Opteron 6344 vs Xeon E5-2440

Opteron 6344 vs Xeon E5-2440 Performance Spectrum

Opteron 6344

12 / 12

6,069

0.0%

Ryzen Threadripper PRO 3975WX

Ryzen Threadripper PRO 7965WX

Xeon E5-2440

6 / 12

6,091

+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.

Opteron 6344 vs Xeon E5-2440 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.

Opteron 6344 vs Xeon E5-2440: Pros, Cons & Final Verdict

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

Opteron 6344

2012

Why buy it

✅Better for gaming: +6.7% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $313 less on MSRP ($415 MSRP vs $728 MSRP).
✅Delivers 74.8% more PassMark for each dollar spent, at 14.6 vs 8.4 PassMark/$ ($415 MSRP vs $728 MSRP).

Trade-offs

❌Lower PassMark (6,069 vs 6,091).
❌Smaller total L3 cache (8 MB vs 15 MB).
❌21.1% higher power demand at 115W vs 95W.

Xeon E5-2440

2012

Why buy it

✅+0.4% higher PassMark.
✅+87.5% larger total L3 cache (15 MB vs 8 MB).
✅Draws 95W instead of 115W, a 20W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Opteron 6344 across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 8.4 vs 14.6 PassMark/$ ($728 MSRP vs $415 MSRP).

Quick Answers

So, is Xeon E5-2440 better than Opteron 6344?

It depends on what you want from the system. For gaming, Opteron 6344 is ahead with a 6.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon E5-2440 pulls ahead with 0.4% better PassMark. Xeon E5-2440 also has the bigger cache pool with 87.5% larger total L3 cache (15 MB vs 8 MB).

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

For streaming, content creation, and heavier multitasking, Xeon E5-2440 is the stronger fit. You are getting 0.4% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 87.5% larger total L3 cache (15 MB vs 8 MB).

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

Xeon E5-2440 is still the faster CPU overall, but Opteron 6344 is easier to justify if budget matters more than peak performance. Xeon E5-2440 comes in 75.4% more expensive on MSRP at $728 MSRP versus $415 MSRP, and it still gives you 0.4% better PassMark. The compromise is that Opteron 6344 is still the better pure gaming CPU with a 6.7% average FPS lead across 50 shared CPU game tests in our data. Opteron 6344 is also 74.8% better value on MSRP (14.6 vs 8.4 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Xeon E5-2440 is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

Opteron 6344 vs Xeon E5-2440 Technical Specifications

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

Opteron 6344

The Opteron 6344 is manufactured by AMD. It was released in 5 November 2012 (13 years ago). It is based on the Abu Dhabi (2012) architecture. It features 12 cores and 12 threads. Base frequency is 2.6 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 2 MB (per module). Built on 32 nm process technology. Socket: G34. Thermal design power (TDP): 115 Watt. Memory support: DDR3. Passmark benchmark score: 6,069 points. Launch price was $415.

Xeon E5-2440

The Xeon E5-2440 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Sandy Bridge-EN (2012) architecture. It features 6 cores and 12 threads. Base frequency is 2.4 GHz, with boost up to 2.9 GHz. L3 cache: 15360 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1356. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 6,091 points. Launch price was $295.

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Processing Power

The Opteron 6344 packs 12 cores / 12 threads, while the Xeon E5-2440 offers 6 cores / 12 threads — the Opteron 6344 has 6 more cores. Boost clocks reach 3.2 GHz on the Opteron 6344 versus 2.9 GHz on the Xeon E5-2440 — a 9.8% clock advantage for the Opteron 6344 (base: 2.6 GHz vs 2.4 GHz). The Opteron 6344 uses the Abu Dhabi (2012) architecture (32 nm), while the Xeon E5-2440 uses Sandy Bridge-EN (2012) (32 nm). In PassMark, the Opteron 6344 scores 6,069 against the Xeon E5-2440's 6,091 — a 0.4% lead for the Xeon E5-2440. L3 cache: 8 MB (total) on the Opteron 6344 vs 15360 kB (total) on the Xeon E5-2440.

Feature	Opteron 6344	Xeon E5-2440
Cores / Threads	12 / 12+100%	6 / 12
Boost Clock	3.2 GHz+10%	2.9 GHz
Base Clock	2.6 GHz+8%	2.4 GHz
L3 Cache	8 MB (total)	15360 kB (total)+88%
L2 Cache	2 MB (per module)+700%	256 kB (per core)
Process	32 nm	32 nm
Architecture	Abu Dhabi (2012)	Sandy Bridge-EN (2012)
PassMark	6,069	6,091

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Memory & Platform

The Opteron 6344 uses the G34 socket (PCIe 2.0), while the Xeon E5-2440 uses LGA1356 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Opteron 6344	Xeon E5-2440
Socket	G34	LGA1356
PCIe Generation	PCIe 2.0	PCIe 2.0

💰

Value Analysis

At launch, the Opteron 6344 was priced at $415, while the Xeon E5-2440 came in at $728. On launch pricing ($415 vs $728), Opteron 6344 was $313 cheaper. In terms of value on MSRP (PassMark points per dollar), the Opteron 6344 delivers 14.6 pts/$ vs 8.4 pts/$ for the Xeon E5-2440 — making the Opteron 6344 the 54.4% better value option.

Feature	Opteron 6344	Xeon E5-2440
MSRP	$415-43%	$728
Performance per Dollar	14.6+74%	8.4
Release Date	2012	2012

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