
Athlon II X3 455

Opteron 3320 EE
Athlon II X3 455 vs Opteron 3320 EE 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 II X3 455 vs Opteron 3320 EE 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

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Athlon II X3 455 vs Opteron 3320 EE: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Athlon II X3 455
2010Why buy it
- ✅Better for gaming: +3.1% higher average FPS across 50 shared CPU benchmark tests.
Trade-offs
- ❌Less compelling for workstation-style loads than Opteron 3320 EE, which brings 4 cores / 4 threads.
- ❌Launch MSRP is still $88 MSRP, while Opteron 3320 EE mostly shows up through inconsistent older-market listings.
- ❌280% higher power demand at 95W vs 25W.
Opteron 3320 EE
2012Why buy it
- ✅Better for workstations and heavier parallel workloads: 4 cores / 4 threads.
- ✅Draws 25W instead of 95W, a 70W reduction.
Trade-offs
- ❌Worse for gaming: lower average FPS than Athlon II X3 455 across 50 shared CPU benchmark tests.
- ❌Lower PassMark (1,918 vs 1,938).
Quick Answers
So, is Athlon II X3 455 better than Opteron 3320 EE?
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 II X3 455 vs Opteron 3320 EE Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Athlon II X3 455
The Athlon II X3 455 is manufactured by AMD. It was released in 7 December 2010 (14 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 3.3 GHz, with boost up to 3.3 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 1,938 points. Launch price was $88.

Opteron 3320 EE
The Opteron 3320 EE is manufactured by AMD. It was released in 2015-01-01. It is based on the Delhi (2012−2013) architecture. It features 4 cores and 4 threads. Base frequency is 1.9 GHz, with boost up to 2.5 GHz. L3 cache: 8192 kB (total). L2 cache: 4096 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 25 Watt. Memory support: DDR3. Passmark benchmark score: 1,918 points. Launch price was $800.
Processing Power
The Athlon II X3 455 packs 3 cores / 3 threads, while the Opteron 3320 EE offers 4 cores / 4 threads — the Opteron 3320 EE has 1 more core. Boost clocks reach 3.3 GHz on the Athlon II X3 455 versus 2.5 GHz on the Opteron 3320 EE — a 27.6% clock advantage for the Athlon II X3 455 (base: 3.3 GHz vs 1.9 GHz). The Athlon II X3 455 uses the Rana (2009−2011) architecture (45 nm), while the Opteron 3320 EE uses Delhi (2012−2013) (32 nm). In PassMark, the Athlon II X3 455 scores 1,938 against the Opteron 3320 EE's 1,918 — a 1% lead for the Athlon II X3 455. L3 cache: 0 kB on the Athlon II X3 455 vs 8192 kB (total) on the Opteron 3320 EE.
| Feature | Athlon II X3 455 | Opteron 3320 EE |
|---|---|---|
| Cores / Threads | 3 / 3 | 4 / 4+33% |
| Boost Clock | 3.3 GHz+32% | 2.5 GHz |
| Base Clock | 3.3 GHz+74% | 1.9 GHz |
| L3 Cache | 0 kB | 8192 kB (total) |
| L2 Cache | 512 kB (per core) | 4096 kB+700% |
| Process | 45 nm | 32 nm-29% |
| Architecture | Rana (2009−2011) | Delhi (2012−2013) |
| PassMark | 1,938+1% | 1,918 |
Memory & Platform
The Athlon II X3 455 uses the AM3 socket (PCIe 2.0), while the Opteron 3320 EE uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Athlon II X3 455 | Opteron 3320 EE |
|---|---|---|
| Socket | AM3 | AM3+ |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1333 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | No | — |
| PCIe Lanes | 0 | — |
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