Core i7-7700 vs Core i7-3970X
Core i7-7700
Core i7-3970X
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 i7-7700 is positioned at rank 574 and the Core i7-3970X is on rank 1020, so the Core i7-7700 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-7700
Performance Per Dollar Core i7-3970X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-7700 | Core i7-3970X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($102) | ✅ More affordable ($60) |
| Longevity | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) | 🛑 Legacy (Sandy Bridge-E (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Core i7-7700 | Core i7-3970X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+68%) |
| Upfront Cost | ⚠️ Higher cost ($102) | ✅ More affordable ($60) |
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 i7-7700 and Core i7-3970X
Core i7-7700
The Core i7-7700 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 3.6 GHz, with boost up to 4.2 GHz. L3 cache: 8 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: 8,642 points. Launch price was $303.
Core i7-3970X
The Core i7-3970X is manufactured by Intel. It was released in 1 November 2012 (13 years ago). It is based on the Sandy Bridge-E (2011−2013) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 4 GHz. L3 cache: 15 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 150 Watt. Memory support: DDR3. Passmark benchmark score: 8,554 points. Launch price was $593.
Processing Power
The Core i7-7700 packs 4 cores / 8 threads, while the Core i7-3970X offers 6 cores / 12 threads — the Core i7-3970X has 2 more cores. Boost clocks reach 4.2 GHz on the Core i7-7700 versus 4 GHz on the Core i7-3970X — a 4.9% clock advantage for the Core i7-7700 (base: 3.6 GHz vs 3.5 GHz). The Core i7-7700 uses the Kaby Lake (2016−2019) architecture (14 nm), while the Core i7-3970X uses Sandy Bridge-E (2011−2013) (32 nm). In PassMark, the Core i7-7700 scores 8,642 against the Core i7-3970X's 8,554 — a 1% lead for the Core i7-7700. L3 cache: 8 MB (total) on the Core i7-7700 vs 15 MB (total) on the Core i7-3970X.
| Feature | Core i7-7700 | Core i7-3970X |
|---|---|---|
| Cores / Threads | 4 / 8 | 6 / 12+50% |
| Boost Clock | 4.2 GHz+5% | 4 GHz |
| Base Clock | 3.6 GHz+3% | 3.5 GHz |
| L3 Cache | 8 MB (total) | 15 MB (total)+88% |
| L2 Cache | 256K (per core) | 256 kB (per core) |
| Process | 14 nm-56% | 32 nm |
| Architecture | Kaby Lake (2016−2019) | Sandy Bridge-E (2011−2013) |
| PassMark | 8,642+1% | 8,554 |
| Cinebench R23 Multi | 1,435 | — |
| Geekbench 6 Single | — | 742 |
Memory & Platform
The Core i7-7700 uses the LGA1151 socket (PCIe 3.0), while the Core i7-3970X uses LGA2011 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Core i7-7700 versus DDR3-1600 on the Core i7-3970X — the Core i7-7700 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 64 GB of RAM. Memory channels: 2 (Core i7-7700) vs 4 (Core i7-3970X). PCIe lanes: 16 (Core i7-7700) vs 40 (Core i7-3970X) — the Core i7-3970X offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: 100-series,200-series (Core i7-7700) and X79 (Core i7-3970X).
| Feature | Core i7-7700 | Core i7-3970X |
|---|---|---|
| Socket | LGA1151 | LGA2011 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2400+33% | DDR3-1600 |
| Max RAM Capacity | 64 GB | 64 GB |
| RAM Channels | 2 | 4+100% |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 40+150% |
Advanced Features
Only the Core i7-3970X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x, VT-d, EPT virtualization. The Core i7-7700 includes integrated graphics (HD Graphics 630), while the Core i7-3970X requires a dedicated GPU. Primary use case: Core i7-7700 targets Gaming, Core i7-3970X targets HEDT Desktop. Direct competitor: Core i7-7700 rivals Ryzen 5 1600; Core i7-3970X rivals FX-9590.
| Feature | Core i7-7700 | Core i7-3970X |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | HD Graphics 630 | None |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d, EPT | VT-x, VT-d, EPT |
| Target Use | Gaming | HEDT Desktop |
Value Analysis
The Core i7-7700 launched at $272 MSRP, while the Core i7-3970X debuted at $990. At current prices ($102 vs $60), the Core i7-3970X is $42 cheaper. In terms of value (PassMark points per dollar), the Core i7-7700 delivers 84.7 pts/$ vs 142.6 pts/$ for the Core i7-3970X — making the Core i7-3970X the 50.9% better value option.
| Feature | Core i7-7700 | Core i7-3970X |
|---|---|---|
| MSRP | $272-73% | $990 |
| Avg Price (30d) | $102 | $60-41% |
| Performance per Dollar | 84.7 | 142.6+68% |
| Release Date | 2017 | 2012 |
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