FX-8120 vs Xeon E7340

FX-8120 vs Xeon E7340 Performance Spectrum

FX-8120

8 / 8

6,594

+0.8%

Ryzen Threadripper 3970X

Ryzen Threadripper PRO 7965WX

Xeon E7340

6,544

0.0%

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 E7340 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 E7340: 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

✅Better for gaming: +8.1% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $8 less on MSRP ($205 MSRP vs $213 MSRP).

Trade-offs

❌56.3% higher power demand at 125W vs 80W.

Xeon E7340

2007

Why buy it

✅Draws 80W instead of 125W, a 45W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than FX-8120 across 50 shared CPU benchmark tests.
❌Lower PassMark (6,544 vs 6,594).
❌
3.9% HIGHER MSRP
$213 MSRPvs$205 MSRP

Quick Answers

So, is FX-8120 better than Xeon E7340?

Not really, because they are built for different jobs. Xeon E7340 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?

If gaming is the priority, FX-8120 is the better pick. According to our tests, it delivers 8.1% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, FX-8120 is the stronger fit. You are getting 0.8% better PassMark, backed by 8 cores and 8 threads.

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

FX-8120 is the better buy right now. FX-8120 comes in $8 cheaper on MSRP at $205 MSRP versus $213 MSRP, and it still gives you a 8.1% average FPS lead across 50 shared CPU game tests in our data. It is also 4.7% better value on MSRP (32.2 vs 30.7 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

FX-8120 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2011 vs 2007). That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

FX-8120 vs Xeon E7340 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 E7340

The Xeon E7340 is manufactured by Intel. It was released in 2015-01-01. Base frequency: 2.4 GHz. L3 cache: 8 MB L2 Cache. Built on 65 nm process technology. Socket: PGA604. Thermal design power (TDP): 80 Watt. Passmark benchmark score: 6,544 points. Launch price was $800.

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Processing Power

The FX-8120 is built on the Zambezi (2011−2012) architecture. In PassMark, the FX-8120 scores 6,594 against the Xeon E7340's 6,544 — a 0.8% lead for the FX-8120. L3 cache: 8192 kB on the FX-8120 vs 8 MB L2 Cache on the Xeon E7340.

Feature	FX-8120	Xeon E7340
Cores / Threads	8 / 8	—
Boost Clock	4 GHz	—
Base Clock	3.1 GHz+29%	2.4 GHz
L3 Cache	8192 kB	8 MB L2 Cache
L2 Cache	8192 kB	—
Process	32 nm-51%	65 nm
Architecture	Zambezi (2011−2012)	—
PassMark	6,594	6,544

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Memory & Platform

The FX-8120 uses the AM3+ socket (PCIe 2.0), while the Xeon E7340 uses PGA604 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	FX-8120	Xeon E7340
Socket	AM3+	PGA604
PCIe Generation	PCIe 2.0	PCIe 2.0

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Value Analysis

At launch, the FX-8120 was priced at $205, while the Xeon E7340 came in at $213. On launch pricing ($205 vs $213), FX-8120 was $8 cheaper. In terms of value on MSRP (PassMark points per dollar), the FX-8120 delivers 32.2 pts/$ vs 30.7 pts/$ for the Xeon E7340 — making the FX-8120 the 4.6% better value option.

Feature	FX-8120	Xeon E7340
MSRP	$205-4%	$213
Performance per Dollar	32.2+5%	30.7
Release Date	2011	2007

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