FX-8120 vs Xeon E3-1280 v2

FX-8120 vs Xeon E3-1280 v2 Performance Spectrum

FX-8120

8 / 8

6,594

0.0%

Ryzen Threadripper 3970X

Ryzen Threadripper PRO 7965WX

Xeon E3-1280 v2

4 / 8

6,619

+0.4%

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-8120 vs Xeon E3-1280 v2 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.

FX-8120 vs Xeon E3-1280 v2: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

FX-8120

2011

Why buy it

✅Costs $110 less on MSRP ($205 MSRP vs $315 MSRP).
✅Delivers 53.1% more PassMark for each dollar spent, at 32.2 vs 21.0 PassMark/$ ($205 MSRP vs $315 MSRP).

Trade-offs

❌Lower PassMark (6,594 vs 6,619).
❌81.2% higher power demand at 125W vs 69W.

Xeon E3-1280 v2

2012

Why buy it

✅+0.4% higher PassMark.
✅Draws 69W instead of 125W, a 56W reduction.

Trade-offs

❌Lower PassMark per dollar, at 21.0 vs 32.2 PassMark/$ ($315 MSRP vs $205 MSRP).

Quick Answers

So, is Xeon E3-1280 v2 better than FX-8120?

Not really, because they are built for different jobs. Xeon E3-1280 v2 makes more sense for workstation-style multi-core throughput, while FX-8120 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

For gaming, this matchup is basically a tie in the data we have.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon E3-1280 v2 is the stronger fit. You are getting 0.4% better PassMark, backed by 4 cores and 8 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Xeon E3-1280 v2 is still the much better call for a fresh build. Xeon E3-1280 v2 comes in 53.7% more expensive on MSRP at $315 MSRP versus $205 MSRP, and it still gives you a 1.2% average FPS lead across 50 shared CPU game tests in our data. FX-8120 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2011 platform. Even with 53.1% better value on paper (32.2 vs 21.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on AM3+.

Which one is more future-proof for 2026 and beyond?

Xeon E3-1280 v2 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2011) and more multi-core headroom with 4 cores / 8 threads instead of 8/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

FX-8120 vs Xeon E3-1280 v2 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

FX-8120

The FX-8120 is manufactured by AMD. It was released in 12 October 2011 (14 years ago). It is based on the Zambezi (2011−2012) architecture. It features 8 cores and 8 threads. Base frequency is 3.1 GHz, with boost up to 4 GHz. L3 cache: 8192 kB. L2 cache: 8192 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 6,594 points. Launch price was $149.

Xeon E3-1280 v2

The Xeon E3-1280 v2 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 69 Watt. Memory support: DDR3. Passmark benchmark score: 6,619 points. Launch price was $645.

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Processing Power

The FX-8120 packs 8 cores / 8 threads, while the Xeon E3-1280 v2 offers 4 cores / 8 threads — the FX-8120 has 4 more cores. Boost clocks reach 4 GHz on the FX-8120 versus 4 GHz on the Xeon E3-1280 v2 — identical boost frequencies (base: 3.1 GHz vs 3.6 GHz). The FX-8120 uses the Zambezi (2011−2012) architecture (32 nm), while the Xeon E3-1280 v2 uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the FX-8120 scores 6,594 against the Xeon E3-1280 v2's 6,619 — a 0.4% lead for the Xeon E3-1280 v2. L3 cache: 8192 kB on the FX-8120 vs 8 MB (total) on the Xeon E3-1280 v2.

Feature	FX-8120	Xeon E3-1280 v2
Cores / Threads	8 / 8+100%	4 / 8
Boost Clock	4 GHz	4 GHz
Base Clock	3.1 GHz	3.6 GHz+16%
L3 Cache	8192 kB	8 MB (total)
L2 Cache	8192 kB+3100%	256 kB (per core)
Process	32 nm	22 nm-31%
Architecture	Zambezi (2011−2012)	Ivy Bridge (2012−2013)
PassMark	6,594	6,619

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Memory & Platform

The FX-8120 uses the AM3+ socket (PCIe 2.0), while the Xeon E3-1280 v2 uses LGA1155 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	FX-8120	Xeon E3-1280 v2
Socket	AM3+	LGA1155
PCIe Generation	PCIe 2.0	PCIe 3.0+50%

💰

Value Analysis

At launch, the FX-8120 was priced at $205, while the Xeon E3-1280 v2 came in at $315. On launch pricing ($205 vs $315), FX-8120 was $110 cheaper. In terms of value on MSRP (PassMark points per dollar), the FX-8120 delivers 32.2 pts/$ vs 21.0 pts/$ for the Xeon E3-1280 v2 — making the FX-8120 the 41.9% better value option.

Feature	FX-8120	Xeon E3-1280 v2
MSRP	$205-35%	$315
Performance per Dollar	32.2+53%	21.0
Release Date	2011	2012

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