Core i7-875K vs A10-7800
Core i7-875K
A10-7800
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 i7-875K is positioned at rank 1012 and the A10-7800 is on rank 399, so the A10-7800 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-875K
Performance Per Dollar A10-7800
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-875K | A10-7800 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($175) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Lynnfield (2009−2010) / 45 nm) | 🛑 Legacy (Kaveri (2014−2015) / 28 nm) |
💎 Value Proposition
| Insight | Core i7-875K | A10-7800 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($175) | ✅ 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 i7-875K and A10-7800
Core i7-875K
The Core i7-875K is manufactured by Intel. It was released in 30 May 2010 (15 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: 3,177 points. Launch price was $486.
A10-7800
The A10-7800 is manufactured by AMD. It was released in 2014-01-01. 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: 4096 kB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 65 Watt. Memory support: DDR3-2133. Passmark benchmark score: 3,213 points. Launch price was $130.
Processing Power
The Core i7-875K packs 4 cores / 8 threads, matching the A10-7800's 4 cores. Boost clocks reach 3.6 GHz on the Core i7-875K versus 3.9 GHz on the A10-7800 — a 8% clock advantage for the A10-7800 (base: 2.93 GHz vs 3.5 GHz). The Core i7-875K uses the Lynnfield (2009−2010) architecture (45 nm), while the A10-7800 uses Kaveri (2014−2015) (28 nm). In PassMark, the Core i7-875K scores 3,177 against the A10-7800's 3,213 — a 1.1% lead for the A10-7800.
| Feature | Core i7-875K | A10-7800 |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 4 |
| Boost Clock | 3.6 GHz | 3.9 GHz+8% |
| Base Clock | 2.93 GHz | 3.5 GHz+19% |
| L3 Cache | 8 MB (total) | — |
| L2 Cache | 256 kB (per core) | 4096 kB+1500% |
| Process | 45 nm | 28 nm-38% |
| Architecture | Lynnfield (2009−2010) | Kaveri (2014−2015) |
| PassMark | 3,177 | 3,213+1% |
| Geekbench 6 Single | — | 452 |
Memory & Platform
The Core i7-875K uses the LGA1156 socket (PCIe 2.0), while the A10-7800 uses FM2+ (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. The A10-7800 supports up to 32 GB of RAM compared to 16 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes.
| Feature | Core i7-875K | A10-7800 |
|---|---|---|
| Socket | LGA1156 | FM2+ |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | DDR3-2133 |
| Max RAM Capacity | 16 GB | 32 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Only the Core i7-875K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x (Core i7-875K) vs AMD-V (A10-7800). The A10-7800 includes integrated graphics (Radeon R7), while the Core i7-875K requires a dedicated GPU. Primary use case: Core i7-875K targets Desktop, A10-7800 targets Budget. Direct competitor: A10-7800 rivals Core i3-4150.
| Feature | Core i7-875K | A10-7800 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon R7 |
| Unlocked | Yes | No |
| AVX-512 | No | No |
| Virtualization | VT-x | AMD-V |
| Target Use | Desktop | Budget |
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