Core i5-8400 vs Core i7-10710U
Core i5-8400
Core i7-10710U
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 i5-8400 is positioned at rank 421 and the Core i7-10710U is on rank 829, so the Core i5-8400 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-8400
Performance Per Dollar Core i7-10710U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-8400 | Core i7-10710U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($95) | ⚠️ Higher cost ($415) |
| Longevity | ✨ Modern (Coffee Lake-S (2017−2018) / 14 nm) | ✨ Modern (Comet Lake-U (2019−2020) / 14 nm) |
💎 Value Proposition
| Insight | Core i5-8400 | Core i7-10710U |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+336%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($95) | ⚠️ Higher cost ($415) |
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 i5-8400 and Core i7-10710U
Core i5-8400
The Core i5-8400 is manufactured by Intel. It was released in 5 October 2017 (8 years ago). It is based on the Coffee Lake-S (2017−2018) architecture. It features 6 cores and 6 threads. Base frequency is 2.8 GHz, with boost up to 4 GHz. L3 cache: 9 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 9,229 points. Launch price was $182.
Core i7-10710U
The Core i7-10710U is manufactured by Intel. It was released in 21 August 2019 (6 years ago). It is based on the Comet Lake-U (2019−2020) architecture. It features 6 cores and 12 threads. Base frequency is 1.1 GHz, with boost up to 4.7 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 9,240 points. Launch price was $149.
Processing Power
The Core i5-8400 packs 6 cores / 6 threads, matching the Core i7-10710U's 6 cores. Boost clocks reach 4 GHz on the Core i5-8400 versus 4.7 GHz on the Core i7-10710U — a 16.1% clock advantage for the Core i7-10710U (base: 2.8 GHz vs 1.1 GHz). The Core i5-8400 uses the Coffee Lake-S (2017−2018) architecture (14 nm), while the Core i7-10710U uses Comet Lake-U (2019−2020) (14 nm). In PassMark, the Core i5-8400 scores 9,229 against the Core i7-10710U's 9,240 — a 0.1% lead for the Core i7-10710U. L3 cache: 9 MB (total) on the Core i5-8400 vs 12 MB (total) on the Core i7-10710U.
| Feature | Core i5-8400 | Core i7-10710U |
|---|---|---|
| Cores / Threads | 6 / 6 | 6 / 12 |
| Boost Clock | 4 GHz | 4.7 GHz+18% |
| Base Clock | 2.8 GHz+155% | 1.1 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-S (2017−2018) | Comet Lake-U (2019−2020) |
| PassMark | 9,229 | 9,240 |
Memory & Platform
The Core i5-8400 uses the LGA1151 socket (PCIe 3.0), while the Core i7-10710U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-8400 versus LPDDR3-2133 on the Core i7-10710U — the Core i5-8400 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-8400 supports up to 128 GB of RAM compared to 64 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes.
| Feature | Core i5-8400 | Core i7-10710U |
|---|---|---|
| Socket | LGA1151 | FCBGA1528 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2666+33% | LPDDR3-2133 |
| Max RAM Capacity | 128 GB+100% | 64 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Both support VT-x, VT-d virtualization. Both include integrated graphics — UHD Graphics 630 (Core i5-8400) and UHD Graphics (Core i7-10710U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-8400 targets Desktop, Core i7-10710U targets Mobile.
| Feature | Core i5-8400 | Core i7-10710U |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | UHD Graphics 630 | UHD Graphics |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | Desktop | Mobile |
Value Analysis
The Core i5-8400 launched at $182 MSRP, while the Core i7-10710U debuted at $415.
| Feature | Core i5-8400 | Core i7-10710U |
|---|---|---|
| MSRP | $182-56% | $415 |
| Avg Price (30d) | $95 | — |
| Release Date | 2017 | 2019 |
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