
Core i3-4005U

A8-7100
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 i3-4005U is positioned at rank 295 and the A8-7100 is on rank 746, so the Core i3-4005U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-4005U
Performance Per Dollar A8-7100
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-4005U | A8-7100 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Haswell (2013−2015) / 22 nm) | 🛑 Legacy (Kaveri (2014−2015) / 28 nm) |
💎 Value Proposition
| Insight | Core i3-4005U | A8-7100 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| 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 i3-4005U and A8-7100

Core i3-4005U
The Core i3-4005U is manufactured by Intel. It was released in 4 September 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 1.7 GHz, with boost up to 1.7 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,652 points. Launch price was $69.

A8-7100
The A8-7100 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 1.8 GHz, with boost up to 3 GHz. L2 cache: 4096 kB. Built on 28 nm process technology. Socket: FP3. Thermal design power (TDP): 4 MB. Memory support: DDR3-1600. Passmark benchmark score: 1,647 points. Launch price was $90.
Processing Power
The Core i3-4005U packs 2 cores / 4 threads, while the A8-7100 offers 4 cores / 4 threads — the A8-7100 has 2 more cores. Boost clocks reach 1.7 GHz on the Core i3-4005U versus 3 GHz on the A8-7100 — a 55.3% clock advantage for the A8-7100 (base: 1.7 GHz vs 1.8 GHz). The Core i3-4005U uses the Haswell (2013−2015) architecture (22 nm), while the A8-7100 uses Kaveri (2014−2015) (28 nm). In PassMark, the Core i3-4005U scores 1,652 against the A8-7100's 1,647 — a 0.3% lead for the Core i3-4005U.
| Feature | Core i3-4005U | A8-7100 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 1.7 GHz | 3 GHz+76% |
| Base Clock | 1.7 GHz | 1.8 GHz+6% |
| L3 Cache | 3 MB (total) | — |
| L2 Cache | 256K (per core) | 4096 kB+1500% |
| Process | 22 nm-21% | 28 nm |
| Architecture | Haswell (2013−2015) | Kaveri (2014−2015) |
| PassMark | 1,652 | 1,647 |
Memory & Platform
The Core i3-4005U uses the FCBGA1168 socket (PCIe 3.0), while the A8-7100 uses FP3 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i3-4005U | A8-7100 |
|---|---|---|
| Socket | FCBGA1168 | FP3 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | — | 1600 |
| Max RAM Capacity | — | 16 |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Core i3-4005U) / true (A8-7100). The A8-7100 includes integrated graphics (Radeon R5 Graphics), while the Core i3-4005U requires a dedicated GPU. Direct competitor: A8-7100 rivals Core i3-4010U.
| Feature | Core i3-4005U | A8-7100 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Radeon R5 Graphics |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | true |
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