CPU
GPU
Athlon 64 3800+
Athlon 64 4000+
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 Athlon 64 3800+ is positioned at rank 1106 and the Athlon 64 4000+ is on rank 1112, so the Athlon 64 3800+ offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon 64 3800+
Performance Per Dollar Athlon 64 4000+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon 64 3800+ | Athlon 64 4000+ |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($10) | ⚠️ Higher cost ($30) |
| Longevity | 🛑 Legacy (Venice (2004−2005) / 130 nm) | 🛑 Legacy (San Diego (2001−2005) / 130 nm) |
💎 Value Proposition
| Insight | Athlon 64 3800+ | Athlon 64 4000+ |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+188%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($10) | ⚠️ Higher cost ($30) |
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 Athlon 64 3800+ and Athlon 64 4000+
Athlon 64 3800+
The Athlon 64 3800+ is manufactured by AMD. It was released in Junho 2004 (21 years ago). It is based on the Venice (2004−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2.4 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: 939. Thermal design power (TDP): 89 Watt. Memory support: DDR1. Passmark benchmark score: 648 points. Launch price was $160.
Athlon 64 4000+
The Athlon 64 4000+ is manufactured by AMD. It was released in Janeiro 2001 (24 years ago). It is based on the San Diego (2001−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2.6 GHz. L3 cache: 0 kB. L2 cache: 512K. Built on 130 nm process technology. Socket: 939. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 675 points. Launch price was $160.
Processing Power
Both the Athlon 64 3800+ and Athlon 64 4000+ share an identical 1-core/1-thread configuration. Boost clocks reach 2.4 GHz on the Athlon 64 3800+ versus 2.6 GHz on the Athlon 64 4000+ — a 8% clock advantage for the Athlon 64 4000+. The Athlon 64 3800+ uses the Venice (2004−2005) architecture (130 nm), while the Athlon 64 4000+ uses San Diego (2001−2005) (130 nm). In PassMark, the Athlon 64 3800+ scores 648 against the Athlon 64 4000+'s 675 — a 4.1% lead for the Athlon 64 4000+. Both processors carry 0 kB of L3 cache.
| Feature | Athlon 64 3800+ | Athlon 64 4000+ |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2.4 GHz | 2.6 GHz+8% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB | 512K |
| Process | 130 nm | 130 nm |
| Architecture | Venice (2004−2005) | San Diego (2001−2005) |
| PassMark | 648 | 675+4% |
Memory & Platform
Both processors use the 939 socket with PCIe 1.1. Both support up to DDR2-800 memory speed. Both support up to 16 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: AMD AM2 (Athlon 64 3800+) and AMD AM2 (Athlon 64 4000+).
| Feature | Athlon 64 3800+ | Athlon 64 4000+ |
|---|---|---|
| Socket | 939 | 939 |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | DDR2-800 | DDR2-800 |
| Max RAM Capacity | 16 GB | 16 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 0 |
Value Analysis
The Athlon 64 3800+ launched at $354 MSRP, while the Athlon 64 4000+ debuted at $482. At current prices ($10 vs $30), the Athlon 64 3800+ is $20 cheaper. In terms of value (PassMark points per dollar), the Athlon 64 3800+ delivers 64.8 pts/$ vs 22.5 pts/$ for the Athlon 64 4000+ — making the Athlon 64 3800+ the 96.9% better value option.
| Feature | Athlon 64 3800+ | Athlon 64 4000+ |
|---|---|---|
| MSRP | $354-27% | $482 |
| Avg Price (30d) | $10-67% | $30 |
| Performance per Dollar | 64.8+188% | 22.5 |
| Release Date | 2004 | 2001 |
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