
Core i7-7700K vs Core i5-1155G7

Core i7-7700K

Core i5-1155G7
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 i7-7700K is positioned at rank 577 and the Core i5-1155G7 is on rank 677, so the Core i7-7700K offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-7700K
Performance Per Dollar Core i5-1155G7
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-7700K | Core i5-1155G7 |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($140) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) | ✨ Modern (Tiger Lake-UP3 (2020−2021) / 10 nm SuperFin) |
💎 Value Proposition
| Insight | Core i7-7700K | Core i5-1155G7 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($140) | ✅ 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 i7-7700K and Core i5-1155G7

Core i7-7700K
The Core i7-7700K is manufactured by Intel. It was released in 3 January 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 4 cores and 8 threads. Base frequency is 4.2 GHz, with boost up to 4.5 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 91 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 9,625 points. Launch price was $339.

Core i5-1155G7
The Core i5-1155G7 is manufactured by Intel. It was released in 31 May 2021 (4 years ago). It is based on the Tiger Lake-UP3 (2020−2021) architecture. It features 4 cores and 8 threads. Base frequency is 2.5 GHz, with boost up to 4.5 GHz. L3 cache: 8 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1449. Thermal design power (TDP): 28 Watt. Memory support: DDR4. Passmark benchmark score: 9,686 points. Launch price was $309.
Processing Power
Both the Core i7-7700K and Core i5-1155G7 share an identical 4-core/8-thread configuration. Boost clocks reach 4.5 GHz on the Core i7-7700K versus 4.5 GHz on the Core i5-1155G7 — identical boost frequencies (base: 4.2 GHz vs 2.5 GHz). The Core i7-7700K uses the Kaby Lake (2016−2019) architecture (14 nm), while the Core i5-1155G7 uses Tiger Lake-UP3 (2020−2021) (10 nm SuperFin). In PassMark, the Core i7-7700K scores 9,625 against the Core i5-1155G7's 9,686 — a 0.6% lead for the Core i5-1155G7. Both processors carry 8 MB (total) of L3 cache.
| Feature | Core i7-7700K | Core i5-1155G7 |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 4.5 GHz | 4.5 GHz |
| Base Clock | 4.2 GHz+68% | 2.5 GHz |
| L3 Cache | 8 MB (total) | 8 MB (total) |
| L2 Cache | 256K (per core) | 1.25 MB (per core)+400% |
| Process | 14 nm | 10 nm SuperFin-29% |
| Architecture | Kaby Lake (2016−2019) | Tiger Lake-UP3 (2020−2021) |
| PassMark | 9,625 | 9,686 |
Memory & Platform
The Core i7-7700K uses the LGA1151 socket (PCIe 3.0), while the Core i5-1155G7 uses FCBGA1449 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Core i7-7700K | Core i5-1155G7 |
|---|---|---|
| Socket | LGA1151 | FCBGA1449 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.













