CPU
GPU
Core i7-8665UE
Core i3-1005G1
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 i7-8665UE is positioned at rank 1037 and the Core i3-1005G1 is on rank 573, 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 i7-8665UE
Performance Per Dollar Core i3-1005G1
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-8665UE | Core i3-1005G1 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($409) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Whiskey Lake-U (2018−2019) / 14 nm) | ✨ Modern (Ice Lake (Client) (2019) / 10 nm) |
💎 Value Proposition
| Insight | Core i7-8665UE | Core i3-1005G1 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($409) | ✅ More affordable ($0) |
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 i7-8665UE and Core i3-1005G1
Core i7-8665UE
The Core i7-8665UE is manufactured by Intel. It was released in 1 October 2018 (7 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 4 cores and 8 threads. Base frequency is 1.7 GHz, with boost up to 4.4 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 4,852 points. Launch price was $409.
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.
Processing Power
The Core i7-8665UE packs 4 cores / 8 threads, while the Core i3-1005G1 offers 2 cores / 4 threads — the Core i7-8665UE has 2 more cores. Boost clocks reach 4.4 GHz on the Core i7-8665UE versus 3.4 GHz on the Core i3-1005G1 — a 25.6% clock advantage for the Core i7-8665UE (base: 1.7 GHz vs 1.2 GHz). The Core i7-8665UE uses the Whiskey Lake-U (2018−2019) architecture (14 nm), while the Core i3-1005G1 uses Ice Lake (Client) (2019) (10 nm). In PassMark, the Core i7-8665UE scores 4,852 against the Core i3-1005G1's 4,827 — a 0.5% lead for the Core i7-8665UE. L3 cache: 8 MB (total) on the Core i7-8665UE vs 4 MB (total) on the Core i3-1005G1.
| Feature | Core i7-8665UE | Core i3-1005G1 |
|---|---|---|
| Cores / Threads | 4 / 8+100% | 2 / 4 |
| Boost Clock | 4.4 GHz+29% | 3.4 GHz |
| Base Clock | 1.7 GHz+42% | 1.2 GHz |
| L3 Cache | 8 MB (total)+100% | 4 MB (total) |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 14 nm | 10 nm-29% |
| Architecture | Whiskey Lake-U (2018−2019) | Ice Lake (Client) (2019) |
| PassMark | 4,852 | 4,827 |
| Cinebench R23 Multi | — | 2,319 |
| Geekbench 6 Single | — | 603 |
| Geekbench 6 Multi | — | 2,605 |
Memory & Platform
The Core i7-8665UE uses the FCBGA1528 socket (PCIe 3.0), while the Core i3-1005G1 uses FCBGA1526 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-2400 memory speed. Both support up to 64 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes.
| Feature | Core i7-8665UE | Core i3-1005G1 |
|---|---|---|
| Socket | FCBGA1528 | FCBGA1526 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2400 | DDR4-3200 / LPDDR4-3733 |
| Max RAM Capacity | 64 GB | 64 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Only the Core i3-1005G1 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i7-8665UE) vs VT-x / VT-d / EPT (Core i3-1005G1). Both include integrated graphics — UHD Graphics 620 (Core i7-8665UE) and Intel UHD Graphics (Ice Lake) (Core i3-1005G1) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-8665UE targets Embedded, Core i3-1005G1 targets Thin-and-light.
| Feature | Core i7-8665UE | Core i3-1005G1 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | UHD Graphics 620 | Intel UHD Graphics (Ice Lake) |
| Unlocked | No | No |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | VT-x / VT-d / EPT |
| Target Use | Embedded | Thin-and-light |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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