CPU
GPU
Ryzen 5 8645HS
Xeon E5-4640 v4
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Ryzen 5 8645HS
Performance Per Dollar Xeon E5-4640 v4
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 5 8645HS | Xeon E5-4640 v4 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($2,837) |
| Longevity | ✨ Modern (Hawk Point-HS (Zen 4) (2023−2024) / 4 nm) | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) |
💎 Value Proposition
| Insight | Ryzen 5 8645HS | Xeon E5-4640 v4 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($2,837) |
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 Ryzen 5 8645HS and Xeon E5-4640 v4
Ryzen 5 8645HS
The Ryzen 5 8645HS is manufactured by AMD. It was released in 6 December 2023 (1 year ago). It is based on the Hawk Point-HS (Zen 4) (2023−2024) architecture. It features 6 cores and 12 threads. Base frequency is 4.3 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 45 Watt. Memory support: DDR5. Passmark benchmark score: 22,257 points. Launch price was $299.
Xeon E5-4640 v4
The Xeon E5-4640 v4 is manufactured by Intel. It was released in 20 June 2016 (9 years ago). It is based on the Broadwell (2015−2019) architecture. It features 12 cores and 24 threads. Base frequency is 2.1 GHz, with boost up to 2.6 GHz. L3 cache: 30 MB. L2 cache: 3 MB. Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 22,559 points. Launch price was $2,837.
Processing Power
The Ryzen 5 8645HS packs 6 cores / 12 threads, while the Xeon E5-4640 v4 offers 12 cores / 24 threads — the Xeon E5-4640 v4 has 6 more cores. Boost clocks reach 5 GHz on the Ryzen 5 8645HS versus 2.6 GHz on the Xeon E5-4640 v4 — a 63.2% clock advantage for the Ryzen 5 8645HS (base: 4.3 GHz vs 2.1 GHz). The Ryzen 5 8645HS uses the Hawk Point-HS (Zen 4) (2023−2024) architecture (4 nm), while the Xeon E5-4640 v4 uses Broadwell (2015−2019) (14 nm). In PassMark, the Ryzen 5 8645HS scores 22,257 against the Xeon E5-4640 v4's 22,559 — a 1.3% lead for the Xeon E5-4640 v4. L3 cache: 16 MB (total) on the Ryzen 5 8645HS vs 30 MB on the Xeon E5-4640 v4.
| Feature | Ryzen 5 8645HS | Xeon E5-4640 v4 |
|---|---|---|
| Cores / Threads | 6 / 12 | 12 / 24+100% |
| Boost Clock | 5 GHz+92% | 2.6 GHz |
| Base Clock | 4.3 GHz+105% | 2.1 GHz |
| L3 Cache | 16 MB (total) | 30 MB+88% |
| L2 Cache | 1 MB (per core) | 3 MB+200% |
| Process | 4 nm-71% | 14 nm |
| Architecture | Hawk Point-HS (Zen 4) (2023−2024) | Broadwell (2015−2019) |
| PassMark | 22,257 | 22,559+1% |
| Cinebench R23 Multi | 13,316 | — |
| Geekbench 6 Single | 2,574 | — |
| Geekbench 6 Multi | 10,675 | — |
Memory & Platform
The Ryzen 5 8645HS uses the FP8 socket (PCIe 4.0), while the Xeon E5-4640 v4 uses LGA2011 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR5x-7500 on the Ryzen 5 8645HS versus DDR4 2133 MHz on the Xeon E5-4640 v4 — the Xeon E5-4640 v4 supports 200% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 5 8645HS supports up to 256 GB of RAM compared to 1.5 TB — 197.7% more capacity for professional workloads. Memory channels: 2 (Ryzen 5 8645HS) vs 4 (Xeon E5-4640 v4). PCIe lanes: 20 (Ryzen 5 8645HS) vs 40 (Xeon E5-4640 v4) — the Xeon E5-4640 v4 offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SoC (Ryzen 5 8645HS) and Intel C612 (Xeon E5-4640 v4).
| Feature | Ryzen 5 8645HS | Xeon E5-4640 v4 |
|---|---|---|
| Socket | FP8 | LGA2011 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | LPDDR5x-7500+25% | DDR4 2133 MHz |
| Max RAM Capacity | 256 GB | 1.5 TB+500% |
| RAM Channels | 2 | 4+100% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 20 | 40+100% |
Advanced Features
Neither processor supports overclocking. Only the Ryzen 5 8645HS supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (SVM) (Ryzen 5 8645HS) vs true (Xeon E5-4640 v4). The Ryzen 5 8645HS includes integrated graphics (Radeon 760M), while the Xeon E5-4640 v4 requires a dedicated GPU. Primary use case: Ryzen 5 8645HS targets Gaming, Xeon E5-4640 v4 targets Server. Direct competitor: Ryzen 5 8645HS rivals Core i5-13500H.
| Feature | Ryzen 5 8645HS | Xeon E5-4640 v4 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Radeon 760M | — |
| Unlocked | No | No |
| AVX-512 | Yes | No |
| Virtualization | AMD-V (SVM) | true |
| Target Use | Gaming | Server |
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