CPU
GPU
Core i3-1005G1
FX-8140
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 Core i3-1005G1 is positioned at rank 573 and the FX-8140 is on rank 759, so the Core i3-1005G1 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-1005G1
Performance Per Dollar FX-8140
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-1005G1 | FX-8140 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($120) |
| Longevity | ✨ Modern (Ice Lake (Client) (2019) / 10 nm) | 🛑 Legacy (Zambezi (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Core i3-1005G1 | FX-8140 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($120) |
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 Core i3-1005G1 and FX-8140
Core i3-1005G1
The Core i3-1005G1 is manufactured by Intel. It was released in 1 August 2019 (6 years ago). It is based on the Ice Lake (Client) (2019) architecture. It features 2 cores and 4 threads. Base frequency is 1.2 GHz, with boost up to 3.4 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 10 nm process technology. Socket: FCBGA1526. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 4,827 points. Launch price was $281.
FX-8140
The FX-8140 is manufactured by AMD. It was released in 23 October 2012 (13 years ago). It is based on the Zambezi (2011−2012) architecture. It features 8 cores and 8 threads. Base frequency is 3.2 GHz, with boost up to 4.1 GHz. L3 cache: 8 MB (total). L2 cache: 8 MB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 4,860 points. Launch price was $69.
Processing Power
The Core i3-1005G1 packs 2 cores / 4 threads, while the FX-8140 offers 8 cores / 8 threads — the FX-8140 has 6 more cores. Boost clocks reach 3.4 GHz on the Core i3-1005G1 versus 4.1 GHz on the FX-8140 — a 18.7% clock advantage for the FX-8140 (base: 1.2 GHz vs 3.2 GHz). The Core i3-1005G1 uses the Ice Lake (Client) (2019) architecture (10 nm), while the FX-8140 uses Zambezi (2011−2012) (32 nm). In PassMark, the Core i3-1005G1 scores 4,827 against the FX-8140's 4,860 — a 0.7% lead for the FX-8140. L3 cache: 4 MB (total) on the Core i3-1005G1 vs 8 MB (total) on the FX-8140.
| Feature | Core i3-1005G1 | FX-8140 |
|---|---|---|
| Cores / Threads | 2 / 4 | 8 / 8+300% |
| Boost Clock | 3.4 GHz | 4.1 GHz+21% |
| Base Clock | 1.2 GHz | 3.2 GHz+167% |
| L3 Cache | 4 MB (total) | 8 MB (total)+100% |
| L2 Cache | 256K (per core) | 8 MB+3100% |
| Process | 10 nm-69% | 32 nm |
| Architecture | Ice Lake (Client) (2019) | Zambezi (2011−2012) |
| PassMark | 4,827 | 4,860 |
| Cinebench R23 Multi | 2,319 | — |
| Geekbench 6 Single | 603 | — |
| Geekbench 6 Multi | 2,605 | — |
Memory & Platform
The Core i3-1005G1 uses the FCBGA1526 socket (PCIe 3.0), while the FX-8140 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i3-1005G1 | FX-8140 |
|---|---|---|
| Socket | FCBGA1526 | AM3+ |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-3200 / LPDDR4-3733 | — |
| Max RAM Capacity | 64 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x / VT-d / EPT (Core i3-1005G1) / not specified (FX-8140). The Core i3-1005G1 includes integrated graphics (Intel UHD Graphics (Ice Lake)), while the FX-8140 requires a dedicated GPU. Primary use case: Core i3-1005G1 targets Thin-and-light.
| Feature | Core i3-1005G1 | FX-8140 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel UHD Graphics (Ice Lake) | — |
| Unlocked | No | — |
| AVX-512 | Yes | — |
| Virtualization | VT-x / VT-d / EPT | — |
| Target Use | Thin-and-light | — |
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