Core i7-3520M vs Xeon X3450

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 i7-3520M vs Xeon X3450 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 i7-3520M vs Xeon X3450: Pros, Cons & Final Verdict

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

Core i7-3520M

2012

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel HD Graphics 4000, while Xeon X3450 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon X3450 across 50 shared CPU benchmark tests.
❌Lower PassMark (2,842 vs 2,877).
❌Smaller total L3 cache (4 MB vs 8 MB).
❌Less compelling for workstation-style loads than Xeon X3450, which brings 4 cores / 8 threads.
❌Lower PassMark per dollar, at 8.2 vs 11.9 PassMark/$ ($346 MSRP vs $241 MSRP).

Xeon X3450

2009

Why buy it

✅Better for gaming: +6.6% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (8 MB vs 4 MB).
✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads.
✅Costs $105 less on MSRP ($241 MSRP vs $346 MSRP).
✅Delivers 45.3% more PassMark for each dollar spent, at 11.9 vs 8.2 PassMark/$ ($241 MSRP vs $346 MSRP).

Trade-offs

❌No integrated graphics, while Core i7-3520M can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Xeon X3450 better than Core i7-3520M?

Not really, because they are built for different jobs. Xeon X3450 makes more sense for workstation-style multi-core throughput, while Core i7-3520M is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon X3450 is the better pick. According to our tests, it delivers 6.6% 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, Xeon X3450 is the stronger fit. You are getting 1.2% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 100% larger total L3 cache (8 MB vs 4 MB).

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

Xeon X3450 is the better buy right now. Xeon X3450 comes in $105 cheaper on MSRP at $241 MSRP versus $346 MSRP, and it still gives you a 6.6% average FPS lead across 50 shared CPU game tests in our data. It is also 45.3% better value on MSRP (11.9 vs 8.2 PassMark/$), 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 i7-3520M makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2009). That makes it the safer long-term bet.

Core i7-3520M vs Xeon X3450 Technical Specifications

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

Core i7-3520M

The Core i7-3520M is manufactured by Intel. It was released in 3 June 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 2.9 GHz, with boost up to 3.6 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 2,842 points. Launch price was $346.

Xeon X3450

The Xeon X3450 is manufactured by Intel. It was released in 8 September 2009 (16 years ago). It is based on the Lynnfield (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.66 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1156. Thermal design power (TDP): 95 Watt. Memory support: DDR3-800, DDR3-1066, DDR3-1333. Passmark benchmark score: 2,877 points. Launch price was $241.

⚡

Processing Power

The Core i7-3520M packs 2 cores / 4 threads, while the Xeon X3450 offers 4 cores / 8 threads — the Xeon X3450 has 2 more cores. Boost clocks reach 3.6 GHz on the Core i7-3520M versus 3.2 GHz on the Xeon X3450 — a 11.8% clock advantage for the Core i7-3520M (base: 2.9 GHz vs 2.66 GHz). The Core i7-3520M uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Xeon X3450 uses Lynnfield (2009−2010) (45 nm). In PassMark, the Core i7-3520M scores 2,842 against the Xeon X3450's 2,877 — a 1.2% lead for the Xeon X3450. L3 cache: 4 MB (total) on the Core i7-3520M vs 8 MB (total) on the Xeon X3450.

Feature	Core i7-3520M	Xeon X3450
Cores / Threads	2 / 4	4 / 8+100%
Boost Clock	3.6 GHz+12%	3.2 GHz
Base Clock	2.9 GHz+9%	2.66 GHz
L3 Cache	4 MB (total)	8 MB (total)+100%
L2 Cache	256K (per core)	256 kB (per core)
Process	22 nm-51%	45 nm
Architecture	Ivy Bridge (2012−2013)	Lynnfield (2009−2010)
PassMark	2,842	2,877+1%

🧠

Memory & Platform

The Core i7-3520M uses the PGA988 socket (PCIe 3.0), while the Xeon X3450 uses LGA1156 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Core i7-3520M	Xeon X3450
Socket	PGA988	LGA1156
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	1600	—
Max RAM Capacity	32	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

🔧

Advanced Features

Virtualization: true (Core i7-3520M) / not specified (Xeon X3450). The Core i7-3520M includes integrated graphics (Intel HD Graphics 4000), while the Xeon X3450 requires a dedicated GPU. Direct competitor: Core i7-3520M rivals AMD A10-5750M.

Feature	Core i7-3520M	Xeon X3450
Integrated GPU	Yes	—
IGPU Model	Intel HD Graphics 4000	—
Unlocked	No	—
AVX-512	No	—
Virtualization	true	—

💰

Value Analysis

At launch, the Core i7-3520M was priced at $346, while the Xeon X3450 came in at $241. On launch pricing ($346 vs $241), Xeon X3450 was $105 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-3520M delivers 8.2 pts/$ vs 11.9 pts/$ for the Xeon X3450 — making the Xeon X3450 the 37% better value option.

Feature	Core i7-3520M	Xeon X3450
MSRP	$346	$241-30%
Performance per Dollar	8.2	11.9+45%
Release Date	2012	2009

Search Core i7-3520M on Amazon

Search Xeon X3450 on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.