
Athlon 64 3800+

Opteron 154
Athlon 64 3800+ vs Opteron 154 Performance Spectrum
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.
Athlon 64 3800+ vs Opteron 154 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Warzone

Civilization VI
Athlon 64 3800+ vs Opteron 154: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Athlon 64 3800+
2004Why buy it
- ✅Draws 89W instead of 104W, a 15W reduction.
Trade-offs
- ❌Lower PassMark (648 vs 655).
- ❌Launch MSRP is still $354 MSRP, while Opteron 154 mostly shows up through inconsistent older-market listings.
Opteron 154
2005Why buy it
Trade-offs
- ❌16.9% higher power demand at 104W vs 89W.
Quick Answers
So, is Opteron 154 better than Athlon 64 3800+?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Athlon 64 3800+ vs Opteron 154 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

Opteron 154
The Opteron 154 is manufactured by AMD. It was released in 2015-01-01. It is based on the Venus (2004−2005) architecture. It features 1 cores and 1 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 90 nm process technology. Socket: 939. Thermal design power (TDP): 104 Watt. Memory support: DDR1. Passmark benchmark score: 655 points. Launch price was $800.
Processing Power
Both the Athlon 64 3800+ and Opteron 154 share an identical 1-core/1-thread configuration. Boost clocks reach 2.4 GHz on the Athlon 64 3800+ versus 2.8 GHz on the Opteron 154 — a 15.4% clock advantage for the Opteron 154. The Athlon 64 3800+ uses the Venice (2004−2005) architecture (130 nm), while the Opteron 154 uses Venus (2004−2005) (90 nm). In PassMark, the Athlon 64 3800+ scores 648 against the Opteron 154's 655 — a 1.1% lead for the Opteron 154. Both processors carry 0 kB of L3 cache.
| Feature | Athlon 64 3800+ | Opteron 154 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2.4 GHz | 2.8 GHz+17% |
| Base Clock | — | 2.8 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB | 1 MB+100% |
| Process | 130 nm | 90 nm-31% |
| Architecture | Venice (2004−2005) | Venus (2004−2005) |
| PassMark | 648 | 655+1% |
Memory & Platform
Both processors use the 939 socket with PCIe 1.1.
| Feature | Athlon 64 3800+ | Opteron 154 |
|---|---|---|
| Socket | 939 | 939 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR2-800 | — |
| Max RAM Capacity | 16 GB | — |
| RAM Channels | 2 | — |
| ECC Support | No | — |
| PCIe Lanes | 0 | — |
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