CPU
GPU
Atom x5-Z8500
Pentium G645T
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 Atom x5-Z8500 is positioned at rank 450 and the Pentium G645T is on rank 807, so the Atom x5-Z8500 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom x5-Z8500
Performance Per Dollar Pentium G645T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom x5-Z8500 | Pentium G645T |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (Cherry Trail (2015−2016) / 14 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Atom x5-Z8500 | Pentium G645T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
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.
Counter-Strike 2
Valorant
Technical Specifications
Side-by-side comparison of Atom x5-Z8500 and Pentium G645T
Atom x5-Z8500
The Atom x5-Z8500 is manufactured by Intel. It was released in 2 March 2015 (10 years ago). It is based on the Cherry Trail (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.44 GHz, with boost up to 2.24 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: UTFCBGA1380. Memory support: DDR3. Passmark benchmark score: 1,242 points. Launch price was $69.
Pentium G645T
The Pentium G645T is manufactured by Intel. It was released in 2007-01-01. It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.5 GHz, with boost up to 2.5 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,238 points. Launch price was $69.
Processing Power
The Atom x5-Z8500 packs 4 cores / 4 threads, while the Pentium G645T offers 2 cores / 2 threads — the Atom x5-Z8500 has 2 more cores. Boost clocks reach 2.24 GHz on the Atom x5-Z8500 versus 2.5 GHz on the Pentium G645T — a 11% clock advantage for the Pentium G645T (base: 1.44 GHz vs 2.5 GHz). The Atom x5-Z8500 uses the Cherry Trail (2015−2016) architecture (14 nm), while the Pentium G645T uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Atom x5-Z8500 scores 1,242 against the Pentium G645T's 1,238 — a 0.3% lead for the Atom x5-Z8500. L3 cache: 0 kB on the Atom x5-Z8500 vs 3 MB (total) on the Pentium G645T.
| Feature | Atom x5-Z8500 | Pentium G645T |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 2.24 GHz | 2.5 GHz+12% |
| Base Clock | 1.44 GHz | 2.5 GHz+74% |
| L3 Cache | 0 kB | 3 MB (total) |
| L2 Cache | 2 MB+700% | 256 kB (per core) |
| Process | 14 nm-56% | 32 nm |
| Architecture | Cherry Trail (2015−2016) | Sandy Bridge (2011−2013) |
| PassMark | 1,242 | 1,238 |
Memory & Platform
The Atom x5-Z8500 uses the UTFCBGA1380 socket (PCIe 3.0), while the Pentium G645T uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Atom x5-Z8500 | Pentium G645T |
|---|---|---|
| Socket | UTFCBGA1380 | LGA1155 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | LPDDR3-1600 | — |
| Max RAM Capacity | 8 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 2 | — |
Advanced Features
The Atom x5-Z8500 includes integrated graphics (Intel HD Graphics (Cherry Trail)), while the Pentium G645T requires a dedicated GPU.
| Feature | Atom x5-Z8500 | Pentium G645T |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel HD Graphics (Cherry Trail) | — |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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