Core i7-8705G vs Core i7-5775C
Core i7-8705G
Core i7-5775C
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 i7-8705G is positioned at rank 900 and the Core i7-5775C is on rank 773, so the Core i7-5775C offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-8705G
Performance Per Dollar Core i7-5775C
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-8705G | Core i7-5775C |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($400) | ✅ More affordable ($150) |
| Longevity | ✨ Modern (Kaby Lake G (2018) / 14 nm) | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) |
💎 Value Proposition
| Insight | Core i7-8705G | Core i7-5775C |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+169%) |
| Upfront Cost | ⚠️ Higher cost ($400) | ✅ More affordable ($150) |
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 i7-8705G and Core i7-5775C
Core i7-8705G
The Core i7-8705G is manufactured by Intel. It was released in 1 February 2018 (7 years ago). It is based on the Kaby Lake G (2018) architecture. It features 4 cores and 8 threads. Base frequency is 3.1 GHz, with boost up to 4.1 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA2270. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 7,633 points. Launch price was $149.
Core i7-5775C
The Core i7-5775C is manufactured by Intel. It was released in 15 May 2015 (10 years ago). It is based on the Broadwell (2015−2019) architecture. It features 4 cores and 8 threads. Base frequency is 3.3 GHz, with boost up to 3.7 GHz. L3 cache: 6 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1150. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 7,688 points. Launch price was $366.
Processing Power
Both the Core i7-8705G and Core i7-5775C share an identical 4-core/8-thread configuration. Boost clocks reach 4.1 GHz on the Core i7-8705G versus 3.7 GHz on the Core i7-5775C — a 10.3% clock advantage for the Core i7-8705G (base: 3.1 GHz vs 3.3 GHz). The Core i7-8705G uses the Kaby Lake G (2018) architecture (14 nm), while the Core i7-5775C uses Broadwell (2015−2019) (14 nm). In PassMark, the Core i7-8705G scores 7,633 against the Core i7-5775C's 7,688 — a 0.7% lead for the Core i7-5775C. L3 cache: 8 MB (total) on the Core i7-8705G vs 6 MB (total) on the Core i7-5775C.
| Feature | Core i7-8705G | Core i7-5775C |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 4.1 GHz+11% | 3.7 GHz |
| Base Clock | 3.1 GHz | 3.3 GHz+6% |
| L3 Cache | 8 MB (total)+33% | 6 MB (total) |
| L2 Cache | 256K (per core) | 256 kB (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Kaby Lake G (2018) | Broadwell (2015−2019) |
| PassMark | 7,633 | 7,688 |
Memory & Platform
The Core i7-8705G uses the FCBGA2270 socket (PCIe 3.0), while the Core i7-5775C uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i7-8705G | Core i7-5775C |
|---|---|---|
| Socket | FCBGA2270 | LGA1150 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
Value Analysis
The Core i7-8705G launched at $400 MSRP, while the Core i7-5775C debuted at $366. At current prices ($400 vs $150), the Core i7-5775C is $250 cheaper. In terms of value (PassMark points per dollar), the Core i7-8705G delivers 19.1 pts/$ vs 51.3 pts/$ for the Core i7-5775C — making the Core i7-5775C the 91.5% better value option.
| Feature | Core i7-8705G | Core i7-5775C |
|---|---|---|
| MSRP | $400 | $366-9% |
| Avg Price (30d) | $400 | $150-63% |
| Performance per Dollar | 19.1 | 51.3+169% |
| Release Date | 2018 | 2015 |
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