Core i3-4340 vs Xeon E5-1603

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.

Core i3-4340 vs Xeon E5-1603 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.

Core i3-4340 vs Xeon E5-1603: Pros, Cons & Final Verdict

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

Core i3-4340

2013

Why buy it

✅Draws 54W instead of 130W, a 76W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics 4600, while Xeon E5-1603 needs a discrete GPU.
✅Includes a boxed cooler (Yes), unlike Xeon E5-1603.

Trade-offs

❌Smaller total L3 cache (4 MB vs 10 MB).
❌Less compelling for workstation-style loads than Xeon E5-1603, which brings 4 cores / 4 threads.
❌Launch MSRP is still $149 MSRP, while Xeon E5-1603 mostly shows up through inconsistent older-market listings.

Xeon E5-1603

2012

Why buy it

✅+150% larger total L3 cache (10 MB vs 4 MB).
✅Better for workstations and heavier parallel workloads: 4 cores / 4 threads.

Trade-offs

❌Lower PassMark (3,482 vs 3,490).
❌140.7% higher power demand at 130W vs 54W.
❌No integrated graphics, while Core i3-4340 can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Core i3-4340.

Quick Answers

So, is Core i3-4340 better than Xeon E5-1603?

Not really, because they are built for different jobs. Xeon E5-1603 makes more sense for workstation-style multi-core throughput, while Core i3-4340 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Core i3-4340 is the better pick. According to our tests, it delivers 2.4% 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, Core i3-4340 is the stronger fit. You are getting 0.2% better PassMark, backed by 2 cores and 4 threads.

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

Core i3-4340 is the better buy right now. Core i3-4340 comes in at an unclear MSRP at $149 MSRP versus unclear MSRP, and it still gives you a 2.4% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (23.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i3-4340 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2012) and more multi-core headroom with 2 cores / 4 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i3-4340 vs Xeon E5-1603 Technical Specifications

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

Core i3-4340

The Core i3-4340 is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 3.6 GHz, with boost up to 3.6 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 54 Watt. Memory support: DDR3. Passmark benchmark score: 3,490 points. Launch price was $210.

Xeon E5-1603

The Xeon E5-1603 is manufactured by Intel. It was released in 2015-01-01. It features 4 cores and 4 threads. Base frequency: 2.8 GHz. L3 cache: 10 MB. Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3-800, DDR3-1066. Passmark benchmark score: 3,482 points. Launch price was $800.

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Processing Power

The Core i3-4340 packs 2 cores / 4 threads, while the Xeon E5-1603 offers 4 cores / 4 threads — the Xeon E5-1603 has 2 more cores. The Core i3-4340 is built on the Haswell (2013−2015) architecture. In PassMark, the Core i3-4340 scores 3,490 against the Xeon E5-1603's 3,482 — a 0.2% lead for the Core i3-4340. L3 cache: 4 MB (total) on the Core i3-4340 vs 10 MB on the Xeon E5-1603.

Feature	Core i3-4340	Xeon E5-1603
Cores / Threads	2 / 4	4 / 4+100%
Boost Clock	3.6 GHz	—
Base Clock	3.6 GHz+29%	2.8 GHz
L3 Cache	4 MB (total)	10 MB+150%
L2 Cache	256 kB (per core)	—
Process	22 nm-31%	32 nm
Architecture	Haswell (2013−2015)	—
PassMark	3,490	3,482
Geekbench 6 Single	1,024	—

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Memory & Platform

The Core i3-4340 uses the LGA1150 socket (PCIe 3.0), while the Xeon E5-1603 uses LGA2011 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Core i3-4340	Xeon E5-1603
Socket	LGA1150	LGA2011
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR3-1600	—
Max RAM Capacity	32 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, EPT (Core i3-4340) / not specified (Xeon E5-1603). The Core i3-4340 includes integrated graphics (HD Graphics 4600), while the Xeon E5-1603 requires a dedicated GPU. Primary use case: Core i3-4340 targets Mainstream Desktop. Direct competitor: Core i3-4340 rivals FX-6350.