
FX-8300

Xeon E3-1245
FX-8300 vs Xeon E3-1245 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.
FX-8300 vs Xeon E3-1245 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
FX-8300 vs Xeon E3-1245: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
FX-8300
2012Why buy it
- ✅Better for gaming: +12.7% higher average FPS across 50 shared CPU benchmark tests.
Trade-offs
- ❌Lower PassMark (5,333 vs 5,346).
- ❌Launch MSRP is still $197 MSRP, while Xeon E3-1245 mostly shows up through inconsistent older-market listings.
Xeon E3-1245
2011Why buy it
- ✅+0.2% higher PassMark.
Trade-offs
- ❌Worse for gaming: lower average FPS than FX-8300 across 50 shared CPU benchmark tests.
Quick Answers
So, is FX-8300 better than Xeon E3-1245?
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?
FX-8300 vs Xeon E3-1245 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

FX-8300
The FX-8300 is manufactured by AMD. It was released in 23 October 2012 (13 years ago). It is based on the Vishera (2012−2015) architecture. It features 8 cores and 8 threads. Base frequency is 3.3 GHz, with boost up to 4.2 GHz. L2 cache: 8192 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,333 points. Launch price was $149.

Xeon E3-1245
The Xeon E3-1245 is manufactured by Intel. It was released in 3 April 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.3 GHz, with boost up to 3.7 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,346 points. Launch price was $350.
Processing Power
The FX-8300 packs 8 cores / 8 threads, while the Xeon E3-1245 offers 4 cores / 8 threads — the FX-8300 has 4 more cores. Boost clocks reach 4.2 GHz on the FX-8300 versus 3.7 GHz on the Xeon E3-1245 — a 12.7% clock advantage for the FX-8300 (base: 3.3 GHz vs 3.3 GHz). The FX-8300 uses the Vishera (2012−2015) architecture (32 nm), while the Xeon E3-1245 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the FX-8300 scores 5,333 against the Xeon E3-1245's 5,346 — a 0.2% lead for the Xeon E3-1245.
| Feature | FX-8300 | Xeon E3-1245 |
|---|---|---|
| Cores / Threads | 8 / 8+100% | 4 / 8 |
| Boost Clock | 4.2 GHz+14% | 3.7 GHz |
| Base Clock | 3.3 GHz | 3.3 GHz |
| L3 Cache | — | 8 MB (total) |
| L2 Cache | 8192 kB+3100% | 256 kB (per core) |
| Process | 32 nm | 32 nm |
| Architecture | Vishera (2012−2015) | Sandy Bridge (2011−2013) |
| PassMark | 5,333 | 5,346 |
Memory & Platform
The FX-8300 uses the AM3+ socket (PCIe 2.0), while the Xeon E3-1245 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | FX-8300 | Xeon E3-1245 |
|---|---|---|
| Socket | AM3+ | LGA1155 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
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