
Core i7-940

A10-5800B
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 i7-940 is positioned at rank 1071 and the A10-5800B is on rank 424, so the A10-5800B offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-940
Performance Per Dollar A10-5800B
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-940 | A10-5800B |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($90) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Bloomfield (2008−2010) / 45 nm) | 🛑 Legacy (Trinity (2012−2013) / 32 nm) |
💎 Value Proposition
| Insight | Core i7-940 | A10-5800B |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($90) | ✅ 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 i7-940 and A10-5800B

Core i7-940
The Core i7-940 is manufactured by Intel. It was released in Novembro 2008 (17 years ago). It is based on the Bloomfield (2008−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.93 GHz, with boost up to 3.2 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: 3,029 points. Launch price was $299.

A10-5800B
The A10-5800B is manufactured by AMD. It was released in 2014-01-01. It is based on the Trinity (2012−2013) architecture. It features 4 cores and 4 threads. Base frequency is 3.8 GHz, with boost up to 4.2 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FM2. Thermal design power (TDP): 100 Watt. Memory support: DDR3. Passmark benchmark score: 3,027 points. Launch price was $130.
Processing Power
The Core i7-940 packs 4 cores / 8 threads, matching the A10-5800B's 4 cores. Boost clocks reach 3.2 GHz on the Core i7-940 versus 4.2 GHz on the A10-5800B — a 27% clock advantage for the A10-5800B (base: 2.93 GHz vs 3.8 GHz). The Core i7-940 uses the Bloomfield (2008−2010) architecture (45 nm), while the A10-5800B uses Trinity (2012−2013) (32 nm). In PassMark, the Core i7-940 scores 3,029 against the A10-5800B's 3,027 — a 0.1% lead for the Core i7-940. L3 cache: 8 MB (total) on the Core i7-940 vs 0 kB on the A10-5800B.
| Feature | Core i7-940 | A10-5800B |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 4 |
| Boost Clock | 3.2 GHz | 4.2 GHz+31% |
| Base Clock | 2.93 GHz | 3.8 GHz+30% |
| L3 Cache | 8 MB (total) | 0 kB |
| L2 Cache | 256 kB (per core) | 1 MB (per core)+300% |
| Process | 45 nm | 32 nm-29% |
| Architecture | Bloomfield (2008−2010) | Trinity (2012−2013) |
| PassMark | 3,029 | 3,027 |
| Geekbench 6 Single | — | 459 |
Memory & Platform
The Core i7-940 uses the LGA1366 socket (PCIe 2.0), while the A10-5800B uses FM2 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1066 memory speed. The A10-5800B supports up to 32 GB of RAM compared to 24 GB — 28.6% more capacity for professional workloads. Memory channels: 3 (Core i7-940) vs 2 (A10-5800B). PCIe lanes: 36 (Core i7-940) vs 16 (A10-5800B) — the Core i7-940 offers 20 more lanes for additional GPUs or NVMe drives.
| Feature | Core i7-940 | A10-5800B |
|---|---|---|
| Socket | LGA1366 | FM2 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1066 | DDR3-1866 |
| Max RAM Capacity | 24 GB | 32 GB+33% |
| RAM Channels | 3+50% | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 36+125% | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Core i7-940) vs AMD-V (A10-5800B). The A10-5800B includes integrated graphics (Radeon HD 7660D), while the Core i7-940 requires a dedicated GPU. Primary use case: Core i7-940 targets Desktop, A10-5800B targets Office. Direct competitor: A10-5800B rivals Core i3-3220.
| Feature | Core i7-940 | A10-5800B |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon HD 7660D |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | AMD-V |
| Target Use | Desktop | Office |
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