Core i3-4340 vs Core i7-975
Core i3-4340
Core i7-975
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 i3-4340 is positioned at rank 716 and the Core i7-975 is on rank 1084, so the Core i3-4340 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-4340
Performance Per Dollar Core i7-975
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-4340 | Core i7-975 |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Haswell (2013−2015) / 22 nm) | 🛑 Legacy (Bloomfield (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Core i3-4340 | Core i7-975 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+1%) |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 i3-4340 and Core i7-975
Core i3-4340
The Core i3-4340 is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 3.6 GHz, with boost up to 3.6 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 54 Watt. Memory support: DDR3. Passmark benchmark score: 3,490 points. Launch price was $210.
Core i7-975
The Core i7-975 is manufactured by Intel. It was released in 2 June 2009 (16 years ago). It is based on the Bloomfield (2008−2010) architecture. It features 4 cores and 8 threads. Base frequency is 3.33 GHz, with boost up to 3.6 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 3,527 points. Launch price was $476.
Processing Power
The Core i3-4340 packs 2 cores / 4 threads, while the Core i7-975 offers 4 cores / 8 threads — the Core i7-975 has 2 more cores. Boost clocks reach 3.6 GHz on the Core i3-4340 versus 3.6 GHz on the Core i7-975 — identical boost frequencies (base: 3.6 GHz vs 3.33 GHz). The Core i3-4340 uses the Haswell (2013−2015) architecture (22 nm), while the Core i7-975 uses Bloomfield (2008−2010) (45 nm). In PassMark, the Core i3-4340 scores 3,490 against the Core i7-975's 3,527 — a 1.1% lead for the Core i7-975. L3 cache: 4 MB (total) on the Core i3-4340 vs 8 MB (total) on the Core i7-975.
| Feature | Core i3-4340 | Core i7-975 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 8+100% |
| Boost Clock | 3.6 GHz | 3.6 GHz |
| Base Clock | 3.6 GHz+8% | 3.33 GHz |
| L3 Cache | 4 MB (total) | 8 MB (total)+100% |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 22 nm-51% | 45 nm |
| Architecture | Haswell (2013−2015) | Bloomfield (2008−2010) |
| PassMark | 3,490 | 3,527+1% |
| Geekbench 6 Single | 1,024 | — |
Memory & Platform
The Core i3-4340 uses the LGA1150 socket (PCIe 3.0), while the Core i7-975 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i3-4340 | Core i7-975 |
|---|---|---|
| Socket | LGA1150 | LGA1366 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR3-1600 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x, EPT (Core i3-4340) / not specified (Core i7-975). The Core i3-4340 includes integrated graphics (HD Graphics 4600), while the Core i7-975 requires a dedicated GPU. Primary use case: Core i3-4340 targets Mainstream Desktop. Direct competitor: Core i3-4340 rivals FX-6350.
| Feature | Core i3-4340 | Core i7-975 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | HD Graphics 4600 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, EPT | — |
| Target Use | Mainstream Desktop | — |
Value Analysis
The Core i3-4340 launched at $149 MSRP, while the Core i7-975 debuted at $999. At current prices ($50 vs $50), the Core i7-975 is $0 cheaper. In terms of value (PassMark points per dollar), the Core i3-4340 delivers 69.8 pts/$ vs 70.5 pts/$ for the Core i7-975 — making the Core i7-975 the 1.1% better value option.
| Feature | Core i3-4340 | Core i7-975 |
|---|---|---|
| MSRP | $149-85% | $999 |
| Avg Price (30d) | $50 | $50 |
| Performance per Dollar | 69.8 | 70.5+1% |
| Release Date | 2013 | 2009 |
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