case: Xeon X5647 targets Workstation. Direct competitor: Xeon X5647 rivals Core i7-980X; Athlon 3000G rivals Pentium Gold G6400.
| Feature | Xeon X5647 | Athlon 3000G |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon Vega 3 Graphics |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | true |
| Target Use | Workstation | — |
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