Atom Z3740 vs A10-7850K
Atom Z3740
A10-7850K
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 Z3740 is positioned at rank 172 and the A10-7850K is on rank 375, so the Atom Z3740 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom Z3740
Performance Per Dollar A10-7850K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom Z3740 | A10-7850K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Bay Trail-T (2013−2014) / 22 nm) | 🛑 Legacy (Godaveri (2014−2016) / 28 nm) |
💎 Value Proposition
| Insight | Atom Z3740 | A10-7850K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Z3740 and A10-7850K
Atom Z3740
The Atom Z3740 is manufactured by Intel. It was released in 27 September 2013 (12 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 1.86 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 22 nm process technology. Socket: UTFCBGA1380. Thermal design power (TDP): 2 Watt. Memory support: DDR3. Passmark benchmark score: 3,380 points. Launch price was $32.
A10-7850K
The A10-7850K is manufactured by AMD. It was released in 14 January 2014 (11 years ago). It is based on the Godaveri (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 3.7 GHz, with boost up to 4 GHz. L3 cache: 0 kB. L2 cache: 4096 kB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 95 Watt. Memory support: DDR3-2133. Passmark benchmark score: 3,394 points. Launch price was $173.
Processing Power
Both the Atom Z3740 and A10-7850K share an identical 4-core/4-thread configuration. Boost clocks reach 1.86 GHz on the Atom Z3740 versus 4 GHz on the A10-7850K — a 73% clock advantage for the A10-7850K (base: 1.33 GHz vs 3.7 GHz). The Atom Z3740 uses the Bay Trail-T (2013−2014) architecture (22 nm), while the A10-7850K uses Godaveri (2014−2016) (28 nm). In PassMark, the Atom Z3740 scores 3,380 against the A10-7850K's 3,394 — a 0.4% lead for the A10-7850K. Both processors carry 0 kB of L3 cache.
| Feature | Atom Z3740 | A10-7850K |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 1.86 GHz | 4 GHz+115% |
| Base Clock | 1.33 GHz | 3.7 GHz+178% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512K (per core) | 4096 kB+700% |
| Process | 22 nm-21% | 28 nm |
| Architecture | Bay Trail-T (2013−2014) | Godaveri (2014−2016) |
| PassMark | 3,380 | 3,394 |
| Geekbench 6 Single | — | 510 |
Memory & Platform
The Atom Z3740 uses the UTFCBGA1380 socket (PCIe 2.0), while the A10-7850K uses FM2+ (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to LPDDR3-1066 memory speed. The A10-7850K supports up to 32 GB of RAM compared to 4 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Atom Z3740) vs 16 (A10-7850K) — the A10-7850K offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FC-UTBGA592 (Atom Z3740) and A55,A58,A68H,A75,A78,A88X (A10-7850K).
| Feature | Atom Z3740 | A10-7850K |
|---|---|---|
| Socket | UTFCBGA1380 | FM2+ |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | LPDDR3-1066 | DDR3-2133 |
| Max RAM Capacity | 4 GB | 32 GB+700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Virtualization: not specified (Atom Z3740) / AMD-V (A10-7850K). Both include integrated graphics — Intel HD Graphics (Bay Trail) (Atom Z3740) and Radeon R7 (A10-7850K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A10-7850K targets Budget. Direct competitor: A10-7850K rivals Core i3-4340.
| Feature | Atom Z3740 | A10-7850K |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel HD Graphics (Bay Trail) | Radeon R7 |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Budget |
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