FX-770K vs Core i7-870
FX-770K
Core i7-870
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
Performance Per Dollar Core i7-870
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | FX-770K | Core i7-870 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($59) | ⚠️ Higher cost ($80) |
| Longevity | 🛑 Legacy (Kaveri (2014−2015) / 28 nm) | 🛑 Legacy (Lynnfield (2009−2010) / 45 nm) |
💎 Value Proposition
| Insight | FX-770K | Core i7-870 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+36%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($59) | ⚠️ Higher cost ($80) |
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 FX-770K and Core i7-870
FX-770K
The FX-770K is manufactured by AMD. It was released in Dezembro 2014 (11 years ago). It is based on the Kaveri (2014−2015) architecture. It features 4 cores and 4 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L2 cache: 4 MB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 65 Watt. Memory support: DDR3-2133. Passmark benchmark score: 3,172 points. Launch price was $69.
Core i7-870
The Core i7-870 is manufactured by Intel. It was released in 8 September 2009 (16 years ago). It is based on the Lynnfield (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.93 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: LGA1156. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 3,164 points. Launch price was $305.
Processing Power
The FX-770K packs 4 cores / 4 threads, matching the Core i7-870's 4 cores. Boost clocks reach 3.9 GHz on the FX-770K versus 3.6 GHz on the Core i7-870 — a 8% clock advantage for the FX-770K (base: 3.5 GHz vs 2.93 GHz). The FX-770K uses the Kaveri (2014−2015) architecture (28 nm), while the Core i7-870 uses Lynnfield (2009−2010) (45 nm). In PassMark, the FX-770K scores 3,172 against the Core i7-870's 3,164 — a 0.3% lead for the FX-770K.
| Feature | FX-770K | Core i7-870 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 8 |
| Boost Clock | 3.9 GHz+8% | 3.6 GHz |
| Base Clock | 3.5 GHz+19% | 2.93 GHz |
| L3 Cache | — | 8 MB (total) |
| L2 Cache | 4 MB+1500% | 256 kB (per core) |
| Process | 28 nm-38% | 45 nm |
| Architecture | Kaveri (2014−2015) | Lynnfield (2009−2010) |
| PassMark | 3,172 | 3,164 |
| Geekbench 6 Single | — | 476 |
| Geekbench 6 Multi | — | 1,541 |
Memory & Platform
The FX-770K uses the FM2+ socket (PCIe 3.0), while the Core i7-870 uses LGA1156 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | FX-770K | Core i7-870 |
|---|---|---|
| Socket | FM2+ | LGA1156 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | — | DDR3-1333 |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (FX-770K) / VT-x, VT-d (Core i7-870). Primary use case: Core i7-870 targets Legacy Desktop.
| Feature | FX-770K | Core i7-870 |
|---|---|---|
| Integrated GPU | — | No |
| IGPU Model | — | None |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Legacy Desktop |
Value Analysis
The FX-770K launched at $0 MSRP, while the Core i7-870 debuted at $300. At current prices ($59 vs $80), the FX-770K is $21 cheaper. In terms of value (PassMark points per dollar), the FX-770K delivers 53.8 pts/$ vs 39.5 pts/$ for the Core i7-870 — making the FX-770K the 30.5% better value option.
| Feature | FX-770K | Core i7-870 |
|---|---|---|
| MSRP | $0-100% | $300 |
| Avg Price (30d) | $59-26% | $80 |
| Performance per Dollar | 53.8+36% | 39.5 |
| Release Date | 2014 | 2009 |
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