
Atom Z3735G vs Athlon II X4 620e

Atom Z3735G

Athlon II X4 620e
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 Z3735G is positioned at rank 5 and the Athlon II X4 620e is on rank 605, so the Atom Z3735G offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom Z3735G
Performance Per Dollar Athlon II X4 620e
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom Z3735G | Athlon II X4 620e |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($17) | ⚠️ Higher cost ($40) |
| Longevity | 🛑 Legacy (Bay Trail-T (2013−2014) / 22 nm) | 🛑 Legacy (Propus (2009−2011) / 45 nm) |
💎 Value Proposition
| Insight | Atom Z3735G | Athlon II X4 620e |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+134%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($17) | ⚠️ Higher cost ($40) |
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 Atom Z3735G and Athlon II X4 620e

Atom Z3735G
The Atom Z3735G is manufactured by Intel. It was released in 9 April 2014 (11 years ago). It is based on the Bay Trail-T (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 1.33 GHz, with boost up to 1.83 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 22 nm process technology. Socket: UTFCBGA592. Thermal design power (TDP): 2 Watt. Memory support: DDR3. Passmark benchmark score: 2,891 points. Launch price was $17.

Athlon II X4 620e
The Athlon II X4 620e is manufactured by AMD. It was released in 2009-01-01. It is based on the Propus (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 2,906 points. Launch price was $149.
Processing Power
Both the Atom Z3735G and Athlon II X4 620e share an identical 4-core/4-thread configuration. Boost clocks reach 1.83 GHz on the Atom Z3735G versus 2.6 GHz on the Athlon II X4 620e — a 34.8% clock advantage for the Athlon II X4 620e (base: 1.33 GHz vs 2.6 GHz). The Atom Z3735G uses the Bay Trail-T (2013−2014) architecture (22 nm), while the Athlon II X4 620e uses Propus (2009−2011) (45 nm). In PassMark, the Atom Z3735G scores 2,891 against the Athlon II X4 620e's 2,906 — a 0.5% lead for the Athlon II X4 620e. L3 cache: 2 MB L2 Cache on the Atom Z3735G vs 0 kB on the Athlon II X4 620e.
| Feature | Atom Z3735G | Athlon II X4 620e |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 1.83 GHz | 2.6 GHz+42% |
| Base Clock | 1.33 GHz | 2.6 GHz+95% |
| L3 Cache | 2 MB L2 Cache | 0 kB |
| L2 Cache | 2 MB+300% | 512 kB (per core) |
| Process | 22 nm-51% | 45 nm |
| Architecture | Bay Trail-T (2013−2014) | Propus (2009−2011) |
| PassMark | 2,891 | 2,906 |
Memory & Platform
The Atom Z3735G uses the UTFCBGA592 socket (PCIe 2.0), while the Athlon II X4 620e uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3L-RS 1333 memory speed. The Athlon II X4 620e supports up to 32 GB of RAM compared to 1 GB — 187.9% more capacity for professional workloads. Memory channels: 1 (Atom Z3735G) vs 2 (Athlon II X4 620e). Both provide 0 PCIe lanes. Chipset compatibility: Intel FC-UTBGA592 (Atom Z3735G) and AMD AM3 (Athlon II X4 620e).
| Feature | Atom Z3735G | Athlon II X4 620e |
|---|---|---|
| Socket | UTFCBGA592 | AM3 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3L-RS 1333 | DDR3-1333 |
| Max RAM Capacity | 1 GB | 32 GB+3100% |
| RAM Channels | 1 | 2+100% |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 0 |
Advanced Features
The Atom Z3735G includes integrated graphics (Intel HD Graphics (Bay Trail)), while the Athlon II X4 620e requires a dedicated GPU.
| Feature | Atom Z3735G | Athlon II X4 620e |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel HD Graphics (Bay Trail) | — |
Value Analysis
The Atom Z3735G launched at $17 MSRP, while the Athlon II X4 620e debuted at $99.
| Feature | Atom Z3735G | Athlon II X4 620e |
|---|---|---|
| MSRP | $17-83% | $99 |
| Avg Price (30d) | — | $40 |
| Release Date | 2014 | 2011 |
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