CPU
GPU
Core i5-9600K
Core i7-9700T
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-9600K
Performance Per Dollar Core i7-9700T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-9600K | Core i7-9700T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($178) | ⚠️ Higher cost ($276) |
| Longevity | ✨ Modern (Coffee Lake-R (2018−2019) / 14 nm) | ✨ Modern (Coffee Lake (2017−2019) / 14 nm) |
💎 Value Proposition
| Insight | Core i5-9600K | Core i7-9700T |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+55%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($178) | ⚠️ Higher cost ($276) |
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 i5-9600K and Core i7-9700T
Core i5-9600K
The Core i5-9600K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 6 cores and 6 threads. Base frequency is 3.7 GHz, with boost up to 4.6 GHz. L3 cache: 9 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4-2666. Passmark benchmark score: 10,645 points. Launch price was $262.
Core i7-9700T
The Core i7-9700T is manufactured by Intel. It was released in 23 April 2019 (6 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 8 cores and 8 threads. Base frequency is 2 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 10,618 points. Launch price was $323.
Processing Power
The Core i5-9600K packs 6 cores / 6 threads, while the Core i7-9700T offers 8 cores / 8 threads — the Core i7-9700T has 2 more cores. Boost clocks reach 4.6 GHz on the Core i5-9600K versus 4.3 GHz on the Core i7-9700T — a 6.7% clock advantage for the Core i5-9600K (base: 3.7 GHz vs 2 GHz). The Core i5-9600K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Core i7-9700T uses Coffee Lake (2017−2019) (14 nm). In PassMark, the Core i5-9600K scores 10,645 against the Core i7-9700T's 10,618 — a 0.3% lead for the Core i5-9600K. L3 cache: 9 MB (total) on the Core i5-9600K vs 12 MB (total) on the Core i7-9700T.
| Feature | Core i5-9600K | Core i7-9700T |
|---|---|---|
| Cores / Threads | 6 / 6 | 8 / 8+33% |
| Boost Clock | 4.6 GHz+7% | 4.3 GHz |
| Base Clock | 3.7 GHz+85% | 2 GHz |
| L3 Cache | 9 MB (total) | 12 MB (total)+33% |
| L2 Cache | 256K (per core) | 256K (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Coffee Lake-R (2018−2019) | Coffee Lake (2017−2019) |
| PassMark | 10,645 | 10,618 |
Memory & Platform
Both processors use the LGA1151 socket with PCIe 3.0. Maximum memory speed reaches 2666 on the Core i5-9600K versus DDR4-2666 on the Core i7-9700T — the Core i5-9600K supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes.
| Feature | Core i5-9600K | Core i7-9700T |
|---|---|---|
| Socket | LGA1151 | LGA1151 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | 2666+66550% | DDR4-2666 |
| Max RAM Capacity | 128 | 128 GB+104857500% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Only the Core i5-9600K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: true (Core i5-9600K) vs VT-x, VT-d (Core i7-9700T). Both include integrated graphics — Intel UHD Graphics 630 (Core i5-9600K) and UHD Graphics 630 (Core i7-9700T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-9700T targets Desktop.
| Feature | Core i5-9600K | Core i7-9700T |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel UHD Graphics 630 | UHD Graphics 630 |
| Unlocked | Yes | No |
| AVX-512 | No | No |
| Virtualization | true | VT-x, VT-d |
| Target Use | — | Desktop |
Value Analysis
The Core i5-9600K launched at $263 MSRP, while the Core i7-9700T debuted at $323. At current prices ($178 vs $276), the Core i5-9600K is $98 cheaper. In terms of value (PassMark points per dollar), the Core i5-9600K delivers 59.8 pts/$ vs 38.5 pts/$ for the Core i7-9700T — making the Core i5-9600K the 43.4% better value option.
| Feature | Core i5-9600K | Core i7-9700T |
|---|---|---|
| MSRP | $263-19% | $323 |
| Avg Price (30d) | $178-36% | $276 |
| Performance per Dollar | 59.8+55% | 38.5 |
| Release Date | 2018 | 2019 |
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