
Core i5-9400T vs Core i7-1065G7

Core i5-9400T

Core i7-1065G7
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 i5-9400T
Performance Per Dollar Core i7-1065G7
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-9400T | Core i7-1065G7 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($60) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Coffee Lake (2017−2019) / 14 nm) | ✨ Modern (Ice Lake (Client) (2019) / 10 nm) |
💎 Value Proposition
| Insight | Core i5-9400T | Core i7-1065G7 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($60) | ✅ 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 i5-9400T and Core i7-1065G7

Core i5-9400T
The Core i5-9400T is manufactured by Intel. It was released in 1 September 2018 (7 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 6 cores and 6 threads. Base frequency is 1.8 GHz, with boost up to 3.4 GHz. L3 cache: 9 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: 8,180 points. Launch price was $182.

Core i7-1065G7
The Core i7-1065G7 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 4 cores and 8 threads. Base frequency is 1.3 GHz, with boost up to 3.9 GHz. L3 cache: 8 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: 8,145 points. Launch price was $426.
Processing Power
The Core i5-9400T packs 6 cores / 6 threads, while the Core i7-1065G7 offers 4 cores / 8 threads — the Core i5-9400T has 2 more cores. Boost clocks reach 3.4 GHz on the Core i5-9400T versus 3.9 GHz on the Core i7-1065G7 — a 13.7% clock advantage for the Core i7-1065G7 (base: 1.8 GHz vs 1.3 GHz). The Core i5-9400T uses the Coffee Lake (2017−2019) architecture (14 nm), while the Core i7-1065G7 uses Ice Lake (Client) (2019) (10 nm). In PassMark, the Core i5-9400T scores 8,180 against the Core i7-1065G7's 8,145 — a 0.4% lead for the Core i5-9400T. L3 cache: 9 MB (total) on the Core i5-9400T vs 8 MB (total) on the Core i7-1065G7.
| Feature | Core i5-9400T | Core i7-1065G7 |
|---|---|---|
| Cores / Threads | 6 / 6+50% | 4 / 8 |
| Boost Clock | 3.4 GHz | 3.9 GHz+15% |
| Base Clock | 1.8 GHz+38% | 1.3 GHz |
| L3 Cache | 9 MB (total)+13% | 8 MB (total) |
| L2 Cache | 256K (per core) | 256K (per core) |
| Process | 14 nm | 10 nm-29% |
| Architecture | Coffee Lake (2017−2019) | Ice Lake (Client) (2019) |
| PassMark | 8,180 | 8,145 |
Memory & Platform
The Core i5-9400T uses the LGA1151 socket (PCIe 3.0), while the Core i7-1065G7 uses FCBGA1526 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i5-9400T | Core i7-1065G7 |
|---|---|---|
| Socket | LGA1151 | FCBGA1526 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2666 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i5-9400T) / not specified (Core i7-1065G7). The Core i5-9400T includes integrated graphics (UHD Graphics 630), while the Core i7-1065G7 requires a dedicated GPU. Primary use case: Core i5-9400T targets Desktop.
| Feature | Core i5-9400T | Core i7-1065G7 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | UHD Graphics 630 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Desktop | — |
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